third_party/WebKit/Source/platform/fonts/FontTest.cpp

   1 /*
   2  * Copyright (C) 2013 Google 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  *
   8  * 1.  Redistributions of source code must retain the above copyright
   9  *     notice, this list of conditions and the following disclaimer.
  10  * 2.  Redistributions in binary form must reproduce the above copyright
  11  *     notice, this list of conditions and the following disclaimer in the
  12  *     documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 // Tests for the Font class.
  27
  28 #include "config.h"
  29
  30 #include "platform/fonts/Character.h"
  31 #include "platform/fonts/Font.h"
  32
  33 #include <gtest/gtest.h>
  34
  35 namespace blink {
  36
  37 static void TestSpecificUCharRange(UChar rangeStart, UChar rangeEnd)
  38 {
  39     UChar below[1];
  40     UChar start[1];
  41     UChar midway[1];
  42     UChar end[1];
  43     UChar above[1];
  44
  45     below[0] = rangeStart - 1;
  46     start[0] = rangeStart;
  47     midway[0] = ((int)rangeStart + (int)rangeEnd) / 2;
  48     end[0] = rangeEnd;
  49     above[0] = rangeEnd + 1;
  50
  51     EXPECT_EQ(SimplePath, Character::characterRangeCodePath(below, 1));
  52     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(start, 1));
  53     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(midway, 1));
  54     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(end, 1));
  55     EXPECT_EQ(SimplePath, Character::characterRangeCodePath(above, 1));
  56 }
  57
  58 TEST(FontTest, TestCharacterRangeCodePath)
  59 {
  60     static UChar c1[] = { 0x0 };
  61     EXPECT_EQ(SimplePath, Character::characterRangeCodePath(c1, 1));
  62
  63     TestSpecificUCharRange(0x2E5, 0x2E9);
  64     TestSpecificUCharRange(0x300, 0x36F);
  65     TestSpecificUCharRange(0x0591, 0x05BD);
  66     TestSpecificUCharRange(0x05BF, 0x05CF);
  67     TestSpecificUCharRange(0x0600, 0x109F);
  68     TestSpecificUCharRange(0x1100, 0x11FF);
  69     TestSpecificUCharRange(0x135D, 0x135F);
  70     TestSpecificUCharRange(0x1700, 0x18AF);
  71     TestSpecificUCharRange(0x1900, 0x194F);
  72     TestSpecificUCharRange(0x1980, 0x19DF);
  73     TestSpecificUCharRange(0x1A00, 0x1CFF);
  74
  75     static UChar c2[] = { 0x1DBF };
  76     EXPECT_EQ(SimplePath, Character::characterRangeCodePath(c2, 1));
  77     static UChar c3[] = { 0x1DC0 };
  78     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c3, 1));
  79     static UChar c4[] = { 0x1DD0 };
  80     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c4, 1));
  81     static UChar c5[] = { 0x1DFF };
  82     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c5, 1));
  83     static UChar c6[] = { 0x1E00 };
  84     EXPECT_EQ(SimplePath, Character::characterRangeCodePath(c6, 1));
  85     static UChar c7[] = { 0x2000 };
  86     EXPECT_EQ(SimplePath, Character::characterRangeCodePath(c7, 1));
  87     static UChar c8[] = { 0x2001 };
  88     EXPECT_EQ(SimplePath, Character::characterRangeCodePath(c8, 1));
  89
  90     TestSpecificUCharRange(0x20D0, 0x20FF);
  91     TestSpecificUCharRange(0x2CEF, 0x2CF1);
  92     TestSpecificUCharRange(0x302A, 0x302F);
  93
  94     TestSpecificUCharRange(0xA67C, 0xA67D);
  95     TestSpecificUCharRange(0xA6F0, 0xA6F1);
  96     TestSpecificUCharRange(0xA800, 0xABFF);
  97
  98     TestSpecificUCharRange(0xD7B0, 0xD7FF);
  99     TestSpecificUCharRange(0xFE00, 0xFE0F);
 100     TestSpecificUCharRange(0xFE20, 0xFE2F);
 101 }
 102
 103 TEST(FontTest, TestCharacterRangeCodePathSurrogate1)
 104 {
 105     /* To be surrogate ... */
 106     /* 1st character must be 0xD800 .. 0xDBFF */
 107     /* 2nd character must be 0xdc00 .. 0xdfff */
 108
 109     /* The following 5 should all be Simple because they are not surrogate. */
 110     static UChar c1[] = { 0xD800, 0xDBFE };
 111     EXPECT_EQ(SimplePath, Character::characterRangeCodePath(c1, 2));
 112     static UChar c2[] = { 0xD800, 0xE000 };
 113     EXPECT_EQ(SimplePath, Character::characterRangeCodePath(c2, 2));
 114     static UChar c3[] = { 0xDBFF, 0xDBFE };
 115     EXPECT_EQ(SimplePath, Character::characterRangeCodePath(c3, 2));
