Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(566)

Side by Side Diff: test/cctest/test-fast-dtoa.cc

Issue 888613002: Initial switch to Chromium-style CHECK_* and DCHECK_* macros. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: CHECK_NULL/NOT_NULL is back. Created 5 years, 10 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « test/cctest/test-dtoa.cc ('k') | test/cctest/test-feedback-vector.cc » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 // Copyright 2006-2008 the V8 project authors. All rights reserved. 1 // Copyright 2006-2008 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
(...skipping 46 matching lines...) Expand 10 before | Expand all | Expand 10 after
57 char buffer_container[kBufferSize]; 57 char buffer_container[kBufferSize];
58 Vector<char> buffer(buffer_container, kBufferSize); 58 Vector<char> buffer(buffer_container, kBufferSize);
59 int length; 59 int length;
60 int point; 60 int point;
61 int status; 61 int status;
62 62
63 double min_double = 5e-324; 63 double min_double = 5e-324;
64 status = FastDtoa(min_double, FAST_DTOA_SHORTEST, 0, 64 status = FastDtoa(min_double, FAST_DTOA_SHORTEST, 0,
65 buffer, &length, &point); 65 buffer, &length, &point);
66 CHECK(status); 66 CHECK(status);
67 CHECK_EQ("5", buffer.start()); 67 CHECK_EQ(0, strcmp("5", buffer.start()));
68 CHECK_EQ(-323, point); 68 CHECK_EQ(-323, point);
69 69
70 double max_double = 1.7976931348623157e308; 70 double max_double = 1.7976931348623157e308;
71 status = FastDtoa(max_double, FAST_DTOA_SHORTEST, 0, 71 status = FastDtoa(max_double, FAST_DTOA_SHORTEST, 0,
72 buffer, &length, &point); 72 buffer, &length, &point);
73 CHECK(status); 73 CHECK(status);
74 CHECK_EQ("17976931348623157", buffer.start()); 74 CHECK_EQ(0, strcmp("17976931348623157", buffer.start()));
75 CHECK_EQ(309, point); 75 CHECK_EQ(309, point);
76 76
77 status = FastDtoa(4294967272.0, FAST_DTOA_SHORTEST, 0, 77 status = FastDtoa(4294967272.0, FAST_DTOA_SHORTEST, 0,
78 buffer, &length, &point); 78 buffer, &length, &point);
79 CHECK(status); 79 CHECK(status);
80 CHECK_EQ("4294967272", buffer.start()); 80 CHECK_EQ(0, strcmp("4294967272", buffer.start()));
81 CHECK_EQ(10, point); 81 CHECK_EQ(10, point);
82 82
83 status = FastDtoa(4.1855804968213567e298, FAST_DTOA_SHORTEST, 0, 83 status = FastDtoa(4.1855804968213567e298, FAST_DTOA_SHORTEST, 0,
84 buffer, &length, &point); 84 buffer, &length, &point);
85 CHECK(status); 85 CHECK(status);
86 CHECK_EQ("4185580496821357", buffer.start()); 86 CHECK_EQ(0, strcmp("4185580496821357", buffer.start()));
87 CHECK_EQ(299, point); 87 CHECK_EQ(299, point);
88 88
89 status = FastDtoa(5.5626846462680035e-309, FAST_DTOA_SHORTEST, 0, 89 status = FastDtoa(5.5626846462680035e-309, FAST_DTOA_SHORTEST, 0,
90 buffer, &length, &point); 90 buffer, &length, &point);
91 CHECK(status); 91 CHECK(status);
92 CHECK_EQ("5562684646268003", buffer.start()); 92 CHECK_EQ(0, strcmp("5562684646268003", buffer.start()));
93 CHECK_EQ(-308, point); 93 CHECK_EQ(-308, point);
94 94
95 status = FastDtoa(2147483648.0, FAST_DTOA_SHORTEST, 0, 95 status = FastDtoa(2147483648.0, FAST_DTOA_SHORTEST, 0,
96 buffer, &length, &point); 96 buffer, &length, &point);
97 CHECK(status); 97 CHECK(status);
98 CHECK_EQ("2147483648", buffer.start()); 98 CHECK_EQ(0, strcmp("2147483648", buffer.start()));
99 CHECK_EQ(10, point); 99 CHECK_EQ(10, point);
100 100
101 status = FastDtoa(3.5844466002796428e+298, FAST_DTOA_SHORTEST, 0, 101 status = FastDtoa(3.5844466002796428e+298, FAST_DTOA_SHORTEST, 0,
102 buffer, &length, &point); 102 buffer, &length, &point);
103 if (status) { // Not all FastDtoa variants manage to compute this number. 103 if (status) { // Not all FastDtoa variants manage to compute this number.
