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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 // | |
| 5 // Dart test program testing type checks. | |
| 6 | |
| 7 class TypeTest { | |
| 8 static test() { | |
| 9 int result = 0; | |
| 10 try { | |
| 11 // Throws a TypeError if type checks are enabled. | |
| 12 int i = "hello"; /// static type warning | |
| 13 } catch (TypeError error) { | |
| 14 result = 1; | |
| 15 Expect.equals("int", error.dstType); | |
| 16 Expect.equals("String", error.srcType); | |
| 17 Expect.equals("i", error.dstName); | |
| 18 int pos = error.url.lastIndexOf("/", error.url.length); | |
| 19 if (pos == -1) { | |
| 20 pos = error.url.lastIndexOf("\\", error.url.length); | |
| 21 } | |
| 22 String subs = error.url.substring(pos + 1, error.url.length); | |
| 23 Expect.equals("TypeTest.dart", subs); | |
| 24 Expect.equals(12, error.line); | |
| 25 Expect.equals(15, error.column); | |
| 26 } | |
| 27 return result; | |
| 28 } | |
| 29 | |
| 30 static testSideEffect() { | |
| 31 int result = 0; | |
| 32 int index() { | |
| 33 result++; | |
| 34 return 0; | |
| 35 } | |
| 36 try { | |
| 37 List<int> a = new List<int>(1); | |
| 38 a[0] = 0; | |
| 39 a[index()]++; // Type check succeeds, but does not create side effects. | |
| 40 assert(a[0] == 1); | |
| 41 } catch (TypeError error) { | |
| 42 result = 100; | |
| 43 } | |
| 44 return result; | |
| 45 } | |
| 46 | |
| 47 static testArgument() { | |
| 48 int result = 0; | |
| 49 int f(int i) { | |
| 50 return i; | |
| 51 } | |
| 52 try { | |
| 53 // Throws a TypeError if type checks are enabled. | |
| 54 int i = f("hello"); /// static type warning | |
| 55 } catch (TypeError error) { | |
| 56 result = 1; | |
| 57 Expect.equals("int", error.dstType); | |
| 58 Expect.equals("String", error.srcType); | |
| 59 Expect.equals("i", error.dstName); | |
| 60 int pos = error.url.lastIndexOf("/", error.url.length); | |
| 61 if (pos == -1) { | |
| 62 pos = error.url.lastIndexOf("\\", error.url.length); | |
| 63 } | |
| 64 String subs = error.url.substring(pos + 1, error.url.length); | |
| 65 Expect.equals("TypeTest.dart", subs); | |
| 66 Expect.equals(49, error.line); | |
| 67 Expect.equals(15, error.column); | |
| 68 } | |
| 69 return result; | |
| 70 } | |
| 71 | |
| 72 static testReturn() { | |
| 73 int result = 0; | |
| 74 int f(String s) { | |
| 75 // String not assignable to int on return | |
| 76 return s; /// static type warning | |
| 77 } | |
| 78 try { | |
| 79 // Throws a TypeError if type checks are enabled. | |
| 80 int i = f("hello"); | |
| 81 } catch (TypeError error) { | |
| 82 result = 1; | |
| 83 Expect.equals("int", error.dstType); | |
| 84 Expect.equals("String", error.srcType); | |
| 85 Expect.equals("function result", error.dstName); | |
| 86 int pos = error.url.lastIndexOf("/", error.url.length); | |
| 87 if (pos == -1) { | |
| 88 pos = error.url.lastIndexOf("\\", error.url.length); | |
| 89 } | |
| 90 String subs = error.url.substring(pos + 1, error.url.length); | |
| 91 Expect.equals("TypeTest.dart", subs); | |
| 92 Expect.equals(74, error.line); | |
| 93 Expect.equals(14, error.column); | |
| 94 } | |
| 95 return result; | |
| 96 } | |
| 97 | |
| 98 static int field; | |
