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1 /* | |
2 * Copyright 2014 Google Inc. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license that can be | |
5 * found in the LICENSE file. | |
6 */ | |
7 | |
8 #include "Resources.h" | |
9 #include "SkCommandLineFlags.h" | |
10 #include "SkFontConfigParser_android.h" | |
11 #include "Test.h" | |
12 | |
13 #include <cmath> | |
14 #include <cstdio> | |
15 | |
16 DECLARE_bool(verboseFontMgr); | |
17 | |
18 int CountFallbacks(SkTDArray<FontFamily*> fontFamilies) { | |
19 int countOfFallbackFonts = 0; | |
20 for (int i = 0; i < fontFamilies.count(); i++) { | |
21 if (fontFamilies[i]->fIsFallbackFont) { | |
22 countOfFallbackFonts++; | |
23 } | |
24 } | |
25 return countOfFallbackFonts; | |
26 } | |
27 | |
28 //https://tools.ietf.org/html/rfc5234#appendix-B.1 | |
29 static bool isALPHA(int c) { | |
30 return ('a' <= c && c <= 'z') || ('A' <= c && c <= 'Z'); | |
31 } | |
32 | |
33 //https://tools.ietf.org/html/rfc5234#appendix-B.1 | |
34 static bool isDIGIT(int c) { | |
35 return ('0' <= c && c <= '9'); | |
36 } | |
37 | |
38 void ValidateLoadedFonts(SkTDArray<FontFamily*> fontFamilies, const char* firstE
xpectedFile, | |
39 skiatest::Reporter* reporter) { | |
40 REPORTER_ASSERT(reporter, fontFamilies[0]->fNames.count() == 5); | |
41 REPORTER_ASSERT(reporter, !strcmp(fontFamilies[0]->fNames[0].c_str(), "sans-
serif")); | |
42 REPORTER_ASSERT(reporter, | |
43 !strcmp(fontFamilies[0]->fFonts[0].fFileName.c_str(), firstE
xpectedFile)); | |
44 REPORTER_ASSERT(reporter, !fontFamilies[0]->fIsFallbackFont); | |
45 | |
46 // Check that the languages are all sane. | |
47 for (int i = 0; i < fontFamilies.count(); ++i) { | |
48 const SkString& lang = fontFamilies[i]->fLanguage.getTag(); | |
49 for (size_t j = 0; j < lang.size(); ++j) { | |
50 int c = lang[j]; | |
51 REPORTER_ASSERT(reporter, isALPHA(c) || isDIGIT(c) || '-' == c); | |
52 } | |
53 } | |
54 | |
55 // All file names in the test configuration files start with a capital lette
r. | |
56 // This is not a general requirement, but it is true of all the test configu
ration data. | |
57 // Verifying ensures the filenames have been read sanely and have not been '
sliced'. | |
58 for (int i = 0; i < fontFamilies.count(); ++i) { | |
59 FontFamily& family = *fontFamilies[i]; | |
60 for (int j = 0; j < family.fFonts.count(); ++j) { | |
61 FontFileInfo& file = family.fFonts[j]; | |
62 REPORTER_ASSERT(reporter, !file.fFileName.isEmpty() && | |
63 file.fFileName[0] >= 'A' && | |
64 file.fFileName[0] <= 'Z'); | |
65 } | |
66 } | |
67 } | |
68 | |
69 void DumpLoadedFonts(SkTDArray<FontFamily*> fontFamilies, const char* label) { | |
70 if (!FLAGS_verboseFontMgr) { | |
71 return; | |
72 } | |
73 | |
74 SkDebugf("\n--- Dumping %s\n", label); | |
75 for (int i = 0; i < fontFamilies.count(); ++i) { | |
76 SkDebugf("Family %d:\n", i); | |
77 switch(fontFamilies[i]->fVariant) { | |
78 case kElegant_FontVariant: SkDebugf(" elegant\n"); break; | |
79 case kCompact_FontVariant: SkDebugf(" compact\n"); break; | |
80 default: break; | |
81 } | |
82 SkDebugf(" basePath %s\n", fontFamilies[i]->fBasePath.c_str()); | |
83 if (!fontFamilies[i]->fLanguage.getTag().isEmpty()) { | |
84 SkDebugf(" language %s\n", fontFamilies[i]->fLanguage.getTag().c_st
r()); | |
85 } | |
86 for (int j = 0; j < fontFamilies[i]->fNames.count(); ++j) { | |
87 SkDebugf(" name %s\n", fontFamilies[i]->fNames[j].c_str()); | |
88 } | |
89 for (int j = 0; j < fontFamilies[i]->fFonts.count(); ++j) { | |
90 const FontFileInfo& ffi = fontFamilies[i]->fFonts[j]; | |
91 SkDebugf(" file (%d) %s#%d\n", ffi.fWeight, ffi.fFileName.c_str(),
ffi.fIndex); | |
92 } | |
93 } | |
94 SkDebugf("\n\n"); | |
95 } | |
96 | |
97 template <int N, typename T> static double test_parse_fixed_r(skiatest::Reporter
* reporter, | |
98 double low, double
high, double inc) | |
99 { | |
100 double SK_FixedMax_double = nextafter(1 << (sizeof(T) * CHAR_BIT - N - 1), 0
.0); | |
101 double SK_FixedEpsilon_double = (1.0 / (1 << N)); | |
102 double maxError = 0; | |
103 char buffer[64]; | |
104 for (double f = low; f < high; f += inc) { | |
105 SkString s; | |
106 // 'sprintf' formatting as expected depends on the current locale being