104 CHECK_EQ("35844466002796428", buffer.start()); 104 CHECK_EQ(0, strcmp("35844466002796428", buffer.start()));
105 CHECK_EQ(299, point); 105 CHECK_EQ(299, point);
106 } 106 }
107 107
108 uint64_t smallest_normal64 = V8_2PART_UINT64_C(0x00100000, 00000000); 108 uint64_t smallest_normal64 = V8_2PART_UINT64_C(0x00100000, 00000000);
109 double v = Double(smallest_normal64).value(); 109 double v = Double(smallest_normal64).value();
110 status = FastDtoa(v, FAST_DTOA_SHORTEST, 0, buffer, &length, &point); 110 status = FastDtoa(v, FAST_DTOA_SHORTEST, 0, buffer, &length, &point);
111 if (status) { 111 if (status) {
112 CHECK_EQ("22250738585072014", buffer.start()); 112 CHECK_EQ(0, strcmp("22250738585072014", buffer.start()));
113 CHECK_EQ(-307, point); 113 CHECK_EQ(-307, point);
114 } 114 }
115 115
116 uint64_t largest_denormal64 = V8_2PART_UINT64_C(0x000FFFFF, FFFFFFFF); 116 uint64_t largest_denormal64 = V8_2PART_UINT64_C(0x000FFFFF, FFFFFFFF);
117 v = Double(largest_denormal64).value(); 117 v = Double(largest_denormal64).value();
118 status = FastDtoa(v, FAST_DTOA_SHORTEST, 0, buffer, &length, &point); 118 status = FastDtoa(v, FAST_DTOA_SHORTEST, 0, buffer, &length, &point);
119 if (status) { 119 if (status) {
120 CHECK_EQ("2225073858507201", buffer.start()); 120 CHECK_EQ(0, strcmp("2225073858507201", buffer.start()));
121 CHECK_EQ(-307, point); 121 CHECK_EQ(-307, point);
122 } 122 }
123 } 123 }
124 124
125 125
126 TEST(FastDtoaPrecisionVariousDoubles) { 126 TEST(FastDtoaPrecisionVariousDoubles) {
127 char buffer_container[kBufferSize]; 127 char buffer_container[kBufferSize];
128 Vector<char> buffer(buffer_container, kBufferSize); 128 Vector<char> buffer(buffer_container, kBufferSize);
129 int length; 129 int length;
130 int point; 130 int point;
131 int status; 131 int status;
132 132
133 status = FastDtoa(1.0, FAST_DTOA_PRECISION, 3, buffer, &length, &point); 133 status = FastDtoa(1.0, FAST_DTOA_PRECISION, 3, buffer, &length, &point);
134 CHECK(status); 134 CHECK(status);
135 CHECK_GE(3, length); 135 CHECK_GE(3, length);
136 TrimRepresentation(buffer); 136 TrimRepresentation(buffer);
137 CHECK_EQ("1", buffer.start()); 137 CHECK_EQ(0, strcmp("1", buffer.start()));
138 CHECK_EQ(1, point); 138 CHECK_EQ(1, point);
139 139
140 status = FastDtoa(1.5, FAST_DTOA_PRECISION, 10, buffer, &length, &point); 140 status = FastDtoa(1.5, FAST_DTOA_PRECISION, 10, buffer, &length, &point);
141 if (status) { 141 if (status) {
142 CHECK_GE(10, length); 142 CHECK_GE(10, length);
143 TrimRepresentation(buffer); 143 TrimRepresentation(buffer);
144 CHECK_EQ("15", buffer.start()); 144 CHECK_EQ(0, strcmp("15", buffer.start()));
145 CHECK_EQ(1, point); 145 CHECK_EQ(1, point);
146 } 146 }
147 147
148 double min_double = 5e-324; 148 double min_double = 5e-324;
149 status = FastDtoa(min_double, FAST_DTOA_PRECISION, 5, 149 status = FastDtoa(min_double, FAST_DTOA_PRECISION, 5,
150 buffer, &length, &point); 150 buffer, &length, &point);
151 CHECK(status); 151 CHECK(status);
