forked from facebook/yoga
-
Notifications
You must be signed in to change notification settings - Fork 0
/
YGNodeCallbackTest.cpp
147 lines (119 loc) · 3.79 KB
/
YGNodeCallbackTest.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
/*
* Copyright (c) Facebook, Inc. and its 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/YGNode.h>
#include <ostream>
inline bool operator==(const YGSize& lhs, const YGSize& rhs) {
return lhs.width == rhs.width && lhs.height == rhs.height;
}
void PrintTo(const YGSize&, std::ostream*);
TEST(YGNode, hasMeasureFunc_initial) {
auto n = YGNode{};
ASSERT_FALSE(n.hasMeasureFunc());
}
TEST(YGNode, hasMeasureFunc_with_measure_fn) {
auto n = YGNode{};
n.setMeasureFunc([](YGNode*, float, YGMeasureMode, float, YGMeasureMode) {
return YGSize{};
});
ASSERT_TRUE(n.hasMeasureFunc());
}
TEST(YGNode, measure_with_measure_fn) {
auto n = YGNode{};
n.setMeasureFunc(
[](YGNode*, float w, YGMeasureMode wm, float h, YGMeasureMode hm) {
return YGSize{w * wm, h / hm};
});
ASSERT_EQ(
n.measure(23, YGMeasureModeExactly, 24, YGMeasureModeAtMost, nullptr),
(YGSize{23, 12}));
}
TEST(YGNode, measure_with_context_measure_fn) {
auto n = YGNode{};
n.setMeasureFunc(
[](YGNode*, float, YGMeasureMode, float, YGMeasureMode, void* ctx) {
return *(YGSize*) ctx;
});
auto result = YGSize{123.4, -56.7};
ASSERT_EQ(
n.measure(0, YGMeasureModeUndefined, 0, YGMeasureModeUndefined, &result),
result);
}
TEST(YGNode, switching_measure_fn_types) {
auto n = YGNode{};
n.setMeasureFunc(
[](YGNode*, float, YGMeasureMode, float, YGMeasureMode, void*) {
return YGSize{};
});
n.setMeasureFunc(
[](YGNode*, float w, YGMeasureMode wm, float h, YGMeasureMode hm) {
return YGSize{w * wm, h / hm};
});
ASSERT_EQ(
n.measure(23, YGMeasureModeExactly, 24, YGMeasureModeAtMost, nullptr),
(YGSize{23, 12}));
}
TEST(YGNode, hasMeasureFunc_after_unset) {
auto n = YGNode{};
n.setMeasureFunc([](YGNode*, float, YGMeasureMode, float, YGMeasureMode) {
return YGSize{};
});
n.setMeasureFunc(nullptr);
ASSERT_FALSE(n.hasMeasureFunc());
}
TEST(YGNode, hasMeasureFunc_after_unset_context) {
auto n = YGNode{};
n.setMeasureFunc(
[](YGNode*, float, YGMeasureMode, float, YGMeasureMode, void*) {
return YGSize{};
});
n.setMeasureFunc(nullptr);
ASSERT_FALSE(n.hasMeasureFunc());
}
TEST(YGNode, hasBaselineFunc_initial) {
auto n = YGNode{};
ASSERT_FALSE(n.hasBaselineFunc());
}
TEST(YGNode, hasBaselineFunc_with_baseline_fn) {
auto n = YGNode{};
n.setBaselineFunc([](YGNode*, float, float) { return 0.0f; });
ASSERT_TRUE(n.hasBaselineFunc());
}
TEST(YGNode, baseline_with_baseline_fn) {
auto n = YGNode{};
n.setBaselineFunc([](YGNode*, float w, float h) { return w + h; });
ASSERT_EQ(n.baseline(1.25f, 2.5f, nullptr), 3.75f);
}
TEST(YGNode, baseline_with_context_baseline_fn) {
auto n = YGNode{};
n.setBaselineFunc([](YGNode*, float w, float h, void* ctx) {
return w + h + *(float*) ctx;
});
auto ctx = -10.0f;
ASSERT_EQ(n.baseline(1.25f, 2.5f, &ctx), -6.25f);
}
TEST(YGNode, hasBaselineFunc_after_unset) {
auto n = YGNode{};
n.setBaselineFunc([](YGNode*, float, float) { return 0.0f; });
n.setBaselineFunc(nullptr);
ASSERT_FALSE(n.hasBaselineFunc());
}
TEST(YGNode, hasBaselineFunc_after_unset_context) {
auto n = YGNode{};
n.setBaselineFunc([](YGNode*, float, float, void*) { return 0.0f; });
n.setMeasureFunc(nullptr);
ASSERT_FALSE(n.hasMeasureFunc());
}
TEST(YGNode, switching_baseline_fn_types) {
auto n = YGNode{};
n.setBaselineFunc([](YGNode*, float, float, void*) { return 0.0f; });
n.setBaselineFunc([](YGNode*, float, float) { return 1.0f; });
ASSERT_EQ(n.baseline(1, 2, nullptr), 1.0f);
}
void PrintTo(const YGSize& size, std::ostream* os) {
*os << "YGSize{" << size.width << ", " << size.height << "}";
}