"C". | |
107 // We currently expect tests and tools to run in the "C" locale. | |
108 sprintf(buffer, "%.20f", f); | |
109 T fix; | |
110 bool b = parse_fixed<N>(buffer, &fix); | |
111 if (b) { | |
112 double f2 = fix * SK_FixedEpsilon_double; | |
113 double error = fabs(f - f2); | |
114 REPORTER_ASSERT(reporter, error <= SK_FixedEpsilon_double); | |
115 maxError = SkTMax(maxError, error); | |
116 } else { | |
117 REPORTER_ASSERT(reporter, f < -SK_FixedMax_double || SK_FixedMax_dou
ble < f); | |
118 } | |
119 } | |
120 | |
121 //SkDebugf("maxError: %.20f\n", maxError); | |
122 return maxError; | |
123 } | |
124 | |
125 static void test_parse_fixed(skiatest::Reporter* reporter) { | |
126 test_parse_fixed_r<27, int32_t>(reporter, -8.1, -7.9, 0.000001); | |
127 test_parse_fixed_r<27, int32_t>(reporter, -0.1, 0.1, 0.000001); | |
128 test_parse_fixed_r<27, int32_t>(reporter, 7.9, 8.1, 0.000001); | |
129 test_parse_fixed_r<16, int32_t>(reporter, -0.125, 0.125, 1.0 / (1 << 19)); | |
130 test_parse_fixed_r<16, int32_t>(reporter, -32768.125, -32766.875, 1.0 / (1 <
< 17)); | |
131 test_parse_fixed_r<16, int32_t>(reporter, 32766.875, 32768.125, 1.0 / (1 <<
17)); | |
132 test_parse_fixed_r<16, int32_t>(reporter, -1.1, 1.1, 0.0001); | |
133 | |
134 SkFixed fix; | |
135 REPORTER_ASSERT(reporter, !parse_fixed<27>("-17.1", &fix)); | |
136 REPORTER_ASSERT(reporter, !parse_fixed<16>("32768", &fix)); | |
137 REPORTER_ASSERT(reporter, !parse_fixed<16>("", &fix)); | |
138 REPORTER_ASSERT(reporter, !parse_fixed<16>(".", &fix)); | |
139 REPORTER_ASSERT(reporter, !parse_fixed<16>("123.", &fix)); | |
140 REPORTER_ASSERT(reporter, !parse_fixed<16>("a", &fix)); | |
141 REPORTER_ASSERT(reporter, !parse_fixed<16>(".123a", &fix)); | |
142 } | |
143 | |
144 DEF_TEST(FontConfigParserAndroid, reporter) { | |
145 test_parse_fixed(reporter); | |
146 | |
147 bool resourcesMissing = false; | |
148 | |
149 SkTDArray<FontFamily*> preV17FontFamilies; | |
150 SkFontConfigParser::GetCustomFontFamilies(preV17FontFamilies, | |
151 SkString("/custom/font/path/"), | |
152 GetResourcePath("android_fonts/pre_v17/system_fonts.xml").c_str(), | |
153 GetResourcePath("android_fonts/pre_v17/fallback_fonts.xml").c_str()); | |
154 | |
155 if (preV17FontFamilies.count() > 0) { | |
156 REPORTER_ASSERT(reporter, preV17FontFamilies.count() == 14); | |
157 REPORTER_ASSERT(reporter, CountFallbacks(preV17FontFamilies) == 10); | |
158 | |
159 DumpLoadedFonts(preV17FontFamilies, "pre version 17"); | |
160 ValidateLoadedFonts(preV17FontFamilies, "Roboto-Regular.ttf", reporter); | |
161 } else { | |
162 resourcesMissing = true; | |
163 } | |
164 | |
165 | |
166 SkTDArray<FontFamily*> v17FontFamilies; | |
167 SkFontConfigParser::GetCustomFontFamilies(v17FontFamilies, | |
168 SkString("/custom/font/path/"), | |
169 GetResourcePath("android_fonts/v17/system_fonts.xml").c_str(), | |
170 GetResourcePath("android_fonts/v17/fallback_fonts.xml").c_str(), | |
171 GetResourcePath("android_fonts/v17").c_str()); | |
172 | |
173 if (v17FontFamilies.count() > 0) { | |
174 REPORTER_ASSERT(reporter, v17FontFamilies.count() == 56); | |
175 REPORTER_ASSERT(reporter, CountFallbacks(v17FontFamilies) == 46); | |
176 | |
177 DumpLoadedFonts(v17FontFamilies, "version 17"); | |
178 ValidateLoadedFonts(v17FontFamilies, "Roboto-Regular.ttf", reporter); | |
179 } else { | |
180 resourcesMissing = true; | |
181 } | |
182 | |
183 | |
184 SkTDArray<FontFamily*> v22FontFamilies; | |
185 SkFontConfigParser::GetCustomFontFamilies(v22FontFamilies, | |
186 SkString("/custom/font/path/"), | |
187 GetResourcePath("android_fonts/v22/fonts.xml").c_str(), | |
188 NULL); | |
189 | |
190 if (v22FontFamilies.count() > 0) { | |
191 REPORTER_ASSERT(reporter, v22FontFamilies.count() == 54); | |
192 REPORTER_ASSERT(reporter, CountFallbacks(v22FontFamilies) == 42); | |
193 | |
194 DumpLoadedFonts(v22FontFamilies, "version 22"); | |
195 ValidateLoadedFonts(v22FontFamilies, "Roboto-Thin.ttf", reporter); | |
196 } else { | |
197 resourcesMissing = true; | |
198 } | |
199 | |
200 if (resourcesMissing) { | |
201 SkDebugf("---- Resource files missing for FontConfigParser test\n"); | |
202 } | |
203 } | |
204 | |
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