1 /*
2 * Copyright 2011 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 "Test.h"
9
10 // Include the implementation so we can make an appropriate template instance.
11 #include "SkAdvancedTypefaceMetrics.h"
12
13 using namespace skia_advanced_typeface_metrics_utils;
14
15 // Negative values and zeros in a range plus trailing zeros.
16 // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
17 static const int16_t data1[] = {-1, 0, -3, 4, 5, 6, 7, 0, 0, 0, 8, 0, 0, 0, 0};
18 static const char* expected1 = "0[-1 0 -3 4 5 6 7 0 0 0 8]";
19
20 // Run with leading and trailing zeros.
21 // Test rules: d 0 1 2 3 4 5 6 7 8 9 10 11
22 static const int16_t data2[] = {0, 0, 0, 100, 100, 100, 100, 100, 100, 100, 0, 0};
23 static const char* expected2 = "3 9 100";
24
25 // Removing 0's from a range.
26 // Test rules: a 0 1 2 3 4 5 6 7 8 9 10 11
27 static const int16_t data3[] = {1, 2, 0, 0, 0, 3, 4, 0, 0, 0, 0, 5};
28 static const char* expected3 = "0[1 2 0 0 0 3 4] 11[5]";
29
30 // Removing 0's from a run/range and between runs.
31 // Test rules: a, b 0 1 2 3 4 5 6 7 8 9 10 11 12 14 15
32 static const int16_t data4[] = {1, 0, 0, 0, 1, 2, 2, 2, 3, 0, 0, 0, 0, 3, 4};
33 static const char* expected4 = "0[1 0 0 0 1] 5 7 2 8[3] 13[3 4]";
34
35 // Runs that starts outside a range.
36 // Test rules: a, e 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17
37 static const int16_t data5[] = {1, 1, 2, 3, 0, 0, 0, 0, 5, 5, 6, 7, 0, 0, 0, 0, 8, 0};
38 static const char* expected5 = "0 1 1 2[2 3] 8 9 5 10[6 7] 16[8]";
39
40 // Zeros and runs that should be broken out.
41 // Test rules: a, b, e 0 1 2 3 4 5 6 7 8 9 10 11 12 13
42 static const int16_t data6[] = {1, 0, 0, 0, 0, 1, 2, 3, 3, 4, 5, 5, 5, 6};
43 static const char* expected6 = "0[1] 5[1 2 3 3 4] 10 12 5 13[6]";
44
45 // Don't cares that aren't enough to break out a run.
46 // Test rules: c 0 1 2 3 4 5
47 static const int16_t data7[] = {1, 2, 10, 11, 2, 3};
48 static const char* expected7 = "0[1 2 10 11 2 3]";
49 static const uint32_t subset7[] = {0, 1, 4, 5};
50 static const char* expectedSubset7 = "0[1 2 0 0 2 3]";
51
52 // Don't cares that are enough to break out a run.
53 // Test rules: c 0 1 2 3 4 5 6
54 static const int16_t data8[] = {1, 2, 10, 11, 12, 2, 3};
55 static const char* expected8 = "0[1 2 10 11 12 2 3]";
56 static const uint32_t subset8[] = {0, 1, 5, 6};
57 static const char* expectedSubset8 = "0[1] 1 5 2 6[3]";
58
59 // Leading don't cares.
60 // Test rules: d 0 1 2 3 4
61 static const int16_t data9[] = {1, 1, 10, 2, 3};
62 static const char* expected9 = "0 1 1 2[10 2 3]";
63 static const uint32_t subset9[] = {0, 1, 3, 4};
64 static const char* expectedSubset9 = "0 1 1 3[2 3]";
65
66 // Almost run of don't cares inside a range.
67 // Test rules: c 0 1 2 3 4 5
68 static const int16_t data10[] = {1, 2, 10, 11, 12, 3};
69 static const char* expected10 = "0[1 2 10 11 12 3]";
70 static const uint32_t subset10[] = {0, 1, 5};
71 static const char* expectedSubset10 = "0[1 2 0 0 0 3]";
72
73 // Run of don't cares inside a range.
