// Copyright 2015 the V8 project authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include #include "src/init/v8.h" #include "src/interpreter/bytecode-array-iterator.h" #include "src/interpreter/bytecode-generator.h" #include "src/interpreter/interpreter.h" #include "src/objects/objects-inl.h" #include "test/cctest/cctest.h" #include "test/cctest/interpreter/bytecode-expectations-printer.h" #include "test/cctest/test-feedback-vector.h" namespace v8 { namespace internal { namespace interpreter { #define XSTR(A) #A #define STR(A) XSTR(A) #define UNIQUE_VAR() "var a" STR(__COUNTER__) " = 0;\n" #define LOAD_UNIQUE_PROPERTY() " b.name" STR(__COUNTER__) ";\n" #define REPEAT_2(...) __VA_ARGS__ __VA_ARGS__ #define REPEAT_4(...) REPEAT_2(__VA_ARGS__) REPEAT_2(__VA_ARGS__) #define REPEAT_8(...) REPEAT_4(__VA_ARGS__) REPEAT_4(__VA_ARGS__) #define REPEAT_16(...) REPEAT_8(__VA_ARGS__) REPEAT_8(__VA_ARGS__) #define REPEAT_32(...) REPEAT_16(__VA_ARGS__) REPEAT_16(__VA_ARGS__) #define REPEAT_64(...) REPEAT_32(__VA_ARGS__) REPEAT_32(__VA_ARGS__) #define REPEAT_128(...) REPEAT_64(__VA_ARGS__) REPEAT_64(__VA_ARGS__) #define REPEAT_256(...) REPEAT_128(__VA_ARGS__) REPEAT_128(__VA_ARGS__) #define REPEAT_127(...) \ REPEAT_64(__VA_ARGS__) \ REPEAT_32(__VA_ARGS__) \ REPEAT_16(__VA_ARGS__) \ REPEAT_8(__VA_ARGS__) \ REPEAT_4(__VA_ARGS__) \ REPEAT_2(__VA_ARGS__) \ __VA_ARGS__ #define REPEAT_249(...) \ REPEAT_127(__VA_ARGS__) \ REPEAT_64(__VA_ARGS__) \ REPEAT_32(__VA_ARGS__) \ REPEAT_16(__VA_ARGS__) \ REPEAT_8(__VA_ARGS__) \ REPEAT_2(__VA_ARGS__) #define REPEAT_2_UNIQUE_VARS() UNIQUE_VAR() UNIQUE_VAR() #define REPEAT_4_UNIQUE_VARS() REPEAT_2_UNIQUE_VARS() REPEAT_2_UNIQUE_VARS() #define REPEAT_8_UNIQUE_VARS() REPEAT_4_UNIQUE_VARS() REPEAT_4_UNIQUE_VARS() #define REPEAT_16_UNIQUE_VARS() REPEAT_8_UNIQUE_VARS() REPEAT_8_UNIQUE_VARS() #define REPEAT_32_UNIQUE_VARS() REPEAT_16_UNIQUE_VARS() REPEAT_16_UNIQUE_VARS() #define REPEAT_64_UNIQUE_VARS() REPEAT_32_UNIQUE_VARS() REPEAT_32_UNIQUE_VARS() #define REPEAT_128_UNIQUE_VARS() REPEAT_64_UNIQUE_VARS() REPEAT_64_UNIQUE_VARS() #define REPEAT_250_UNIQUE_VARS() \ REPEAT_128_UNIQUE_VARS() \ REPEAT_64_UNIQUE_VARS() \ REPEAT_32_UNIQUE_VARS() \ REPEAT_16_UNIQUE_VARS() \ REPEAT_8_UNIQUE_VARS() \ UNIQUE_VAR() \ UNIQUE_VAR() #define REPEAT_2_LOAD_UNIQUE_PROPERTY() \ LOAD_UNIQUE_PROPERTY() LOAD_UNIQUE_PROPERTY() #define REPEAT_4_LOAD_UNIQUE_PROPERTY() \ REPEAT_2_LOAD_UNIQUE_PROPERTY() REPEAT_2_LOAD_UNIQUE_PROPERTY() #define REPEAT_8_LOAD_UNIQUE_PROPERTY() \ REPEAT_4_LOAD_UNIQUE_PROPERTY() REPEAT_4_LOAD_UNIQUE_PROPERTY() #define REPEAT_16_LOAD_UNIQUE_PROPERTY() \ REPEAT_8_LOAD_UNIQUE_PROPERTY() REPEAT_8_LOAD_UNIQUE_PROPERTY() #define REPEAT_32_LOAD_UNIQUE_PROPERTY() \ REPEAT_16_LOAD_UNIQUE_PROPERTY() REPEAT_16_LOAD_UNIQUE_PROPERTY() #define REPEAT_64_LOAD_UNIQUE_PROPERTY() \ REPEAT_32_LOAD_UNIQUE_PROPERTY() REPEAT_32_LOAD_UNIQUE_PROPERTY() #define REPEAT_128_LOAD_UNIQUE_PROPERTY() \ REPEAT_64_LOAD_UNIQUE_PROPERTY() REPEAT_64_LOAD_UNIQUE_PROPERTY() static const char* kGoldenFileDirectory = "test/cctest/interpreter/bytecode_expectations/"; class InitializedIgnitionHandleScope : public InitializedHandleScope { public: InitializedIgnitionHandleScope() { i::FLAG_always_opt = false; i::FLAG_allow_natives_syntax = true; i::FLAG_enable_lazy_source_positions = false; } }; void SkipGoldenFileHeader(std::istream& stream) { // NOLINT std::string line; int separators_seen = 0; while (std::getline(stream, line)) { if (line == "---") separators_seen += 1; if (separators_seen == 2) return; } } std::string LoadGolden(const std::string& golden_filename) { std::ifstream expected_file((kGoldenFileDirectory + golden_filename).c_str()); CHECK(expected_file.is_open()); SkipGoldenFileHeader(expected_file); std::ostringstream expected_stream; // Restore the first separator, which was consumed by SkipGoldenFileHeader expected_stream << "---\n" << expected_file.rdbuf(); return expected_stream.str(); } template std::string BuildActual(const BytecodeExpectationsPrinter& printer, const char* (&snippet_list)[N], const char* prologue = nullptr, const char* epilogue = nullptr) { std::ostringstream actual_stream; for (const char* snippet : snippet_list) { std::string source_code; if (prologue) source_code += prologue; source_code += snippet; if (epilogue) source_code += epilogue; printer.PrintExpectation(actual_stream, source_code); } return actual_stream.str(); } // inplace left trim static inline void ltrim(std::string& str) { // NOLINT(runtime/references) str.erase(str.begin(), std::find_if(str.begin(), str.end(), [](unsigned char ch) { return !std::isspace(ch); })); } // inplace right trim static inline void rtrim(std::string& str) { // NOLINT(runtime/references) str.erase(std::find_if(str.rbegin(), str.rend(), [](unsigned char ch) { return !std::isspace(ch); }) .base(), str.end()); } static inline std::string trim( std::string& str) { // NOLINT(runtime/references) ltrim(str); rtrim(str); return str; } bool CompareTexts(const std::string& generated, const std::string& expected) { std::istringstream generated_stream(generated); std::istringstream expected_stream(expected); std::string generated_line; std::string expected_line; // Line number does not include golden file header. int line_number = 0; bool strings_match = true; do { std::getline(generated_stream, generated_line); std::getline(expected_stream, expected_line); if (!generated_stream.good() && !expected_stream.good()) { return strings_match; } if (!generated_stream.good()) { std::cerr << "Expected has extra lines after line " << line_number << "\n"; std::cerr << " Expected: '" << expected_line << "'\n"; return false; } else if (!expected_stream.good()) { std::cerr << "Generated has extra lines after line " << line_number << "\n"; std::cerr << " Generated: '" << generated_line << "'\n"; return false; } if (trim(generated_line) != trim(expected_line)) { std::cerr << "Inputs differ at line " << line_number << "\n"; std::cerr << " Generated: '" << generated_line << "'\n"; std::cerr << " Expected: '" << expected_line << "'\n"; strings_match = false; } line_number++; } while (true); } TEST(PrimitiveReturnStatements) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "", "return;\n", "return null;\n", "return true;\n", "return false;\n", "return 0;\n", "return +1;\n", "return -1;\n", "return +127;\n", "return -128;\n", "return 2.0;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("PrimitiveReturnStatements.golden"))); } TEST(PrimitiveExpressions) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var x = 0; return x;\n", "var x = 0; return x + 3;\n", "var x = 0; return 3 + x;\n", "var x = 0; return x - 3;\n", "var x = 0; return 3 - x;\n", "var x = 4; return x * 3;\n", "var x = 4; return 3 * x;\n", "var x = 4; return x / 3;\n", "var x = 4; return 3 / x;\n", "var x = 4; return x % 3;\n", "var x = 4; return 3 % x;\n", "var x = 1; return x | 2;\n", "var x = 1; return 2 | x;\n", "var x = 1; return x ^ 2;\n", "var x = 1; return 2 ^ x;\n", "var x = 1; return x & 2;\n", "var x = 1; return 2 & x;\n", "var x = 10; return x << 3;\n", "var x = 10; return 3 << x;\n", "var x = 10; return x >> 3;\n", "var x = 10; return 3 >> x;\n", "var x = 10; return x >>> 