2 * Copyright (c) 2014-present, Facebook, Inc.
4 * This source code is licensed under the MIT license found in the
5 * LICENSE file in the root directory of this source tree.
8 #include <gtest/gtest.h>
11 TEST(YogaTest, assert_default_values) {
12 const YGNodeRef root = YGNodeNew();
14 ASSERT_EQ(0, YGNodeGetChildCount(root));
15 ASSERT_EQ(NULL, YGNodeGetChild(root, 1));
17 ASSERT_EQ(YGDirectionInherit, YGNodeStyleGetDirection(root));
18 ASSERT_EQ(YGFlexDirectionColumn, YGNodeStyleGetFlexDirection(root));
19 ASSERT_EQ(YGJustifyFlexStart, YGNodeStyleGetJustifyContent(root));
20 ASSERT_EQ(YGAlignFlexStart, YGNodeStyleGetAlignContent(root));
21 ASSERT_EQ(YGAlignStretch, YGNodeStyleGetAlignItems(root));
22 ASSERT_EQ(YGAlignAuto, YGNodeStyleGetAlignSelf(root));
23 ASSERT_EQ(YGPositionTypeRelative, YGNodeStyleGetPositionType(root));
24 ASSERT_EQ(YGWrapNoWrap, YGNodeStyleGetFlexWrap(root));
25 ASSERT_EQ(YGOverflowVisible, YGNodeStyleGetOverflow(root));
26 ASSERT_FLOAT_EQ(0, YGNodeStyleGetFlexGrow(root));
27 ASSERT_FLOAT_EQ(0, YGNodeStyleGetFlexShrink(root));
28 ASSERT_EQ(YGNodeStyleGetFlexBasis(root).unit, YGUnitAuto);
30 ASSERT_EQ(YGNodeStyleGetPosition(root, YGEdgeLeft).unit, YGUnitUndefined);
31 ASSERT_EQ(YGNodeStyleGetPosition(root, YGEdgeTop).unit, YGUnitUndefined);
32 ASSERT_EQ(YGNodeStyleGetPosition(root, YGEdgeRight).unit, YGUnitUndefined);
33 ASSERT_EQ(YGNodeStyleGetPosition(root, YGEdgeBottom).unit, YGUnitUndefined);
34 ASSERT_EQ(YGNodeStyleGetPosition(root, YGEdgeStart).unit, YGUnitUndefined);
35 ASSERT_EQ(YGNodeStyleGetPosition(root, YGEdgeEnd).unit, YGUnitUndefined);
37 ASSERT_EQ(YGNodeStyleGetMargin(root, YGEdgeLeft).unit, YGUnitUndefined);
38 ASSERT_EQ(YGNodeStyleGetMargin(root, YGEdgeTop).unit, YGUnitUndefined);
39 ASSERT_EQ(YGNodeStyleGetMargin(root, YGEdgeRight).unit, YGUnitUndefined);
40 ASSERT_EQ(YGNodeStyleGetMargin(root, YGEdgeBottom).unit, YGUnitUndefined);
41 ASSERT_EQ(YGNodeStyleGetMargin(root, YGEdgeStart).unit, YGUnitUndefined);
42 ASSERT_EQ(YGNodeStyleGetMargin(root, YGEdgeEnd).unit, YGUnitUndefined);
44 ASSERT_EQ(YGNodeStyleGetPadding(root, YGEdgeLeft).unit, YGUnitUndefined);
45 ASSERT_EQ(YGNodeStyleGetPadding(root, YGEdgeTop).unit, YGUnitUndefined);
46 ASSERT_EQ(YGNodeStyleGetPadding(root, YGEdgeRight).unit, YGUnitUndefined);
47 ASSERT_EQ(YGNodeStyleGetPadding(root, YGEdgeBottom).unit, YGUnitUndefined);
48 ASSERT_EQ(YGNodeStyleGetPadding(root, YGEdgeStart).unit, YGUnitUndefined);
49 ASSERT_EQ(YGNodeStyleGetPadding(root, YGEdgeEnd).unit, YGUnitUndefined);
51 ASSERT_TRUE(YGFloatIsUndefined(YGNodeStyleGetBorder(root, YGEdgeLeft)));
52 ASSERT_TRUE(YGFloatIsUndefined(YGNodeStyleGetBorder(root, YGEdgeTop)));
53 ASSERT_TRUE(YGFloatIsUndefined(YGNodeStyleGetBorder(root, YGEdgeRight)));
54 ASSERT_TRUE(YGFloatIsUndefined(YGNodeStyleGetBorder(root, YGEdgeBottom)));
55 ASSERT_TRUE(YGFloatIsUndefined(YGNodeStyleGetBorder(root, YGEdgeStart)));
56 ASSERT_TRUE(YGFloatIsUndefined(YGNodeStyleGetBorder(root, YGEdgeEnd)));
58 ASSERT_EQ(YGNodeStyleGetWidth(root).unit, YGUnitAuto);
59 ASSERT_EQ(YGNodeStyleGetHeight(root).unit, YGUnitAuto);
60 ASSERT_EQ(YGNodeStyleGetMinWidth(root).unit, YGUnitUndefined);
61 ASSERT_EQ(YGNodeStyleGetMinHeight(root).unit, YGUnitUndefined);
62 ASSERT_EQ(YGNodeStyleGetMaxWidth(root).unit, YGUnitUndefined);
63 ASSERT_EQ(YGNodeStyleGetMaxHeight(root).unit, YGUnitUndefined);
65 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root));
66 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root));
67 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetRight(root));
68 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetBottom(root));
70 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetMargin(root, YGEdgeLeft));
71 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetMargin(root, YGEdgeTop));
72 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetMargin(root, YGEdgeRight));
73 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetMargin(root, YGEdgeBottom));
