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yoga/tests/YGCloneNodeTest.cpp

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/*
* Copyright (c) Meta Platforms, Inc. and 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/Yoga.h>
static void recursivelyAssertProperNodeOwnership(YGNodeRef node) {
for (size_t i = 0; i < YGNodeGetChildCount(node); ++i) {
const auto child = YGNodeGetChild(node, i);
ASSERT_EQ(node, YGNodeGetOwner(child));
recursivelyAssertProperNodeOwnership(child);
}
}
TEST(YogaTest, absolute_node_cloned_with_static_parent) {
YGNodeRef root = YGNodeNew();
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
YGNodeRef root_child0 = YGNodeNew();
YGNodeStyleSetPositionType(root_child0, YGPositionTypeStatic);
YGNodeStyleSetWidth(root_child0, 10);
YGNodeStyleSetHeight(root_child0, 10);
YGNodeInsertChild(root, root_child0, 0);
YGNodeRef root_child0_child0 = YGNodeNew();
YGNodeStyleSetPositionType(root_child0_child0, YGPositionTypeAbsolute);
YGNodeStyleSetWidthPercent(root_child0_child0, 1);
YGNodeStyleSetHeight(root_child0_child0, 1);
YGNodeInsertChild(root_child0, root_child0_child0, 0);
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
YGNodeRef clonedRoot = YGNodeClone(root);
YGNodeStyleSetWidth(clonedRoot, 110);
YGNodeCalculateLayout(clonedRoot, YGUndefined, YGUndefined, YGDirectionLTR);
recursivelyAssertProperNodeOwnership(clonedRoot);
YGNodeFreeRecursive(root);
YGNodeFreeRecursive(clonedRoot);
}
TEST(YogaTest, absolute_node_cloned_with_static_ancestors) {
YGNodeRef root = YGNodeNew();
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
YGNodeRef root_child0 = YGNodeNew();
YGNodeStyleSetPositionType(root_child0, YGPositionTypeStatic);
YGNodeStyleSetWidth(root_child0, 50);
YGNodeStyleSetHeight(root_child0, 50);
YGNodeInsertChild(root, root_child0, 0);
YGNodeRef root_child0_child0 = YGNodeNew();
YGNodeStyleSetPositionType(root_child0_child0, YGPositionTypeStatic);
YGNodeStyleSetWidth(root_child0_child0, 40);
YGNodeStyleSetHeight(root_child0_child0, 40);
YGNodeInsertChild(root_child0, root_child0_child0, 0);
YGNodeRef root_child0_child0_child0 = YGNodeNew();
YGNodeStyleSetPositionType(root_child0_child0_child0, YGPositionTypeStatic);
YGNodeStyleSetWidth(root_child0_child0_child0, 30);
YGNodeStyleSetHeight(root_child0_child0_child0, 30);
YGNodeInsertChild(root_child0_child0, root_child0_child0_child0, 0);
YGNodeRef root_child0_child0_child0_child0 = YGNodeNew();
YGNodeStyleSetPositionType(
root_child0_child0_child0_child0, YGPositionTypeAbsolute);
YGNodeStyleSetWidthPercent(root_child0_child0_child0_child0, 1);
YGNodeStyleSetHeight(root_child0_child0_child0_child0, 1);
YGNodeInsertChild(
root_child0_child0_child0, root_child0_child0_child0_child0, 0);
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
YGNodeRef clonedRoot = YGNodeClone(root);
YGNodeStyleSetWidth(clonedRoot, 110);
YGNodeCalculateLayout(clonedRoot, YGUndefined, YGUndefined, YGDirectionLTR);
recursivelyAssertProperNodeOwnership(clonedRoot);
YGNodeFreeRecursive(root);
YGNodeFreeRecursive(clonedRoot);
}