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// Copyright 2016 The Chromium 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 "core/timing/PerformanceObserver.h"
#include "bindings/core/v8/PerformanceObserverCallback.h"
#include "bindings/core/v8/V8BindingForTesting.h"
#include "core/timing/Performance.h"
#include "core/timing/PerformanceBase.h"
#include "core/timing/PerformanceMark.h"
#include "core/timing/PerformanceObserverInit.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace blink {
class MockPerformanceBase : public PerformanceBase {
public:
MockPerformanceBase() : PerformanceBase(0) {}
~MockPerformanceBase() {}
ExecutionContext* getExecutionContext() const override { return nullptr; }
};
class PerformanceObserverTest : public ::testing::Test {
protected:
void initialize(ScriptState* scriptState) {
v8::Local<v8::Function> callback =
v8::Function::New(scriptState->context(), nullptr).ToLocalChecked();
m_base = new MockPerformanceBase();
m_cb = PerformanceObserverCallback::create(scriptState, callback);
m_observer = PerformanceObserver::create(scriptState->getExecutionContext(),
m_base, m_cb);
}
bool isRegistered() { return m_observer->m_isRegistered; }
int numPerformanceEntries() {
return m_observer->m_performanceEntries.size();
}
void deliver() { m_observer->deliver(); }
Persistent<MockPerformanceBase> m_base;
Persistent<PerformanceObserverCallback> m_cb;
Persistent<PerformanceObserver> m_observer;
};
TEST_F(PerformanceObserverTest, Observe) {
V8TestingScope scope;
initialize(scope.getScriptState());
NonThrowableExceptionState exceptionState;
PerformanceObserverInit options;
Vector<String> entryTypeVec;
entryTypeVec.push_back("mark");
options.setEntryTypes(entryTypeVec);
m_observer->observe(options, exceptionState);
EXPECT_TRUE(isRegistered());
}
TEST_F(PerformanceObserverTest, Enqueue) {
V8TestingScope scope;
initialize(scope.getScriptState());
Persistent<PerformanceEntry> entry = PerformanceMark::create("m", 1234);
EXPECT_EQ(0, numPerformanceEntries());
m_observer->enqueuePerformanceEntry(*entry);
EXPECT_EQ(1, numPerformanceEntries());
}
TEST_F(PerformanceObserverTest, Deliver) {
V8TestingScope scope;
initialize(scope.getScriptState());
Persistent<PerformanceEntry> entry = PerformanceMark::create("m", 1234);
EXPECT_EQ(0, numPerformanceEntries());
m_observer->enqueuePerformanceEntry(*entry);
EXPECT_EQ(1, numPerformanceEntries());
deliver();
EXPECT_EQ(0, numPerformanceEntries());
}
TEST_F(PerformanceObserverTest, Disconnect) {
V8TestingScope scope;
initialize(scope.getScriptState());
Persistent<PerformanceEntry> entry = PerformanceMark::create("m", 1234);
EXPECT_EQ(0, numPerformanceEntries());
m_observer->enqueuePerformanceEntry(*entry);
EXPECT_EQ(1, numPerformanceEntries());
m_observer->disconnect();
EXPECT_FALSE(isRegistered());
EXPECT_EQ(0, numPerformanceEntries());
}
}
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