| Flutter Impeller |

rounding_radii_unittests.cc
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1 // Copyright 2013 The Flutter Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "gtest/gtest.h"
6
7 #include "flutter/impeller/geometry/rounding_radii.h"
8
9 #include "flutter/impeller/geometry/geometry_asserts.h"
10
11 namespace impeller {
12 namespace testing {
13
14 TEST(RoudingRadiiTest, RoundingRadiiEmptyDeclaration) {
15 RoundingRadii radii;
16
17 EXPECT_TRUE(radii.AreAllCornersEmpty());
18 EXPECT_TRUE(radii.AreAllCornersSame());
19 EXPECT_TRUE(radii.IsFinite());
20 EXPECT_EQ(radii.top_left, Size());
21 EXPECT_EQ(radii.top_right, Size());
22 EXPECT_EQ(radii.bottom_left, Size());
23 EXPECT_EQ(radii.bottom_right, Size());
24 EXPECT_EQ(radii.top_left.width, 0.0f);
25 EXPECT_EQ(radii.top_left.height, 0.0f);
26 EXPECT_EQ(radii.top_right.width, 0.0f);
27 EXPECT_EQ(radii.top_right.height, 0.0f);
28 EXPECT_EQ(radii.bottom_left.width, 0.0f);
29 EXPECT_EQ(radii.bottom_left.height, 0.0f);
30 EXPECT_EQ(radii.bottom_right.width, 0.0f);
31 EXPECT_EQ(radii.bottom_right.height, 0.0f);
32 }
33
34 TEST(RoudingRadiiTest, RoundingRadiiDefaultConstructor) {
35 RoundingRadii radii = RoundingRadii();
36
37 EXPECT_TRUE(radii.AreAllCornersEmpty());
38 EXPECT_TRUE(radii.AreAllCornersSame());
39 EXPECT_TRUE(radii.IsFinite());
40 EXPECT_EQ(radii.top_left, Size());
41 EXPECT_EQ(radii.top_right, Size());
42 EXPECT_EQ(radii.bottom_left, Size());
43 EXPECT_EQ(radii.bottom_right, Size());
44 }
45
46 TEST(RoudingRadiiTest, RoundingRadiiScalarConstructor) {
47 RoundingRadii radii = RoundingRadii::MakeRadius(5.0f);
48
49 EXPECT_FALSE(radii.AreAllCornersEmpty());
50 EXPECT_TRUE(radii.AreAllCornersSame());
51 EXPECT_TRUE(radii.IsFinite());
52 EXPECT_EQ(radii.top_left, Size(5.0f, 5.0f));
53 EXPECT_EQ(radii.top_right, Size(5.0f, 5.0f));
54 EXPECT_EQ(radii.bottom_left, Size(5.0f, 5.0f));
55 EXPECT_EQ(radii.bottom_right, Size(5.0f, 5.0f));
56 }
57
58 TEST(RoudingRadiiTest, RoundingRadiiEmptyScalarConstructor) {
59 RoundingRadii radii = RoundingRadii::MakeRadius(-5.0f);
60
61 EXPECT_TRUE(radii.AreAllCornersEmpty());
62 EXPECT_TRUE(radii.AreAllCornersSame());
63 EXPECT_TRUE(radii.IsFinite());
64 EXPECT_EQ(radii.top_left, Size(-5.0f, -5.0f));
65 EXPECT_EQ(radii.top_right, Size(-5.0f, -5.0f));
66 EXPECT_EQ(radii.bottom_left, Size(-5.0f, -5.0f));
67 EXPECT_EQ(radii.bottom_right, Size(-5.0f, -5.0f));
68 }
69
70 TEST(RoudingRadiiTest, RoundingRadiiSizeConstructor) {
71 RoundingRadii radii = RoundingRadii::MakeRadii(Size(5.0f, 6.0f));
72
73 EXPECT_FALSE(radii.AreAllCornersEmpty());
74 EXPECT_TRUE(radii.AreAllCornersSame());
75 EXPECT_TRUE(radii.IsFinite());
76 EXPECT_EQ(radii.top_left, Size(5.0f, 6.0f));
77 EXPECT_EQ(radii.top_right, Size(5.0f, 6.0f));
78 EXPECT_EQ(radii.bottom_left, Size(5.0f, 6.0f));
