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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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 |
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56 static const int kBufferSize = 100; | 56 static const int kBufferSize = 100; |
57 | 57 |
58 | 58 |
59 TEST(BignumDtoaVariousDoubles) { | 59 TEST(BignumDtoaVariousDoubles) { |
60 char buffer_container[kBufferSize]; | 60 char buffer_container[kBufferSize]; |
61 Vector<char> buffer(buffer_container, kBufferSize); | 61 Vector<char> buffer(buffer_container, kBufferSize); |
62 int length; | 62 int length; |
63 int point; | 63 int point; |
64 | 64 |
65 BignumDtoa(1.0, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); | 65 BignumDtoa(1.0, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); |
66 CHECK_EQ("1", buffer.start()); | 66 CHECK_EQ(0, strcmp("1", buffer.start())); |
67 CHECK_EQ(1, point); | 67 CHECK_EQ(1, point); |
68 | 68 |
69 BignumDtoa(1.0, BIGNUM_DTOA_FIXED, 3, buffer, &length, &point); | 69 BignumDtoa(1.0, BIGNUM_DTOA_FIXED, 3, buffer, &length, &point); |
70 CHECK_GE(3, length - point); | 70 CHECK_GE(3, length - point); |
71 TrimRepresentation(buffer); | 71 TrimRepresentation(buffer); |
72 CHECK_EQ("1", buffer.start()); | 72 CHECK_EQ(0, strcmp("1", buffer.start())); |
73 CHECK_EQ(1, point); | 73 CHECK_EQ(1, point); |
74 | 74 |
75 BignumDtoa(1.0, BIGNUM_DTOA_PRECISION, 3, buffer, &length, &point); | 75 BignumDtoa(1.0, BIGNUM_DTOA_PRECISION, 3, buffer, &length, &point); |
76 CHECK_GE(3, length); | 76 CHECK_GE(3, length); |
77 TrimRepresentation(buffer); | 77 TrimRepresentation(buffer); |
78 CHECK_EQ("1", buffer.start()); | 78 CHECK_EQ(0, strcmp("1", buffer.start())); |
79 CHECK_EQ(1, point); | 79 CHECK_EQ(1, point); |
80 | 80 |
81 BignumDtoa(1.5, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); | 81 BignumDtoa(1.5, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); |
82 CHECK_EQ("15", buffer.start()); | 82 CHECK_EQ(0, strcmp("15", buffer.start())); |
83 CHECK_EQ(1, point); | 83 CHECK_EQ(1, point); |
84 | 84 |
85 BignumDtoa(1.5, BIGNUM_DTOA_FIXED, 10, buffer, &length, &point); | 85 BignumDtoa(1.5, BIGNUM_DTOA_FIXED, 10, buffer, &length, &point); |
86 CHECK_GE(10, length - point); | 86 CHECK_GE(10, length - point); |
87 TrimRepresentation(buffer); | 87 TrimRepresentation(buffer); |
88 CHECK_EQ("15", buffer.start()); | 88 CHECK_EQ(0, strcmp("15", buffer.start())); |
89 CHECK_EQ(1, point); | 89 CHECK_EQ(1, point); |
90 | 90 |
91 BignumDtoa(1.5, BIGNUM_DTOA_PRECISION, 10, buffer, &length, &point); | 91 BignumDtoa(1.5, BIGNUM_DTOA_PRECISION, 10, buffer, &length, &point); |
92 CHECK_GE(10, length); | 92 CHECK_GE(10, length); |
93 TrimRepresentation(buffer); | 93 TrimRepresentation(buffer); |
94 CHECK_EQ("15", buffer.start()); | 94 CHECK_EQ(0, strcmp("15", buffer.start())); |
95 CHECK_EQ(1, point); | 95 CHECK_EQ(1, point); |
96 | 96 |
97 double min_double = 5e-324; | 97 double min_double = 5e-324; |
98 BignumDtoa(min_double, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); | 98 BignumDtoa(min_double, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); |
99 CHECK_EQ("5", buffer.start()); | 99 CHECK_EQ(0, strcmp("5", buffer.start())); |