| 99 static testField() { | |
| 100 int result = 0; | |
| 101 try { | |
| 102 // Throws a TypeError if type checks are enabled. | |
| 103 field = "hello"; /// static type warning | |
| 104 } catch (TypeError error) { | |
| 105 result = 1; | |
| 106 Expect.equals("int", error.dstType); | |
| 107 Expect.equals("String", error.srcType); | |
| 108 Expect.equals("field", error.dstName); | |
| 109 int pos = error.url.lastIndexOf("/", error.url.length); | |
| 110 if (pos == -1) { | |
| 111 pos = error.url.lastIndexOf("\\", error.url.length); | |
| 112 } | |
| 113 String subs = error.url.substring(pos + 1, error.url.length); | |
| 114 Expect.equals("TypeTest.dart", subs); | |
| 115 Expect.equals(99, error.line); | |
| 116 Expect.equals(15, error.column); | |
| 117 } | |
| 118 return result; | |
| 119 } | |
| 120 | |
| 121 static testAnyFunction() { | |
| 122 int result = 0; | |
| 123 Function anyFunction; | |
| 124 f() { }; | |
| 125 anyFunction = f; // No error. | |
| 126 try { | |
| 127 // Throws a TypeError if type checks are enabled. | |
| 128 int i = f; /// static type warning | |
| 129 } catch (TypeError error) { | |
| 130 result = 1; | |
| 131 Expect.equals("int", error.dstType); | |
| 132 Expect.equals("() => var", error.srcType); // TODO(regis): => Dynamic. | |
| 133 Expect.equals("i", error.dstName); | |
| 134 int pos = error.url.lastIndexOf("/", error.url.length); | |
| 135 if (pos == -1) { | |
| 136 pos = error.url.lastIndexOf("\\", error.url.length); | |
| 137 } | |
| 138 String subs = error.url.substring(pos + 1, error.url.length); | |
| 139 Expect.equals("TypeTest.dart", subs); | |
| 140 Expect.equals(123, error.line); | |
| 141 Expect.equals(15, error.column); | |
| 142 } | |
| 143 return result; | |
| 144 } | |
| 145 | |
| 146 static testVoidFunction() { | |
| 147 int result = 0; | |
| 148 Function anyFunction; | |
| 149 void acceptVoidFunObj(void voidFunObj(Object obj)) { }; | |
| 150 void acceptObjFunObj(Object objFunObj(Object obj)) { }; | |
| 151 void voidFunObj(Object obj) { }; | |
| 152 Object objFunObj(Object obj) { return obj; }; | |
| 153 anyFunction = voidFunObj; // No error. | |
| 154 anyFunction = objFunObj; // No error. | |
| 155 acceptVoidFunObj(voidFunObj); | |
| 156 acceptVoidFunObj(objFunObj); | |
| 157 acceptObjFunObj(objFunObj); | |
| 158 try { | |
| 159 // Throws a TypeError. Issue 2348 | |
| 160 acceptObjFunObj(voidFunObj); /// static type warning | |
| 161 } catch (TypeError error) { | |
| 162 result = 1; | |
| 163 Expect.equals("(Object) => Object", error.dstType); | |
| 164 Expect.equals("(Object) => void", error.srcType); | |
| 165 Expect.equals("objFunObj", error.dstName); | |
| 166 int pos = error.url.lastIndexOf("/", error.url.length); | |
| 167 if (pos == -1) { | |
| 168 pos = error.url.lastIndexOf("\\", error.url.length); | |
| 169 } | |
| 170 String subs = error.url.substring(pos + 1, error.url.length); | |
| 171 Expect.equals("TypeTest.dart", subs); | |
| 172 Expect.equals(145, error.line); | |
| 173 Expect.equals(33, error.column); | |
| 174 } | |
| 175 return result; | |
| 176 } | |
| 177 | |
| 178 static testFunctionNum() { | |
| 179 int result = 0; | |
| 180 Function anyFunction; | |