3;\n", "var x = 10; return 3 >>> x;\n", "var x = 0; return (x, 3);\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("PrimitiveExpressions.golden"))); } TEST(LogicalExpressions) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var x = 0; return x || 3;\n", "var x = 0; return (x == 1) || 3;\n", "var x = 0; return x && 3;\n", "var x = 0; return (x == 0) && 3;\n", "var x = 0; return x || (1, 2, 3);\n", "var a = 2, b = 3, c = 4; return a || (a, b, a, b, c = 5, 3);\n", "var x = 1; var a = 2, b = 3; return x || (" // REPEAT_32("\n a = 1, b = 2, ") // "3);\n", "var x = 0; var a = 2, b = 3; return x && (" // REPEAT_32("\n a = 1, b = 2, ") // "3);\n", "var x = 1; var a = 2, b = 3; return (x > 3) || (" // REPEAT_32("\n a = 1, b = 2, ") // "3);\n", "var x = 0; var a = 2, b = 3; return (x < 5) && (" // REPEAT_32("\n a = 1, b = 2, ") // "3);\n", "return 0 && 3;\n", "return 1 || 3;\n", "var x = 1; return x && 3 || 0, 1;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("LogicalExpressions.golden"))); } TEST(Parameters) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "function f() { return this; }", "function f(arg1) { return arg1; }", "function f(arg1) { return this; }", "function f(arg1, arg2, arg3, arg4, arg5, arg6, arg7) { return arg4; }", "function f(arg1, arg2, arg3, arg4, arg5, arg6, arg7) { return this; }", "function f(arg1) { arg1 = 1; }", "function f(arg1, arg2, arg3, arg4) { arg2 = 1; }", }; CHECK(CompareTexts(BuildActual(printer, snippets, "", "\nf();"), LoadGolden("Parameters.golden"))); } TEST(IntegerConstants) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "return 12345678;\n", "var a = 1234; return 5678;\n", "var a = 1234; return 1234;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("IntegerConstants.golden"))); } TEST(HeapNumberConstants) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "return 1.2;\n", "var a = 1.2; return 2.6;\n", "var a = 3.14; return 3.14;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("HeapNumberConstants.golden"))); } TEST(StringConstants) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "return \"This is a string\";\n", "var a = \"First string\"; return \"Second string\";\n", "var a = \"Same string\"; return \"Same string\";\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("StringConstants.golden"))); } TEST(PropertyLoads) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "function f(a) { return a.name; }\n" "f({name : \"test\"});\n", "function f(a) { return a[\"key\"]; }\n" "f({key : \"test\"});\n", "function f(a) { return a[100]; }\n" "f({100 : \"test\"});\n", "function f(a, b) { return a[b]; }\n" "f({arg : \"test\"}, \"arg\");\n", "function f(a) { var b = a.name; return a[-124]; }\n" "f({\"-124\" : \"test\", name : 123 })", "function f(a) {\n" " var b = {};\n" REPEAT_128_LOAD_UNIQUE_PROPERTY() " return a.name;\n" "}\n" "f({name : \"test\"})\n", "function f(a, b) {\n" " var c;\n" " c = a[b];\n" REPEAT_127(" c = a[b];\n") " return a[b];\n" "}\n" "f({name : \"test\"}, \"name\")\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("PropertyLoads.golden"))); } TEST(PropertyLoadStoreOneShot) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_top_level(true); printer.set_oneshot_opt(true); const char* snippets[] = { R"( l = { 'a': 1, 'b': 2 }; v = l['a'] + l['b']; l['b'] = 7; l['a'] = l['b']; )", R"( l = { 'a': 1.1, 'b': 2.2 }; for (i = 0; i < 5; ++i) { l['a'] = l['a'] + l['b']; l['b'] = l['a'] + l['b']; } )", R"( l = { 'a': 1.1, 'b': 2.2 }; while (s > 0) { l['a'] = l['a'] - l['b']; l['b'] = l['b'] - l['a']; } )", R"( l = { 'a': 1.1, 'b': 2.2 }; s = 10; do { l['a'] = l['b'] - l['a']; } while (s < 10); )", R"( l = { 'c': 1.1, 'd': 2.2 }; if (l['c'] < 3) { l['c'] = 3; } else { l['d'] = 3; } )", R"( a = [1.1, [2.2, 4.5]]; )", R"( b = []; )", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("PropertyLoadStoreOneShot.golden"))); } TEST(PropertyLoadStoreWithoutOneShot) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_top_level(true); const char* snippets[] = { R"( l = { 'aa': 1.1, 'bb': 2.2 }; v = l['aa'] + l['bb']; l['bb'] = 7; l['aa'] = l['bb']; )", R"( l = { 'cc': 3.1, 'dd': 4.2 }; if (l['cc'] < 3) { l['cc'] = 3; } else { l['dd'] = 3; } )", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("PropertyLoadStoreWithoutOneShot.golden"))); } TEST(IIFEWithOneshotOpt) { InitializedIgnitionHandleScope scope; v8::Isolate* isolate = CcTest::isolate(); BytecodeExpectationsPrinter printer(isolate); printer.set_wrap(false); printer.set_top_level(true); printer.set_print_callee(true); printer.set_oneshot_opt(true); const char* snippets[] = { // No feedback vectors for top-level loads/store named property in an IIFE R"( (function() { l = {}; l.aa = 2; l.bb = l.aa; return arguments.callee; })(); )", // Normal load/store within loops of an IIFE R"( (function() { l = {}; for (i = 0; i < 5; ++i) { l.aa = 2; l.bb = l.aa; } return arguments.callee; })(); )", R"( (function() { l = {}; c = 4; while(c > 4) { l.aa = 2; l.bb = l.aa; c--; } return arguments.callee; })(); )", R"( (function() { l = {}; c = 4; do { l.aa = 2; l.bb = l.aa; c--; } while(c > 4) return arguments.callee; })(); )", // No feedback vectors for loads/stores in conditionals R"( (function() { l = { 'aa': 3.3, 'bb': 4.4 }; if (l.aa < 3) { l.aa = 3; } else { l.aa = l.bb; } return arguments.callee; })(); )", R"( (function() { a = [0, [1, 1,2,], 3]; return arguments.callee; })(); )", R"( (function() { a = []; return arguments.callee; })(); )", // CallNoFeedback instead of CallProperty R"( this.f0 = function() {}; this.f1 = function(a) {}; this.f2 = function(a, b) {}; this.f3 = function(a, b, c) {}; this.f4 = function(a, b, c, d) {}; this.f5 = function(a, b, c, d, e) {}; (function() { this.f0(); this.f1(1); this.f2(1, 2); this.f3(1, 2, 3); this.f4(1, 2, 3, 4); this.f5(1, 2, 3, 4, 5); return arguments.callee; })(); )", // CallNoFeedback instead of CallUndefinedReceiver R"( function f0() {} function f1(a) {} function f2(a, b) {} function f3(a, b, c) {} function f4(a, b, c, d) {} function f5(a, b, c, d, e) {} (function() { f0(); f1(1); f2(1, 2); f3(1, 2, 3); f4(1, 2, 3, 4); f5(1, 2, 3, 4, 5); return arguments.callee; })(); )", // TODO(rmcilroy): Make this function produce one-shot code. R"( var t = 0; function f2() {}; if (t == 0) { (function(){ l = {}; l.a = 3; l.b = 4; f2(); return arguments.callee; })(); } )", // No one-shot opt for IIFE`s within a function R"( function f2() {}; function f() { return (function(){ l = {}; l.a = 3; l.b = 4; f2(); return arguments.callee; })(); } f(); )", R"( var f = function(l) { l.a = 3; return l; }; f({}); f; )", // No one-shot opt for top-level functions enclosed in parentheses R"( var f = (function(l) { l.a = 3; return l; }); f; )", R"( var f = (function foo(l) { l.a = 3; return l; }); f; )", R"( var f = function foo(l) { l.a = 3; return l; }; f({}); f; )", R"( l = {}; var f = (function foo(l) { l.a = 3; return arguments.callee; })(l); f; )", R"( var f = (function foo(l) { l.a = 3; return arguments.callee; })({}); f; )", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("IIFEWithOneshotOpt.golden"))); } TEST(IIFEWithoutOneshotOpt) { InitializedIgnitionHandleScope scope; v8::Isolate* isolate = CcTest::isolate(); BytecodeExpectationsPrinter