326ae15532
Summary: Run new `format.sh`. Reviewed By: emilsjolander Differential Revision: D4481501 fbshipit-source-id: 5791bee9919b44282d1549029ff8e078f253ddf8
97 lines
2.8 KiB
C++
97 lines
2.8 KiB
C++
/**
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* Copyright (c) 2014-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#include <gtest/gtest.h>
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#include <yoga/Yoga.h>
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TEST(YogaTest, dirty_propagation) {
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const YGNodeRef root = YGNodeNew();
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YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
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YGNodeStyleSetWidth(root, 100);
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YGNodeStyleSetHeight(root, 100);
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const YGNodeRef root_child0 = YGNodeNew();
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YGNodeStyleSetWidth(root_child0, 50);
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YGNodeStyleSetHeight(root_child0, 20);
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YGNodeInsertChild(root, root_child0, 0);
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const YGNodeRef root_child1 = YGNodeNew();
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YGNodeStyleSetWidth(root_child1, 50);
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YGNodeStyleSetHeight(root_child1, 20);
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YGNodeInsertChild(root, root_child1, 1);
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YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
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YGNodeStyleSetWidth(root_child0, 20);
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EXPECT_TRUE(YGNodeIsDirty(root_child0));
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EXPECT_FALSE(YGNodeIsDirty(root_child1));
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EXPECT_TRUE(YGNodeIsDirty(root));
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YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
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EXPECT_FALSE(YGNodeIsDirty(root_child0));
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EXPECT_FALSE(YGNodeIsDirty(root_child1));
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EXPECT_FALSE(YGNodeIsDirty(root));
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YGNodeFreeRecursive(root);
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}
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TEST(YogaTest, dirty_propagation_only_if_prop_changed) {
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const YGNodeRef root = YGNodeNew();
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YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
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YGNodeStyleSetWidth(root, 100);
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YGNodeStyleSetHeight(root, 100);
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const YGNodeRef root_child0 = YGNodeNew();
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YGNodeStyleSetWidth(root_child0, 50);
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YGNodeStyleSetHeight(root_child0, 20);
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YGNodeInsertChild(root, root_child0, 0);
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const YGNodeRef root_child1 = YGNodeNew();
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YGNodeStyleSetWidth(root_child1, 50);
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YGNodeStyleSetHeight(root_child1, 20);
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YGNodeInsertChild(root, root_child1, 1);
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YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
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YGNodeStyleSetWidth(root_child0, 50);
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EXPECT_FALSE(YGNodeIsDirty(root_child0));
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EXPECT_FALSE(YGNodeIsDirty(root_child1));
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EXPECT_FALSE(YGNodeIsDirty(root));
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YGNodeFreeRecursive(root);
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}
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TEST(YogaTest, dirty_node_only_if_children_are_actually_removed) {
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const YGNodeRef root = YGNodeNew();
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YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
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YGNodeStyleSetWidth(root, 50);
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YGNodeStyleSetHeight(root, 50);
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const YGNodeRef child0 = YGNodeNew();
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YGNodeStyleSetWidth(child0, 50);
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YGNodeStyleSetHeight(child0, 25);
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YGNodeInsertChild(root, child0, 0);
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YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
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const YGNodeRef child1 = YGNodeNew();
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YGNodeRemoveChild(root, child1);
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EXPECT_FALSE(YGNodeIsDirty(root));
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YGNodeFree(child1);
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YGNodeRemoveChild(root, child0);
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EXPECT_TRUE(YGNodeIsDirty(root));
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YGNodeFree(child0);
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YGNodeFreeRecursive(root);
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}
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