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YGDefaultValuesTest.cpp
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/**
* 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>
TEST(YogaTest, assert_default_values) {
const YGNodeRef root = YGNodeNew();
ASSERT_EQ(0, YGNodeGetChildCount(root));
ASSERT_EQ(NULL, YGNodeGetChild(root, 1));
ASSERT_EQ(YGDirectionInherit, YGNodeStyleGetDirection(root));
ASSERT_EQ(YGFlexDirectionColumn, YGNodeStyleGetFlexDirection(root));
ASSERT_EQ(YGJustifyFlexStart, YGNodeStyleGetJustifyContent(root));
ASSERT_EQ(YGAlignFlexStart, YGNodeStyleGetAlignContent(root));
ASSERT_EQ(YGAlignStretch, YGNodeStyleGetAlignItems(root));
ASSERT_EQ(YGAlignAuto, YGNodeStyleGetAlignSelf(root));
ASSERT_EQ(YGPositionTypeRelative, YGNodeStyleGetPositionType(root));
ASSERT_EQ(YGWrapNoWrap, YGNodeStyleGetFlexWrap(root));
ASSERT_EQ(YGOverflowVisible, YGNodeStyleGetOverflow(root));
ASSERT_FLOAT_EQ(0, YGNodeStyleGetFlexGrow(root));
ASSERT_FLOAT_EQ(0, YGNodeStyleGetFlexShrink(root));
ASSERT_EQ(YGNodeStyleGetFlexBasis(root).unit, YGUnitAuto);
ASSERT_EQ(YGNodeStyleGetPosition(root, YGEdgeLeft).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetPosition(root, YGEdgeTop).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetPosition(root, YGEdgeRight).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetPosition(root, YGEdgeBottom).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetPosition(root, YGEdgeStart).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetPosition(root, YGEdgeEnd).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetMargin(root, YGEdgeLeft).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetMargin(root, YGEdgeTop).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetMargin(root, YGEdgeRight).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetMargin(root, YGEdgeBottom).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetMargin(root, YGEdgeStart).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetMargin(root, YGEdgeEnd).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetPadding(root, YGEdgeLeft).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetPadding(root, YGEdgeTop).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetPadding(root, YGEdgeRight).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetPadding(root, YGEdgeBottom).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetPadding(root, YGEdgeStart).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetPadding(root, YGEdgeEnd).unit, YGUnitUndefined);
ASSERT_TRUE(YGFloatIsUndefined(YGNodeStyleGetBorder(root, YGEdgeLeft)));
ASSERT_TRUE(YGFloatIsUndefined(YGNodeStyleGetBorder(root, YGEdgeTop)));
ASSERT_TRUE(YGFloatIsUndefined(YGNodeStyleGetBorder(root, YGEdgeRight)));
ASSERT_TRUE(YGFloatIsUndefined(YGNodeStyleGetBorder(root, YGEdgeBottom)));
ASSERT_TRUE(YGFloatIsUndefined(YGNodeStyleGetBorder(root, YGEdgeStart)));
ASSERT_TRUE(YGFloatIsUndefined(YGNodeStyleGetBorder(root, YGEdgeEnd)));
ASSERT_EQ(YGNodeStyleGetWidth(root).unit, YGUnitAuto);
ASSERT_EQ(YGNodeStyleGetHeight(root).unit, YGUnitAuto);
ASSERT_EQ(YGNodeStyleGetMinWidth(root).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetMinHeight(root).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetMaxWidth(root).unit, YGUnitUndefined);
ASSERT_EQ(YGNodeStyleGetMaxHeight(root).unit, YGUnitUndefined);
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetRight(root));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetBottom(root));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetMargin(root, YGEdgeLeft));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetMargin(root, YGEdgeTop));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetMargin(root, YGEdgeRight));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetMargin(root, YGEdgeBottom));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetPadding(root, YGEdgeLeft));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetPadding(root, YGEdgeTop));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetPadding(root, YGEdgeRight));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetPadding(root, YGEdgeBottom));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetBorder(root, YGEdgeLeft));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetBorder(root, YGEdgeTop));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetBorder(root, YGEdgeRight));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetBorder(root, YGEdgeBottom));
ASSERT_TRUE(YGFloatIsUndefined(YGNodeLayoutGetWidth(root)));
ASSERT_TRUE(YGFloatIsUndefined(YGNodeLayoutGetHeight(root)));
ASSERT_EQ(YGDirectionInherit, YGNodeLayoutGetDirection(root));
YGNodeFreeRecursive(root);
}
TEST(YogaTest, assert_webdefault_values) {
YGConfig *config = YGConfigNew();
YGConfigSetUseWebDefaults(config, true);
const YGNodeRef root = YGNodeNewWithConfig(config);
ASSERT_EQ(YGFlexDirectionRow, YGNodeStyleGetFlexDirection(root));
ASSERT_EQ(YGAlignStretch, YGNodeStyleGetAlignContent(root));
ASSERT_FLOAT_EQ(1.0f, YGNodeStyleGetFlexShrink(root));
YGNodeFreeRecursive(root);
YGConfigFree(config);
}
TEST(YogaTest, assert_webdefault_values_reset) {
YGConfig *config = YGConfigNew();
YGConfigSetUseWebDefaults(config, true);
const YGNodeRef root = YGNodeNewWithConfig(config);
YGNodeReset(root);
ASSERT_EQ(YGFlexDirectionRow, YGNodeStyleGetFlexDirection(root));
ASSERT_EQ(YGAlignStretch, YGNodeStyleGetAlignContent(root));
ASSERT_FLOAT_EQ(1.0f, YGNodeStyleGetFlexShrink(root));
YGNodeFreeRecursive(root);
YGConfigFree(config);
}
TEST(YogaTest, assert_legacy_stretch_behaviour) {
YGConfig *config = YGConfigNew();
YGConfigSetUseLegacyStretchBehaviour(config, true);
const YGNodeRef root = YGNodeNewWithConfig(config);
YGNodeStyleSetWidth(root, 500);
YGNodeStyleSetHeight(root, 500);
const YGNodeRef root_child0 = YGNodeNewWithConfig(config);
YGNodeStyleSetAlignItems(root_child0, YGAlignFlexStart);
YGNodeInsertChild(root, root_child0, 0);
const YGNodeRef root_child0_child0 = YGNodeNewWithConfig(config);
YGNodeStyleSetFlexGrow(root_child0_child0, 1);
YGNodeStyleSetFlexShrink(root_child0_child0, 1);
YGNodeInsertChild(root_child0, root_child0_child0, 0);
const YGNodeRef root_child0_child0_child0 = YGNodeNewWithConfig(config);
YGNodeStyleSetFlexGrow(root_child0_child0_child0, 1);
YGNodeStyleSetFlexShrink(root_child0_child0_child0, 1);
YGNodeInsertChild(root_child0_child0, root_child0_child0_child0, 0);
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root));
ASSERT_FLOAT_EQ(500, YGNodeLayoutGetWidth(root));
ASSERT_FLOAT_EQ(500, YGNodeLayoutGetHeight(root));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0));
ASSERT_FLOAT_EQ(500, YGNodeLayoutGetWidth(root_child0));
ASSERT_FLOAT_EQ(500, YGNodeLayoutGetHeight(root_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetWidth(root_child0_child0));
ASSERT_FLOAT_EQ(500, YGNodeLayoutGetHeight(root_child0_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0_child0_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0_child0_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetWidth(root_child0_child0_child0));
ASSERT_FLOAT_EQ(500, YGNodeLayoutGetHeight(root_child0_child0_child0));
YGNodeFreeRecursive(root);
YGConfigFree(config);
}