79 EXPECT_EQ(radii.bottom_right, Size(5.0f, 6.0f));
80 }
81
82 TEST(RoudingRadiiTest, RoundingRadiiEmptySizeConstructor) {
83 {
84 RoundingRadii radii = RoundingRadii::MakeRadii(Size(-5.0f, 6.0f));
85
86 EXPECT_TRUE(radii.AreAllCornersEmpty());
87 EXPECT_TRUE(radii.AreAllCornersSame());
88 EXPECT_TRUE(radii.IsFinite());
89 EXPECT_EQ(radii.top_left, Size(-5.0f, 6.0f));
90 EXPECT_EQ(radii.top_right, Size(-5.0f, 6.0f));
91 EXPECT_EQ(radii.bottom_left, Size(-5.0f, 6.0f));
92 EXPECT_EQ(radii.bottom_right, Size(-5.0f, 6.0f));
93 }
94
95 {
96 RoundingRadii radii = RoundingRadii::MakeRadii(Size(5.0f, -6.0f));
97
98 EXPECT_TRUE(radii.AreAllCornersEmpty());
99 EXPECT_TRUE(radii.AreAllCornersSame());
100 EXPECT_TRUE(radii.IsFinite());
101 EXPECT_EQ(radii.top_left, Size(5.0f, -6.0f));
102 EXPECT_EQ(radii.top_right, Size(5.0f, -6.0f));
103 EXPECT_EQ(radii.bottom_left, Size(5.0f, -6.0f));
104 EXPECT_EQ(radii.bottom_right, Size(5.0f, -6.0f));
105 }
106 }
107
108 TEST(RoudingRadiiTest, RoundingRadiiNamedSizesConstructor) {
109 RoundingRadii radii = {
110 .top_left = Size(5.0f, 5.5f),
111 .top_right = Size(6.0f, 6.5f),
112 .bottom_left = Size(7.0f, 7.5f),
113 .bottom_right = Size(8.0f, 8.5f),
114 };
115
116 EXPECT_FALSE(radii.AreAllCornersEmpty());
117 EXPECT_FALSE(radii.AreAllCornersSame());
118 EXPECT_TRUE(radii.IsFinite());
119 EXPECT_EQ(radii.top_left, Size(5.0f, 5.5f));
120 EXPECT_EQ(radii.top_right, Size(6.0f, 6.5f));
121 EXPECT_EQ(radii.bottom_left, Size(7.0f, 7.5f));
122 EXPECT_EQ(radii.bottom_right, Size(8.0f, 8.5f));
123 }
124
125 TEST(RoudingRadiiTest, RoundingRadiiPartialNamedSizesConstructor) {
126 {
127 RoundingRadii radii = {
128 .top_left = Size(5.0f, 5.5f),
129 };
130
131 EXPECT_FALSE(radii.AreAllCornersEmpty());
132 EXPECT_FALSE(radii.AreAllCornersSame());
133 EXPECT_TRUE(radii.IsFinite());
134 EXPECT_EQ(radii.top_left, Size(5.0f, 5.5f));
135 EXPECT_EQ(radii.top_right, Size());
136 EXPECT_EQ(radii.bottom_left, Size());
137 EXPECT_EQ(radii.bottom_right, Size());
138 }
139
140 {
141 RoundingRadii radii = {
142 .top_right = Size(6.0f, 6.5f),
143 };
144
145 EXPECT_FALSE(radii.AreAllCornersEmpty());
146 EXPECT_FALSE(radii.AreAllCornersSame());
147 EXPECT_TRUE(radii.IsFinite());
148 EXPECT_EQ(radii.top_left, Size());
149 EXPECT_EQ(radii.top_right, Size(6.0f, 6.5f));
150 EXPECT_EQ(radii.bottom_left, Size());
151 EXPECT_EQ(radii.bottom_right, Size());
152 }
153
154 {
155 RoundingRadii radii = {
156 .bottom_left = Size(7.0f, 7.5f),
157 };
158
159 EXPECT_FALSE(radii.AreAllCornersEmpty());
160 EXPECT_FALSE(radii.AreAllCornersSame());
161 EXPECT_TRUE(radii.IsFinite());
162 EXPECT_EQ(radii.top_left, Size());
163 EXPECT_EQ(radii.top_right, Size());
164 EXPECT_EQ(radii.bottom_left, Size(7.0f, 7.5f));
165 EXPECT_EQ(radii.bottom_right, Size());
166 }