74 // Test rules: c 0 1 2 3 4 5 6
75 static const int16_t data11[] = {1, 2, 10, 11, 12, 13, 3};
76 static const char* expected11 = "0[1 2 10 11 12 13 3]";
77 static const uint32_t subset11[] = {0, 1, 6};
78 static const char* expectedSubset11 = "0[1 2] 6[3]";
79
80 // Almost run within a range with leading don't cares.
81 // Test rules: c 0 1 2 3 4 5 6
82 static const int16_t data12[] = {1, 10, 11, 2, 12, 13, 3};
83 static const char* expected12 = "0[1 10 11 2 12 13 3]";
84 static const uint32_t subset12[] = {0, 3, 6};
85 static const char* expectedSubset12 = "0[1 0 0 2 0 0 3]";
86
87 // Run within a range with leading don't cares.
88 // Test rules: c 0 1 2 3 4 5 6 7
89 static const int16_t data13[] = {1, 10, 11, 2, 2, 12, 13, 3};
90 static const char* expected13 = "0[1 10 11 2 2 12 13 3]";
91 static const uint32_t subset13[] = {0, 3, 4, 7};
92 static const char* expectedSubset13 = "0[1] 1 6 2 7[3]";
93
94 // Enough don't cares to breakup something.
95 // Test rules: a 0 1 2 3 4 5
96 static const int16_t data14[] = {1, 0, 0, 0, 0, 2};
97 static const char* expected14 = "0[1] 5[2]";
98 static const uint32_t subset14[] = {0, 5};
99 static const char* expectedSubset14 = "0[1] 5[2]";
100
stringify_advance_data(SkAdvancedTypefaceMetrics::AdvanceMetric<int16_t> * data)101 static SkString stringify_advance_data(SkAdvancedTypefaceMetrics::AdvanceMetric<int16_t>* data) {
102 SkString result;
103 bool leadingSpace = false;
104 while (data != NULL) {
105 if (leadingSpace) {
106 result.append(" ");
107 } else {
108 leadingSpace = true;
109 }
110 switch(data->fType) {
111 case SkAdvancedTypefaceMetrics::AdvanceMetric<int16_t>::kRun:
112 result.appendf("%d %d %d", data->fStartId, data->fEndId, data->fAdvance[0]);
113 break;
114 case SkAdvancedTypefaceMetrics::AdvanceMetric<int16_t>::kRange:
115 result.appendf("%d[", data->fStartId);
116 for (int i = 0; i < data->fAdvance.count(); ++i) {
117 if (i > 0) {
118 result.append(" ");
119 }
120 result.appendf("%d", data->fAdvance[i]);
121 }
122 result.append("]");
123 break;
124 case SkAdvancedTypefaceMetrics::AdvanceMetric<int16_t>::kDefault:
125 result.appendf("<Default=%d>", data->fAdvance[0]);
126 break;
127 }
128 data = data->fNext.get();
129 }
130 return result;
131 }
132
133 class TestWData {
134 public:
TestWData(skiatest::Reporter * reporter,const int16_t advances[],int advanceLen,const uint32_t subset[],int subsetLen,const char * expected)135 TestWData(skiatest::Reporter* reporter,
136 const int16_t advances[], int advanceLen,
137 const uint32_t subset[], int subsetLen,
138 const char* expected)
139 : fAdvances(advances)
140 , fAdvancesLen(advanceLen)
141 , fSubset(subset)
142 , fSubsetLen(subsetLen)
143 , fExpected(expected) {
144 REPORTER_ASSERT(reporter, RunTest());
145 }
146
147 private:
148 const int16_t* fAdvances;
149 const int fAdvancesLen;
150 const uint32_t* fSubset;
