Files
yoga/tests/YGLayoutDiffingTest.cpp
Rain ⁣ a4bdd9cd9b standardize C-like MIT copyright headers throughout fbsource
Summary:
`/*` is the standard throughout open source code. For example, Firefox uses single /*: https://hg.mozilla.org/mozilla-central/file/21d22b2f541258d3d1cf96c7ba5ad73e96e616b5/gfx/ipc/CompositorWidgetVsyncObserver.cpp#l3

In addition, Rust considers `/**` to be a doc comment (similar to Javadoc) and having such a comment at the beginning of the file causes `rustc` to barf.

Note that some JavaScript tooling requires `/**`. This is OK since JavaScript files were not covered by the linter in the first place, but it would be good to have that tooling fixed too.

Reviewed By: zertosh

Differential Revision: D15640366

fbshipit-source-id: b4ed4599071516364d6109720750d6a43304c089
2019-06-06 19:44:16 -07:00

92 lines
3.4 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 <yoga/testutil/testutil.h>
#include <yoga/YGNode.h>
#include <yoga/Yoga.h>
using facebook::yoga::test::TestUtil;
TEST(YogaTest, assert_layout_trees_are_same) {
TestUtil::startCountingNodes();
YGConfig* config = YGConfigNew();
YGConfigSetUseLegacyStretchBehaviour(config, true);
const YGNodeRef root1 = YGNodeNewWithConfig(config);
YGNodeStyleSetWidth(root1, 500);
YGNodeStyleSetHeight(root1, 500);
const YGNodeRef root1_child0 = YGNodeNewWithConfig(config);
YGNodeStyleSetAlignItems(root1_child0, YGAlignFlexStart);
YGNodeInsertChild(root1, root1_child0, 0);
const YGNodeRef root1_child0_child0 = YGNodeNewWithConfig(config);
YGNodeStyleSetFlexGrow(root1_child0_child0, 1);
YGNodeStyleSetFlexShrink(root1_child0_child0, 1);
YGNodeInsertChild(root1_child0, root1_child0_child0, 0);
const YGNodeRef root1_child0_child0_child0 = YGNodeNewWithConfig(config);
YGNodeStyleSetFlexGrow(root1_child0_child0_child0, 1);
YGNodeStyleSetFlexShrink(root1_child0_child0_child0, 1);
YGNodeInsertChild(root1_child0_child0, root1_child0_child0_child0, 0);
const int32_t cal1_configInstanceCount = YGConfigGetInstanceCount();
const int32_t cal1_nodeInstanceCount = TestUtil::nodeCount();
YGNodeCalculateLayout(root1, YGUndefined, YGUndefined, YGDirectionLTR);
ASSERT_EQ(YGConfigGetInstanceCount(), cal1_configInstanceCount);
ASSERT_EQ(TestUtil::nodeCount(), cal1_nodeInstanceCount);
const YGNodeRef root2 = YGNodeNewWithConfig(config);
YGNodeStyleSetWidth(root2, 500);
YGNodeStyleSetHeight(root2, 500);
const YGNodeRef root2_child0 = YGNodeNewWithConfig(config);
YGNodeStyleSetAlignItems(root2_child0, YGAlignFlexStart);
YGNodeInsertChild(root2, root2_child0, 0);
const YGNodeRef root2_child0_child0 = YGNodeNewWithConfig(config);
YGNodeStyleSetFlexGrow(root2_child0_child0, 1);
YGNodeStyleSetFlexShrink(root2_child0_child0, 1);
YGNodeInsertChild(root2_child0, root2_child0_child0, 0);
const YGNodeRef root2_child0_child0_child0 = YGNodeNewWithConfig(config);
YGNodeStyleSetFlexGrow(root2_child0_child0_child0, 1);
YGNodeStyleSetFlexShrink(root2_child0_child0_child0, 1);
YGNodeInsertChild(root2_child0_child0, root2_child0_child0_child0, 0);
const int32_t cal2_configInstanceCount = YGConfigGetInstanceCount();
const int32_t cal2_nodeInstanceCount = TestUtil::nodeCount();
YGNodeCalculateLayout(root2, YGUndefined, YGUndefined, YGDirectionLTR);
ASSERT_EQ(YGConfigGetInstanceCount(), cal2_configInstanceCount);
ASSERT_EQ(TestUtil::nodeCount(), cal2_nodeInstanceCount);
ASSERT_TRUE(YGNodeLayoutGetDidUseLegacyFlag(root1));
ASSERT_TRUE(YGNodeLayoutGetDidUseLegacyFlag(root2));
ASSERT_TRUE(root1->isLayoutTreeEqualToNode(*root2));
YGNodeStyleSetAlignItems(root2, YGAlignFlexEnd);
const int32_t cal3_configInstanceCount = YGConfigGetInstanceCount();
const int32_t cal3_nodeInstanceCount = TestUtil::nodeCount();
YGNodeCalculateLayout(root2, YGUndefined, YGUndefined, YGDirectionLTR);
ASSERT_EQ(YGConfigGetInstanceCount(), cal3_configInstanceCount);
ASSERT_EQ(TestUtil::stopCountingNodes(), cal3_nodeInstanceCount);
ASSERT_FALSE(root1->isLayoutTreeEqualToNode(*root2));
YGNodeFreeRecursive(root1);
YGNodeFreeRecursive(root2);
YGConfigFree(config);
}