Files
yoga/tests/YGRoundingFunctionTest.cpp
Nick Gerleman 8053c871be Apply fixes from clag-tidy misc-unused-parameters (#1293)
Summary:
Pull Request resolved: https://github.com/facebook/yoga/pull/1293

X-link: https://github.com/facebook/react-native/pull/37384

Gets the project mostly clean of `-Wunused-parameter`, part of `-Wextra`.

Reviewed By: yungsters

Differential Revision: D45772554

fbshipit-source-id: 14a146a777c0122c7d390797532d5b386203e5d9
2023-05-11 09:40:25 -07:00

83 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>
#include <yoga/Yoga-internal.h>
TEST(YogaTest, rounding_value) {
// Test that whole numbers are rounded to whole despite ceil/floor flags
ASSERT_FLOAT_EQ(6.0, YGRoundValueToPixelGrid(6.000001, 2.0, false, false));
ASSERT_FLOAT_EQ(6.0, YGRoundValueToPixelGrid(6.000001, 2.0, true, false));
ASSERT_FLOAT_EQ(6.0, YGRoundValueToPixelGrid(6.000001, 2.0, false, true));
ASSERT_FLOAT_EQ(6.0, YGRoundValueToPixelGrid(5.999999, 2.0, false, false));
ASSERT_FLOAT_EQ(6.0, YGRoundValueToPixelGrid(5.999999, 2.0, true, false));
ASSERT_FLOAT_EQ(6.0, YGRoundValueToPixelGrid(5.999999, 2.0, false, true));
// Same tests for negative numbers
ASSERT_FLOAT_EQ(-6.0, YGRoundValueToPixelGrid(-6.000001, 2.0, false, false));
ASSERT_FLOAT_EQ(-6.0, YGRoundValueToPixelGrid(-6.000001, 2.0, true, false));
ASSERT_FLOAT_EQ(-6.0, YGRoundValueToPixelGrid(-6.000001, 2.0, false, true));
ASSERT_FLOAT_EQ(-6.0, YGRoundValueToPixelGrid(-5.999999, 2.0, false, false));
ASSERT_FLOAT_EQ(-6.0, YGRoundValueToPixelGrid(-5.999999, 2.0, true, false));
ASSERT_FLOAT_EQ(-6.0, YGRoundValueToPixelGrid(-5.999999, 2.0, false, true));
// Test that numbers with fraction are rounded correctly accounting for
// ceil/floor flags
ASSERT_FLOAT_EQ(6.0, YGRoundValueToPixelGrid(6.01, 2.0, false, false));
ASSERT_FLOAT_EQ(6.5, YGRoundValueToPixelGrid(6.01, 2.0, true, false));
ASSERT_FLOAT_EQ(6.0, YGRoundValueToPixelGrid(6.01, 2.0, false, true));
ASSERT_FLOAT_EQ(6.0, YGRoundValueToPixelGrid(5.99, 2.0, false, false));
ASSERT_FLOAT_EQ(6.0, YGRoundValueToPixelGrid(5.99, 2.0, true, false));
ASSERT_FLOAT_EQ(5.5, YGRoundValueToPixelGrid(5.99, 2.0, false, true));
// Same tests for negative numbers
ASSERT_FLOAT_EQ(-6.0, YGRoundValueToPixelGrid(-6.01, 2.0, false, false));
ASSERT_FLOAT_EQ(-6.0, YGRoundValueToPixelGrid(-6.01, 2.0, true, false));
ASSERT_FLOAT_EQ(-6.5, YGRoundValueToPixelGrid(-6.01, 2.0, false, true));
ASSERT_FLOAT_EQ(-6.0, YGRoundValueToPixelGrid(-5.99, 2.0, false, false));
ASSERT_FLOAT_EQ(-5.5, YGRoundValueToPixelGrid(-5.99, 2.0, true, false));
ASSERT_FLOAT_EQ(-6.0, YGRoundValueToPixelGrid(-5.99, 2.0, false, true));
}
static YGSize measureText(
YGNodeRef /*node*/,
float /*width*/,
YGMeasureMode /*widthMode*/,
float /*height*/,
YGMeasureMode /*heightMode*/) {
return YGSize{10, 10};
}
// Regression test for https://github.com/facebook/yoga/issues/824
TEST(YogaTest, consistent_rounding_during_repeated_layouts) {
const YGConfigRef config = YGConfigNew();
YGConfigSetPointScaleFactor(config, 2);
const YGNodeRef root = YGNodeNewWithConfig(config);
YGNodeStyleSetMargin(root, YGEdgeTop, -1.49f);
YGNodeStyleSetWidth(root, 500);
YGNodeStyleSetHeight(root, 500);
const YGNodeRef node0 = YGNodeNewWithConfig(config);
YGNodeInsertChild(root, node0, 0);
const YGNodeRef node1 = YGNodeNewWithConfig(config);
YGNodeSetMeasureFunc(node1, measureText);
YGNodeInsertChild(node0, node1, 0);
for (int i = 0; i < 5; i++) {
// Dirty the tree so YGRoundToPixelGrid runs again
YGNodeStyleSetMargin(root, YGEdgeLeft, (float) (i + 1));
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
ASSERT_FLOAT_EQ(10, YGNodeLayoutGetHeight(node1));
}
YGNodeFreeRecursive(root);
YGConfigFree(config);
}