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| 1 // for details. All rights reserved. Use of this source code is governed by a |
| 2 // BSD-style license that can be found in the LICENSE file. |
| 3 |
| 4 /** |
| 5 * Tests based on the closure number formatting tests. |
| 6 */ |
| 7 library number_closure_test; |
| 8 |
| 9 import "package:intl/intl.dart"; |
| 10 import "package:unittest/unittest.dart"; |
| 11 |
| 12 main() { |
| 13 test("testVeryBigNumber", testVeryBigNumber); |
| 14 test("testStandardFormat", testStandardFormat); |
| 15 test("testNegativePercentage", testNegativePercentage); |
| 16 test("testCustomPercentage", testCustomPercentage); |
| 17 test("testBasicFormat", testBasicFormat); |
| 18 test("testGrouping", testGrouping); |
| 19 test("testPerMill", testPerMill); |
| 20 test("testQuotes", testQuotes); |
| 21 test("testZeros", testZeros); |
| 22 test("testExponential", testExponential); |
| 23 test("testPlusSignInExponentPart", testPlusSignInExponentPart); |
| 24 test("testApis", testApis); |
| 25 test("testLocaleSwitch", testLocaleSwitch); |
| 26 } |
| 27 |
| 28 /** |
| 29 * Test two large numbers for equality, assuming that there may be some |
| 30 * loss of precision in the less significant digits. |
| 31 */ |
| 32 veryBigNumberCompare(str1, str2) { |
| 33 return str1.length == str2.length && |
| 34 str1.substring(0, 8) == str2.substring(0, 8); |
| 35 } |
| 36 |
| 37 testVeryBigNumber() { |
| 38 var str; |
| 39 var fmt; |
| 40 |
| 41 fmt = new NumberFormat.DECIMAL_PATTERN(); |
| 42 str = fmt.format(1.3456E20); |
| 43 expect(veryBigNumberCompare('134,559,999,999,999,000,000', str), isTrue); |
| 44 |
| 45 fmt = new NumberFormat.PERCENT_PATTERN(); |
| 46 str = fmt.format(1.3456E20); |
| 47 expect(veryBigNumberCompare('13,456,000,000,000,000,000,000%', str), isTrue); |
| 48 |
| 49 // TODO(alanknight): Note that this disagrees with what ICU would print |
| 50 // for this. We need significant digit support to do this properly. |
| 51 fmt = new NumberFormat.SCIENTIFIC_PATTERN(); |
| 52 str = fmt.format(1.3456E20); |
| 53 expect('1E20', str); |
| 54 |
| 55 fmt = new NumberFormat.DECIMAL_PATTERN(); |
| 56 str = fmt.format(-1.234567890123456e306); |
| 57 expect(1 + 1 + 306 + 306 / 3, str.length); |
| 58 expect('-1,234,567,890,123,45', str.substring(0, 21)); |
| 59 |
| 60 str = fmt.format(1 / 0); |
| 61 expect('∞', str); |
| 62 str = fmt.format(-1 / 0); |
| 63 expect('-∞', str); |
| 64 } |
| 65 |
| 66 void testStandardFormat() { |
| 67 var str; |
| 68 var fmt; |
| 69 fmt = new NumberFormat.DECIMAL_PATTERN(); |
| 70 str = fmt.format(1234.579); |
| 71 expect('1,234.579', str); |
| 72 fmt = new NumberFormat.PERCENT_PATTERN(); |
| 73 str = fmt.format(1234.579); |
| 74 expect('123,458%', str); |
| 75 fmt = new NumberFormat.SCIENTIFIC_PATTERN(); |
| 76 str = fmt.format(1234.579); |
| 77 expect('1E3', str); |
| 78 } |
| 79 |
| 80 void testNegativePercentage() { |
| 81 var str; |
| 82 var fmt = new NumberFormat('#,##0.00%'); |
| 83 str = fmt.format(-1234.56); |
| 84 expect('-123,456.00%', str); |
| 85 |
| 86 fmt = new NumberFormat.PERCENT_PATTERN(); |
| 87 str = fmt.format(-1234.579); |
| 88 expect('-123,458%', str); |
| 89 } |
| 90 |
