6e04631862
Summary: @public Test utility on top of the new event system that maintains a counter of instantiated nodes. Meant to replace the global node counter. Reviewed By: SidharthGuglani Differential Revision: D15174855 fbshipit-source-id: 6998472f95a09b8da652257a26596164bdcf43d6
115 lines
2.7 KiB
C++
115 lines
2.7 KiB
C++
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the LICENSE
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* file in the root directory of this source tree.
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*/
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#include <gtest/gtest.h>
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#include <yoga/Yoga.h>
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#include <yoga/events.h>
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#include <yoga/YGNode.h>
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#include <yoga/testutil/testutil.h>
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#include <functional>
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#include <memory>
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namespace facebook {
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namespace yoga {
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namespace test {
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struct EventArgs {
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const YGNode* node;
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Event::Type type;
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std::unique_ptr<void, std::function<void(void*)>> dataPtr;
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template <Event::Type E>
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const Event::TypedData<E>& data() {
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return *static_cast<Event::TypedData<E>*>(dataPtr.get());
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}
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};
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class EventTest : public ::testing::Test {
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ScopedEventSubscription subscription = {&EventTest::listen};
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static void listen(const YGNode&, Event::Type, Event::Data);
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public:
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static EventArgs lastEvent;
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};
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TEST_F(EventTest, new_node_has_event) {
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auto c = YGConfigGetDefault();
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auto n = YGNodeNew();
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ASSERT_EQ(lastEvent.node, n);
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ASSERT_EQ(lastEvent.type, Event::NodeAllocation);
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ASSERT_EQ(lastEvent.data<Event::NodeAllocation>().config, c);
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YGNodeFree(n);
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}
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TEST_F(EventTest, new_node_with_config_event) {
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auto c = YGConfigNew();
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auto n = YGNodeNewWithConfig(c);
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ASSERT_EQ(lastEvent.node, n);
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ASSERT_EQ(lastEvent.type, Event::NodeAllocation);
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ASSERT_EQ(lastEvent.data<Event::NodeAllocation>().config, c);
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YGNodeFree(n);
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YGConfigFree(c);
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}
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TEST_F(EventTest, clone_node_event) {
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auto c = YGConfigNew();
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auto n = YGNodeNewWithConfig(c);
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auto clone = YGNodeClone(n);
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ASSERT_EQ(lastEvent.node, clone);
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ASSERT_EQ(lastEvent.type, Event::NodeAllocation);
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ASSERT_EQ(lastEvent.data<Event::NodeAllocation>().config, c);
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YGNodeFree(n);
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YGNodeFree(clone);
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YGConfigFree(c);
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}
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TEST_F(EventTest, free_node_event) {
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auto c = YGConfigNew();
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auto n = YGNodeNewWithConfig(c);
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YGNodeFree(n);
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ASSERT_EQ(lastEvent.node, n);
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ASSERT_EQ(lastEvent.type, Event::NodeDeallocation);
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ASSERT_EQ(lastEvent.data<Event::NodeDeallocation>().config, c);
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YGConfigFree(c);
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}
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namespace {
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template <Event::Type E>
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EventArgs createArgs(const YGNode& node, const Event::Data& data) {
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using Data = Event::TypedData<E>;
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auto deleteData = [](void* x) { delete static_cast<Data*>(x); };
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return {&node, E, {new Data{data.get<E>()}, deleteData}};
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}
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} // namespace
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void EventTest::listen(const YGNode& node, Event::Type type, Event::Data data) {
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switch (type) {
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case Event::NodeAllocation:
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lastEvent = createArgs<Event::NodeAllocation>(node, data);
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break;
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case Event::NodeDeallocation:
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lastEvent = createArgs<Event::NodeDeallocation>(node, data);
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break;
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}
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}
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EventArgs EventTest::lastEvent{};
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} // namespace test
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} // namespace yoga
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} // namespace facebook
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