100 CHECK_EQ(-323, point); | 100 CHECK_EQ(-323, point); |
101 | 101 |
102 BignumDtoa(min_double, BIGNUM_DTOA_FIXED, 5, buffer, &length, &point); | 102 BignumDtoa(min_double, BIGNUM_DTOA_FIXED, 5, buffer, &length, &point); |
103 CHECK_GE(5, length - point); | 103 CHECK_GE(5, length - point); |
104 TrimRepresentation(buffer); | 104 TrimRepresentation(buffer); |
105 CHECK_EQ("", buffer.start()); | 105 CHECK_EQ(0, strcmp("", buffer.start())); |
106 | 106 |
107 BignumDtoa(min_double, BIGNUM_DTOA_PRECISION, 5, buffer, &length, &point); | 107 BignumDtoa(min_double, BIGNUM_DTOA_PRECISION, 5, buffer, &length, &point); |
108 CHECK_GE(5, length); | 108 CHECK_GE(5, length); |
109 TrimRepresentation(buffer); | 109 TrimRepresentation(buffer); |
110 CHECK_EQ("49407", buffer.start()); | 110 CHECK_EQ(0, strcmp("49407", buffer.start())); |
111 CHECK_EQ(-323, point); | 111 CHECK_EQ(-323, point); |
112 | 112 |
113 double max_double = 1.7976931348623157e308; | 113 double max_double = 1.7976931348623157e308; |
114 BignumDtoa(max_double, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); | 114 BignumDtoa(max_double, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); |
115 CHECK_EQ("17976931348623157", buffer.start()); | 115 CHECK_EQ(0, strcmp("17976931348623157", buffer.start())); |
116 CHECK_EQ(309, point); | 116 CHECK_EQ(309, point); |
117 | 117 |
118 BignumDtoa(max_double, BIGNUM_DTOA_PRECISION, 7, buffer, &length, &point); | 118 BignumDtoa(max_double, BIGNUM_DTOA_PRECISION, 7, buffer, &length, &point); |
119 CHECK_GE(7, length); | 119 CHECK_GE(7, length); |
120 TrimRepresentation(buffer); | 120 TrimRepresentation(buffer); |
121 CHECK_EQ("1797693", buffer.start()); | 121 CHECK_EQ(0, strcmp("1797693", buffer.start())); |
122 CHECK_EQ(309, point); | 122 CHECK_EQ(309, point); |
123 | 123 |
124 BignumDtoa(4294967272.0, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); | 124 BignumDtoa(4294967272.0, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); |
125 CHECK_EQ("4294967272", buffer.start()); | 125 CHECK_EQ(0, strcmp("4294967272", buffer.start())); |
126 CHECK_EQ(10, point); | 126 CHECK_EQ(10, point); |
127 | 127 |
128 BignumDtoa(4294967272.0, BIGNUM_DTOA_FIXED, 5, buffer, &length, &point); | 128 BignumDtoa(4294967272.0, BIGNUM_DTOA_FIXED, 5, buffer, &length, &point); |
129 CHECK_EQ("429496727200000", buffer.start()); | 129 CHECK_EQ(0, strcmp("429496727200000", buffer.start())); |
130 CHECK_EQ(10, point); | 130 CHECK_EQ(10, point); |
131 | 131 |
132 | 132 |
133 BignumDtoa(4294967272.0, BIGNUM_DTOA_PRECISION, 14, buffer, &length, &point); | 133 BignumDtoa(4294967272.0, BIGNUM_DTOA_PRECISION, 14, buffer, &length, &point); |
134 CHECK_GE(14, length); | 134 CHECK_GE(14, length); |
135 TrimRepresentation(buffer); | 135 TrimRepresentation(buffer); |
136 CHECK_EQ("4294967272", buffer.start()); | 136 CHECK_EQ(0, strcmp("4294967272", buffer.start())); |
137 CHECK_EQ(10, point); | 137 CHECK_EQ(10, point); |
138 | 138 |
139 BignumDtoa(4.1855804968213567e298, BIGNUM_DTOA_SHORTEST, 0, | 139 BignumDtoa(4.1855804968213567e298, BIGNUM_DTOA_SHORTEST, 0, |
140 buffer, &length, &point); | 140 buffer, &length, &point); |
141 CHECK_EQ("4185580496821357", buffer.start()); | 141 CHECK_EQ(0, strcmp("4185580496821357", buffer.start())); |