167
168 {
169 RoundingRadii radii = {
170 .bottom_right = Size(8.0f, 8.5f),
171 };
172
173 EXPECT_FALSE(radii.AreAllCornersEmpty());
174 EXPECT_FALSE(radii.AreAllCornersSame());
175 EXPECT_TRUE(radii.IsFinite());
176 EXPECT_EQ(radii.top_left, Size());
177 EXPECT_EQ(radii.top_right, Size());
178 EXPECT_EQ(radii.bottom_left, Size());
179 EXPECT_EQ(radii.bottom_right, Size(8.0f, 8.5f));
180 }
181 }
182
183 TEST(RoudingRadiiTest, RoundingRadiiMultiply) {
184 RoundingRadii radii = {
185 .top_left = Size(5.0f, 5.5f),
186 .top_right = Size(6.0f, 6.5f),
187 .bottom_left = Size(7.0f, 7.5f),
188 .bottom_right = Size(8.0f, 8.5f),
189 };
190 RoundingRadii doubled = radii * 2.0f;
191
192 EXPECT_FALSE(doubled.AreAllCornersEmpty());
193 EXPECT_FALSE(doubled.AreAllCornersSame());
194 EXPECT_TRUE(doubled.IsFinite());
195 EXPECT_EQ(doubled.top_left, Size(10.0f, 11.0f));
196 EXPECT_EQ(doubled.top_right, Size(12.0f, 13.0f));
197 EXPECT_EQ(doubled.bottom_left, Size(14.0f, 15.0f));
198 EXPECT_EQ(doubled.bottom_right, Size(16.0f, 17.0f));
199 }
200
201 TEST(RoudingRadiiTest, RoundingRadiiEquals) {
202 RoundingRadii radii = {
203 .top_left = Size(5.0f, 5.5f),
204 .top_right = Size(6.0f, 6.5f),
205 .bottom_left = Size(7.0f, 7.5f),
206 .bottom_right = Size(8.0f, 8.5f),
207 };
208 RoundingRadii other = {
209 .top_left = Size(5.0f, 5.5f),
210 .top_right = Size(6.0f, 6.5f),
211 .bottom_left = Size(7.0f, 7.5f),
212 .bottom_right = Size(8.0f, 8.5f),
213 };
214
215 EXPECT_EQ(radii, other);
216 }
217
218 TEST(RoudingRadiiTest, RoundingRadiiNotEquals) {
219 const RoundingRadii radii = {
220 .top_left = Size(5.0f, 5.5f),
221 .top_right = Size(6.0f, 6.5f),
222 .bottom_left = Size(7.0f, 7.5f),
223 .bottom_right = Size(8.0f, 8.5f),
224 };
225
226 {
227 RoundingRadii different = radii;
228 different.top_left.width = 100.0f;
229 EXPECT_NE(different, radii);
230 }
231 {
232 RoundingRadii different = radii;
233 different.top_left.height = 100.0f;
234 EXPECT_NE(different, radii);
235 }
236 {
237 RoundingRadii different = radii;
238 different.top_right.width = 100.0f;
239 EXPECT_NE(different, radii);
240 }
241 {
242 RoundingRadii different = radii;
243 different.top_right.height = 100.0f;
244 EXPECT_NE(different, radii);
245 }
246 {
247 RoundingRadii different = radii;
248 different.bottom_left.width = 100.0f;
249 EXPECT_NE(different, radii);
250 }
251 {
252 RoundingRadii different = radii;
253 different.bottom_left.height = 100.0f;
254 EXPECT_NE(different, radii);
255 }
256 {
257 RoundingRadii different = radii;
258 different.bottom_right.width = 100.0f;
259 EXPECT_NE(different, radii);
260 }
261 {
262 RoundingRadii different = radii;
263 different.bottom_right.height = 100.0f;
264 EXPECT_NE(different, radii);
265 }
266 }
267
268 TEST(RoudingRadiiTest, RoundingRadiiCornersSameTolerance) {