printer(isolate); printer.set_wrap(false); printer.set_top_level(true); printer.set_print_callee(true); const char* snippets[] = { R"( (function() { l = {}; l.a = 2; l.b = l.a; return arguments.callee; })(); )", R"( (function() { l = { 'a': 4.3, 'b': 3.4 }; if (l.a < 3) { l.a = 3; } else { l.a = l.b; } return arguments.callee; })(); )", R"( this.f0 = function() {}; this.f1 = function(a) {}; this.f2 = function(a, b) {}; this.f3 = function(a, b, c) {}; this.f4 = function(a, b, c, d) {}; this.f5 = function(a, b, c, d, e) {}; (function() { this.f0(); this.f1(1); this.f2(1, 2); this.f3(1, 2, 3); this.f4(1, 2, 3, 4); this.f5(1, 2, 3, 4, 5); return arguments.callee; })(); )", R"( function f0() {} function f1(a) {} function f2(a, b) {} function f3(a, b, c) {} function f4(a, b, c, d) {} function f5(a, b, c, d, e) {} (function() { f0(); f1(1); f2(1, 2); f3(1, 2, 3); f4(1, 2, 3, 4); f5(1, 2, 3, 4, 5); return arguments.callee; })(); )", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("IIFEWithoutOneshotOpt.golden"))); } TEST(PropertyStores) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "function f(a) { a.name = \"val\"; }\n" "f({name : \"test\"})", "function f(a) { a[\"key\"] = \"val\"; }\n" "f({key : \"test\"})", "function f(a) { a[100] = \"val\"; }\n" "f({100 : \"test\"})", "function f(a, b) { a[b] = \"val\"; }\n" "f({arg : \"test\"}, \"arg\")", "function f(a) { a.name = a[-124]; }\n" "f({\"-124\" : \"test\", name : 123 })", "function f(a) { \"use strict\"; a.name = \"val\"; }\n" "f({name : \"test\"})", "function f(a, b) { \"use strict\"; a[b] = \"val\"; }\n" "f({arg : \"test\"}, \"arg\")", "function f(a) {\n" " a.name = 1;\n" " var b = {};\n" REPEAT_128_LOAD_UNIQUE_PROPERTY() " a.name = 2;\n" "}\n" "f({name : \"test\"})\n", "function f(a) {\n" " 'use strict';\n" " a.name = 1;\n" " var b = {};\n" REPEAT_128_LOAD_UNIQUE_PROPERTY() " a.name = 2;\n" "}\n" "f({name : \"test\"})\n", "function f(a, b) {\n" " a[b] = 1;\n" REPEAT_127(" a[b] = 1;\n") " a[b] = 2;\n" "}\n" "f({name : \"test\"})\n", "function f(a, b) {\n" " 'use strict';\n" " a[b] = 1;\n" REPEAT_127(" a[b] = 1;\n") " a[b] = 2;\n" "}\n" "f({name : \"test\"})\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("PropertyStores.golden"))); } #define FUNC_ARG "new (function Obj() { this.func = function() { return; }})()" TEST(PropertyCall) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "function f(a) { return a.func(); }\n" "f(" FUNC_ARG ")", "function f(a, b, c) { return a.func(b, c); }\n" "f(" FUNC_ARG ", 1, 2)", "function f(a, b) { return a.func(b + b, b); }\n" "f(" FUNC_ARG ", 1)", "function f(a) {\n" " var b = {};\n" REPEAT_128_LOAD_UNIQUE_PROPERTY() " a.func;\n" // " return a.func(); }\n" "f(" FUNC_ARG ")", "function f(a) { return a.func(1).func(2).func(3); }\n" "f(new (function Obj() { this.func = function(a) { return this; }})())", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("PropertyCall.golden"))); } TEST(LoadGlobal) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "var a = 1;\n" "function f() { return a; }\n" "f()", "function t() { }\n" "function f() { return t; }\n" "f()", "a = 1;\n" "function f() { return a; }\n" "f()", "a = 1;\n" "function f(c) {\n" " var b = {};\n" REPEAT_128_LOAD_UNIQUE_PROPERTY() " return a;\n" "}\n" "f({name: 1});\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("LoadGlobal.golden"))); } TEST(StoreGlobal) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "var a = 1;\n" "function f() { a = 2; }\n" "f();\n", "var a = \"test\"; function f(b) { a = b; }\n" "f(\"global\");\n", "'use strict'; var a = 1;\n" "function f() { a = 2; }\n" "f();\n", "a = 1;\n" "function f() { a = 2; }\n" "f();\n", "a = 1;\n" "function f(c) {\n" " var b = {};\n" REPEAT_128_LOAD_UNIQUE_PROPERTY() " a = 2;\n" "}\n" "f({name: 1});\n", "a = 1;\n" "function f(c) {\n" " 'use strict';\n" " var b = {};\n" REPEAT_128_LOAD_UNIQUE_PROPERTY() " a = 2;\n" "}\n" "f({name: 1});\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("StoreGlobal.golden"))); } TEST(CallGlobal) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "function t() { }\n" "function f() { return t(); }\n" "f();\n", "function t(a, b, c) { }\n" "function f() { return t(1, 2, 3); }\n" "f();\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("CallGlobal.golden"))); } TEST(CallRuntime) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "function f() { %TheHole() }\n" "f();\n", "function f(a) { return %IsArray(a) }\n" "f(undefined);\n", "function f() { return %Add(1, 2) }\n" "f();\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("CallRuntime.golden"))); } TEST(IfConditions) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "function f() {\n" " if (0) {\n" " return 1;\n" " } else {\n" " return -1;\n" " }\n" "};\n" "f();\n", "function f() {\n" " if ('lucky') {\n" " return 1;\n" " } else {\n" " return -1;\n" " }\n" "};\n" "f();\n", "function f() {\n" " if (false) {\n" " return 1;\n" " } else {\n" " return -1;\n" " }\n" "};\n" "f();\n", "function f() {\n" " if (false) {\n" " return 1;\n" " }\n" "};\n" "f();\n", "function f() {\n" " var a = 1;\n" " if (a) {\n" " a += 1;\n" " } else {\n" " return 2;\n" " }\n" "};\n" "f();\n", "function f(a) {\n" " if (a <= 0) {\n" " return 200;\n" " } else {\n" " return -200;\n" " }\n" "};\n" "f(99);\n", "function f(a, b) { if (a in b) { return 200; } }" "f('prop', { prop: 'yes'});\n", "function f(z) { var a = 0; var b = 0; if (a === 0.01) {\n" REPEAT_64(" b = a; a = b;\n") " return 200; } else { return -200; } } f(0.001);\n", "function f() {\n" " var a = 0; var b = 0;\n" " if (a) {\n" REPEAT_64(" b = a; a = b;\n") " return 200; } else { return -200; }\n" "};\n" "f();\n", "function f(a, b) {\n" " if (a == b) { return 1; }\n" " if (a === b) { return 1; }\n" " if (a < b) { return 1; }\n" " if (a > b) { return 1; }\n" " if (a <= b) { return 1; }\n" " if (a >= b) { return 1; }\n" " if (a in b) { return 1; }\n" " if (a instanceof b) { return 1; }\n" " return 0;\n" "}\n" "f(1, 1);\n", "function f() {\n" " var a = 0;\n" " if (a) {\n" " return 20;\n" " } else {\n" " return -20;\n" " }\n" "};\n" "f();\n", "function f(a, b) {\n" " if (a == b || a < 0) {\n" " return 1;\n" " } else if (a > 0 && b > 0) {\n" " return 0;\n" " } else {\n" " return -1;\n" " }\n" "};\n" "f(-1, 1);\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("IfConditions.golden"))); } TEST(DeclareGlobals) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); printer.set_top_level(true); const char* snippets[] = { "var a = 1;\n", "function f() {}\n", "var a = 1;\n" "a=2;\n", "function f() {}\n" "f();\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("DeclareGlobals.golden"))); } TEST(BreakableBlocks) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var x = 0;\n" "label: {\n" " x = x + 1;\n" " break label;\n" " x = x + 1;\n" "}\n" "return x;\n", "var sum = 0;\n" "outer: {\n" " for (var x = 0; x < 10; ++x) {\n" " for (var y = 0; y < 3; ++y) {\n" " ++sum;\n" " if (x + y == 12) { break outer; }\n" " }\n" " }\n" "}\n" "return sum;\n", "outer: {\n" " let y = 10;\n" " function f() { return y; }\n" " break outer;\n" "}\n", "let x = 1;\n" "outer: {\n" " inner: {\n" " let y = 2;\n" " function f() { return x + y; }\n" " if (y) break outer;\n" " y = 