152 CHECK_EQ("49407", buffer.start()); 152 CHECK_EQ(0, strcmp("49407", buffer.start()));
153 CHECK_EQ(-323, point); 153 CHECK_EQ(-323, point);
154 154
155 double max_double = 1.7976931348623157e308; 155 double max_double = 1.7976931348623157e308;
156 status = FastDtoa(max_double, FAST_DTOA_PRECISION, 7, 156 status = FastDtoa(max_double, FAST_DTOA_PRECISION, 7,
157 buffer, &length, &point); 157 buffer, &length, &point);
158 CHECK(status); 158 CHECK(status);
159 CHECK_EQ("1797693", buffer.start()); 159 CHECK_EQ(0, strcmp("1797693", buffer.start()));
160 CHECK_EQ(309, point); 160 CHECK_EQ(309, point);
161 161
162 status = FastDtoa(4294967272.0, FAST_DTOA_PRECISION, 14, 162 status = FastDtoa(4294967272.0, FAST_DTOA_PRECISION, 14,
163 buffer, &length, &point); 163 buffer, &length, &point);
164 if (status) { 164 if (status) {
165 CHECK_GE(14, length); 165 CHECK_GE(14, length);
166 TrimRepresentation(buffer); 166 TrimRepresentation(buffer);
167 CHECK_EQ("4294967272", buffer.start()); 167 CHECK_EQ(0, strcmp("4294967272", buffer.start()));
168 CHECK_EQ(10, point); 168 CHECK_EQ(10, point);
169 } 169 }
170 170
171 status = FastDtoa(4.1855804968213567e298, FAST_DTOA_PRECISION, 17, 171 status = FastDtoa(4.1855804968213567e298, FAST_DTOA_PRECISION, 17,
172 buffer, &length, &point); 172 buffer, &length, &point);
173 CHECK(status); 173 CHECK(status);
174 CHECK_EQ("41855804968213567", buffer.start()); 174 CHECK_EQ(0, strcmp("41855804968213567", buffer.start()));
175 CHECK_EQ(299, point); 175 CHECK_EQ(299, point);
176 176
177 status = FastDtoa(5.5626846462680035e-309, FAST_DTOA_PRECISION, 1, 177 status = FastDtoa(5.5626846462680035e-309, FAST_DTOA_PRECISION, 1,
178 buffer, &length, &point); 178 buffer, &length, &point);
179 CHECK(status); 179 CHECK(status);
180 CHECK_EQ("6", buffer.start()); 180 CHECK_EQ(0, strcmp("6", buffer.start()));
181 CHECK_EQ(-308, point); 181 CHECK_EQ(-308, point);
182 182
183 status = FastDtoa(2147483648.0, FAST_DTOA_PRECISION, 5, 183 status = FastDtoa(2147483648.0, FAST_DTOA_PRECISION, 5,
184 buffer, &length, &point); 184 buffer, &length, &point);
185 CHECK(status); 185 CHECK(status);
186 CHECK_EQ("21475", buffer.start()); 186 CHECK_EQ(0, strcmp("21475", buffer.start()));
187 CHECK_EQ(10, point); 187 CHECK_EQ(10, point);
188 188
189 status = FastDtoa(3.5844466002796428e+298, FAST_DTOA_PRECISION, 10, 189 status = FastDtoa(3.5844466002796428e+298, FAST_DTOA_PRECISION, 10,
190 buffer, &length, &point); 190 buffer, &length, &point);
191 CHECK(status); 191 CHECK(status);
192 CHECK_GE(10, length); 192 CHECK_GE(10, length);
193 TrimRepresentation(buffer); 193 TrimRepresentation(buffer);
194 CHECK_EQ("35844466", buffer.start()); 194 CHECK_EQ(0, strcmp("35844466", buffer.start()));
195 CHECK_EQ(299, point); 195 CHECK_EQ(299, point);
196 196
197 uint64_t smallest_normal64 = V8_2PART_UINT64_C(0x00100000, 00000000); 197 uint64_t smallest_normal64 = V8_2PART_UINT64_C(0x00100000, 00000000);
198 double v = Double(smallest_normal64).value(); 198 double v = Double(smallest_normal64).value();