| 181 void acceptFunNum(void funNum(num num)) { }; | |
| 182 void funObj(Object obj) { }; | |
| 183 void funNum(num num) { }; | |
| 184 void funInt(int i) { }; | |
| 185 void funString(String s) { }; | |
| 186 anyFunction = funObj; // No error. | |
| 187 anyFunction = funNum; // No error. | |
| 188 anyFunction = funInt; // No error. | |
| 189 anyFunction = funString; // No error. | |
| 190 acceptFunNum(funObj); // No error. | |
| 191 acceptFunNum(funNum); // No error. | |
| 192 acceptFunNum(funInt); // No error. | |
| 193 try { | |
| 194 // Throws an error. | |
| 195 acceptFunNum(funString); /// static type warning | |
| 196 } catch (TypeError error) { | |
| 197 result = 1; | |
| 198 Expect.equals("(num) => void", error.dstType); | |
| 199 Expect.equals("(String) => void", error.srcType); | |
| 200 Expect.equals("funNum", error.dstName); | |
| 201 int pos = error.url.lastIndexOf("/", error.url.length); | |
| 202 if (pos == -1) { | |
| 203 pos = error.url.lastIndexOf("\\", error.url.length); | |
| 204 } | |
| 205 String subs = error.url.substring(pos + 1, error.url.length); | |
| 206 Expect.equals("TypeTest.dart", subs); | |
| 207 Expect.equals(175, error.line); | |
| 208 Expect.equals(28, error.column); | |
| 209 } | |
| 210 return result; | |
| 211 } | |
| 212 | |
| 213 static testBoolCheck() { | |
| 214 int result = 0; | |
| 215 try { | |
| 216 // Throws a TypeError if type checks are enabled. | |
| 217 bool i = !"hello"; /// static type warning | |
| 218 } catch (TypeError error) { | |
| 219 result++; | |
| 220 Expect.equals("bool", error.dstType); | |
| 221 Expect.equals("String", error.srcType); | |
| 222 Expect.equals("boolean expression", error.dstName); | |
| 223 int pos = error.url.lastIndexOf("/", error.url.length); | |
| 224 if (pos == -1) { | |
| 225 pos = error.url.lastIndexOf("\\", error.url.length); | |
| 226 } | |
| 227 String subs = error.url.substring(pos + 1, error.url.length); | |
| 228 Expect.equals("TypeTest.dart", subs); | |
| 229 Expect.equals(209, error.line); | |
| 230 Expect.equals(17, error.column); | |
| 231 } | |
| 232 try { | |
| 233 // Throws a TypeError if type checks are enabled. | |
| 234 while ("hello") {}; /// static type warning | |
| 235 } catch (TypeError error) { | |
| 236 result++; | |
| 237 Expect.equals("bool", error.dstType); | |
| 238 Expect.equals("String", error.srcType); | |
| 239 Expect.equals("boolean expression", error.dstName); | |
| 240 int pos = error.url.lastIndexOf("/", error.url.length); | |
| 241 if (pos == -1) { | |
| 242 pos = error.url.lastIndexOf("\\", error.url.length); | |
| 243 } | |
| 244 String subs = error.url.substring(pos + 1, error.url.length); | |
| 245 Expect.equals("TypeTest.dart", subs); | |
| 246 Expect.equals(225, error.line); | |
| 247 Expect.equals(14, error.column); | |
| 248 } | |
| 249 try { | |
| 250 // Throws a TypeError if type checks are enabled. | |
| 251 do {} while ("hello"); /// static type warning | |
| 252 } catch (TypeError error) { | |
| 253 result++; | |
| 254 Expect.equals("bool", error.dstType); | |
| 255 Expect.equals("String", error.srcType); | |
| 256 Expect.equals("boolean expression", error.dstName); | |
| 257 int pos = error.url.lastIndexOf("/", error.url.length); | |