3;\n" " }\n" "}\n" "x = 4;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("BreakableBlocks.golden"))); } TEST(BasicLoops) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var x = 0;\n" "while (false) { x = 99; break; continue; }\n" "return x;\n", "var x = 0;\n" "while (false) {\n" " x = x + 1;\n" "};\n" "return x;\n", "var x = 0;\n" "var y = 1;\n" "while (x < 10) {\n" " y = y * 12;\n" " x = x + 1;\n" " if (x == 3) continue;\n" " if (x == 4) break;\n" "}\n" "return y;\n", "var i = 0;\n" "while (true) {\n" " if (i < 0) continue;\n" " if (i == 3) break;\n" " if (i == 4) break;\n" " if (i == 10) continue;\n" " if (i == 5) break;\n" " i = i + 1;\n" "}\n" "return i;\n", "var i = 0;\n" "while (true) {\n" " while (i < 3) {\n" " if (i == 2) break;\n" " i = i + 1;\n" " }\n" " i = i + 1;\n" " break;\n" "}\n" "return i;\n", "var x = 10;\n" "var y = 1;\n" "while (x) {\n" " y = y * 12;\n" " x = x - 1;\n" "}\n" "return y;\n", "var x = 0; var y = 1;\n" "do {\n" " y = y * 10;\n" " if (x == 5) break;\n" " if (x == 6) continue;\n" " x = x + 1;\n" "} while (x < 10);\n" "return y;\n", "var x = 10;\n" "var y = 1;\n" "do {\n" " y = y * 12;\n" " x = x - 1;\n" "} while (x);\n" "return y;\n", "var x = 0; var y = 1;\n" "do {\n" " y = y * 10;\n" " if (x == 5) break;\n" " x = x + 1;\n" " if (x == 6) continue;\n" "} while (false);\n" "return y;\n", "var x = 0; var y = 1;\n" "do {\n" " y = y * 10;\n" " if (x == 5) break;\n" " x = x + 1;\n" " if (x == 6) continue;\n" "} while (true);\n" "return y;\n", "var x = 0;\n" "for (;;) {\n" " if (x == 1) break;\n" " if (x == 2) continue;\n" " x = x + 1;\n" "}\n", "for (var x = 0;;) {\n" " if (x == 1) break;\n" " if (x == 2) continue;\n" " x = x + 1;\n" "}\n", "var x = 0;\n" "for (;; x = x + 1) {\n" " if (x == 1) break;\n" " if (x == 2) continue;\n" "}\n", "for (var x = 0;; x = x + 1) {\n" " if (x == 1) break;\n" " if (x == 2) continue;\n" "}\n", "var u = 0;\n" "for (var i = 0; i < 100; i = i + 1) {\n" " u = u + 1;\n" " continue;\n" "}\n", "var y = 1;\n" "for (var x = 10; x; --x) {\n" " y = y * 12;\n" "}\n" "return y;\n", "var x = 0;\n" "for (var i = 0; false; i++) {\n" " x = x + 1;\n" "};\n" "return x;\n", "var x = 0;\n" "for (var i = 0; true; ++i) {\n" " x = x + 1;\n" " if (x == 20) break;\n" "};\n" "return x;\n", "var a = 0;\n" "while (a) {\n" " { \n" " let z = 1;\n" " function f() { z = 2; }\n" " if (z) continue;\n" " z++;\n" " }\n" "}\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("BasicLoops.golden"))); } TEST(UnaryOperators) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var x = 0;\n" "while (x != 10) {\n" " x = x + 10;\n" "}\n" "return x;\n", "var x = false;\n" "do {\n" " x = !x;\n" "} while(x == false);\n" "return x;\n", "var x = 101;\n" "return void(x * 3);\n", "var x = 1234;\n" "var y = void (x * x - 1);\n" "return y;\n", "var x = 13;\n" "return ~x;\n", "var x = 13;\n" "return +x;\n", "var x = 13;\n" "return -x;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("UnaryOperators.golden"))); } TEST(Typeof) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "function f() {\n" " var x = 13;\n" " return typeof(x);\n" "};", "var x = 13;\n" "function f() {\n" " return typeof(x);\n" "};", }; CHECK(CompareTexts(BuildActual(printer, snippets, "", "\nf();"), LoadGolden("Typeof.golden"))); } TEST(CompareTypeOf) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "return typeof(1) === 'number';\n", "return 'string' === typeof('foo');\n", "return typeof(true) == 'boolean';\n", "return 'string' === typeof(undefined);\n", "return 'unknown' === typeof(undefined);\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("CompareTypeOf.golden"))); } TEST(CompareNil) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var a = 1;\n" "return a === null;\n", "var a = undefined;\n" "return undefined === a;\n", "var a = undefined;\n" "return undefined !== a;\n", "var a = 2;\n" "return a != null;\n", "var a = undefined;\n" "return undefined == a;\n", "var a = undefined;\n" "return undefined === a ? 1 : 2;\n", "var a = 0;\n" "return null == a ? 1 : 2;\n", "var a = 0;\n" "return undefined !== a ? 1 : 2;\n", "var a = 0;\n" "return a === null ? 1 : 2;\n", "var a = 0;\n" "if (a === null) {\n" " return 1;\n" "} else {\n" " return 2;\n" "}\n", "var a = 0;\n" "if (a != undefined) {\n" " return 1;\n" "}\n", "var a = undefined;\n" "var b = 0;\n" "while (a !== undefined) {\n" " b++;\n" "}\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("CompareNil.golden"))); } TEST(Delete) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var a = {x:13, y:14}; return delete a.x;\n", "'use strict'; var a = {x:13, y:14}; return delete a.x;\n", "var a = {1:13, 2:14}; return delete a[2];\n", "var a = 10; return delete a;\n", "'use strict';\n" "var a = {1:10};\n" "(function f1() {return a;});\n" "return delete a[1];\n", "return delete 'test';\n", "return delete this;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("Delete.golden"))); } TEST(GlobalDelete) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "var a = {x:13, y:14};\n" "function f() {\n" " return delete a.x;\n" "};\n" "f();\n", "a = {1:13, 2:14};\n" "function f() {\n" " 'use strict';\n" " return delete a[1];\n" "};\n" "f();\n", "var a = {x:13, y:14};\n" "function f() {\n" " return delete a;\n" "};\n" "f();\n", "b = 30;\n" "function f() {\n" " return delete b;\n" "};\n" "f();\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("GlobalDelete.golden"))); } TEST(FunctionLiterals) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "return function(){ }\n", "return (function(){ })()\n", "return (function(x){ return x; })(1)\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("FunctionLiterals.golden"))); } TEST(RegExpLiterals) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "return /ab+d/;\n", "return /(\\w+)\\s(\\w+)/i;\n", "return /ab+d/.exec('abdd');\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("RegExpLiterals.golden"))); } TEST(ArrayLiterals) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "return [ 1, 2 ];\n", "var a = 1; return [ a, a + 1 ];\n", "return [ [ 1, 2 ], [ 3 ] ];\n", "var a = 1; return [ [ a, 2 ], [ a + 2 ] ];\n", "var a = [ 1, 2 ]; return [ ...a ];\n", "var a = [ 1, 2 ]; return [ 0, ...a ];\n", "var a = [ 1, 2 ]; return [ ...a, 3 ];\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("ArrayLiterals.golden"))); } TEST(ObjectLiterals) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "return { };\n", "return { name: 'string', val: 9.2 };\n", "var a = 1; return { name: 'string', val: a };\n", "var a = 1; return { val: a, val: a + 1 };\n", "return { func: function() { } };\n", "return { func(a) { return a; } };\n", "return { get a() { return 2; } };\n", "return { get a() { return this.x; }, set a(val) { this.x = val } };\n", "return { set b(val) { this.y = val } };\n", "var a = 1; return { 1: a };\n", "return { __proto__: null };\n", "var a = 'test'; return { [a]: 1 };\n", "var a = 'test'; return { val: a, [a]: 1 };\n", "var a = 'test'; return { [a]: 1, __proto__: {} };\n", "var n = 'name'; return { [n]: 'val', get a() { }, set a(b) {} };\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("ObjectLiterals.golden"))); } TEST(TopLevelObjectLiterals) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); printer.set_top_level(true); const