142 CHECK_EQ(299, point); | 142 CHECK_EQ(299, point); |
143 | 143 |
144 BignumDtoa(4.1855804968213567e298, BIGNUM_DTOA_PRECISION, 20, | 144 BignumDtoa(4.1855804968213567e298, BIGNUM_DTOA_PRECISION, 20, |
145 buffer, &length, &point); | 145 buffer, &length, &point); |
146 CHECK_GE(20, length); | 146 CHECK_GE(20, length); |
147 TrimRepresentation(buffer); | 147 TrimRepresentation(buffer); |
148 CHECK_EQ("41855804968213567225", buffer.start()); | 148 CHECK_EQ(0, strcmp("41855804968213567225", buffer.start())); |
149 CHECK_EQ(299, point); | 149 CHECK_EQ(299, point); |
150 | 150 |
151 BignumDtoa(5.5626846462680035e-309, BIGNUM_DTOA_SHORTEST, 0, | 151 BignumDtoa(5.5626846462680035e-309, BIGNUM_DTOA_SHORTEST, 0, |
152 buffer, &length, &point); | 152 buffer, &length, &point); |
153 CHECK_EQ("5562684646268003", buffer.start()); | 153 CHECK_EQ(0, strcmp("5562684646268003", buffer.start())); |
154 CHECK_EQ(-308, point); | 154 CHECK_EQ(-308, point); |
155 | 155 |
156 BignumDtoa(5.5626846462680035e-309, BIGNUM_DTOA_PRECISION, 1, | 156 BignumDtoa(5.5626846462680035e-309, BIGNUM_DTOA_PRECISION, 1, |
157 buffer, &length, &point); | 157 buffer, &length, &point); |
158 CHECK_GE(1, length); | 158 CHECK_GE(1, length); |
159 TrimRepresentation(buffer); | 159 TrimRepresentation(buffer); |
160 CHECK_EQ("6", buffer.start()); | 160 CHECK_EQ(0, strcmp("6", buffer.start())); |
161 CHECK_EQ(-308, point); | 161 CHECK_EQ(-308, point); |
162 | 162 |
163 BignumDtoa(2147483648.0, BIGNUM_DTOA_SHORTEST, 0, | 163 BignumDtoa(2147483648.0, BIGNUM_DTOA_SHORTEST, 0, |
164 buffer, &length, &point); | 164 buffer, &length, &point); |
165 CHECK_EQ("2147483648", buffer.start()); | 165 CHECK_EQ(0, strcmp("2147483648", buffer.start())); |
166 CHECK_EQ(10, point); | 166 CHECK_EQ(10, point); |
167 | 167 |
168 | 168 |
169 BignumDtoa(2147483648.0, BIGNUM_DTOA_FIXED, 2, | 169 BignumDtoa(2147483648.0, BIGNUM_DTOA_FIXED, 2, |
170 buffer, &length, &point); | 170 buffer, &length, &point); |
171 CHECK_GE(2, length - point); | 171 CHECK_GE(2, length - point); |
172 TrimRepresentation(buffer); | 172 TrimRepresentation(buffer); |
173 CHECK_EQ("2147483648", buffer.start()); | 173 CHECK_EQ(0, strcmp("2147483648", buffer.start())); |
174 CHECK_EQ(10, point); | 174 CHECK_EQ(10, point); |
175 | 175 |
176 BignumDtoa(2147483648.0, BIGNUM_DTOA_PRECISION, 5, | 176 BignumDtoa(2147483648.0, BIGNUM_DTOA_PRECISION, 5, |
177 buffer, &length, &point); | 177 buffer, &length, &point); |
178 CHECK_GE(5, length); | 178 CHECK_GE(5, length); |
179 TrimRepresentation(buffer); | 179 TrimRepresentation(buffer); |
180 CHECK_EQ("21475", buffer.start()); | 180 CHECK_EQ(0, strcmp("21475", buffer.start())); |
181 CHECK_EQ(10, point); | 181 CHECK_EQ(10, point); |
182 | 182 |
183 BignumDtoa(3.5844466002796428e+298, BIGNUM_DTOA_SHORTEST, 0, | 183 BignumDtoa(3.5844466002796428e+298, BIGNUM_DTOA_SHORTEST, 0, |
184 buffer, &length, &point); | 184 buffer, &length, &point); |
185 CHECK_EQ("35844466002796428", buffer.start()); | 185 CHECK_EQ(0, strcmp("35844466002796428", buffer.start())); |
186 CHECK_EQ(299, point); | 186 CHECK_EQ(299, point); |
187 | 187 |
188 BignumDtoa(3.5844466002796428e+298, BIGNUM_DTOA_PRECISION, 10, | 188 BignumDtoa(3.5844466002796428e+298, BIGNUM_DTOA_PRECISION, 10, |
