b9972cee6e
Summary: @public Adjust license headers throughout the project Reviewed By: SidharthGuglani Differential Revision: D13255691 fbshipit-source-id: 98be2aa372a94e7a54a65e3d64e5c6a436b18083
111 lines
3.6 KiB
C++
111 lines
3.6 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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static std::vector<YGNodeRef> getChildren(YGNodeRef const node)
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{
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const uint32_t count = YGNodeGetChildCount(node);
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std::vector<YGNodeRef> children;
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children.reserve(count);
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for (uint32_t i = 0 ; i < count ; i++) {
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children.push_back(YGNodeGetChild(node, i));
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}
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return children;
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}
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TEST(YogaTest, set_children_adds_children_to_parent) {
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YGNodeRef const root = YGNodeNew();
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YGNodeRef const root_child0 = YGNodeNew();
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YGNodeRef const root_child1 = YGNodeNew();
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YGNodeSetChildren(root, {root_child0, root_child1});
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const std::vector<YGNodeRef> children = getChildren(root);
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const std::vector<YGNodeRef> expectedChildren = {root_child0, root_child1};
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ASSERT_EQ(children, expectedChildren);
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const std::vector<YGNodeRef> owners = {YGNodeGetOwner(root_child0), YGNodeGetOwner(root_child1)};
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const std::vector<YGNodeRef> expectedOwners = {root, root};
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ASSERT_EQ(owners, expectedOwners);
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YGNodeFreeRecursive(root);
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}
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TEST(YogaTest, set_children_to_empty_removes_old_children) {
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YGNodeRef const root = YGNodeNew();
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YGNodeRef const root_child0 = YGNodeNew();
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YGNodeRef const root_child1 = YGNodeNew();
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YGNodeSetChildren(root, {root_child0, root_child1});
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YGNodeSetChildren(root, {});
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const std::vector<YGNodeRef> children = getChildren(root);
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const std::vector<YGNodeRef> expectedChildren = {};
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ASSERT_EQ(children, expectedChildren);
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const std::vector<YGNodeRef> owners = {YGNodeGetOwner(root_child0), YGNodeGetOwner(root_child1)};
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const std::vector<YGNodeRef> expectedOwners = {nullptr, nullptr};
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ASSERT_EQ(owners, expectedOwners);
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YGNodeFreeRecursive(root);
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}
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TEST(YogaTest, set_children_replaces_non_common_children) {
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YGNodeRef const root = YGNodeNew();
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YGNodeRef const root_child0 = YGNodeNew();
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YGNodeRef const root_child1 = YGNodeNew();
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YGNodeSetChildren(root, {root_child0, root_child1});
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YGNodeRef const root_child2 = YGNodeNew();
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YGNodeRef const root_child3 = YGNodeNew();
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YGNodeSetChildren(root, {root_child2, root_child3});
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const std::vector<YGNodeRef> children = getChildren(root);
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const std::vector<YGNodeRef> expectedChildren = {root_child2, root_child3};
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ASSERT_EQ(children, expectedChildren);
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const std::vector<YGNodeRef> owners = {YGNodeGetOwner(root_child0), YGNodeGetOwner(root_child1)};
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const std::vector<YGNodeRef> expectedOwners = {nullptr, nullptr};
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ASSERT_EQ(owners, expectedOwners);
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YGNodeFreeRecursive(root);
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YGNodeFree(root_child0);
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YGNodeFree(root_child1);
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}
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TEST(YogaTest, set_children_keeps_and_reorders_common_children) {
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YGNodeRef const root = YGNodeNew();
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YGNodeRef const root_child0 = YGNodeNew();
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YGNodeRef const root_child1 = YGNodeNew();
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YGNodeRef const root_child2 = YGNodeNew();
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YGNodeSetChildren(root, {root_child0, root_child1, root_child2});
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YGNodeRef const root_child3 = YGNodeNew();
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YGNodeSetChildren(root, {root_child2, root_child1, root_child3});
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const std::vector<YGNodeRef> children = getChildren(root);
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const std::vector<YGNodeRef> expectedChildren = {root_child2, root_child1, root_child3};
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ASSERT_EQ(children, expectedChildren);
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const std::vector<YGNodeRef> owners = {
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YGNodeGetOwner(root_child0),
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YGNodeGetOwner(root_child1),
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YGNodeGetOwner(root_child2),
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YGNodeGetOwner(root_child3)
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};
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const std::vector<YGNodeRef> expectedOwners = {nullptr, root, root, root};
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ASSERT_EQ(owners, expectedOwners);
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YGNodeFreeRecursive(root);
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YGNodeFree(root_child0);
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}
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