| 1 | /* |
| 2 | * Copyright (C) 2014-2016 Apple Inc. All rights reserved. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| 14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| 15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| 17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| 23 | * THE POSSIBILITY OF SUCH DAMAGE. |
| 24 | */ |
| 25 | |
| 26 | #include "config.h" |
| 27 | |
| 28 | #include <WebCore/FloatSize.h> |
| 29 | #include <WebCore/IntSize.h> |
| 30 | |
| 31 | #if USE(CG) |
| 32 | #include <CoreGraphics/CoreGraphics.h> |
| 33 | #endif |
| 34 | |
| 35 | #if PLATFORM(WIN) |
| 36 | #include <d2d1.h> |
| 37 | #endif |
| 38 | |
| 39 | namespace TestWebKitAPI { |
| 40 | |
| 41 | static void testGetAndSet(WebCore::IntSize rect) |
| 42 | { |
| 43 | rect.setWidth(203); |
| 44 | EXPECT_EQ(203, rect.width()); |
| 45 | rect.setHeight(73); |
| 46 | EXPECT_EQ(73, rect.height()); |
| 47 | } |
| 48 | |
| 49 | static void testEmptySize(const WebCore::IntSize& rect) |
| 50 | { |
| 51 | EXPECT_EQ(0, rect.width()); |
| 52 | EXPECT_EQ(0, rect.height()); |
| 53 | EXPECT_TRUE(rect.isEmpty()); |
| 54 | EXPECT_TRUE(rect.isZero()); |
| 55 | } |
| 56 | |
| 57 | TEST(IntSize, DefaultConstruction) |
| 58 | { |
| 59 | WebCore::IntSize test; |
| 60 | |
| 61 | testEmptySize(test); |
| 62 | |
| 63 | testGetAndSet(test); |
| 64 | } |
| 65 | |
| 66 | TEST(IntSize, ValueConstruction) |
| 67 | { |
| 68 | WebCore::IntSize test(100, 200); |
| 69 | |
| 70 | EXPECT_EQ(100, test.width()); |
| 71 | EXPECT_EQ(200, test.height()); |
| 72 | EXPECT_FALSE(test.isEmpty()); |
| 73 | EXPECT_FALSE(test.isZero()); |
| 74 | |
| 75 | static const float epsilon = 0.0001f; |
| 76 | EXPECT_NEAR(0.5f, test.aspectRatio(), epsilon); |
| 77 | } |
| 78 | |
| 79 | TEST(IntSize, FloatSizeConstruction) |
| 80 | { |
| 81 | WebCore::FloatSize size(1024.2, 767.8); |
| 82 | WebCore::IntSize test(size); |
| 83 | |
| 84 | EXPECT_EQ(1024, test.width()); |
| 85 | EXPECT_EQ(767, test.height()); |
| 86 | |
| 87 | ASSERT_FALSE(test.isEmpty()); |
| 88 | ASSERT_FALSE(test.isZero()); |
| 89 | |
| 90 | static const double epsilon = 0.001; |
| 91 | EXPECT_NEAR(1.335f, test.aspectRatio(), epsilon); |
| 92 | |
| 93 | testGetAndSet(test); |
| 94 | } |
| 95 | |
| 96 | TEST(IntSize, DiagonalLengthAndArea) |
| 97 | { |
| 98 | WebCore::IntSize test(1024, 768); |
| 99 | |
| 100 | EXPECT_EQ(1638400, test.diagonalLengthSquared()); |
| 101 | EXPECT_EQ(786432U, test.area().unsafeGet()); |
| 102 | } |
| 103 | |
| 104 | TEST(IntSize, Scale) |
| 105 | { |
| 106 | WebCore::IntSize test(1024, 768); |
| 107 | |
| 108 | test.scale(2.0f); |
| 109 | |
| 110 | EXPECT_EQ(2048, test.width()); |
| 111 | EXPECT_EQ(1536, test.height()); |
| 112 | |
| 113 | test.scale(0.5f); |
| 114 | |
| 115 | EXPECT_EQ(1024, test.width()); |
| 116 | EXPECT_EQ(768, test.height()); |
| 117 | |
| 118 | test.scale(2.0f, 0.5f); |
| 119 | |
| 120 | EXPECT_EQ(2048, test.width()); |
| 121 | EXPECT_EQ(384, test.height()); |