| 258 if (pos == -1) { | |
| 259 pos = error.url.lastIndexOf("\\", error.url.length); | |
| 260 } | |
| 261 String subs = error.url.substring(pos + 1, error.url.length); | |
| 262 Expect.equals("TypeTest.dart", subs); | |
| 263 Expect.equals(241, error.line); | |
| 264 Expect.equals(20, error.column); | |
| 265 } | |
| 266 try { | |
| 267 // Throws a TypeError if type checks are enabled. | |
| 268 for (;"hello";) {}; /// static type warning | |
| 269 } catch (TypeError error) { | |
| 270 result++; | |
| 271 Expect.equals("bool", error.dstType); | |
| 272 Expect.equals("String", error.srcType); | |
| 273 Expect.equals("boolean expression", error.dstName); | |
| 274 int pos = error.url.lastIndexOf("/", error.url.length); | |
| 275 if (pos == -1) { | |
| 276 pos = error.url.lastIndexOf("\\", error.url.length); | |
| 277 } | |
| 278 String subs = error.url.substring(pos + 1, error.url.length); | |
| 279 Expect.equals("TypeTest.dart", subs); | |
| 280 Expect.equals(257, error.line); | |
| 281 Expect.equals(13, error.column); | |
| 282 } | |
| 283 try { | |
| 284 // Throws a TypeError if type checks are enabled. | |
| 285 int i = "hello" ? 1 : 0; /// static type warning | |
| 286 } catch (TypeError error) { | |
| 287 result++; | |
| 288 Expect.equals("bool", error.dstType); | |
| 289 Expect.equals("String", error.srcType); | |
| 290 Expect.equals("boolean expression", error.dstName); | |
| 291 int pos = error.url.lastIndexOf("/", error.url.length); | |
| 292 if (pos == -1) { | |
| 293 pos = error.url.lastIndexOf("\\", error.url.length); | |
| 294 } | |
| 295 String subs = error.url.substring(pos + 1, error.url.length); | |
| 296 Expect.equals("TypeTest.dart", subs); | |
| 297 Expect.equals(273, error.line); | |
| 298 Expect.equals(15, error.column); | |
| 299 } | |
| 300 try { | |
| 301 // Throws a TypeError if type checks are enabled. | |
| 302 if ("hello") {}; /// static type warning | |
| 303 } catch (TypeError error) { | |
| 304 result++; | |
| 305 Expect.equals("bool", error.dstType); | |
| 306 Expect.equals("String", error.srcType); | |
| 307 Expect.equals("boolean expression", error.dstName); | |
| 308 int pos = error.url.lastIndexOf("/", error.url.length); | |
| 309 if (pos == -1) { | |
| 310 pos = error.url.lastIndexOf("\\", error.url.length); | |
| 311 } | |
| 312 String subs = error.url.substring(pos + 1, error.url.length); | |
| 313 Expect.equals("TypeTest.dart", subs); | |
| 314 Expect.equals(289, error.line); | |
| 315 Expect.equals(11, error.column); | |
| 316 } | |
| 317 try { | |
| 318 // Throws a TypeError if type checks are enabled. | |
| 319 if ("hello" || false) {}; /// static type warning | |
| 320 } catch (TypeError error) { | |
| 321 result++; | |
| 322 Expect.equals("bool", error.dstType); | |
| 323 Expect.equals("String", error.srcType); | |
| 324 Expect.equals("boolean expression", error.dstName); | |
| 325 int pos = error.url.lastIndexOf("/", error.url.length); | |
| 326 if (pos == -1) { | |
| 327 pos = error.url.lastIndexOf("\\", error.url.length); | |
| 328 } | |
| 329 String subs = error.url.substring(pos + 1, error.url.length); | |
| 330 Expect.equals("TypeTest.dart", subs); | |
| 331 Expect.equals(305, error.line); | |