151 const int fSubsetLen;
152 const char* fExpected;
153
getAdvance(void * tc,int gId,int16_t * advance)154 static bool getAdvance(void* tc, int gId, int16_t* advance) {
155 TestWData* testCase = (TestWData*)tc;
156 if (gId >= 0 && gId < testCase->fAdvancesLen) {
157 *advance = testCase->fAdvances[gId];
158 return true;
159 }
160 return false;
161 }
162
RunTest()163 bool RunTest() {
164 SkAutoTDelete<SkAdvancedTypefaceMetrics::AdvanceMetric<int16_t> > result;
165 result.reset(getAdvanceData((void*)this, fAdvancesLen, fSubset, fSubsetLen, getAdvance));
166
167 SkString stringResult = stringify_advance_data(result.get());
168 if (!stringResult.equals(fExpected)) {
169 SkDebugf("Expected: %s\n Result: %s\n", fExpected, stringResult.c_str());
170 return false;
171 }
172 return true;
173 }
174 };
175
DEF_TEST(WArray,reporter)176 DEF_TEST(WArray, reporter) {
177 TestWData(reporter, data1, SK_ARRAY_COUNT(data1), NULL, 0, expected1);
178 TestWData(reporter, data2, SK_ARRAY_COUNT(data2), NULL, 0, expected2);
179 TestWData(reporter, data3, SK_ARRAY_COUNT(data3), NULL, 0, expected3);
180 TestWData(reporter, data4, SK_ARRAY_COUNT(data4), NULL, 0, expected4);
181 TestWData(reporter, data5, SK_ARRAY_COUNT(data5), NULL, 0, expected5);
182 TestWData(reporter, data6, SK_ARRAY_COUNT(data6), NULL, 0, expected6);
183 TestWData(reporter, data7, SK_ARRAY_COUNT(data7), NULL, 0, expected7);
184 TestWData(reporter, data7, SK_ARRAY_COUNT(data7), subset7,
185 SK_ARRAY_COUNT(subset7), expectedSubset7);
186 TestWData(reporter, data8, SK_ARRAY_COUNT(data8), NULL, 0, expected8);
187 TestWData(reporter, data8, SK_ARRAY_COUNT(data8), subset8,
188 SK_ARRAY_COUNT(subset8), expectedSubset8);
189 TestWData(reporter, data9, SK_ARRAY_COUNT(data9), NULL, 0, expected9);
190 TestWData(reporter, data9, SK_ARRAY_COUNT(data9), subset9,
191 SK_ARRAY_COUNT(subset9), expectedSubset9);
192 TestWData(reporter, data10, SK_ARRAY_COUNT(data10), NULL, 0, expected10);
193 TestWData(reporter, data10, SK_ARRAY_COUNT(data10), subset10,
194 SK_ARRAY_COUNT(subset10), expectedSubset10);
195 TestWData(reporter, data11, SK_ARRAY_COUNT(data11), NULL, 0, expected11);
196 TestWData(reporter, data11, SK_ARRAY_COUNT(data11), subset11,
197 SK_ARRAY_COUNT(subset11), expectedSubset11);
198 TestWData(reporter, data12, SK_ARRAY_COUNT(data12), NULL, 0, expected12);
199 TestWData(reporter, data12, SK_ARRAY_COUNT(data12), subset12,
200 SK_ARRAY_COUNT(subset12), expectedSubset12);
201 TestWData(reporter, data13, SK_ARRAY_COUNT(data13), NULL, 0, expected13);
202 TestWData(reporter, data13, SK_ARRAY_COUNT(data13), subset13,
203 SK_ARRAY_COUNT(subset13), expectedSubset13);
204 TestWData(reporter, data14, SK_ARRAY_COUNT(data14), NULL, 0, expected14);
205 TestWData(reporter, data14, SK_ARRAY_COUNT(data14), subset14,
206 SK_ARRAY_COUNT(subset14), expectedSubset14);
207 }
208