 116     static UChar c4[] = { 0xDBFF, 0xE000 };
 117     EXPECT_EQ(SimplePath, Character::characterRangeCodePath(c4, 2));
 118     static UChar c5[] = { 0xDC00, 0xDBFF };
 119     EXPECT_EQ(SimplePath, Character::characterRangeCodePath(c5, 2));
 120
 121     /* To be Complex, the Supplementary Character must be in either */
 122     /* U+1F1E6 through U+1F1FF or U+E0100 through U+E01EF. */
 123     /* That is, a lead of 0xD83C with trail 0xDDE6 .. 0xDDFF or */
 124     /* a lead of 0xDB40 with trail 0xDD00 .. 0xDDEF. */
 125     static UChar c6[] = { 0xD83C, 0xDDE5 };
 126     EXPECT_EQ(SimplePath, Character::characterRangeCodePath(c6, 2));
 127     static UChar c7[] = { 0xD83C, 0xDDE6 };
 128     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c7, 2));
 129     static UChar c8[] = { 0xD83C, 0xDDF0 };
 130     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c8, 2));
 131     static UChar c9[] = { 0xD83C, 0xDDFF };
 132     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c9, 2));
 133     static UChar c10[] = { 0xD83C, 0xDE00 };
 134     EXPECT_EQ(SimplePath, Character::characterRangeCodePath(c10, 2));
 135
 136     static UChar c11[] = { 0xDB40, 0xDCFF };
 137     EXPECT_EQ(SimplePath, Character::characterRangeCodePath(c11, 2));
 138     static UChar c12[] = { 0xDB40, 0xDD00 };
 139     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c12, 2));
 140     static UChar c13[] = { 0xDB40, 0xDDED };
 141     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c13, 2));
 142     static UChar c14[] = { 0xDB40, 0xDDEF };
 143     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c14, 2));
 144     static UChar c15[] = { 0xDB40, 0xDDF0 };
 145     EXPECT_EQ(SimplePath, Character::characterRangeCodePath(c15, 2));
 146 }
 147
 148 TEST(FontTest, TestCharacterRangeCodePathString)
 149 {
 150     // Simple-Simple is still simple
 151     static UChar c1[] = { 0x2FF, 0x2FF };
 152     EXPECT_EQ(SimplePath, Character::characterRangeCodePath(c1, 2));
 153     // Complex-Simple is Complex
 154     static UChar c2[] = { 0x300, 0x2FF };
 155     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c2, 2));
 156     // Simple-Complex is Complex
 157     static UChar c3[] = { 0x2FF, 0x330 };
 158     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c3, 2));
 159     // Complex-Complex is Complex
 160     static UChar c4[] = { 0x36F, 0x330 };
 161     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c4, 2));
 162     // Surrogate-Complex is Complex
 163     static UChar c5[] = { 0xD83C, 0xDDE5, 0x330 };
 164     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c5, 3));
 165     // Complex-Surrogate is Complex
 166     static UChar c6[] = { 0x330, 0xD83C, 0xDDE5 };
 167     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c6, 3));
 168 }
 169
 170 static void TestSpecificUChar32RangeIdeograph(UChar32 rangeStart, UChar32 rangeEnd)
 171 {
 172     EXPECT_FALSE(Character::isCJKIdeograph(rangeStart - 1));
 173     EXPECT_TRUE(Character::isCJKIdeograph(rangeStart));
 174     EXPECT_TRUE(Character::isCJKIdeograph((UChar32)((uint64_t)rangeStart + (uint64_t)rangeEnd) / 2));
 175     EXPECT_TRUE(Character::isCJKIdeograph(rangeEnd));
 176     EXPECT_FALSE(Character::isCJKIdeograph(rangeEnd + 1));
 177 }
 178
 179 TEST(FontTest, TestIsCJKIdeograph)
 180 {
 181     // The basic CJK Unified Ideographs block.
 182     TestSpecificUChar32RangeIdeograph(0x4E00, 0x9FFF);
 183     // CJK Unified Ideographs Extension A.
 184     TestSpecificUChar32RangeIdeograph(0x3400, 0x4DBF);
 185     // CJK Unified Ideographs Extension A and Kangxi Radicals.
 186     TestSpecificUChar32RangeIdeograph(0x2E80, 0x2FDF);
 187     // CJK Strokes.
 188     TestSpecificUChar32RangeIdeograph(0x31C0, 0x31EF);
 189     // CJK Compatibility Ideographs.
 190     TestSpecificUChar32RangeIdeograph(0xF900, 0xFAFF);
 191     // CJK Unified Ideographs Extension B.
 192     TestSpecificUChar32RangeIdeograph(0x20000, 0x2A6DF);
 193     // CJK Unified Ideographs Extension C.
 194     // CJK Unified Ideographs Extension D.
 195     TestSpecificUChar32RangeIdeograph(0x2A700, 0x2B81F);
 196     // CJK Compatibility Ideographs Supplement.