| 122 | } |
| 123 | |
| 124 | TEST(IntSize, Expand) |
| 125 | { |
| 126 | WebCore::IntSize test(1024, 768); |
| 127 | |
| 128 | EXPECT_EQ(1024, test.width()); |
| 129 | EXPECT_EQ(768, test.height()); |
| 130 | |
| 131 | test.expand(100, 50); |
| 132 | |
| 133 | EXPECT_EQ(1124, test.width()); |
| 134 | EXPECT_EQ(818, test.height()); |
| 135 | |
| 136 | WebCore::IntSize other(2048, 700); |
| 137 | |
| 138 | auto expanded = test.expandedTo(other); |
| 139 | |
| 140 | EXPECT_EQ(2048, expanded.width()); |
| 141 | EXPECT_EQ(818, expanded.height()); |
| 142 | } |
| 143 | |
| 144 | TEST(IntSize, Shrink) |
| 145 | { |
| 146 | WebCore::IntSize test(1024, 768); |
| 147 | WebCore::IntSize other(1000, 700); |
| 148 | |
| 149 | auto shrunken = test.shrunkTo(other); |
| 150 | |
| 151 | EXPECT_EQ(1000, shrunken.width()); |
| 152 | EXPECT_EQ(700, shrunken.height()); |
| 153 | |
| 154 | WebCore::IntSize other2(2000.0f, 700.0f); |
| 155 | |
| 156 | auto shrunken2 = test.shrunkTo(other2); |
| 157 | |
| 158 | EXPECT_EQ(1024, shrunken2.width()); |
| 159 | EXPECT_EQ(700, shrunken2.height()); |
| 160 | } |
| 161 | |
| 162 | TEST(IntSize, TransposedSize) |
| 163 | { |
| 164 | WebCore::IntSize test(1024, 768); |
| 165 | |
| 166 | auto transposedSize = test.transposedSize(); |
| 167 | |
| 168 | EXPECT_EQ(768, transposedSize.width()); |
| 169 | EXPECT_EQ(1024, transposedSize.height()); |
| 170 | } |
| 171 | |
| 172 | TEST(IntSize, Casting) |
| 173 | { |
| 174 | WebCore::IntSize test(1024, 768); |
| 175 | |
| 176 | #if USE(CG) |
| 177 | CGSize cgSize = test; |
| 178 | |
| 179 | EXPECT_FLOAT_EQ(1024.0f, cgSize.width); |
| 180 | EXPECT_FLOAT_EQ(768.0f, cgSize.height); |
| 181 | |
| 182 | CGSize cgSize2 = CGSizeMake(-22.3f, 14.6f); |
| 183 | |
| 184 | WebCore::IntSize testCG(cgSize2); |
| 185 | |
| 186 | EXPECT_EQ(-22, testCG.width()); |
| 187 | EXPECT_EQ(14, testCG.height()); |
| 188 | #endif |
| 189 | |
| 190 | #if PLATFORM(WIN) |
| 191 | D2D1_SIZE_U d2dSizeU = test; |
| 192 | EXPECT_EQ(1024, d2dSizeU.width); |
| 193 | EXPECT_EQ(768, d2dSizeU.height); |
| 194 | |
| 195 | D2D1_SIZE_F d2dSizeF = test; |
| 196 | EXPECT_FLOAT_EQ(1024.0f, d2dSizeF.width); |
| 197 | EXPECT_FLOAT_EQ(768.0f, d2dSizeF.height); |
| 198 | |
| 199 | D2D1_SIZE_F d2dSizeF2 = D2D1::SizeF(-22.3f, 14.6f); |
| 200 | |
| 201 | WebCore::IntSize testD2D(d2dSizeF2); |
| 202 | |
| 203 | EXPECT_EQ(-22, testD2D.width()); |
| 204 | EXPECT_EQ(14, testD2D.height()); |
| 205 | |
| 206 | D2D1_SIZE_F d2dSizeU2 = D2D1::SizeF(-23, 16); |
| 207 | |
| 208 | WebCore::IntSize testD2D2(d2dSizeU2); |
| 209 | |
| 210 | EXPECT_EQ(-23, testD2D2.width()); |
| 211 | EXPECT_EQ(16, testD2D2.height()); |
| 212 | #endif |
| 213 | } |
| 214 | |
| 215 | TEST(IntSize, AddSubtract) |
| 216 | { |
| 217 | WebCore::IntSize a(512, 384); |
| 218 | WebCore::IntSize b(100, 100); |
| 219 | |
| 220 | WebCore::IntSize c = a + b; |
| 221 | |
| 222 | EXPECT_EQ(612, c.width()); |
| 223 | EXPECT_EQ(484, c.height()); |