| 91 void testCustomPercentage() { |
| 92 var fmt = new NumberFormat.PERCENT_PATTERN(); |
| 93 fmt.setMaximumFractionDigits(1); |
| 94 fmt.setMinimumFractionDigits(1); |
| 95 var str = fmt.format(0.1291); |
| 96 expect('12.9%', str); |
| 97 fmt.setMaximumFractionDigits(2); |
| 98 fmt.setMinimumFractionDigits(1); |
| 99 str = fmt.format(0.129); |
| 100 expect('12.9%', str); |
| 101 fmt.setMaximumFractionDigits(2); |
| 102 fmt.setMinimumFractionDigits(1); |
| 103 str = fmt.format(0.12); |
| 104 expect('12.0%', str); |
| 105 fmt.setMaximumFractionDigits(2); |
| 106 fmt.setMinimumFractionDigits(1); |
| 107 str = fmt.format(0.12911); |
| 108 expect('12.91%', str); |
| 109 } |
| 110 |
| 111 void testBasicFormat() { |
| 112 var fmt = new NumberFormat('0.0000'); |
| 113 var str = fmt.format(123.45789179565757); |
| 114 expect('123.4579', str); |
| 115 } |
| 116 |
| 117 void testGrouping() { |
| 118 var str; |
| 119 |
| 120 var fmt = new NumberFormat('#,###'); |
| 121 str = fmt.format(1234567890); |
| 122 expect('1,234,567,890', str); |
| 123 fmt = new NumberFormat('#,####'); |
| 124 str = fmt.format(1234567890); |
| 125 expect('12,3456,7890', str); |
| 126 |
| 127 fmt = new NumberFormat('#'); |
| 128 str = fmt.format(1234567890); |
| 129 expect('1234567890', str); |
| 130 } |
| 131 |
| 132 void testPerMill() { |
| 133 var str; |
| 134 |
| 135 var fmt = new NumberFormat('###.###\u2030'); |
| 136 str = fmt.format(0.4857); |
| 137 expect('485.7\u2030', str); |
| 138 } |
| 139 |
| 140 void testQuotes() { |
| 141 var str; |
| 142 |
| 143 var fmt = new NumberFormat('a\'fo\'\'o\'b#'); |
| 144 str = fmt.format(123); |
| 145 expect('afo\'ob123', str); |
| 146 |
| 147 fmt = new NumberFormat('a\'\'b#'); |
| 148 str = fmt.format(123); |
| 149 expect('a\'b123', str); |
| 150 |
| 151 fmt = new NumberFormat('a\'fo\'\'o\'b#'); |
| 152 str = fmt.format(-123); |
| 153 expect('afo\'ob-123', str); |
| 154 |
| 155 fmt = new NumberFormat('a\'\'b#'); |
| 156 str = fmt.format(-123); |
| 157 expect('a\'b-123', str); |
| 158 } |
| 159 |
| 160 void testZeros() { |
| 161 var str; |
| 162 var fmt; |
| 163 |
| 164 fmt = new NumberFormat('#.#'); |
| 165 str = fmt.format(0); |
| 166 expect('0', str); |
| 167 fmt = new NumberFormat('#.'); |
| 168 str = fmt.format(0); |
| 169 expect('0.', str); |
| 170 fmt = new NumberFormat('.#'); |
| 171 str = fmt.format(0); |
| 172 expect('.0', str); |
| 173 fmt = new NumberFormat('#'); |
| 174 str = fmt.format(0); |
| 175 expect('0', str); |
| 176 |
| 177 fmt = new NumberFormat('#0.#'); |
| 178 str = fmt.format(0); |
| 179 expect('0', str); |
| 180 fmt = new NumberFormat('#0.'); |
| 181 str = fmt.format(0); |
| 182 expect('0.', str); |
| 183 fmt = new NumberFormat('#.0'); |
| 184 str = fmt.format(0); |
| 185 expect('.0', str); |
| 186 fmt = new NumberFormat('#'); |
| 187 str = fmt.format(0); |
| 188 expect('0', str); |
| 189 fmt = new NumberFormat('000'); |
| 190 str = fmt.format(0); |
| 191 expect('000', str); |
| 192 } |
| 193 |
| 194 void testExponential() { |
| 195 var str; |
| 196 var fmt; |
| 197 |
| 198 fmt = new NumberFormat('0.####E0'); |
| 199 str = fmt.format(0.01234); |
| 200 expect('1.234E-2', str); |
| 201 fmt = new NumberFormat('00.000E00'); |
