a4bdd9cd9b
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
159 lines
5.1 KiB
C++
159 lines
5.1 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/YGNode.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(root_child0->isDirty());
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EXPECT_FALSE(root_child1->isDirty());
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EXPECT_TRUE(root->isDirty());
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YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
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EXPECT_FALSE(root_child0->isDirty());
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EXPECT_FALSE(root_child1->isDirty());
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EXPECT_FALSE(root->isDirty());
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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(root_child0->isDirty());
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EXPECT_FALSE(root_child1->isDirty());
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EXPECT_FALSE(root->isDirty());
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YGNodeFreeRecursive(root);
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}
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TEST(YogaTest, dirty_mark_all_children_as_dirty_when_display_changes) {
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const YGNodeRef root = YGNodeNew();
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YGNodeStyleSetFlexDirection(root, YGFlexDirectionRow);
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YGNodeStyleSetHeight(root, 100);
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const YGNodeRef child0 = YGNodeNew();
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YGNodeStyleSetFlexGrow(child0, 1);
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const YGNodeRef child1 = YGNodeNew();
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YGNodeStyleSetFlexGrow(child1, 1);
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const YGNodeRef child1_child0 = YGNodeNew();
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const YGNodeRef child1_child0_child0 = YGNodeNew();
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YGNodeStyleSetWidth(child1_child0_child0, 8);
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YGNodeStyleSetHeight(child1_child0_child0, 16);
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YGNodeInsertChild(child1_child0, child1_child0_child0, 0);
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YGNodeInsertChild(child1, child1_child0, 0);
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YGNodeInsertChild(root, child0, 0);
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YGNodeInsertChild(root, child1, 0);
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YGNodeStyleSetDisplay(child0, YGDisplayFlex);
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YGNodeStyleSetDisplay(child1, YGDisplayNone);
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YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
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ASSERT_FLOAT_EQ(0, YGNodeLayoutGetWidth(child1_child0_child0));
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ASSERT_FLOAT_EQ(0, YGNodeLayoutGetHeight(child1_child0_child0));
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YGNodeStyleSetDisplay(child0, YGDisplayNone);
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YGNodeStyleSetDisplay(child1, YGDisplayFlex);
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YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
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ASSERT_FLOAT_EQ(8, YGNodeLayoutGetWidth(child1_child0_child0));
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ASSERT_FLOAT_EQ(16, YGNodeLayoutGetHeight(child1_child0_child0));
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YGNodeStyleSetDisplay(child0, YGDisplayFlex);
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YGNodeStyleSetDisplay(child1, YGDisplayNone);
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YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
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ASSERT_FLOAT_EQ(0, YGNodeLayoutGetWidth(child1_child0_child0));
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ASSERT_FLOAT_EQ(0, YGNodeLayoutGetHeight(child1_child0_child0));
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YGNodeStyleSetDisplay(child0, YGDisplayNone);
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YGNodeStyleSetDisplay(child1, YGDisplayFlex);
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YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
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ASSERT_FLOAT_EQ(8, YGNodeLayoutGetWidth(child1_child0_child0));
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ASSERT_FLOAT_EQ(16, YGNodeLayoutGetHeight(child1_child0_child0));
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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(root->isDirty());
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YGNodeFree(child1);
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YGNodeRemoveChild(root, child0);
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EXPECT_TRUE(root->isDirty());
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YGNodeFree(child0);
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YGNodeFreeRecursive(root);
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}
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TEST(YogaTest, dirty_node_only_if_undefined_values_gets_set_to_undefined) {
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const YGNodeRef root = YGNodeNew();
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YGNodeStyleSetWidth(root, 50);
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YGNodeStyleSetHeight(root, 50);
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YGNodeStyleSetMinWidth(root, YGUndefined);
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YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
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EXPECT_FALSE(root->isDirty());
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YGNodeStyleSetMinWidth(root, YGUndefined);
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EXPECT_FALSE(root->isDirty());
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YGNodeFreeRecursive(root);
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}
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