char* snippets[] = { "var a = { func: function() { } };\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("TopLevelObjectLiterals.golden"))); } TEST(TryCatch) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "try { return 1; } catch(e) { return 2; }\n", "var a;\n" "try { a = 1 } catch(e1) {};\n" "try { a = 2 } catch(e2) { a = 3 }\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("TryCatch.golden"))); } TEST(TryFinally) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var a = 1;\n" "try { a = 2; } finally { a = 3; }\n", "var a = 1;\n" "try { a = 2; } catch(e) { a = 20 } finally { a = 3; }\n", "var a; try {\n" " try { a = 1 } catch(e) { a = 2 }\n" "} catch(e) { a = 20 } finally { a = 3; }\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("TryFinally.golden"))); } TEST(Throw) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "throw 1;\n", "throw 'Error';\n", "var a = 1; if (a) { throw 'Error'; };\n", }; CHECK( CompareTexts(BuildActual(printer, snippets), LoadGolden("Throw.golden"))); } TEST(CallNew) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "function bar() { this.value = 0; }\n" "function f() { return new bar(); }\n" "f();\n", "function bar(x) { this.value = 18; this.x = x;}\n" "function f() { return new bar(3); }\n" "f();\n", "function bar(w, x, y, z) {\n" " this.value = 18;\n" " this.x = x;\n" " this.y = y;\n" " this.z = z;\n" "}\n" "function f() { return new bar(3, 4, 5); }\n" "f();\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("CallNew.golden"))); } TEST(ContextVariables) { // The wide check below relies on MIN_CONTEXT_SLOTS + 3 + 249 == 256, if this // ever changes, the REPEAT_XXX should be changed to output the correct number // of unique variables to trigger the wide slot load / store. STATIC_ASSERT(Context::MIN_CONTEXT_SLOTS + 3 + 249 == 256); InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var a; return function() { a = 1; };\n", "var a = 1; return function() { a = 2; };\n", "var a = 1; var b = 2; return function() { a = 2; b = 3 };\n", "var a; (function() { a = 2; })(); return a;\n", "'use strict';\n" "let a = 1;\n" "{ let b = 2; return function() { a + b; }; }\n", "'use strict';\n" REPEAT_250_UNIQUE_VARS() "eval();\n" "var b = 100;\n" "return b\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("ContextVariables.golden"))); } TEST(ContextParameters) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "function f(arg1) { return function() { arg1 = 2; }; }", "function f(arg1) { var a = function() { arg1 = 2; }; return arg1; }", "function f(a1, a2, a3, a4) { return function() { a1 = a3; }; }", "function f() { var self = this; return function() { self = 2; }; }", }; CHECK(CompareTexts(BuildActual(printer, snippets, "", "\nf();"), LoadGolden("ContextParameters.golden"))); } TEST(OuterContextVariables) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "function Outer() {\n" " var outerVar = 1;\n" " function Inner(innerArg) {\n" " this.innerFunc = function() { return outerVar * innerArg; }\n" " }\n" " this.getInnerFunc = function() { return new Inner(1).innerFunc; }\n" "}\n" "var f = new Outer().getInnerFunc();", "function Outer() {\n" " var outerVar = 1;\n" " function Inner(innerArg) {\n" " this.innerFunc = function() { outerVar = innerArg; }\n" " }\n" " this.getInnerFunc = function() { return new Inner(1).innerFunc; }\n" "}\n" "var f = new Outer().getInnerFunc();", }; CHECK(CompareTexts(BuildActual(printer, snippets, "", "\nf();"), LoadGolden("OuterContextVariables.golden"))); } TEST(CountOperators) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var a = 1; return ++a;\n", "var a = 1; return a++;\n", "var a = 1; return --a;\n", "var a = 1; return a--;\n", "var a = { val: 1 }; return a.val++;\n", "var a = { val: 1 }; return --a.val;\n", "var name = 'var'; var a = { val: 1 }; return a[name]--;\n", "var name = 'var'; var a = { val: 1 }; return ++a[name];\n", "var a = 1; var b = function() { return a }; return ++a;\n", "var a = 1; var b = function() { return a }; return a--;\n", "var idx = 1; var a = [1, 2]; return a[idx++] = 2;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("CountOperators.golden"))); } TEST(GlobalCountOperators) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "var global = 1;\n" "function f() { return ++global; }\n" "f();\n", "var global = 1;\n" "function f() { return global--; }\n" "f();\n", "unallocated = 1;\n" "function f() { 'use strict'; return --unallocated; }\n" "f();\n", "unallocated = 1;\n" "function f() { return unallocated++; }\n" "f();\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("GlobalCountOperators.golden"))); } TEST(CompoundExpressions) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var a = 1; a += 2;\n", "var a = 1; a /= 2;\n", "var a = { val: 2 }; a.name *= 2;\n", "var a = { 1: 2 }; a[1] ^= 2;\n", "var a = 1; (function f() { return a; }); a |= 24;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("CompoundExpressions.golden"))); } TEST(GlobalCompoundExpressions) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "var global = 1;\n" "function f() { return global &= 1; }\n" "f();\n", "unallocated = 1;\n" "function f() { return unallocated += 1; }\n" "f();\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("GlobalCompoundExpressions.golden"))); } TEST(CreateArguments) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "function f() { return arguments; }", "function f() { return arguments[0]; }", "function f() { 'use strict'; return arguments; }", "function f(a) { return arguments[0]; }", "function f(a, b, c) { return arguments; }", "function f(a, b, c) { 'use strict'; return arguments; }", }; CHECK(CompareTexts(BuildActual(printer, snippets, "", "\nf();"), LoadGolden("CreateArguments.golden"))); } TEST(CreateRestParameter) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "function f(...restArgs) { return restArgs; }", "function f(a, ...restArgs) { return restArgs; }", "function f(a, ...restArgs) { return restArgs[0]; }", "function f(a, ...restArgs) { return restArgs[0] + arguments[0]; }", }; CHECK(CompareTexts(BuildActual(printer, snippets, "", "\nf();"), LoadGolden("CreateRestParameter.golden"))); } TEST(ForIn) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "for (var p in null) {}\n", "for (var p in undefined) {}\n", "for (var p in undefined) {}\n", "var x = 'potatoes';\n" "for (var p in x) { return p; }\n", "var x = 0;\n" "for (var p in [1,2,3]) { x += p; }\n", "var x = { 'a': 1, 'b': 2 };\n" "for (x['a'] in [10, 20, 30]) {\n" " if (x['a'] == 10) continue;\n" " if (x['a'] == 20) break;\n" "}\n", "var x = [ 10, 11, 12 ] ;\n" "for (x[0] in [1,2,3]) { return x[3]; }\n", }; CHECK( CompareTexts(BuildActual(printer, snippets), LoadGolden("ForIn.golden"))); } TEST(ForOf) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "for (var p of [0, 1, 2]) {}\n", "var x = 'potatoes';\n" "for (var p of x) { return p; }\n", "for (var x of [10, 20, 30]) {\n" " if (x == 10) continue;\n" " if (x == 20) break;\n" "}\n", "var x = { 'a': 1, 'b': 2 };\n" "for (x['a'] of [1,2,3]) { return x['a']; }\n", }; CHECK( CompareTexts(BuildActual(printer, snippets), LoadGolden("ForOf.golden"))); } TEST(Conditional) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "return 1 ? 