| 202 str = fmt.format(0.01234); |
| 203 expect('12.340E-03', str); |
| 204 fmt = new NumberFormat('##0.######E000'); |
| 205 str = fmt.format(0.01234); |
| 206 expect('12.34E-003', str); |
| 207 fmt = new NumberFormat('0.###E0;[0.###E0]'); |
| 208 str = fmt.format(0.01234); |
| 209 expect('1.234E-2', str); |
| 210 |
| 211 fmt = new NumberFormat('0.####E0'); |
| 212 str = fmt.format(123456789); |
| 213 expect('1.2346E8', str); |
| 214 fmt = new NumberFormat('00.000E00'); |
| 215 str = fmt.format(123456789); |
| 216 expect('12.346E07', str); |
| 217 fmt = new NumberFormat('##0.######E000'); |
| 218 str = fmt.format(123456789); |
| 219 expect('123.456789E006', str); |
| 220 fmt = new NumberFormat('0.###E0;[0.###E0]'); |
| 221 str = fmt.format(123456789); |
| 222 expect('1.235E8', str); |
| 223 |
| 224 fmt = new NumberFormat('0.####E0'); |
| 225 str = fmt.format(1.23e300); |
| 226 expect('1.23E300', str); |
| 227 fmt = new NumberFormat('00.000E00'); |
| 228 str = fmt.format(1.23e300); |
| 229 expect('12.300E299', str); |
| 230 fmt = new NumberFormat('##0.######E000'); |
| 231 str = fmt.format(1.23e300); |
| 232 expect('1.23E300', str); |
| 233 fmt = new NumberFormat('0.###E0;[0.###E0]'); |
| 234 str = fmt.format(1.23e300); |
| 235 expect('1.23E300', str); |
| 236 |
| 237 fmt = new NumberFormat('0.####E0'); |
| 238 str = fmt.format(-3.141592653e-271); |
| 239 expect('-3.1416E-271', str); |
| 240 fmt = new NumberFormat('00.000E00'); |
| 241 str = fmt.format(-3.141592653e-271); |
| 242 expect('-31.416E-272', str); |
| 243 fmt = new NumberFormat('##0.######E000'); |
| 244 str = fmt.format(-3.141592653e-271); |
| 245 expect('-314.159265E-273', str); |
| 246 fmt = new NumberFormat('0.###E0;[0.###E0]'); |
| 247 str = fmt.format(-3.141592653e-271); |
| 248 expect('[3.142E-271]', str); |
| 249 |
| 250 fmt = new NumberFormat('0.####E0'); |
| 251 str = fmt.format(0); |
| 252 expect('0E0', str); |
| 253 fmt = new NumberFormat('00.000E00'); |
| 254 str = fmt.format(0); |
| 255 expect('00.000E00', str); |
| 256 fmt = new NumberFormat('##0.######E000'); |
| 257 str = fmt.format(0); |
| 258 expect('0E000', str); |
| 259 fmt = new NumberFormat('0.###E0;[0.###E0]'); |
| 260 str = fmt.format(0); |
| 261 expect('0E0', str); |
| 262 |
| 263 fmt = new NumberFormat('0.####E0'); |
| 264 str = fmt.format(-1); |
| 265 expect('-1E0', str); |
| 266 fmt = new NumberFormat('00.000E00'); |
| 267 str = fmt.format(-1); |
| 268 expect('-10.000E-01', str); |
| 269 fmt = new NumberFormat('##0.######E000'); |
| 270 str = fmt.format(-1); |
| 271 expect('-1E000', str); |
| 272 fmt = new NumberFormat('0.###E0;[0.###E0]'); |
| 273 str = fmt.format(-1); |
| 274 expect('[1E0]', str); |
| 275 |
| 276 fmt = new NumberFormat('0.####E0'); |
| 277 str = fmt.format(1); |
| 278 expect('1E0', str); |
| 279 fmt = new NumberFormat('00.000E00'); |
| 280 str = fmt.format(1); |
| 281 expect('10.000E-01', str); |
| 282 fmt = new NumberFormat('##0.######E000'); |
| 283 str = fmt.format(1); |
| 284 expect('1E000', str); |
| 285 fmt = new NumberFormat('0.###E0;[0.###E0]'); |
| 286 str = fmt.format(1); |
| 287 expect('1E0', str); |
| 288 |
| 289 fmt = new NumberFormat('#E0'); |
| 290 str = fmt.format(12345.0); |
