a0c3797461
TBR=bmeurer@chromium.org,leszeks@chromium.org Bug: v8:9247 Change-Id: I8d14d0192ea8c705f8274e8e61a162531826edb6 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1624220 Reviewed-by: Yang Guo <yangguo@chromium.org> Reviewed-by: Hannes Payer <hpayer@chromium.org> Reviewed-by: Andreas Haas <ahaas@chromium.org> Cr-Commit-Position: refs/heads/master@{#61769}
121 lines
4.1 KiB
C++
121 lines
4.1 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/api/api-inl.h"
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#include "src/objects/objects-inl.h"
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#include "test/cctest/compiler/function-tester.h"
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namespace v8 {
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namespace internal {
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namespace compiler {
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static const char* throws = nullptr;
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static const char* load_tests[] = {"var x = a; r = x",
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"123",
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"0",
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"var x = (r = x)",
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"undefined",
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"undefined",
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"var x = (a?1:2); r = x",
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"1",
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"2",
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"const x = a; r = x",
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"123",
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"0",
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"const x = (a?3:4); r = x",
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"3",
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"4",
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"'use strict'; const x = a; r = x",
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"123",
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"0",
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"'use strict'; const x = (r = x)",
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throws,
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throws,
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"'use strict'; const x = (a?5:6); r = x",
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"5",
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"6",
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"'use strict'; let x = a; r = x",
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"123",
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"0",
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"'use strict'; let x = (r = x)",
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throws,
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throws,
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"'use strict'; let x = (a?7:8); r = x",
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"7",
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"8",
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nullptr};
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static const char* store_tests[] = {
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"var x = 1; x = a; r = x", "123", "0", "var x = (a?(x=4,2):3); r = x", "2",
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"3", "var x = (a?4:5); x = a; r = x", "123", "0",
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// Assignments to 'const' are SyntaxErrors, handled by the parser,
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// hence we cannot test them here because they are early errors.
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"'use strict'; let x = 1; x = a; r = x", "123", "0",
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"'use strict'; let x = (a?(x=4,2):3); r = x", throws, "3",
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"'use strict'; let x = (a?4:5); x = a; r = x", "123", "0", nullptr};
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static void RunVariableTests(const char* source, const char* tests[]) {
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EmbeddedVector<char, 512> buffer;
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for (int i = 0; tests[i] != nullptr; i += 3) {
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SNPrintF(buffer, source, tests[i]);
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PrintF("#%d: %s\n", i / 3, buffer.begin());
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FunctionTester T(buffer.begin());
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// Check function with non-falsey parameter.
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if (tests[i + 1] != throws) {
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Handle<Object> r = v8::Utils::OpenHandle(*CompileRun(tests[i + 1]));
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T.CheckCall(r, T.Val(123), T.Val("result"));
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} else {
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T.CheckThrows(T.Val(123), T.Val("result"));
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}
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// Check function with falsey parameter.
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if (tests[i + 2] != throws) {
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Handle<Object> r = v8::Utils::OpenHandle(*CompileRun(tests[i + 2]));
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T.CheckCall(r, T.Val(0.0), T.Val("result"));
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} else {
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T.CheckThrows(T.Val(0.0), T.Val("result"));
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}
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}
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}
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TEST(StackLoadVariables) {
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const char* source = "(function(a,r) { %s; return r; })";
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RunVariableTests(source, load_tests);
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}
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TEST(ContextLoadVariables) {
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const char* source = "(function(a,r) { %s; function f() {x} return r; })";
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RunVariableTests(source, load_tests);
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}
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TEST(StackStoreVariables) {
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const char* source = "(function(a,r) { %s; return r; })";
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RunVariableTests(source, store_tests);
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}
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TEST(ContextStoreVariables) {
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const char* source = "(function(a,r) { %s; function f() {x} return r; })";
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RunVariableTests(source, store_tests);
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}
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TEST(SelfReferenceVariable) {
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FunctionTester T("(function self() { return self; })");
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T.CheckCall(T.function);
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CompileRun("var self = 'not a function'");
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T.CheckCall(T.function);
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}
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} // namespace compiler
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} // namespace internal
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} // namespace v8
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