189 buffer, &length, &point); | 189 buffer, &length, &point); |
190 CHECK_GE(10, length); | 190 CHECK_GE(10, length); |
191 TrimRepresentation(buffer); | 191 TrimRepresentation(buffer); |
192 CHECK_EQ("35844466", buffer.start()); | 192 CHECK_EQ(0, strcmp("35844466", buffer.start())); |
193 CHECK_EQ(299, point); | 193 CHECK_EQ(299, point); |
194 | 194 |
195 uint64_t smallest_normal64 = V8_2PART_UINT64_C(0x00100000, 00000000); | 195 uint64_t smallest_normal64 = V8_2PART_UINT64_C(0x00100000, 00000000); |
196 double v = Double(smallest_normal64).value(); | 196 double v = Double(smallest_normal64).value(); |
197 BignumDtoa(v, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); | 197 BignumDtoa(v, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); |
198 CHECK_EQ("22250738585072014", buffer.start()); | 198 CHECK_EQ(0, strcmp("22250738585072014", buffer.start())); |
199 CHECK_EQ(-307, point); | 199 CHECK_EQ(-307, point); |
200 | 200 |
201 BignumDtoa(v, BIGNUM_DTOA_PRECISION, 20, buffer, &length, &point); | 201 BignumDtoa(v, BIGNUM_DTOA_PRECISION, 20, buffer, &length, &point); |
202 CHECK_GE(20, length); | 202 CHECK_GE(20, length); |
203 TrimRepresentation(buffer); | 203 TrimRepresentation(buffer); |
204 CHECK_EQ("22250738585072013831", buffer.start()); | 204 CHECK_EQ(0, strcmp("22250738585072013831", buffer.start())); |
205 CHECK_EQ(-307, point); | 205 CHECK_EQ(-307, point); |
206 | 206 |
207 uint64_t largest_denormal64 = V8_2PART_UINT64_C(0x000FFFFF, FFFFFFFF); | 207 uint64_t largest_denormal64 = V8_2PART_UINT64_C(0x000FFFFF, FFFFFFFF); |
208 v = Double(largest_denormal64).value(); | 208 v = Double(largest_denormal64).value(); |
209 BignumDtoa(v, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); | 209 BignumDtoa(v, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); |
210 CHECK_EQ("2225073858507201", buffer.start()); | 210 CHECK_EQ(0, strcmp("2225073858507201", buffer.start())); |
211 CHECK_EQ(-307, point); | 211 CHECK_EQ(-307, point); |
212 | 212 |
213 BignumDtoa(v, BIGNUM_DTOA_PRECISION, 20, buffer, &length, &point); | 213 BignumDtoa(v, BIGNUM_DTOA_PRECISION, 20, buffer, &length, &point); |
214 CHECK_GE(20, length); | 214 CHECK_GE(20, length); |
215 TrimRepresentation(buffer); | 215 TrimRepresentation(buffer); |
216 CHECK_EQ("2225073858507200889", buffer.start()); | 216 CHECK_EQ(0, strcmp("2225073858507200889", buffer.start())); |
217 CHECK_EQ(-307, point); | 217 CHECK_EQ(-307, point); |
218 | 218 |
219 BignumDtoa(4128420500802942e-24, BIGNUM_DTOA_SHORTEST, 0, | 219 BignumDtoa(4128420500802942e-24, BIGNUM_DTOA_SHORTEST, 0, |
220 buffer, &length, &point); | 220 buffer, &length, &point); |
221 CHECK_EQ("4128420500802942", buffer.start()); | 221 CHECK_EQ(0, strcmp("4128420500802942", buffer.start())); |
222 CHECK_EQ(-8, point); | 222 CHECK_EQ(-8, point); |
223 | 223 |
224 v = 3.9292015898194142585311918e-10; | 224 v = 3.9292015898194142585311918e-10; |
225 BignumDtoa(v, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); | 225 BignumDtoa(v, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); |
226 CHECK_EQ("39292015898194143", buffer.start()); | 226 CHECK_EQ(0, strcmp("39292015898194143", buffer.start())); |
227 | 227 |
228 v = 4194304.0; | 228 v = 4194304.0; |