 197     TestSpecificUChar32RangeIdeograph(0x2F800, 0x2FA1F);
 198 }
 199
 200 static void TestSpecificUChar32RangeIdeographSymbol(UChar32 rangeStart, UChar32 rangeEnd)
 201 {
 202     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(rangeStart - 1));
 203     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(rangeStart));
 204     EXPECT_TRUE(Character::isCJKIdeographOrSymbol((UChar32)((uint64_t)rangeStart + (uint64_t)rangeEnd) / 2));
 205     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(rangeEnd));
 206     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(rangeEnd + 1));
 207 }
 208
 209 TEST(FontTest, TestIsCJKIdeographOrSymbol)
 210 {
 211     // CJK Compatibility Ideographs Supplement.
 212     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2C7));
 213     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2CA));
 214     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2CB));
 215     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2D9));
 216
 217     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2020));
 218     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2021));
 219     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2030));
 220     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x203B));
 221     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x203C));
 222     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2042));
 223     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2047));
 224     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2048));
 225     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2049));
 226     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2051));
 227     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x20DD));
 228     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x20DE));
 229     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2100));
 230     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2103));
 231     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2105));
 232     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2109));
 233     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x210A));
 234     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2113));
 235     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2116));
 236     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2121));
 237     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x212B));
 238     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x213B));
 239     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2150));
 240     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2151));
 241     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2152));
 242
 243     TestSpecificUChar32RangeIdeographSymbol(0x2156, 0x215A);
 244     TestSpecificUChar32RangeIdeographSymbol(0x2160, 0x216B);
 245     TestSpecificUChar32RangeIdeographSymbol(0x2170, 0x217B);
 246
 247     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x217F));
 248     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2189));
 249     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2307));
 250     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2312));
 251
 252     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0x23BD));
 253     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x23BE));
 254     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x23C4));
 255     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x23CC));
 256     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0x23CD));
 257     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x23CE));
 258     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2423));
 259
 260     TestSpecificUChar32RangeIdeographSymbol(0x2460, 0x2492);
 261     TestSpecificUChar32RangeIdeographSymbol(0x249C, 0x24FF);
 262
 263     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25A0));
 264     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25A1));
 265     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25A2));
 266     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25AA));
 267     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25AB));
 268     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25B1));
 269     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25B2));
 270     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25B3));
 271     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25B6));
 272     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25B7));
 273     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25BC));
 274     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25BD));
 275     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25C0));
 276     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25C1));
 277     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25C6));
 278     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25C7));
 279     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25C9));
 280     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25CB));
 281     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25CC));
 282
 283     TestSpecificUChar32RangeIdeographSymbol(0x25CE, 0x25D3);
 284     TestSpecificUChar32RangeIdeographSymbol(0x25E2, 0x25E6);
 285
 286     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25EF));
 287
 288     TestSpecificUChar32RangeIdeographSymbol(0x2600, 0x2603);
 289
 290     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2605));
 291     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2606));
 292     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x260E));
 293     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2616));
 294     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2617));
 295     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2640));
 296     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2642));
 297
 298     TestSpecificUChar32RangeIdeographSymbol(0x2660, 0x266F);
 299     TestSpecificUChar32RangeIdeographSymbol(0x2672, 0x267D);
 300
 301     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x26A0));
 302     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x26BD));
 303     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x26BE));
 304     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2713));
 305     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x271A));
 306     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x273F));
 307     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2740));
 308     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2756));
 309
 310     TestSpecificUChar32RangeIdeographSymbol(0x2776, 0x277F);
 311
 312     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2B1A));
 313
 314     TestSpecificUChar32RangeIdeographSymbol(0x2FF0, 0x302F);
 315     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x3031));
 316     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x312F));
 317     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0x3130));
 318
 319     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0x318F));
 320     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x3190));
 321     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x319F));
 322     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x31BF));
 323
 324     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0x31FF));
 325     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x3200));
 326     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x3300));
 327     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x33FF));
 328
 329     TestSpecificUChar32RangeIdeographSymbol(0xF860, 0xF862);
 330     TestSpecificUChar32RangeIdeographSymbol(0xFE30, 0xFE4F);
 331
 332     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0xFE10));
 333     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0xFE11));
 334     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0xFE12));
 335     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0xFE19));
 336
 337     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0xFF0D));
 338     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0xFF1B));
 339     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0xFF1C));
 340     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0xFF1E));
 341
 342     TestSpecificUChar32RangeIdeographSymbol(0xFF00, 0xFFEF);
 343
 344     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x1F100));
 345
 346     TestSpecificUChar32RangeIdeographSymbol(0x1F110, 0x1F129);
 347     TestSpecificUChar32RangeIdeographSymbol(0x1F130, 0x1F149);
 348     TestSpecificUChar32RangeIdeographSymbol(0x1F150, 0x1F169);
 349     TestSpecificUChar32RangeIdeographSymbol(0x1F170, 0x1F189);
 350     TestSpecificUChar32RangeIdeographSymbol(0x1F200, 0x1F6FF);
 351 }
 352
 353 } // namespace blink
 354