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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/dom/custom/CustomElementDefinition.h"
#include "core/dom/Node.h" // CustomElementState
#include "core/dom/custom/CEReactionsScope.h"
#include "core/dom/custom/CustomElementDescriptor.h"
#include "core/dom/custom/CustomElementReactionTestHelpers.h"
#include "core/dom/custom/CustomElementTestHelpers.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace blink {
namespace {
class ConstructorFails : public TestCustomElementDefinition {
WTF_MAKE_NONCOPYABLE(ConstructorFails);
public:
ConstructorFails(const CustomElementDescriptor& descriptor)
: TestCustomElementDefinition(descriptor) {}
~ConstructorFails() override = default;
bool runConstructor(Element*) override { return false; }
};
} // namespace
TEST(CustomElementDefinitionTest, upgrade_clearsReactionQueueOnFailure) {
Element* element = CreateElement("a-a");
EXPECT_EQ(CustomElementState::Undefined, element->getCustomElementState())
<< "sanity check: this element should be ready to upgrade";
{
CEReactionsScope reactions;
reactions.enqueueToCurrentQueue(
element, new TestReaction({new Unreached(
"upgrade failure should clear the reaction queue")}));
ConstructorFails definition(CustomElementDescriptor("a-a", "a-a"));
definition.upgrade(element);
}
EXPECT_EQ(CustomElementState::Failed, element->getCustomElementState())
<< "failing to construct should have set the 'failed' element state";
}
TEST(CustomElementDefinitionTest,
upgrade_clearsReactionQueueOnFailure_backupStack) {
Element* element = CreateElement("a-a");
EXPECT_EQ(CustomElementState::Undefined, element->getCustomElementState())
<< "sanity check: this element should be ready to upgrade";
ResetCustomElementReactionStackForTest resetReactionStack;
resetReactionStack.stack().enqueueToBackupQueue(
element, new TestReaction({new Unreached(
"upgrade failure should clear the reaction queue")}));
ConstructorFails definition(CustomElementDescriptor("a-a", "a-a"));
definition.upgrade(element);
EXPECT_EQ(CustomElementState::Failed, element->getCustomElementState())
<< "failing to construct should have set the 'failed' element state";
}
} // namespace blink
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