b4c7399464
%_IsObject(foo) is equivalent to typeof foo === 'object' and has exactly the same optimizations, so there's zero need for %_IsObject in our code base. R=mstarzinger@chromium.org Review URL: https://codereview.chromium.org/1313903003 Cr-Commit-Position: refs/heads/master@{#30380}
258 lines
8.5 KiB
C++
258 lines
8.5 KiB
C++
// Copyright 2014 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/v8.h"
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#include "test/cctest/compiler/function-tester.h"
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using namespace v8::internal;
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using namespace v8::internal::compiler;
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TEST(SimpleCall) {
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FunctionTester T("(function(foo,a) { return foo(a); })");
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Handle<JSFunction> foo = T.NewFunction("(function(a) { return a; })");
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T.CheckCall(T.Val(3), foo, T.Val(3));
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T.CheckCall(T.Val(3.1), foo, T.Val(3.1));
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T.CheckCall(foo, foo, foo);
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T.CheckCall(T.Val("Abba"), foo, T.Val("Abba"));
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}
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TEST(SimpleCall2) {
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FunctionTester T("(function(foo,a) { return foo(a); })");
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Handle<JSFunction> foo = T.NewFunction("(function(a) { return a; })");
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T.Compile(foo);
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T.CheckCall(T.Val(3), foo, T.Val(3));
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T.CheckCall(T.Val(3.1), foo, T.Val(3.1));
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T.CheckCall(foo, foo, foo);
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T.CheckCall(T.Val("Abba"), foo, T.Val("Abba"));
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}
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TEST(ConstCall) {
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FunctionTester T("(function(foo,a) { return foo(a,3); })");
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Handle<JSFunction> foo = T.NewFunction("(function(a,b) { return a + b; })");
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T.Compile(foo);
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T.CheckCall(T.Val(6), foo, T.Val(3));
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T.CheckCall(T.Val(6.1), foo, T.Val(3.1));
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T.CheckCall(T.Val("function (a,b) { return a + b; }3"), foo, foo);
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T.CheckCall(T.Val("Abba3"), foo, T.Val("Abba"));
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}
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TEST(ConstCall2) {
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FunctionTester T("(function(foo,a) { return foo(a,\"3\"); })");
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Handle<JSFunction> foo = T.NewFunction("(function(a,b) { return a + b; })");
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T.Compile(foo);
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T.CheckCall(T.Val("33"), foo, T.Val(3));
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T.CheckCall(T.Val("3.13"), foo, T.Val(3.1));
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T.CheckCall(T.Val("function (a,b) { return a + b; }3"), foo, foo);
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T.CheckCall(T.Val("Abba3"), foo, T.Val("Abba"));
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}
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TEST(PropertyNamedCall) {
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FunctionTester T("(function(a,b) { return a.foo(b,23); })");
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CompileRun("function foo(y,z) { return this.x + y + z; }");
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T.CheckCall(T.Val(32), T.NewObject("({ foo:foo, x:4 })"), T.Val(5));
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T.CheckCall(T.Val("xy23"), T.NewObject("({ foo:foo, x:'x' })"), T.Val("y"));
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T.CheckCall(T.nan(), T.NewObject("({ foo:foo, y:0 })"), T.Val(3));
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}
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TEST(PropertyKeyedCall) {
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FunctionTester T("(function(a,b) { var f = 'foo'; return a[f](b,23); })");
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CompileRun("function foo(y,z) { return this.x + y + z; }");
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T.CheckCall(T.Val(32), T.NewObject("({ foo:foo, x:4 })"), T.Val(5));
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T.CheckCall(T.Val("xy23"), T.NewObject("({ foo:foo, x:'x' })"), T.Val("y"));
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T.CheckCall(T.nan(), T.NewObject("({ foo:foo, y:0 })"), T.Val(3));
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}
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TEST(GlobalCall) {
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FunctionTester T("(function(a,b) { return foo(a,b); })");
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CompileRun("function foo(a,b) { return a + b + this.c; }");
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CompileRun("var c = 23;");
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T.CheckCall(T.Val(32), T.Val(4), T.Val(5));
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T.CheckCall(T.Val("xy23"), T.Val("x"), T.Val("y"));
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T.CheckCall(T.nan(), T.undefined(), T.Val(3));
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}
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TEST(LookupCall) {