199 status = FastDtoa(v, FAST_DTOA_PRECISION, 17, buffer, &length, &point); 199 status = FastDtoa(v, FAST_DTOA_PRECISION, 17, buffer, &length, &point);
200 CHECK(status); 200 CHECK(status);
201 CHECK_EQ("22250738585072014", buffer.start()); 201 CHECK_EQ(0, strcmp("22250738585072014", buffer.start()));
202 CHECK_EQ(-307, point); 202 CHECK_EQ(-307, point);
203 203
204 uint64_t largest_denormal64 = V8_2PART_UINT64_C(0x000FFFFF, FFFFFFFF); 204 uint64_t largest_denormal64 = V8_2PART_UINT64_C(0x000FFFFF, FFFFFFFF);
205 v = Double(largest_denormal64).value(); 205 v = Double(largest_denormal64).value();
206 status = FastDtoa(v, FAST_DTOA_PRECISION, 17, buffer, &length, &point); 206 status = FastDtoa(v, FAST_DTOA_PRECISION, 17, buffer, &length, &point);
207 CHECK(status); 207 CHECK(status);
208 CHECK_GE(20, length); 208 CHECK_GE(20, length);
209 TrimRepresentation(buffer); 209 TrimRepresentation(buffer);
210 CHECK_EQ("22250738585072009", buffer.start()); 210 CHECK_EQ(0, strcmp("22250738585072009", buffer.start()));
211 CHECK_EQ(-307, point); 211 CHECK_EQ(-307, point);
212 212
213 v = 3.3161339052167390562200598e-237; 213 v = 3.3161339052167390562200598e-237;
214 status = FastDtoa(v, FAST_DTOA_PRECISION, 18, buffer, &length, &point); 214 status = FastDtoa(v, FAST_DTOA_PRECISION, 18, buffer, &length, &point);
215 CHECK(status); 215 CHECK(status);
216 CHECK_EQ("331613390521673906", buffer.start()); 216 CHECK_EQ(0, strcmp("331613390521673906", buffer.start()));
217 CHECK_EQ(-236, point); 217 CHECK_EQ(-236, point);
218 218
219 v = 7.9885183916008099497815232e+191; 219 v = 7.9885183916008099497815232e+191;
220 status = FastDtoa(v, FAST_DTOA_PRECISION, 4, buffer, &length, &point); 220 status = FastDtoa(v, FAST_DTOA_PRECISION, 4, buffer, &length, &point);
221 CHECK(status); 221 CHECK(status);
222 CHECK_EQ("7989", buffer.start()); 222 CHECK_EQ(0, strcmp("7989", buffer.start()));
223 CHECK_EQ(192, point); 223 CHECK_EQ(192, point);
224 } 224 }
225 225
226 226
227 TEST(FastDtoaGayShortest) { 227 TEST(FastDtoaGayShortest) {
228 char buffer_container[kBufferSize]; 228 char buffer_container[kBufferSize];
229 Vector<char> buffer(buffer_container, kBufferSize); 229 Vector<char> buffer(buffer_container, kBufferSize);
230 bool status; 230 bool status;
231 int length; 231 int length;
232 int point; 232 int point;
233 int succeeded = 0; 233 int succeeded = 0;
234 int total = 0; 234 int total = 0;
235 bool needed_max_length = false; 235 bool needed_max_length = false;
236 236
237 Vector<const PrecomputedShortest> precomputed = 237 Vector<const PrecomputedShortest> precomputed =
238 PrecomputedShortestRepresentations(); 238 PrecomputedShortestRepresentations();
239 for (int i = 0; i < precomputed.length(); ++i) { 239 for (int i = 0; i < precomputed.length(); ++i) {
240 const PrecomputedShortest current_test = precomputed[i]; 240 const PrecomputedShortest current_test = precomputed[i];
241 total++; 241 total++;
242 double v = current_test.v; 242 double v = current_test.v;
