Upstream version 5.34.104.0
[platform/framework/web/crosswalk.git] / src / 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 WebCore {
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(SimpleWithGlyphOverflowPath, Character::characterRangeCodePath(c6, 1));
85     static UChar c7[] = { 0x2000 };
86     EXPECT_EQ(SimpleWithGlyphOverflowPath, 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     // SimpleWithGlyphOverflow-Simple is SimpleWithGlyphOverflow
163     static UChar c5[] = { 0x1E00, 0x2FF };
164     EXPECT_EQ(SimpleWithGlyphOverflowPath, Character::characterRangeCodePath(c5, 2));
165     // Simple-SimpleWithGlyphOverflow is SimpleWithGlyphOverflow
166     static UChar c6[] = { 0x2FF, 0x2000 };
167     EXPECT_EQ(SimpleWithGlyphOverflowPath, Character::characterRangeCodePath(c6, 2));
168     // SimpleWithGlyphOverflow-Complex is Complex
169     static UChar c7[] = { 0x1E00, 0x330 };
170     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c7, 2));
171     // Complex-SimpleWithGlyphOverflow is Complex
172     static UChar c8[] = { 0x330, 0x2000 };
173     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c8, 2));
174     // Surrogate-Complex is Complex
175     static UChar c9[] = { 0xD83C, 0xDDE5, 0x330 };
176     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c9, 3));
177     // Complex-Surrogate is Complex
178     static UChar c10[] = { 0x330, 0xD83C, 0xDDE5 };
179     EXPECT_EQ(ComplexPath, Character::characterRangeCodePath(c10, 3));
180 }
181
182 static void TestSpecificUChar32RangeIdeograph(UChar32 rangeStart, UChar32 rangeEnd)
183 {
184     EXPECT_FALSE(Character::isCJKIdeograph(rangeStart - 1));
185     EXPECT_TRUE(Character::isCJKIdeograph(rangeStart));
186     EXPECT_TRUE(Character::isCJKIdeograph((UChar32)((uint64_t)rangeStart + (uint64_t)rangeEnd) / 2));
187     EXPECT_TRUE(Character::isCJKIdeograph(rangeEnd));
188     EXPECT_FALSE(Character::isCJKIdeograph(rangeEnd + 1));
189 }
190
191 TEST(FontTest, TestIsCJKIdeograph)
192 {
193     // The basic CJK Unified Ideographs block.
194     TestSpecificUChar32RangeIdeograph(0x4E00, 0x9FFF);
195     // CJK Unified Ideographs Extension A.
196     TestSpecificUChar32RangeIdeograph(0x3400, 0x4DBF);
197     // CJK Unified Ideographs Extension A and Kangxi Radicals.
198     TestSpecificUChar32RangeIdeograph(0x2E80, 0x2FDF);
199     // CJK Strokes.
200     TestSpecificUChar32RangeIdeograph(0x31C0, 0x31EF);
201     // CJK Compatibility Ideographs.
202     TestSpecificUChar32RangeIdeograph(0xF900, 0xFAFF);
203     // CJK Unified Ideographs Extension B.
204     TestSpecificUChar32RangeIdeograph(0x20000, 0x2A6DF);
205     // CJK Unified Ideographs Extension C.
206     // CJK Unified Ideographs Extension D.
207     TestSpecificUChar32RangeIdeograph(0x2A700, 0x2B81F);
208     // CJK Compatibility Ideographs Supplement.
209     TestSpecificUChar32RangeIdeograph(0x2F800, 0x2FA1F);
210 }
211
212 static void TestSpecificUChar32RangeIdeographSymbol(UChar32 rangeStart, UChar32 rangeEnd)
213 {
214     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(rangeStart - 1));
215     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(rangeStart));
216     EXPECT_TRUE(Character::isCJKIdeographOrSymbol((UChar32)((uint64_t)rangeStart + (uint64_t)rangeEnd) / 2));
217     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(rangeEnd));
218     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(rangeEnd + 1));
219 }
220
221 TEST(FontTest, TestIsCJKIdeographOrSymbol)
222 {
223     // CJK Compatibility Ideographs Supplement.
