v8/test/unittests/api/exception-unittest.cc

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// Copyright 2017 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/v8.h"
#include "src/flags.h"
#include "test/unittests/test-utils.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace v8 {
namespace {
using APIExceptionTest = TestWithIsolate;
class ScopedExposeGc {
public:
ScopedExposeGc() : was_exposed_(i::FLAG_expose_gc) {
i::FLAG_expose_gc = true;
}
~ScopedExposeGc() { i::FLAG_expose_gc = was_exposed_; }
private:
const bool was_exposed_;
};
TEST_F(APIExceptionTest, ExceptionMessageDoesNotKeepContextAlive) {
ScopedExposeGc expose_gc;
Persistent<Context> weak_context;
{
HandleScope handle_scope(isolate());
Local<Context> context = Context::New(isolate());
weak_context.Reset(isolate(), context);
weak_context.SetWeak();
Context::Scope context_scope(context);
TryCatch try_catch(isolate());
isolate()->ThrowException(Undefined(isolate()));
}
isolate()->RequestGarbageCollectionForTesting(
Isolate::kFullGarbageCollection);
EXPECT_TRUE(weak_context.IsEmpty());
}
} // namespace
} // namespace v8