2 : 3;\n", "return 1 ? 2 ? 3 : 4 : 5;\n", "return 0 < 1 ? 2 : 3;\n", "var x = 0;\n" "return x ? 2 : 3;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("Conditional.golden"))); } TEST(Switch) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var a = 1;\n" "switch(a) {\n" " case 1: return 2;\n" " case 2: return 3;\n" "}\n", "var a = 1;\n" "switch(a) {\n" " case 1: a = 2; break;\n" " case 2: a = 3; break;\n" "}\n", "var a = 1;\n" "switch(a) {\n" " case 1: a = 2; // fall-through\n" " case 2: a = 3; break;\n" "}\n", "var a = 1;\n" "switch(a) {\n" " case 2: break;\n" " case 3: break;\n" " default: a = 1; break;\n" "}\n", "var a = 1;\n" "switch(typeof(a)) {\n" " case 2: a = 1; break;\n" " case 3: a = 2; break;\n" " default: a = 3; break;\n" "}\n", "var a = 1;\n" "switch(a) {\n" " case typeof(a): a = 1; break;\n" " default: a = 2; break;\n" "}\n", "var a = 1;\n" "switch(a) {\n" " case 1:\n" REPEAT_64(" a = 2;\n") " break;\n" " case 2:\n" " a = 3;\n" " break;\n" "}\n", "var a = 1;\n" "switch(a) {\n" " case 1: \n" " switch(a + 1) {\n" " case 2 : a = 1; break;\n" " default : a = 2; break;\n" " } // fall-through\n" " case 2: a = 3;\n" "}\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("Switch.golden"))); } TEST(BasicBlockToBoolean) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var a = 1; if (a || a < 0) { return 1; }\n", "var a = 1; if (a && a < 0) { return 1; }\n", "var a = 1; a = (a || a < 0) ? 2 : 3;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("BasicBlockToBoolean.golden"))); } TEST(DeadCodeRemoval) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "return; var a = 1; a();\n", "if (false) { return; }; var a = 1;\n", "if (true) { return 1; } else { return 2; };\n", "var a = 1; if (a) { return 1; }; return 2;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("DeadCodeRemoval.golden"))); } TEST(ThisFunction) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "var f;\n" "f = function f() {};", "var f;\n" "f = function f() { return f; };", }; CHECK(CompareTexts(BuildActual(printer, snippets, "", "\nf();"), LoadGolden("ThisFunction.golden"))); } TEST(NewTarget) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "return new.target;\n", "new.target;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("NewTarget.golden"))); } TEST(RemoveRedundantLdar) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var ld_a = 1;\n" // This test is to check Ldar does not "while(true) {\n" // get removed if the preceding Star is " ld_a = ld_a + ld_a;\n" // in a different basicblock. " if (ld_a > 10) break;\n" "}\n" "return ld_a;\n", "var ld_a = 1;\n" "do {\n" " ld_a = ld_a + ld_a;\n" " if (ld_a > 10) continue;\n" "} while(false);\n" "return ld_a;\n", "var ld_a = 1;\n" " ld_a = ld_a + ld_a;\n" " return ld_a;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("RemoveRedundantLdar.golden"))); } TEST(GenerateTestUndetectable) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var obj_a = {val:1};\n" "var b = 10;\n" "if (obj_a == null) { b = 20;}\n" "return b;\n", "var obj_a = {val:1};\n" "var b = 10;\n" "if (obj_a == undefined) { b = 20;}\n" "return b;\n", "var obj_a = {val:1};\n" "var b = 10;\n" "if (obj_a != null) { b = 20;}\n" "return b;\n", "var obj_a = {val:1};\n" "var b = 10;\n" "if (obj_a != undefined) { b = 20;}\n" "return b;\n", "var obj_a = {val:1};\n" "var b = 10;\n" "if (obj_a === null) { b = 20;}\n" "return b;\n", "var obj_a = {val:1};\n" "var b = 10;\n" "if (obj_a === undefined) { b = 20;}\n" "return b;\n", "var obj_a = {val:1};\n" "var b = 10;\n" "if (obj_a !== null) { b = 20;}\n" "return b;\n", "var obj_a = {val:1};\n" "var b = 10;\n" "if (obj_a !== undefined) { b = 20;}\n" "return b;\n"}; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("GenerateTestUndetectable.golden"))); } TEST(AssignmentsInBinaryExpression) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var x = 0, y = 1;\n" "return (x = 2, y = 3, x = 4, y = 5);\n", "var x = 55;\n" "var y = (x = 100);\n" "return y;\n", "var x = 55;\n" "x = x + (x = 100) + (x = 101);\n" "return x;\n", "var x = 55;\n" "x = (x = 56) - x + (x = 57);\n" "x++;\n" "return x;\n", "var x = 55;\n" "var y = x + (x = 1) + (x = 2) + (x = 3);\n" "return y;\n", "var x = 55;\n" "var x = x + (x = 1) + (x = 2) + (x = 3);\n" "return x;\n", "var x = 10, y = 20;\n" "return x + (x = 1) + (x + 1) * (y = 2) + (y = 3) + (x = 4) + (y = 5) + " "y;\n", "var x = 17;\n" "return 1 + x + (x++) + (++x);\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("AssignmentsInBinaryExpression.golden"))); } TEST(DestructuringAssignment) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var x, a = [0,1,2,3];\n" "[x] = a;\n", "var x, y, a = [0,1,2,3];\n" "[,x,...y] = a;\n", "var x={}, y, a = [0];\n" "[x.foo,y=4] = a;\n", "var x, a = {x:1};\n" "({x} = a);\n", "var x={}, a = {y:1};\n" "({y:x.foo} = a);\n", "var x, a = {y:1, w:2, v:3};\n" "({x=0,...y} = a);\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("DestructuringAssignment.golden"))); } TEST(Eval) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "return eval('1;');\n", }; CHECK( CompareTexts(BuildActual(printer, snippets), LoadGolden("Eval.golden"))); } TEST(LookupSlot) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_test_function_name("f"); // clang-format off const char* snippets[] = { "eval('var x = 10;'); return x;\n", "eval('var x = 10;'); return typeof x;\n", "x = 20; return eval('');\n", "var x = 20;\n" "f = function(){\n" " eval('var x = 10');\n" " return x;\n" "}\n" "f();\n", "x = 20;\n" "f = function(){\n" " eval('var x = 10');\n" " return x;\n" "}\n" "f();\n" }; // clang-format on CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("LookupSlot.golden"))); } TEST(CallLookupSlot) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "g = function(){}; eval(''); return g();\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("CallLookupSlot.golden"))); } // TODO(mythria): tests for variable/function declaration in lookup slots. TEST(LookupSlotInEval) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "return x;", "x = 10;", "'use strict'; x = 10;", "return typeof x;", }; std::string actual = BuildActual(printer, snippets, "var f;\n" "var x = 1;\n" "function f1() {\n" " eval(\"function t() { ", " }; f = t; f();\");\n" "}\n" "f1();"); CHECK(CompareTexts(actual, LoadGolden("LookupSlotInEval.golden"))); } TEST(DeleteLookupSlotInEval) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "delete x;", "return delete y;", "return delete z;", }; std::string actual = BuildActual(printer, snippets, "var f;\n" "var x = 1;\n" "z = 10;\n" "function f1() {\n" " var y;\n" " eval(\"function t() { ", " }; f = t; f();\");\n" "}\n" "f1();"); CHECK(CompareTexts(actual, LoadGolden("DeleteLookupSlotInEval.golden"))); } TEST(WideRegisters) { // Prepare prologue that creates frame for lots of registers. std::ostringstream os; for (size_t i = 0; i < 157; ++i) { os << "var x" << i << " = 0;\n"; } std::string prologue(os.str()); InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "x0 = x127;\n" "return x0;\n", "x127 = x126;\n" "return x127;\n", "if (x2 > 3) { return x129; }\n" "return x128;\n", "var x0 = 0;\n" "if (x129 == 3) { var x129 = x0; }\n" "if (x2 > 3) { return x0; }\n" "return