224     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2C7));
225     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2CA));
226     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2CB));
227     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2D9));
228
229     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2020));
230     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2021));
231     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2030));
232     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x203B));
233     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x203C));
234     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2042));
235     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2047));
236     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2048));
237     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2049));
238     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2051));
239     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x20DD));
240     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x20DE));
241     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2100));
242     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2103));
243     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2105));
244     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2109));
245     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x210A));
246     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2113));
247     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2116));
248     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2121));
249     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x212B));
250     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x213B));
251     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2150));
252     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2151));
253     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2152));
254
255     TestSpecificUChar32RangeIdeographSymbol(0x2156, 0x215A);
256     TestSpecificUChar32RangeIdeographSymbol(0x2160, 0x216B);
257     TestSpecificUChar32RangeIdeographSymbol(0x2170, 0x217B);
258
259     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x217F));
260     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2189));
261     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2307));
262     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2312));
263
264     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0x23BD));
265     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x23BE));
266     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x23C4));
267     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x23CC));
268     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0x23CD));
269     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x23CE));
270     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2423));
271
272     TestSpecificUChar32RangeIdeographSymbol(0x2460, 0x2492);
273     TestSpecificUChar32RangeIdeographSymbol(0x249C, 0x24FF);
274
275     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25A0));
276     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25A1));
277     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25A2));
278     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25AA));
279     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25AB));
280     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25B1));
281     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25B2));
282     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25B3));
283     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25B6));
284     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25B7));
285     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25BC));
286     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25BD));
287     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25C0));
288     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25C1));
289     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25C6));
290     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25C7));
291     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25C9));
292     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25CB));
293     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25CC));
294
295     TestSpecificUChar32RangeIdeographSymbol(0x25CE, 0x25D3);
296     TestSpecificUChar32RangeIdeographSymbol(0x25E2, 0x25E6);
297
298     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x25EF));
299
300     TestSpecificUChar32RangeIdeographSymbol(0x2600, 0x2603);
301
302     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2605));
303     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2606));
304     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x260E));
305     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2616));
306     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2617));
307     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2640));
308     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2642));
309
310     TestSpecificUChar32RangeIdeographSymbol(0x2660, 0x266F);
311     TestSpecificUChar32RangeIdeographSymbol(0x2672, 0x267D);
312
313     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x26A0));
314     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x26BD));
315     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x26BE));
316     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2713));
317     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x271A));
318     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x273F));
319     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2740));
320     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2756));
321
322     TestSpecificUChar32RangeIdeographSymbol(0x2776, 0x277F);
323
324     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x2B1A));
325
326     TestSpecificUChar32RangeIdeographSymbol(0x2FF0, 0x302F);
327     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x3031));
328     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x312F));
329     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0x3130));
330
331     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0x318F));
332     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x3190));
333     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x319F));
334     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x31BF));
335
336     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0x31FF));
337     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x3200));
338     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x3300));
339     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x33FF));
340
341     TestSpecificUChar32RangeIdeographSymbol(0xF860, 0xF862);
342     TestSpecificUChar32RangeIdeographSymbol(0xFE30, 0xFE4F);
343
344     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0xFE10));
345     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0xFE11));
346     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0xFE12));
347     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0xFE19));
348
349     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0xFF0D));
350     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0xFF1B));
351     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0xFF1C));
352     EXPECT_FALSE(Character::isCJKIdeographOrSymbol(0xFF1E));
353
354     TestSpecificUChar32RangeIdeographSymbol(0xFF00, 0xFFEF);
355
356     EXPECT_TRUE(Character::isCJKIdeographOrSymbol(0x1F100));
357
358     TestSpecificUChar32RangeIdeographSymbol(0x1F110, 0x1F129);
359     TestSpecificUChar32RangeIdeographSymbol(0x1F130, 0x1F149);
360     TestSpecificUChar32RangeIdeographSymbol(0x1F150, 0x1F169);
361     TestSpecificUChar32RangeIdeographSymbol(0x1F170, 0x1F189);
362     TestSpecificUChar32RangeIdeographSymbol(0x1F200, 0x1F6FF);
363 }
364
365 } // namespace WebCore
366