Files
yoga/tests/FlexGapTest.cpp
Nick Gerleman b03a821884 Fix handling of negative flex gap (#1405)
Summary:
X-link: https://github.com/facebook/react-native/pull/39596

Pull Request resolved: https://github.com/facebook/yoga/pull/1405

I noticed that we weren't clamping negative flex gap values to zero. This fixes that bug.

Reviewed By: rshest

Differential Revision: D49530494

fbshipit-source-id: 069db7312f72a085c5c4b01ead7bc66a353a07e5
2023-09-30 21:09:13 -07:00

94 lines
3.5 KiB
C++

/*
* 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>
// TODO: move this to a fixture based test once it supports parsing negative
// values
TEST(FlexGap, gap_negative_value) {
const YGConfigRef config = YGConfigNew();
const YGNodeRef root = YGNodeNewWithConfig(config);
YGNodeStyleSetFlexDirection(root, YGFlexDirectionRow);
YGNodeStyleSetGap(root, YGGutterAll, -20);
YGNodeStyleSetHeight(root, 200);
const YGNodeRef root_child0 = YGNodeNewWithConfig(config);
YGNodeStyleSetWidth(root_child0, 20);
YGNodeInsertChild(root, root_child0, 0);
const YGNodeRef root_child1 = YGNodeNewWithConfig(config);
YGNodeStyleSetWidth(root_child1, 20);
YGNodeInsertChild(root, root_child1, 1);
const YGNodeRef root_child2 = YGNodeNewWithConfig(config);
YGNodeStyleSetWidth(root_child2, 20);
YGNodeInsertChild(root, root_child2, 2);
const YGNodeRef root_child3 = YGNodeNewWithConfig(config);
YGNodeStyleSetWidth(root_child3, 20);
YGNodeInsertChild(root, root_child3, 3);
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root));
ASSERT_FLOAT_EQ(80, YGNodeLayoutGetWidth(root));
ASSERT_FLOAT_EQ(200, YGNodeLayoutGetHeight(root));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0));
ASSERT_FLOAT_EQ(20, YGNodeLayoutGetWidth(root_child0));
ASSERT_FLOAT_EQ(200, YGNodeLayoutGetHeight(root_child0));
ASSERT_FLOAT_EQ(20, YGNodeLayoutGetLeft(root_child1));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child1));
ASSERT_FLOAT_EQ(20, YGNodeLayoutGetWidth(root_child1));
ASSERT_FLOAT_EQ(200, YGNodeLayoutGetHeight(root_child1));
ASSERT_FLOAT_EQ(40, YGNodeLayoutGetLeft(root_child2));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child2));
ASSERT_FLOAT_EQ(20, YGNodeLayoutGetWidth(root_child2));
ASSERT_FLOAT_EQ(200, YGNodeLayoutGetHeight(root_child2));
ASSERT_FLOAT_EQ(60, YGNodeLayoutGetLeft(root_child3));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child3));
ASSERT_FLOAT_EQ(20, YGNodeLayoutGetWidth(root_child3));
ASSERT_FLOAT_EQ(200, YGNodeLayoutGetHeight(root_child3));
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionRTL);
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root));
ASSERT_FLOAT_EQ(80, YGNodeLayoutGetWidth(root));
ASSERT_FLOAT_EQ(200, YGNodeLayoutGetHeight(root));
ASSERT_FLOAT_EQ(60, YGNodeLayoutGetLeft(root_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0));
ASSERT_FLOAT_EQ(20, YGNodeLayoutGetWidth(root_child0));
ASSERT_FLOAT_EQ(200, YGNodeLayoutGetHeight(root_child0));
ASSERT_FLOAT_EQ(40, YGNodeLayoutGetLeft(root_child1));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child1));
ASSERT_FLOAT_EQ(20, YGNodeLayoutGetWidth(root_child1));
ASSERT_FLOAT_EQ(200, YGNodeLayoutGetHeight(root_child1));
ASSERT_FLOAT_EQ(20, YGNodeLayoutGetLeft(root_child2));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child2));
ASSERT_FLOAT_EQ(20, YGNodeLayoutGetWidth(root_child2));
ASSERT_FLOAT_EQ(200, YGNodeLayoutGetHeight(root_child2));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child3));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child3));
ASSERT_FLOAT_EQ(20, YGNodeLayoutGetWidth(root_child3));
ASSERT_FLOAT_EQ(200, YGNodeLayoutGetHeight(root_child3));
YGNodeFreeRecursive(root);
YGConfigFree(config);
}