243 status = FastDtoa(v, FAST_DTOA_SHORTEST, 0, buffer, &length, &point); 243 status = FastDtoa(v, FAST_DTOA_SHORTEST, 0, buffer, &length, &point);
244 CHECK_GE(kFastDtoaMaximalLength, length); 244 CHECK_GE(kFastDtoaMaximalLength, length);
245 if (!status) continue; 245 if (!status) continue;
246 if (length == kFastDtoaMaximalLength) needed_max_length = true; 246 if (length == kFastDtoaMaximalLength) needed_max_length = true;
247 succeeded++; 247 succeeded++;
248 CHECK_EQ(current_test.decimal_point, point); 248 CHECK_EQ(current_test.decimal_point, point);
249 CHECK_EQ(current_test.representation, buffer.start()); 249 CHECK_EQ(0, strcmp(current_test.representation, buffer.start()));
250 } 250 }
251 CHECK_GT(succeeded*1.0/total, 0.99); 251 CHECK_GT(succeeded*1.0/total, 0.99);
252 CHECK(needed_max_length); 252 CHECK(needed_max_length);
253 } 253 }
254 254
255 255
256 TEST(FastDtoaGayPrecision) { 256 TEST(FastDtoaGayPrecision) {
257 char buffer_container[kBufferSize]; 257 char buffer_container[kBufferSize];
258 Vector<char> buffer(buffer_container, kBufferSize); 258 Vector<char> buffer(buffer_container, kBufferSize);
259 bool status; 259 bool status;
(...skipping 14 matching lines...) Expand all
274 total++; 274 total++;
275 if (number_digits <= 15) total_15++; 275 if (number_digits <= 15) total_15++;
276 status = FastDtoa(v, FAST_DTOA_PRECISION, number_digits, 276 status = FastDtoa(v, FAST_DTOA_PRECISION, number_digits,
277 buffer, &length, &point); 277 buffer, &length, &point);
278 CHECK_GE(number_digits, length); 278 CHECK_GE(number_digits, length);
279 if (!status) continue; 279 if (!status) continue;
280 succeeded++; 280 succeeded++;
281 if (number_digits <= 15) succeeded_15++; 281 if (number_digits <= 15) succeeded_15++;
282 TrimRepresentation(buffer); 282 TrimRepresentation(buffer);
283 CHECK_EQ(current_test.decimal_point, point); 283 CHECK_EQ(current_test.decimal_point, point);
284 CHECK_EQ(current_test.representation, buffer.start()); 284 CHECK_EQ(0, strcmp(current_test.representation, buffer.start()));
285 } 285 }
286 // The precomputed numbers contain many entries with many requested 286 // The precomputed numbers contain many entries with many requested
287 // digits. These have a high failure rate and we therefore expect a lower 287 // digits. These have a high failure rate and we therefore expect a lower
288 // success rate than for the shortest representation. 288 // success rate than for the shortest representation.
289 CHECK_GT(succeeded*1.0/total, 0.85); 289 CHECK_GT(succeeded*1.0/total, 0.85);
290 // However with less than 15 digits almost the algorithm should almost always 290 // However with less than 15 digits almost the algorithm should almost always
291 // succeed. 291 // succeed.
292 CHECK_GT(succeeded_15*1.0/total_15, 0.9999); 292 CHECK_GT(succeeded_15*1.0/total_15, 0.9999);
293 } 293 }
OLDNEW
« no previous file with comments | « test/cctest/test-dtoa.cc ('k') | test/cctest/test-feedback-vector.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698