Files
yoga/tests/YGRoundingMeasureFuncTest.cpp
Georgiy Kassabli 37ec1774a7 Add rounding to the pixel grid to Yoga
Summary: This diff adds rounding to the pixel grid feature to Yoga and appropriate property

Reviewed By: emilsjolander

Differential Revision: D4565980

fbshipit-source-id: 9700f6d6ed147f82b19f230fbff2e9ccbd625b25
2017-02-24 09:57:00 -08:00

104 lines
3.2 KiB
C++

/**
* Copyright (c) 2014-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#include <gtest/gtest.h>
#include <yoga/Yoga.h>
static YGSize _measureFloor(YGNodeRef node,
float width,
YGMeasureMode widthMode,
float height,
YGMeasureMode heightMode) {
return YGSize{
width = 10.2f, height = 10.2f,
};
}
static YGSize _measureCeil(YGNodeRef node,
float width,
YGMeasureMode widthMode,
float height,
YGMeasureMode heightMode) {
return YGSize{
width = 10.5, height = 10.5,
};
}
TEST(YogaTest, rounding_feature_with_custom_measure_func_floor) {
YGSetExperimentalFeatureEnabled(YGExperimentalFeatureRounding, true);
const YGNodeRef root = YGNodeNew();
const YGNodeRef root_child0 = YGNodeNew();
YGNodeSetMeasureFunc(root_child0, _measureFloor);
YGNodeInsertChild(root, root_child0, 0);
YGSetPointScaleFactor(0.0);
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionRTL);
ASSERT_FLOAT_EQ(10.2, YGNodeLayoutGetWidth(root_child0));
ASSERT_FLOAT_EQ(10.2, YGNodeLayoutGetHeight(root_child0));
YGSetPointScaleFactor(1.0);
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
ASSERT_FLOAT_EQ(10, YGNodeLayoutGetWidth(root_child0));
ASSERT_FLOAT_EQ(10, YGNodeLayoutGetHeight(root_child0));
YGSetPointScaleFactor(2.0);
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionRTL);
ASSERT_FLOAT_EQ(10, YGNodeLayoutGetWidth(root_child0));
ASSERT_FLOAT_EQ(10, YGNodeLayoutGetHeight(root_child0));
YGSetPointScaleFactor(4.0);
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
ASSERT_FLOAT_EQ(10.25, YGNodeLayoutGetWidth(root_child0));
ASSERT_FLOAT_EQ(10.25, YGNodeLayoutGetHeight(root_child0));
YGSetPointScaleFactor(1.0 / 3.0);
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionRTL);
ASSERT_FLOAT_EQ(9.0, YGNodeLayoutGetWidth(root_child0));
ASSERT_FLOAT_EQ(9.0, YGNodeLayoutGetHeight(root_child0));
YGNodeFreeRecursive(root);
YGSetPointScaleFactor(1.0);
YGSetExperimentalFeatureEnabled(YGExperimentalFeatureRounding, false);
}
TEST(YogaTest, rounding_feature_with_custom_measure_func_ceil) {
YGSetExperimentalFeatureEnabled(YGExperimentalFeatureRounding, true);
const YGNodeRef root = YGNodeNew();
const YGNodeRef root_child0 = YGNodeNew();
YGNodeSetMeasureFunc(root_child0, _measureCeil);
YGNodeInsertChild(root, root_child0, 0);
YGSetPointScaleFactor(1.0);
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
ASSERT_FLOAT_EQ(11, YGNodeLayoutGetWidth(root_child0));
ASSERT_FLOAT_EQ(11, YGNodeLayoutGetHeight(root_child0));
YGNodeFreeRecursive(root);
YGSetPointScaleFactor(1.0);
YGSetExperimentalFeatureEnabled(YGExperimentalFeatureRounding, false);
}