| 291 expect('1E4', str); |
| 292 fmt = new NumberFormat('0E0'); |
| 293 str = fmt.format(12345.0); |
| 294 expect('1E4', str); |
| 295 fmt = new NumberFormat('##0.###E0'); |
| 296 str = fmt.format(12345.0); |
| 297 expect('12.345E3', str); |
| 298 fmt = new NumberFormat('##0.###E0'); |
| 299 str = fmt.format(12345.00001); |
| 300 expect('12.345E3', str); |
| 301 fmt = new NumberFormat('##0.###E0'); |
| 302 str = fmt.format(12345); |
| 303 expect('12.345E3', str); |
| 304 |
| 305 fmt = new NumberFormat('##0.####E0'); |
| 306 str = fmt.format(789.12345e-9); |
| 307 fmt = new NumberFormat('##0.####E0'); |
| 308 str = fmt.format(780e-9); |
| 309 expect('780E-9', str); |
| 310 fmt = new NumberFormat('.###E0'); |
| 311 str = fmt.format(45678.0); |
| 312 expect('.457E5', str); |
| 313 fmt = new NumberFormat('.###E0'); |
| 314 str = fmt.format(0); |
| 315 expect('.0E0', str); |
| 316 |
| 317 fmt = new NumberFormat('#E0'); |
| 318 str = fmt.format(45678000); |
| 319 expect('5E7', str); |
| 320 fmt = new NumberFormat('##E0'); |
| 321 str = fmt.format(45678000); |
| 322 expect('46E6', str); |
| 323 fmt = new NumberFormat('####E0'); |
| 324 str = fmt.format(45678000); |
| 325 expect('4568E4', str); |
| 326 fmt = new NumberFormat('0E0'); |
| 327 str = fmt.format(45678000); |
| 328 expect('5E7', str); |
| 329 fmt = new NumberFormat('00E0'); |
| 330 str = fmt.format(45678000); |
| 331 expect('46E6', str); |
| 332 fmt = new NumberFormat('000E0'); |
| 333 str = fmt.format(45678000); |
| 334 expect('457E5', str); |
| 335 fmt = new NumberFormat('###E0'); |
| 336 str = fmt.format(0.0000123); |
| 337 expect('12E-6', str); |
| 338 fmt = new NumberFormat('###E0'); |
| 339 str = fmt.format(0.000123); |
| 340 expect('123E-6', str); |
| 341 fmt = new NumberFormat('###E0'); |
| 342 str = fmt.format(0.00123); |
| 343 expect('1E-3', str); |
| 344 fmt = new NumberFormat('###E0'); |
| 345 str = fmt.format(0.0123); |
| 346 expect('12E-3', str); |
| 347 fmt = new NumberFormat('###E0'); |
| 348 str = fmt.format(0.123); |
| 349 expect('123E-3', str); |
| 350 fmt = new NumberFormat('###E0'); |
| 351 str = fmt.format(1.23); |
| 352 expect('1E0', str); |
| 353 fmt = new NumberFormat('###E0'); |
| 354 str = fmt.format(12.3); |
| 355 expect('12E0', str); |
| 356 fmt = new NumberFormat('###E0'); |
| 357 str = fmt.format(123.0); |
| 358 expect('123E0', str); |
| 359 fmt = new NumberFormat('###E0'); |
| 360 str = fmt.format(1230.0); |
| 361 expect('1E3', str); |
| 362 } |
| 363 |
| 364 void testPlusSignInExponentPart() { |
| 365 var fmt; |
| 366 fmt = new NumberFormat('0E+0'); |
| 367 var str = fmt.format(45678000); |
| 368 expect('5E+7', str); |
| 369 } |
| 370 |
| 371 void testApis() { |
| 372 var fmt; |
| 373 var str; |
| 374 |
| 375 fmt = new NumberFormat('#,###'); |
| 376 str = fmt.format(1234567890); |
| 377 expect('1,234,567,890', str); |
| 378 } |
| 379 |
| 380 testLocaleSwitch() { |
| 381 Intl.withLocale("fr", verifyFrenchLocale); |
| 382 } |
| 383 |
| 384 void verifyFrenchLocale() { |
| 385 var fmt = new NumberFormat('#,###'); |
| 386 var str = fmt.format(1234567890); |
| 387 expect('1\u00a0234\u00a0567\u00a0890', str); |
| 388 } |
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