| 224 | |
| 225 | a += b; |
| 226 | |
| 227 | EXPECT_EQ(612, a.width()); |
| 228 | EXPECT_EQ(484, a.height()); |
| 229 | |
| 230 | WebCore::IntSize a2(512, 384); |
| 231 | |
| 232 | WebCore::IntSize d = a2 - b; |
| 233 | |
| 234 | EXPECT_EQ(412, d.width()); |
| 235 | EXPECT_EQ(284, d.height()); |
| 236 | |
| 237 | a2 -= b; |
| 238 | |
| 239 | EXPECT_EQ(412, a2.width()); |
| 240 | EXPECT_EQ(284, a2.height()); |
| 241 | } |
| 242 | |
| 243 | TEST(IntSize, Negation) |
| 244 | { |
| 245 | WebCore::IntSize a(512, 384); |
| 246 | |
| 247 | WebCore::IntSize negated = -a; |
| 248 | |
| 249 | EXPECT_EQ(-512, negated.width()); |
| 250 | EXPECT_EQ(-384, negated.height()); |
| 251 | } |
| 252 | |
| 253 | TEST(IntSize, Equality) |
| 254 | { |
| 255 | WebCore::IntSize a(1024, 768); |
| 256 | WebCore::IntSize b(1024, 768); |
| 257 | WebCore::IntSize c(768, 534); |
| 258 | |
| 259 | ASSERT_TRUE(a == b); |
| 260 | ASSERT_FALSE(a != b); |
| 261 | ASSERT_FALSE(a == c); |
| 262 | ASSERT_TRUE(a != c); |
| 263 | } |
| 264 | |
| 265 | TEST(IntSize, Contract) |
| 266 | { |
| 267 | WebCore::IntSize a(1024, 768); |
| 268 | |
| 269 | a.contract(100, 50); |
| 270 | |
| 271 | EXPECT_EQ(924, a.width()); |
| 272 | EXPECT_EQ(718, a.height()); |
| 273 | } |
| 274 | |
| 275 | TEST(IntSize, Clamp) |
| 276 | { |
| 277 | WebCore::IntSize a(1024, 768); |
| 278 | |
| 279 | a.clampNegativeToZero(); |
| 280 | |
| 281 | EXPECT_EQ(1024, a.width()); |
| 282 | EXPECT_EQ(768, a.height()); |
| 283 | |
| 284 | WebCore::IntSize b(-1024, -768); |
| 285 | |
| 286 | b.clampNegativeToZero(); |
| 287 | |
| 288 | EXPECT_EQ(0, b.width()); |
| 289 | EXPECT_EQ(0, b.height()); |
| 290 | |
| 291 | WebCore::IntSize minimumSize(1024, 1000); |
| 292 | |
| 293 | a.clampToMinimumSize(minimumSize); |
| 294 | |
| 295 | EXPECT_EQ(1024, a.width()); |
| 296 | EXPECT_EQ(1000, a.height()); |
| 297 | } |
| 298 | |
| 299 | TEST(IntSize, ConstrainedBetween) |
| 300 | { |
| 301 | WebCore::IntSize minimumSize(384, 256); |
| 302 | WebCore::IntSize maximumSize(2048, 1536); |
| 303 | |
| 304 | WebCore::IntSize a(1024, 768); |
| 305 | |
| 306 | auto constrained1 = a.constrainedBetween(minimumSize, maximumSize); |
| 307 | |
| 308 | EXPECT_EQ(1024, constrained1.width()); |
| 309 | EXPECT_EQ(768, constrained1.height()); |
| 310 | |
| 311 | WebCore::IntSize b(200, 100); |
| 312 | |
| 313 | auto constrained2 = b.constrainedBetween(minimumSize, maximumSize); |
| 314 | |
| 315 | EXPECT_EQ(384, constrained2.width()); |
| 316 | EXPECT_EQ(256, constrained2.height()); |
| 317 | |
| 318 | WebCore::IntSize c(5000, 2000); |
| 319 | |
| 320 | auto constrained3 = c.constrainedBetween(minimumSize, maximumSize); |
| 321 | |
| 322 | EXPECT_EQ(2048, constrained3.width()); |
| 323 | EXPECT_EQ(1536, constrained3.height()); |
| 324 | } |
| 325 | |
| 326 | /* |
| 327 | |
| 328 | IntSize constrainedBetween(const IntSize& min, const IntSize& max) const; |
| 329 | |
| 330 | */ |
| 331 | |
| 332 | } |
| 333 | |