Files
react-native/ReactCommon/react/renderer/core/tests/traitCastTest.cpp
T
David Vacca 3093010ea5 move fabric to ReactCommon/react/renderer
Summary:
This diff moves fabric C++ code from ReactCommon/fabric to ReactCommon/react/renderer
As part of this diff I also refactored components, codegen and callsites on CatalystApp, FB4A and venice

Script: P137350694

changelog: [internal] internal refactor

Reviewed By: fkgozali

Differential Revision: D22852139

fbshipit-source-id: f85310ba858b6afd81abfd9cbe6d70b28eca7415
2020-07-31 13:34:29 -07:00

106 lines
4.1 KiB
C++

/*
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#include <gtest/gtest.h>
#include <react/renderer/components/scrollview/ScrollViewComponentDescriptor.h>
#include <react/renderer/components/text/ParagraphComponentDescriptor.h>
#include <react/renderer/components/text/RawTextComponentDescriptor.h>
#include <react/renderer/components/text/TextComponentDescriptor.h>
#include <react/renderer/components/view/ViewComponentDescriptor.h>
#include <react/renderer/element/Element.h>
#include <react/renderer/element/testUtils.h>
using namespace facebook::react;
TEST(traitCastTest, testOne) {
auto builder = simpleComponentBuilder();
auto viewShadowNode = std::shared_ptr<ViewShadowNode>{};
auto scrollViewShadowNode = std::shared_ptr<ScrollViewShadowNode>{};
auto paragraphShadowNode = std::shared_ptr<ParagraphShadowNode>{};
auto textShadowNode = std::shared_ptr<TextShadowNode>{};
auto rawTextShadowNode = std::shared_ptr<RawTextShadowNode>{};
// clang-format off
auto element =
Element<ScrollViewShadowNode>()
.reference(scrollViewShadowNode)
.children({
Element<ParagraphShadowNode>()
.reference(paragraphShadowNode)
.children({
Element<TextShadowNode>()
.reference(textShadowNode),
Element<RawTextShadowNode>()
.reference(rawTextShadowNode)
}),
Element<ViewShadowNode>()
.reference(viewShadowNode),
});
// clang-format on
auto rootShadowNode = builder.build(element);
// Casting `nullptr` returns `nullptrs`.
EXPECT_FALSE(traitCast<LayoutableShadowNode const *>(nullptr));
EXPECT_FALSE(traitCast<YogaLayoutableShadowNode const *>(nullptr));
// `ViewShadowNode` is `LayoutableShadowNode` and `YogaLayoutableShadowNode`.
EXPECT_TRUE(traitCast<LayoutableShadowNode const *>(viewShadowNode.get()));
EXPECT_TRUE(
traitCast<YogaLayoutableShadowNode const *>(viewShadowNode.get()));
EXPECT_NO_FATAL_FAILURE(
traitCast<LayoutableShadowNode const &>(*viewShadowNode));
EXPECT_NO_FATAL_FAILURE(
traitCast<YogaLayoutableShadowNode const &>(*viewShadowNode));
// `ScrollViewShadowNode` is `LayoutableShadowNode` and
// `YogaLayoutableShadowNode`.
EXPECT_TRUE(
traitCast<LayoutableShadowNode const *>(scrollViewShadowNode.get()));
EXPECT_TRUE(
traitCast<YogaLayoutableShadowNode const *>(scrollViewShadowNode.get()));
EXPECT_NO_FATAL_FAILURE(
traitCast<LayoutableShadowNode const &>(*scrollViewShadowNode));
EXPECT_NO_FATAL_FAILURE(
traitCast<YogaLayoutableShadowNode const &>(*scrollViewShadowNode));
// `ParagraphShadowNode` is `LayoutableShadowNode` and
// `YogaLayoutableShadowNode`.
EXPECT_TRUE(
traitCast<LayoutableShadowNode const *>(paragraphShadowNode.get()));
EXPECT_TRUE(
traitCast<YogaLayoutableShadowNode const *>(paragraphShadowNode.get()));
EXPECT_NO_FATAL_FAILURE(
traitCast<LayoutableShadowNode const &>(*paragraphShadowNode));
EXPECT_NO_FATAL_FAILURE(
traitCast<YogaLayoutableShadowNode const &>(*paragraphShadowNode));
// `TextShadowNode` is *not* `LayoutableShadowNode` nor
// `YogaLayoutableShadowNode`.
EXPECT_FALSE(traitCast<LayoutableShadowNode const *>(textShadowNode.get()));
EXPECT_FALSE(
traitCast<YogaLayoutableShadowNode const *>(textShadowNode.get()));
EXPECT_DEATH_IF_SUPPORTED(
traitCast<LayoutableShadowNode const &>(*textShadowNode), "");
EXPECT_DEATH_IF_SUPPORTED(
traitCast<YogaLayoutableShadowNode const &>(*textShadowNode), "");
// `RawTextShadowNode` is *not* `LayoutableShadowNode` nor
// `YogaLayoutableShadowNode`.
EXPECT_FALSE(
traitCast<LayoutableShadowNode const *>(rawTextShadowNode.get()));
EXPECT_FALSE(
traitCast<YogaLayoutableShadowNode const *>(rawTextShadowNode.get()));
EXPECT_DEATH_IF_SUPPORTED(
traitCast<LayoutableShadowNode const &>(*rawTextShadowNode), "");
EXPECT_DEATH_IF_SUPPORTED(
traitCast<YogaLayoutableShadowNode const &>(*rawTextShadowNode), "");
}