v8/test/cctest/test-usecounters.cc
Yang Guo f9a88acbc9 Move remaining files in src/
TBR=mvstanton@chromium.org,neis@chromium.org,ahaas@chromium.org

Bug: v8:9247
Change-Id: I5433c863a54f3412d73df0d38aba3fdbcfac7ebe
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1627973
Commit-Queue: Yang Guo <yangguo@chromium.org>
Auto-Submit: Yang Guo <yangguo@chromium.org>
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Cr-Commit-Position: refs/heads/master@{#61830}
2019-05-24 18:24:36 +00:00

121 lines
5.2 KiB
C++

// Copyright 2016 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 "src/init/v8.h"
#include "test/cctest/cctest.h"
namespace v8 {
namespace internal {
namespace test_usecounters {
int* global_use_counts = nullptr;
void MockUseCounterCallback(v8::Isolate* isolate,
v8::Isolate::UseCounterFeature feature) {
++global_use_counts[feature];
}
TEST(AssigmentExpressionLHSIsCall) {
v8::Isolate* isolate = CcTest::isolate();
v8::HandleScope scope(isolate);
LocalContext env;
int use_counts[v8::Isolate::kUseCounterFeatureCount] = {};
global_use_counts = use_counts;
CcTest::isolate()->SetUseCounterCallback(MockUseCounterCallback);
// AssignmentExpressions whose LHS is not a call do not increment counters
CompileRun("function f(){ a = 0; a()[b] = 0; }");
CHECK_EQ(0, use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInSloppy]);
CHECK_EQ(0, use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInStrict]);
CompileRun("function f(){ ++a; ++a()[b]; }");
CHECK_EQ(0, use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInSloppy]);
CHECK_EQ(0, use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInStrict]);
CompileRun("function f(){ 'use strict'; a = 0; a()[b] = 0; }");
CHECK_EQ(0, use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInSloppy]);
CHECK_EQ(0, use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInStrict]);
CompileRun("function f(){ 'use strict'; ++a; ++a()[b]; }");
CHECK_EQ(0, use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInSloppy]);
CHECK_EQ(0, use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInStrict]);
// AssignmentExpressions whose LHS is a call increment appropriate counters
CompileRun("function f(){ a() = 0; }");
CHECK_NE(0, use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInSloppy]);
CHECK_EQ(0, use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInStrict]);
use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInSloppy] = 0;
CompileRun("function f(){ 'use strict'; a() = 0; }");
CHECK_EQ(0, use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInSloppy]);
CHECK_NE(0, use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInStrict]);
use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInStrict] = 0;
// UpdateExpressions whose LHS is a call increment appropriate counters
CompileRun("function f(){ ++a(); }");
CHECK_NE(0, use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInSloppy]);
CHECK_EQ(0, use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInStrict]);
use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInSloppy] = 0;
CompileRun("function f(){ 'use strict'; ++a(); }");
CHECK_EQ(0, use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInSloppy]);
CHECK_NE(0, use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInStrict]);
use_counts[v8::Isolate::kAssigmentExpressionLHSIsCallInStrict] = 0;
}
TEST(AtomicsWakeAndAtomicsNotify) {
v8::Isolate* isolate = CcTest::isolate();
v8::HandleScope scope(isolate);
LocalContext env;
int use_counts[v8::Isolate::kUseCounterFeatureCount] = {};
global_use_counts = use_counts;
i::FLAG_harmony_sharedarraybuffer = true;
CcTest::isolate()->SetUseCounterCallback(MockUseCounterCallback);
CompileRun("Atomics.wake(new Int32Array(new SharedArrayBuffer(16)), 0);");
CHECK_EQ(1, use_counts[v8::Isolate::kAtomicsWake]);
CHECK_EQ(0, use_counts[v8::Isolate::kAtomicsNotify]);
use_counts[v8::Isolate::kAtomicsWake] = 0;
use_counts[v8::Isolate::kAtomicsNotify] = 0;
CompileRun("Atomics.notify(new Int32Array(new SharedArrayBuffer(16)), 0);");
CHECK_EQ(0, use_counts[v8::Isolate::kAtomicsWake]);
CHECK_EQ(1, use_counts[v8::Isolate::kAtomicsNotify]);
}
TEST(RegExpMatchIsTrueishOnNonJSRegExp) {
v8::Isolate* isolate = CcTest::isolate();
v8::HandleScope scope(isolate);
LocalContext env;
int use_counts[v8::Isolate::kUseCounterFeatureCount] = {};
global_use_counts = use_counts;
CcTest::isolate()->SetUseCounterCallback(MockUseCounterCallback);
CompileRun("new RegExp(/./); new RegExp('');");
CHECK_EQ(0, use_counts[v8::Isolate::kRegExpMatchIsTrueishOnNonJSRegExp]);
CHECK_EQ(0, use_counts[v8::Isolate::kRegExpMatchIsFalseishOnJSRegExp]);
CompileRun("let p = { [Symbol.match]: true }; new RegExp(p);");
CHECK_EQ(1, use_counts[v8::Isolate::kRegExpMatchIsTrueishOnNonJSRegExp]);
CHECK_EQ(0, use_counts[v8::Isolate::kRegExpMatchIsFalseishOnJSRegExp]);
}
TEST(RegExpMatchIsFalseishOnJSRegExp) {
v8::Isolate* isolate = CcTest::isolate();
v8::HandleScope scope(isolate);
LocalContext env;
int use_counts[v8::Isolate::kUseCounterFeatureCount] = {};
global_use_counts = use_counts;
CcTest::isolate()->SetUseCounterCallback(MockUseCounterCallback);
CompileRun("new RegExp(/./); new RegExp('');");
CHECK_EQ(0, use_counts[v8::Isolate::kRegExpMatchIsTrueishOnNonJSRegExp]);
CHECK_EQ(0, use_counts[v8::Isolate::kRegExpMatchIsFalseishOnJSRegExp]);
CompileRun("let p = /./; p[Symbol.match] = false; new RegExp(p);");
CHECK_EQ(0, use_counts[v8::Isolate::kRegExpMatchIsTrueishOnNonJSRegExp]);
CHECK_EQ(1, use_counts[v8::Isolate::kRegExpMatchIsFalseishOnJSRegExp]);
}
} // namespace test_usecounters
} // namespace internal
} // namespace v8