75 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetPadding(root, YGEdgeLeft));
76 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetPadding(root, YGEdgeTop));
77 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetPadding(root, YGEdgeRight));
78 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetPadding(root, YGEdgeBottom));
80 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetBorder(root, YGEdgeLeft));
81 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetBorder(root, YGEdgeTop));
82 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetBorder(root, YGEdgeRight));
83 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetBorder(root, YGEdgeBottom));
85 ASSERT_TRUE(YGFloatIsUndefined(YGNodeLayoutGetWidth(root)));
86 ASSERT_TRUE(YGFloatIsUndefined(YGNodeLayoutGetHeight(root)));
87 ASSERT_EQ(YGDirectionInherit, YGNodeLayoutGetDirection(root));
89 YGNodeFreeRecursive(root);
92 TEST(YogaTest, assert_webdefault_values) {
93 YGConfig *config = YGConfigNew();
94 YGConfigSetUseWebDefaults(config, true);
95 const YGNodeRef root = YGNodeNewWithConfig(config);
97 ASSERT_EQ(YGFlexDirectionRow, YGNodeStyleGetFlexDirection(root));
98 ASSERT_EQ(YGAlignStretch, YGNodeStyleGetAlignContent(root));
99 ASSERT_FLOAT_EQ(1.0f, YGNodeStyleGetFlexShrink(root));
101 YGNodeFreeRecursive(root);
102 YGConfigFree(config);
105 TEST(YogaTest, assert_webdefault_values_reset) {
106 YGConfig *config = YGConfigNew();
107 YGConfigSetUseWebDefaults(config, true);
108 const YGNodeRef root = YGNodeNewWithConfig(config);
111 ASSERT_EQ(YGFlexDirectionRow, YGNodeStyleGetFlexDirection(root));
112 ASSERT_EQ(YGAlignStretch, YGNodeStyleGetAlignContent(root));
113 ASSERT_FLOAT_EQ(1.0f, YGNodeStyleGetFlexShrink(root));
115 YGNodeFreeRecursive(root);
116 YGConfigFree(config);
119 TEST(YogaTest, assert_legacy_stretch_behaviour) {
120 YGConfig *config = YGConfigNew();
121 YGConfigSetUseLegacyStretchBehaviour(config, true);
122 const YGNodeRef root = YGNodeNewWithConfig(config);
123 YGNodeStyleSetWidth(root, 500);
124 YGNodeStyleSetHeight(root, 500);
126 const YGNodeRef root_child0 = YGNodeNewWithConfig(config);
127 YGNodeStyleSetAlignItems(root_child0, YGAlignFlexStart);
128 YGNodeInsertChild(root, root_child0, 0);
130 const YGNodeRef root_child0_child0 = YGNodeNewWithConfig(config);
131 YGNodeStyleSetFlexGrow(root_child0_child0, 1);
132 YGNodeStyleSetFlexShrink(root_child0_child0, 1);
133 YGNodeInsertChild(root_child0, root_child0_child0, 0);
135 const YGNodeRef root_child0_child0_child0 = YGNodeNewWithConfig(config);
136 YGNodeStyleSetFlexGrow(root_child0_child0_child0, 1);
137 YGNodeStyleSetFlexShrink(root_child0_child0_child0, 1);
138 YGNodeInsertChild(root_child0_child0, root_child0_child0_child0, 0);
139 YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
141 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root));
142 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root));
143 ASSERT_FLOAT_EQ(500, YGNodeLayoutGetWidth(root));
144 ASSERT_FLOAT_EQ(500, YGNodeLayoutGetHeight(root));
146 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0));
147 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0));
148 ASSERT_FLOAT_EQ(500, YGNodeLayoutGetWidth(root_child0));
149 ASSERT_FLOAT_EQ(500, YGNodeLayoutGetHeight(root_child0));
151 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0_child0));
152 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0_child0));
153 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetWidth(root_child0_child0));
154 ASSERT_FLOAT_EQ(500, YGNodeLayoutGetHeight(root_child0_child0));
156 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0_child0_child0));
157 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0_child0_child0));
158 ASSERT_FLOAT_EQ(0, YGNodeLayoutGetWidth(root_child0_child0_child0));
159 ASSERT_FLOAT_EQ(500, YGNodeLayoutGetHeight(root_child0_child0_child0));
161 YGNodeFreeRecursive(root);
163 YGConfigFree(config);