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[regexp] add test for termination for long-running regexps.

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R=jgruber@chromium.org

Change-Id: I9def56aa65e742f24ecfc25a01b20389e8867dc2
Reviewed-on: https://chromium-review.googlesource.com/931061
Reviewed-by: Yang Guo <yangguo@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51465}
This commit is contained in:
Yang Guo 2018-02-22 11:34:53 +01:00 committed by Commit Bot
parent 5da78ea40b
commit d80e1f47ed
1 changed files with 39 additions and 0 deletions
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39
test/cctest/test-thread-termination.cc
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@ -615,3 +615,42 @@ TEST(TerminateConsole) {
CHECK(try_catch.HasCaught());
CHECK(!isolate->IsExecutionTerminating());
}
class TerminatorSleeperThread : public v8::base::Thread {
public:
explicit TerminatorSleeperThread(v8::Isolate* isolate, int sleep_ms)
: Thread(Options("TerminatorSlepperThread")),
isolate_(isolate),
sleep_ms_(sleep_ms) {}
void Run() {
v8::base::OS::Sleep(v8::base::TimeDelta::FromMilliseconds(sleep_ms_));
CHECK(!isolate_->IsExecutionTerminating());
isolate_->TerminateExecution();
}
private:
v8::Isolate* isolate_;
int sleep_ms_;
};
TEST(TerminateRegExp) {
i::FLAG_allow_natives_syntax = true;
v8::Isolate* isolate = CcTest::isolate();
ConsoleImpl console;
v8::debug::SetConsoleDelegate(isolate, &console);
v8::HandleScope scope(isolate);
v8::Local<v8::ObjectTemplate> global = CreateGlobalTemplate(
isolate, TerminateCurrentThread, DoLoopCancelTerminate);
v8::Local<v8::Context> context = v8::Context::New(isolate, nullptr, global);
v8::Context::Scope context_scope(context);
CHECK(!isolate->IsExecutionTerminating());
v8::TryCatch try_catch(isolate);
CHECK(!isolate->IsExecutionTerminating());
CHECK(!CompileRun("var re = /(x+)+y$/; re.test('x');").IsEmpty());
TerminatorSleeperThread terminator(isolate, 100);
terminator.Start();
CHECK(CompileRun("re.test('xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx'); fail();")
.IsEmpty());
CHECK(try_catch.HasCaught());
CHECK(!isolate->IsExecutionTerminating());
}