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FunctionTester T("(function(a,b) { with (a) { return foo(a,b); } })");
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CompileRun("function f1(a,b) { return a.val + b; }");
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T.CheckCall(T.Val(5), T.NewObject("({ foo:f1, val:2 })"), T.Val(3));
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T.CheckCall(T.Val("xy"), T.NewObject("({ foo:f1, val:'x' })"), T.Val("y"));
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CompileRun("function f2(a,b) { return this.val + b; }");
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T.CheckCall(T.Val(9), T.NewObject("({ foo:f2, val:4 })"), T.Val(5));
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T.CheckCall(T.Val("xy"), T.NewObject("({ foo:f2, val:'x' })"), T.Val("y"));
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}
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TEST(MismatchCallTooFew) {
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FunctionTester T("(function(a,b) { return foo(a,b); })");
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CompileRun("function foo(a,b,c) { return a + b + c; }");
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T.CheckCall(T.nan(), T.Val(23), T.Val(42));
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T.CheckCall(T.nan(), T.Val(4.2), T.Val(2.3));
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T.CheckCall(T.Val("abundefined"), T.Val("a"), T.Val("b"));
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}
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TEST(MismatchCallTooMany) {
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FunctionTester T("(function(a,b) { return foo(a,b); })");
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CompileRun("function foo(a) { return a; }");
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T.CheckCall(T.Val(23), T.Val(23), T.Val(42));
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T.CheckCall(T.Val(4.2), T.Val(4.2), T.Val(2.3));
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T.CheckCall(T.Val("a"), T.Val("a"), T.Val("b"));
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}
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TEST(ConstructorCall) {
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FunctionTester T("(function(a,b) { return new foo(a,b).value; })");
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CompileRun("function foo(a,b) { return { value: a + b + this.c }; }");
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CompileRun("foo.prototype.c = 23;");
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T.CheckCall(T.Val(32), T.Val(4), T.Val(5));
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T.CheckCall(T.Val("xy23"), T.Val("x"), T.Val("y"));
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T.CheckCall(T.nan(), T.undefined(), T.Val(3));
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}
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// TODO(titzer): factor these out into test-runtime-calls.cc
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TEST(RuntimeCallCPP2) {
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FLAG_allow_natives_syntax = true;
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FunctionTester T("(function(a,b) { return %NumberAdd(a, b); })");
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T.CheckCall(T.Val(65), T.Val(42), T.Val(23));
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T.CheckCall(T.Val(19), T.Val(42), T.Val(-23));
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T.CheckCall(T.Val(6.5), T.Val(4.2), T.Val(2.3));
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}
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TEST(RuntimeCallJS) {
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FLAG_allow_natives_syntax = true;
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FunctionTester T("(function(a) { return %to_string_fun(a); })");
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T.CheckCall(T.Val("23"), T.Val(23), T.undefined());
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T.CheckCall(T.Val("4.2"), T.Val(4.2), T.undefined());
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T.CheckCall(T.Val("str"), T.Val("str"), T.undefined());
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T.CheckCall(T.Val("true"), T.true_value(), T.undefined());
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T.CheckCall(T.Val("false"), T.false_value(), T.undefined());
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T.CheckCall(T.Val("undefined"), T.undefined(), T.undefined());
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}
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TEST(RuntimeCallInline) {
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FLAG_allow_natives_syntax = true;
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FunctionTester T("(function(a) { return %_IsSpecObject(a); })");
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T.CheckCall(T.false_value(), T.Val(23), T.undefined());
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T.CheckCall(T.false_value(), T.Val(4.2), T.undefined());
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T.CheckCall(T.false_value(), T.Val("str"), T.undefined());
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T.CheckCall(T.false_value(), T.true_value(), T.undefined());
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T.CheckCall(T.false_value(), T.false_value(), T.undefined());
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T.CheckCall(T.false_value(), T.undefined(), T.undefined());
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T.CheckCall(T.true_value(), T.NewObject("({})"), T.undefined());
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T.CheckCall(T.true_value(), T.NewObject("([])"), T.undefined());
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}
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TEST(EvalCall) {
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FunctionTester T("(function(a,b) { return eval(a); })");
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Handle<JSObject> g(T.function->context()->global_object()->global_proxy());