229 BignumDtoa(v, BIGNUM_DTOA_FIXED, 5, buffer, &length, &point); | 229 BignumDtoa(v, BIGNUM_DTOA_FIXED, 5, buffer, &length, &point); |
230 CHECK_GE(5, length - point); | 230 CHECK_GE(5, length - point); |
231 TrimRepresentation(buffer); | 231 TrimRepresentation(buffer); |
232 CHECK_EQ("4194304", buffer.start()); | 232 CHECK_EQ(0, strcmp("4194304", buffer.start())); |
233 | 233 |
234 v = 3.3161339052167390562200598e-237; | 234 v = 3.3161339052167390562200598e-237; |
235 BignumDtoa(v, BIGNUM_DTOA_PRECISION, 19, buffer, &length, &point); | 235 BignumDtoa(v, BIGNUM_DTOA_PRECISION, 19, buffer, &length, &point); |
236 CHECK_GE(19, length); | 236 CHECK_GE(19, length); |
237 TrimRepresentation(buffer); | 237 TrimRepresentation(buffer); |
238 CHECK_EQ("3316133905216739056", buffer.start()); | 238 CHECK_EQ(0, strcmp("3316133905216739056", buffer.start())); |
239 CHECK_EQ(-236, point); | 239 CHECK_EQ(-236, point); |
240 | 240 |
241 v = 7.9885183916008099497815232e+191; | 241 v = 7.9885183916008099497815232e+191; |
242 BignumDtoa(v, BIGNUM_DTOA_PRECISION, 4, buffer, &length, &point); | 242 BignumDtoa(v, BIGNUM_DTOA_PRECISION, 4, buffer, &length, &point); |
243 CHECK_GE(4, length); | 243 CHECK_GE(4, length); |
244 TrimRepresentation(buffer); | 244 TrimRepresentation(buffer); |
245 CHECK_EQ("7989", buffer.start()); | 245 CHECK_EQ(0, strcmp("7989", buffer.start())); |
246 CHECK_EQ(192, point); | 246 CHECK_EQ(192, point); |
247 | 247 |
248 v = 1.0000000000000012800000000e+17; | 248 v = 1.0000000000000012800000000e+17; |
249 BignumDtoa(v, BIGNUM_DTOA_FIXED, 1, buffer, &length, &point); | 249 BignumDtoa(v, BIGNUM_DTOA_FIXED, 1, buffer, &length, &point); |
250 CHECK_GE(1, length - point); | 250 CHECK_GE(1, length - point); |
251 TrimRepresentation(buffer); | 251 TrimRepresentation(buffer); |
252 CHECK_EQ("100000000000000128", buffer.start()); | 252 CHECK_EQ(0, strcmp("100000000000000128", buffer.start())); |
253 CHECK_EQ(18, point); | 253 CHECK_EQ(18, point); |
254 } | 254 } |
255 | 255 |
256 | 256 |
257 TEST(BignumDtoaGayShortest) { | 257 TEST(BignumDtoaGayShortest) { |
258 char buffer_container[kBufferSize]; | 258 char buffer_container[kBufferSize]; |
259 Vector<char> buffer(buffer_container, kBufferSize); | 259 Vector<char> buffer(buffer_container, kBufferSize); |
260 int length; | 260 int length; |
261 int point; | 261 int point; |
262 | 262 |
263 Vector<const PrecomputedShortest> precomputed = | 263 Vector<const PrecomputedShortest> precomputed = |
264 PrecomputedShortestRepresentations(); | 264 PrecomputedShortestRepresentations(); |
265 for (int i = 0; i < precomputed.length(); ++i) { | 265 for (int i = 0; i < precomputed.length(); ++i) { |
266 const PrecomputedShortest current_test = precomputed[i]; | 266 const PrecomputedShortest current_test = precomputed[i]; |
267 double v = current_test.v; | 267 double v = current_test.v; |
268 BignumDtoa(v, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); | 268 BignumDtoa(v, BIGNUM_DTOA_SHORTEST, 0, buffer, &length, &point); |
269 CHECK_EQ(current_test.decimal_point, point); | 269 CHECK_EQ(current_test.decimal_point, point); |
270 CHECK_EQ(current_test.representation, buffer.start()); | 270 CHECK_EQ(0, strcmp(current_test.representation, buffer.start())); |