269 RoundingRadii radii{
270 .top_left = {10, 20},
271 .top_right = {10.01, 20.01},
272 .bottom_left = {9.99, 19.99},
273 .bottom_right = {9.99, 20.01},
274 };
275
276 EXPECT_TRUE(radii.AreAllCornersSame(.02));
277
278 {
279 RoundingRadii different = radii;
280 different.top_left.width = 10.03;
281 EXPECT_FALSE(different.AreAllCornersSame(.02));
282 }
283 {
284 RoundingRadii different = radii;
285 different.top_left.height = 20.03;
286 EXPECT_FALSE(different.AreAllCornersSame(.02));
287 }
288 {
289 RoundingRadii different = radii;
290 different.top_right.width = 10.03;
291 EXPECT_FALSE(different.AreAllCornersSame(.02));
292 }
293 {
294 RoundingRadii different = radii;
295 different.top_right.height = 20.03;
296 EXPECT_FALSE(different.AreAllCornersSame(.02));
297 }
298 {
299 RoundingRadii different = radii;
300 different.bottom_left.width = 9.97;
301 EXPECT_FALSE(different.AreAllCornersSame(.02));
302 }
303 {
304 RoundingRadii different = radii;
305 different.bottom_left.height = 19.97;
306 EXPECT_FALSE(different.AreAllCornersSame(.02));
307 }
308 {
309 RoundingRadii different = radii;
310 different.bottom_right.width = 9.97;
311 EXPECT_FALSE(different.AreAllCornersSame(.02));
312 }
313 {
314 RoundingRadii different = radii;
315 different.bottom_right.height = 20.03;
316 EXPECT_FALSE(different.AreAllCornersSame(.02));
317 }
318 }
319
320 } // namespace testing
321 } // namespace impeller
geometry_asserts.h
impeller::testing::TEST
TEST(AllocationSizeTest, CanCreateTypedAllocations)
Definition: allocation_size_unittests.cc:10
impeller
Definition: allocation.cc:12
impeller::Size
TSize< Scalar > Size
Definition: size.h:159
rounding_radii.h
impeller::RoundingRadii
Definition: rounding_radii.h:14
impeller::RoundingRadii::top_right
Size top_right
Definition: rounding_radii.h:16
impeller::RoundingRadii::bottom_left
Size bottom_left
Definition: rounding_radii.h:17
impeller::RoundingRadii::bottom_right
Size bottom_right
Definition: rounding_radii.h:18
impeller::RoundingRadii::top_left
Size top_left
Definition: rounding_radii.h:15
impeller::RoundingRadii::AreAllCornersEmpty
constexpr bool AreAllCornersEmpty() const
Definition: rounding_radii.h:47
impeller::RoundingRadii::MakeRadii
constexpr static RoundingRadii MakeRadii(Size radii)
Definition: rounding_radii.h:24
impeller::RoundingRadii::IsFinite
constexpr bool IsFinite() const
Definition: rounding_radii.h:40
impeller::RoundingRadii::AreAllCornersSame
constexpr bool AreAllCornersSame(Scalar tolerance=kEhCloseEnough) const
Definition: rounding_radii.h:54
impeller::RoundingRadii::MakeRadius
constexpr static RoundingRadii MakeRadius(Scalar radius)
Definition: rounding_radii.h:20
impeller::TSize< Scalar >
impeller::TSize::height
Type height
Definition: size.h:29
impeller::TSize::width
Type width
Definition: size.h:28