x129;\n", "var x0 = 0;\n" "var x1 = 0;\n" "for (x128 = 0; x128 < 64; x128++) {" " x1 += x128;" "}" "return x128;\n", "var x0 = 1234;\n" "var x1 = 0;\n" "for (x128 in x0) {" " x1 += x128;" "}" "return x1;\n", "x0 = %Add(x64, x63);\n" "x1 = %Add(x27, x143);\n" "%TheHole();\n" "return x1;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets, prologue.c_str()), LoadGolden("WideRegisters.golden"))); } TEST(ConstVariable) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "const x = 10;\n", "const x = 10; return x;\n", "const x = ( x = 20);\n", "const x = 10; x = 20;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("ConstVariable.golden"))); } TEST(LetVariable) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "let x = 10;\n", "let x = 10; return x;\n", "let x = (x = 20);\n", "let x = 10; x = 20;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("LetVariable.golden"))); } TEST(ConstVariableContextSlot) { // TODO(mythria): Add tests for initialization of this via super calls. // TODO(mythria): Add tests that walk the context chain. InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "const x = 10; function f1() {return x;}\n", "const x = 10; function f1() {return x;} return x;\n", "const x = (x = 20); function f1() {return x;}\n", "const x = 10; x = 20; function f1() {return x;}\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("ConstVariableContextSlot.golden"))); } TEST(LetVariableContextSlot) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "let x = 10; function f1() {return x;}\n", "let x = 10; function f1() {return x;} return x;\n", "let x = (x = 20); function f1() {return x;}\n", "let x = 10; x = 20; function f1() {return x;}\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("LetVariableContextSlot.golden"))); } TEST(WithStatement) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "with ({x:42}) { return x; }\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("WithStatement.golden"))); } TEST(DoDebugger) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "debugger;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("DoDebugger.golden"))); } TEST(ClassDeclarations) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "class Person {\n" " constructor(name) { this.name = name; }\n" " speak() { console.log(this.name + ' is speaking.'); }\n" "}\n", "class person {\n" " constructor(name) { this.name = name; }\n" " speak() { console.log(this.name + ' is speaking.'); }\n" "}\n", "var n0 = 'a';\n" "var n1 = 'b';\n" "class N {\n" " [n0]() { return n0; }\n" " static [n1]() { return n1; }\n" "}\n", "var count = 0;\n" "class C { constructor() { count++; }}\n" "return new C();\n", "(class {})\n" "class E { static name () {}}\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("ClassDeclarations.golden"))); } TEST(ClassAndSuperClass) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("test"); const char* snippets[] = { "var test;\n" "(function() {\n" " class A {\n" " method() { return 2; }\n" " }\n" " class B extends A {\n" " method() { return super.method() + 1; }\n" " }\n" " test = new B().method;\n" " test();\n" "})();\n", "var test;\n" "(function() {\n" " class A {\n" " get x() { return 1; }\n" " set x(val) { return; }\n" " }\n" " class B extends A {\n" " method() { super.x = 2; return super.x; }\n" " }\n" " test = new B().method;\n" " test();\n" "})();\n", "var test;\n" "(function() {\n" " class A {\n" " constructor(x) { this.x_ = x; }\n" " }\n" " class B extends A {\n" " constructor() { super(1); this.y_ = 2; }\n" " }\n" " test = new B().constructor;\n" "})();\n", "var test;\n" "(function() {\n" " class A {\n" " constructor() { this.x_ = 1; }\n" " }\n" " class B extends A {\n" " constructor() { super(); this.y_ = 2; }\n" " }\n" " test = new B().constructor;\n" "})();\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("ClassAndSuperClass.golden"))); } TEST(PublicClassFields) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "{\n" " class A {\n" " a;\n" " ['b'];\n" " }\n" "\n" " class B {\n" " a = 1;\n" " ['b'] = this.a;\n" " }\n" " new A;\n" " new B;\n" "}\n", "{\n" " class A extends class {} {\n" " a;\n" " ['b'];\n" " }\n" "\n" " class B extends class {} {\n" " a = 1;\n" " ['b'] = this.a;\n" " foo() { return 1; }\n" " constructor() {\n" " super();\n" " }\n" " }\n" "\n" " class C extends B {\n" " a = 1;\n" " ['b'] = this.a;\n" " constructor() {\n" " (() => super())();\n" " }\n" " }\n" "\n" " new A;\n" " new B;\n" " new C;\n" "}\n"}; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("PublicClassFields.golden"))); } TEST(PrivateClassFields) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "{\n" " class A {\n" " #a;\n" " constructor() {\n" " this.#a = 1;\n" " }\n" " }\n" "\n" " class B {\n" " #a = 1;\n" " }\n" " new A;\n" " new B;\n" "}\n", "{\n" " class A extends class {} {\n" " #a;\n" " constructor() {\n" " super();\n" " this.#a = 1;\n" " }\n" " }\n" "\n" " class B extends class {} {\n" " #a = 1;\n" " #b = this.#a;\n" " foo() { return this.#a; }\n" " bar(v) { this.#b = v; }\n" " constructor() {\n" " super();\n" " this.foo();\n" " this.bar(3);\n" " }\n" " }\n" "\n" " class C extends B {\n" " #a = 2;\n" " constructor() {\n" " (() => super())();\n" " }\n" " }\n" "\n" " new A;\n" " new B;\n" " new C;\n" "};\n"}; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("PrivateClassFields.golden"))); } TEST(PrivateMethods) { bool old_methods_flag = i::FLAG_harmony_private_methods; i::FLAG_harmony_private_methods = true; InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "{\n" " class A {\n" " #a() { return 1; }\n" " callA() { return this.#a(); }\n" " }\n" "\n" " const a = new A;\n" " a.callA();\n" "}\n", "{\n" " class D {\n" " #d() { return 1; }\n" " callD() { return this.#d(); }\n" " }\n" "\n" " class E extends D {\n" " #e() { return 2; }\n" " callE() { return this.callD() + this.#e(); }\n" " }\n" "\n" " const e = new E;\n" " e.callE();\n" "}\n"}; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("PrivateMethods.golden"))); i::FLAG_harmony_private_methods = old_methods_flag; } TEST(StaticClassFields) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "{\n" " class A {\n" " a;\n" " ['b'];\n" " static c;\n" " static ['d'];\n" " }\n" "\n" " class B {\n" " a = 1;\n" " ['b'] = this.a;\n" " static c = 3;\n" " static ['d'] = this.c;\n" " }\n" " new A;\n" " new B;\n" "}\n", "{\n" " class A extends class {} {\n" " a;\n" " ['b'];\n" " static c;\n" " static ['d'];\n" " }\n" "\n" " class B extends class {} {\n" " a = 1;\n" " ['b'] = this.a;\n" " static c = 3;\n" " static ['d'] = this.c;\n" " foo() { return 1; }\n" " constructor() {\n" " super();\n" " }\n" " }\n" "\n" " class C extends B {\n" " a = 1;\n" " ['b'] = this.a;\n" " static c = 3;\n" " static ['d'] = super.foo();\n" " constructor() {\n" " (() => super())();\n" " }\n" " }\n" "\n" " new A;\n" " new B;\n" " new C;\n" "}\n"}; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("StaticClassFields.golden"))); } TEST(Generators) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "function* f() { }\n" "f();\n", "function* f() { yield 42 }\n" "f();\n", "function* f() { for (let x of [42]) yield x }\n" "f();\n", "function* g() { yield 42 }\n" "function* f() { yield* g() }\n" "f();\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("Generators.golden"))); } TEST(AsyncGenerators) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "async function* f() { }\n" "f();\n", "async function* f() { yield 42 }\n" "f();\n", "async function* f() { for (let x of [42]) yield x }\n" "f();\n", "function* g() { yield 42 }\n" "async function* f() { yield* g() }\n" "f();\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("AsyncGenerators.golden"))); } TEST(Modules) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_module(true); printer.set_top_level(true); const char* snippets[] = { "import \"bar\";\n", "import {foo} from \"bar\";\n", "import {foo as goo} from \"bar\";\n" "goo(42);\n" "{ let x; { goo(42) } };\n", "export var foo = 42;\n" "foo++;\n" "{ let x; { foo++ } };\n", "export let foo = 42;\n" "foo++;\n" "{ let x; { foo++ } };\n", "export const foo = 42;\n" "foo++;\n" "{ let x; { foo++ } };\n", "export default (function () {});\n", "export default (class {});\n", "export {foo as goo} from \"bar\"\n", "export * from \"bar\"\n", "import * as foo from \"bar\"\n" "foo.f(foo, foo.x);\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("Modules.golden"))); } TEST(SuperCallAndSpread) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("test"); const char* snippets[] = { "var test;\n" "(function() {\n" " class A {\n" " constructor(...args) { this.baseArgs = args; }\n" " }\n" " class B extends A {}\n" " test = new B(1, 2, 3).constructor;\n" "})();\n", "var test;\n" "(function() {\n" " class A {\n" " constructor(...args) { this.baseArgs = args; }\n" " }\n" " class B extends A {\n" " constructor(...args) { super(1, ...args); }\n" " }\n" " test = new B(1, 2, 3).constructor;\n" "})();\n", "var test;\n" "(function() {\n" " class A {\n" " constructor(...args) { this.baseArgs = args; }\n" " }\n" " class B extends A {\n" " constructor(...args) { super(1, ...args, 1); }\n" " }\n" " test = new B(1, 2, 3).constructor;\n" "})();\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("SuperCallAndSpread.golden"))); } TEST(CallAndSpread) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = {"Math.max(...[1, 2, 3]);\n", "Math.max(0, ...[1, 2, 3]);\n", "Math.max(0, ...[1, 2, 3], 4);\n"}; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("CallAndSpread.golden"))); } TEST(NewAndSpread) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "class A { constructor(...args) { this.args = args; } }\n" "new A(...[1, 2, 3]);\n", "class A { constructor(...args) { this.args = args; } }\n" "new A(0, ...[1, 2, 3]);\n", "class A { constructor(...args) { this.args = args; } }\n" "new A(0, ...[1, 2, 3], 4);\n"}; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("NewAndSpread.golden"))); } TEST(ForAwaitOf) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "async function f() {\n" " for await (let x of [1, 2, 3]) {}\n" "}\n" "f();\n", "async function f() {\n" " for await (let x of [1, 2, 3]) { return x; }\n" "}\n" "f();\n", "async function f() {\n" " for await (let x of [10, 20, 30]) {\n" " if (x == 10) continue;\n" " if (x == 20) break;\n" " }\n" "}\n" "f();\n", "async function f() {\n" " var x = { 'a': 1, 'b': 2 };\n" " for (x['a'] of [1,2,3]) { return x['a']; }\n" "}\n" "f();\n"}; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("ForAwaitOf.golden"))); } TEST(StandardForLoop) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "function f() {\n" " for (let x = 0; x < 10; ++x) { let y = x; }\n" "}\n" "f();\n", "function f() {\n" " for (let x = 0; x < 10; ++x) { eval('1'); }\n" "}\n" "f();\n", "function f() {\n" " for (let x = 0; x < 10; ++x) { (function() { return x; })(); }\n" "}\n" "f();\n", "function f() {\n" " for (let { x, y } = { x: 0, y: 3 }; y > 0; --y) { let z = x + y; }\n" "}\n" "f();\n", "function* f() {\n" " for (let x = 0; x < 10; ++x) { let y = x; }\n" "}\n" "f();\n", "function* f() {\n" " for (let x = 0; x < 10; ++x) yield x;\n" "}\n" "f();\n", "async function f() {\n" " for (let x = 0; x < 10; ++x) { let y = x; }\n" "}\n" "f();\n", "async function f() {\n" " for (let x = 0; x < 10; ++x) await x;\n" "}\n" "f();\n"}; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("StandardForLoop.golden"))); } TEST(ForOfLoop) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); printer.set_wrap(false); printer.set_test_function_name("f"); const char* snippets[] = { "function f(arr) {\n" " for (let x of arr) { let y = x; }\n" "}\n" "f([1, 2, 3]);\n", "function f(arr) {\n" " for (let x of arr) { eval('1'); }\n" "}\n" "f([1, 2, 3]);\n", "function f(arr) {\n" " for (let x of arr) { (function() { return x; })(); }\n" "}\n" "f([1, 2, 3]);\n", "function f(arr) {\n" " for (let { x, y } of arr) { let z = x + y; }\n" "}\n" "f([{ x: 0, y: 3 }, { x: 1, y: 9 }, { x: -12, y: 17 }]);\n", "function* f(arr) {\n" " for (let x of arr) { let y = x; }\n" "}\n" "f([1, 2, 3]);\n", "function* f(arr) {\n" " for (let x of arr) yield x;\n" "}\n" "f([1, 2, 3]);\n", "async function f(arr) {\n" " for (let x of arr) { let y = x; }\n" "}\n" "f([1, 2, 3]);\n", "async function f(arr) {\n" " for (let x of arr) await x;\n" "}\n" "f([1, 2, 3]);\n"}; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("ForOfLoop.golden"))); } TEST(StringConcat) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var a = 1;\n" "var b = 2;\n" "return a + b + 'string';\n", "var a = 1;\n" "var b = 2;\n" "return 'string' + a + b;\n", "var a = 1;\n" "var b = 2;\n" "return a + 'string' + b;\n", "var a = 1;\n" "var b = 2;\n" "return 'foo' + a + 'bar' + b + 'baz' + 1;\n", "var a = 1;\n" "var b = 2;\n" "return (a + 'string') + ('string' + b);\n", "var a = 1;\n" "var b = 2;\n" "function foo(a, b) { };\n" "return 'string' + foo(a, b) + a + b;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("StringConcat.golden"))); } TEST(TemplateLiterals) { InitializedIgnitionHandleScope scope; BytecodeExpectationsPrinter printer(CcTest::isolate()); const char* snippets[] = { "var a = 1;\n" "var b = 2;\n" "return `${a}${b}string`;\n", "var a = 1;\n" "var b = 2;\n" "return `string${a}${b}`;\n", "var a = 1;\n" "var b = 2;\n" "return `${a}string${b}`;\n", "var a = 1;\n" "var b = 2;\n" "return `foo${a}bar${b}baz${1}`;\n", "var a = 1;\n" "var b = 2;\n" "return `${a}string` + `string${b}`;\n", "var a = 1;\n" "var b = 2;\n" "function foo(a, b) { };\n" "return `string${foo(a, b)}${a}${b}`;\n", }; CHECK(CompareTexts(BuildActual(printer, snippets), LoadGolden("TemplateLiterals.golden"))); } #undef XSTR #undef STR #undef UNIQUE_VAR #undef REPEAT_2 #undef REPEAT_4 #undef REPEAT_8 #undef REPEAT_16 #undef REPEAT_32 #undef REPEAT_64 #undef REPEAT_128 #undef REPEAT_256 #undef REPEAT_127 #undef REPEAT_249 #undef REPEAT_2_UNIQUE_VARS #undef REPEAT_4_UNIQUE_VARS #undef REPEAT_8_UNIQUE_VARS #undef REPEAT_16_UNIQUE_VARS #undef REPEAT_32_UNIQUE_VARS #undef REPEAT_64_UNIQUE_VARS #undef REPEAT_128_UNIQUE_VARS #undef REPEAT_250_UNIQUE_VARS #undef LOAD_UNIQUE_PROPERTY #undef REPEAT_2_LOAD_UNIQUE_PROPERTY #undef REPEAT_4_LOAD_UNIQUE_PROPERTY #undef REPEAT_8_LOAD_UNIQUE_PROPERTY #undef REPEAT_16_LOAD_UNIQUE_PROPERTY #undef REPEAT_32_LOAD_UNIQUE_PROPERTY #undef REPEAT_64_LOAD_UNIQUE_PROPERTY #undef REPEAT_128_LOAD_UNIQUE_PROPERTY #undef FUNC_ARG } // namespace interpreter } // namespace internal } // namespace v8