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T.CheckCall(T.Val(23), T.Val("17 + 6"), T.undefined());
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T.CheckCall(T.Val("'Y'; a"), T.Val("'Y'; a"), T.Val("b-val"));
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T.CheckCall(T.Val("b-val"), T.Val("'Y'; b"), T.Val("b-val"));
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T.CheckCall(g, T.Val("this"), T.undefined());
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T.CheckCall(g, T.Val("'use strict'; this"), T.undefined());
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CompileRun("eval = function(x) { return x; }");
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T.CheckCall(T.Val("17 + 6"), T.Val("17 + 6"), T.undefined());
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CompileRun("eval = function(x) { return this; }");
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T.CheckCall(g, T.Val("17 + 6"), T.undefined());
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CompileRun("eval = function(x) { 'use strict'; return this; }");
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T.CheckCall(T.undefined(), T.Val("17 + 6"), T.undefined());
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}
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TEST(ReceiverPatching) {
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// TODO(turbofan): Note that this test only checks that the function prologue
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// patches an undefined receiver to the global receiver. If this starts to
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// fail once we fix the calling protocol, just remove this test.
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FunctionTester T("(function(a) { return this; })");
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Handle<JSObject> g(T.function->context()->global_object()->global_proxy());
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T.CheckCall(g, T.undefined());
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}
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TEST(CallEval) {
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FunctionTester T(
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"var x = 42;"
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"(function () {"
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"function bar() { return eval('x') };"
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"return bar;"
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"})();");
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T.CheckCall(T.Val(42), T.Val("x"), T.undefined());
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}
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TEST(ContextLoadedFromActivation) {
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const char* script =
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"var x = 42;"
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"(function() {"
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" return function () { return x };"
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"})()";
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// Disable context specialization.
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FunctionTester T(script);
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v8::Local<v8::Context> context = v8::Context::New(CcTest::isolate());
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v8::Context::Scope scope(context);
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v8::Local<v8::Value> value = CompileRun(script);
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i::Handle<i::Object> ofun = v8::Utils::OpenHandle(*value);
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i::Handle<i::JSFunction> jsfun = Handle<JSFunction>::cast(ofun);
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jsfun->set_code(T.function->code());
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jsfun->set_shared(T.function->shared());
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context->Global()->Set(v8_str("foo"), v8::Utils::ToLocal(jsfun));
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CompileRun("var x = 24;");
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ExpectInt32("foo();", 24);
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}
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TEST(BuiltinLoadedFromActivation) {
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const char* script =
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"var x = 42;"
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"(function() {"
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" return function () { return this; };"
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"})()";
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// Disable context specialization.
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FunctionTester T(script);
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v8::Local<v8::Context> context = v8::Context::New(CcTest::isolate());
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v8::Context::Scope scope(context);
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v8::Local<v8::Value> value = CompileRun(script);
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i::Handle<i::Object> ofun = v8::Utils::OpenHandle(*value);
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i::Handle<i::JSFunction> jsfun = Handle<JSFunction>::cast(ofun);
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jsfun->set_code(T.function->code());
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jsfun->set_shared(T.function->shared());
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context->Global()->Set(v8_str("foo"), v8::Utils::ToLocal(jsfun));
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CompileRun("var x = 24;");
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ExpectObject("foo()", context->Global());
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}
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