271 } | 271 } |
272 } | 272 } |
273 | 273 |
274 | 274 |
275 TEST(BignumDtoaGayFixed) { | 275 TEST(BignumDtoaGayFixed) { |
276 char buffer_container[kBufferSize]; | 276 char buffer_container[kBufferSize]; |
277 Vector<char> buffer(buffer_container, kBufferSize); | 277 Vector<char> buffer(buffer_container, kBufferSize); |
278 int length; | 278 int length; |
279 int point; | 279 int point; |
280 | 280 |
281 Vector<const PrecomputedFixed> precomputed = | 281 Vector<const PrecomputedFixed> precomputed = |
282 PrecomputedFixedRepresentations(); | 282 PrecomputedFixedRepresentations(); |
283 for (int i = 0; i < precomputed.length(); ++i) { | 283 for (int i = 0; i < precomputed.length(); ++i) { |
284 const PrecomputedFixed current_test = precomputed[i]; | 284 const PrecomputedFixed current_test = precomputed[i]; |
285 double v = current_test.v; | 285 double v = current_test.v; |
286 int number_digits = current_test.number_digits; | 286 int number_digits = current_test.number_digits; |
287 BignumDtoa(v, BIGNUM_DTOA_FIXED, number_digits, buffer, &length, &point); | 287 BignumDtoa(v, BIGNUM_DTOA_FIXED, number_digits, buffer, &length, &point); |
288 CHECK_EQ(current_test.decimal_point, point); | 288 CHECK_EQ(current_test.decimal_point, point); |
289 CHECK_GE(number_digits, length - point); | 289 CHECK_GE(number_digits, length - point); |
290 TrimRepresentation(buffer); | 290 TrimRepresentation(buffer); |
291 CHECK_EQ(current_test.representation, buffer.start()); | 291 CHECK_EQ(0, strcmp(current_test.representation, buffer.start())); |
292 } | 292 } |
293 } | 293 } |
294 | 294 |
295 | 295 |
296 TEST(BignumDtoaGayPrecision) { | 296 TEST(BignumDtoaGayPrecision) { |
297 char buffer_container[kBufferSize]; | 297 char buffer_container[kBufferSize]; |
298 Vector<char> buffer(buffer_container, kBufferSize); | 298 Vector<char> buffer(buffer_container, kBufferSize); |
299 int length; | 299 int length; |
300 int point; | 300 int point; |
301 | 301 |
302 Vector<const PrecomputedPrecision> precomputed = | 302 Vector<const PrecomputedPrecision> precomputed = |
303 PrecomputedPrecisionRepresentations(); | 303 PrecomputedPrecisionRepresentations(); |
304 for (int i = 0; i < precomputed.length(); ++i) { | 304 for (int i = 0; i < precomputed.length(); ++i) { |
305 const PrecomputedPrecision current_test = precomputed[i]; | 305 const PrecomputedPrecision current_test = precomputed[i]; |
306 double v = current_test.v; | 306 double v = current_test.v; |
307 int number_digits = current_test.number_digits; | 307 int number_digits = current_test.number_digits; |
308 BignumDtoa(v, BIGNUM_DTOA_PRECISION, number_digits, | 308 BignumDtoa(v, BIGNUM_DTOA_PRECISION, number_digits, |
309 buffer, &length, &point); | 309 buffer, &length, &point); |
310 CHECK_EQ(current_test.decimal_point, point); | 310 CHECK_EQ(current_test.decimal_point, point); |
311 CHECK_GE(number_digits, length); | 311 CHECK_GE(number_digits, length); |
312 TrimRepresentation(buffer); | 312 TrimRepresentation(buffer); |
313 CHECK_EQ(current_test.representation, buffer.start()); | 313 CHECK_EQ(0, strcmp(current_test.representation, buffer.start())); |
314 } | 314 } |
315 } | 315 } |
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