| 332 Expect.equals(11, error.column); | |
| 333 } | |
| 334 try { | |
| 335 // Throws a TypeError if type checks are enabled. | |
| 336 if (false || "hello") {}; /// static type warning | |
| 337 } catch (TypeError error) { | |
| 338 result++; | |
| 339 Expect.equals("bool", error.dstType); | |
| 340 Expect.equals("String", error.srcType); | |
| 341 Expect.equals("boolean expression", error.dstName); | |
| 342 int pos = error.url.lastIndexOf("/", error.url.length); | |
| 343 if (pos == -1) { | |
| 344 pos = error.url.lastIndexOf("\\", error.url.length); | |
| 345 } | |
| 346 String subs = error.url.substring(pos + 1, error.url.length); | |
| 347 Expect.equals("TypeTest.dart", subs); | |
| 348 Expect.equals(321, error.line); | |
| 349 Expect.equals(20, error.column); | |
| 350 } | |
| 351 try { | |
| 352 // TODO: I don't this should throw a TypeError, as null is a valid bool | |
| 353 // value. It might well should throw some other exception however. | |
| 354 // if (null) {}; // Throws a TypeError if type checks are enabled. | |
| 355 } catch (TypeError error) { | |
| 356 result++; | |
| 357 Expect.equals("bool", error.dstType); | |
| 358 Expect.equals("Null", error.srcType); | |
| 359 Expect.equals("boolean expression", error.dstName); | |
| 360 int pos = error.url.lastIndexOf("/", error.url.length); | |
| 361 if (pos == -1) { | |
| 362 pos = error.url.lastIndexOf("\\", error.url.length); | |
| 363 } | |
| 364 String subs = error.url.substring(pos + 1, error.url.length); | |
| 365 Expect.equals("TypeTest.dart", subs); | |
| 366 Expect.equals(337, error.line); | |
| 367 Expect.equals(11, error.column); | |
| 368 } | |
| 369 return result; | |
| 370 } | |
| 371 | |
| 372 | |
| 373 static int testFactory() { | |
| 374 int result = 0; | |
| 375 try { | |
| 376 var x = new C(); | |
| 377 } catch (TypeError error) { | |
| 378 result++; | |
| 379 Expect.equals("C", error.dstType); | |
| 380 Expect.equals("Smi", error.srcType); | |
| 381 Expect.equals("function result", error.dstName); | |
| 382 int pos = error.url.lastIndexOf("/", error.url.length); | |
| 383 if (pos == -1) { | |
| 384 pos = error.url.lastIndexOf("\\", error.url.length); | |
| 385 } | |
| 386 String subs = error.url.substring(pos + 1, error.url.length); | |
| 387 Expect.equals("TypeTest.dart", subs); | |
| 388 Expect.equals(472, error.line); | |
| 389 Expect.equals(12, error.column); | |
| 390 } | |
| 391 return result; | |
| 392 } | |
| 393 | |
| 394 static int testListAssigment() { | |
| 395 int result = 0; | |
| 396 { | |
| 397 var a = new List(5); | |
| 398 List a0 = a; | |
| 399 List<Object> ao = a; | |
| 400 List<int> ai = a; | |
| 401 List<num> an = a; | |
| 402 List<String> as = a; | |
| 403 } | |
| 404 { | |
| 405 var a = new List<Object>(5); | |
| 406 List a0 = a; | |
| 407 List<Object> ao = a; | |
| 408 try { | |
| 409 List<int> ai = a; | |
| 410 } catch (TypeError error) { | |
| 411 result++; | |
| 412 } | |
| 413 try { | |
| 414 List<num> an = a; | |
| 415 } catch (TypeError error) { | |
| 416 result++; | |
| 417 } | |
| 418 try { | |
| 419 List<String> as = a; | |
| 420 } catch (TypeError error) { | |
| 421 result++; | |
| 422 } | |
| 423 } | |
| 424 { | |
| 425 var a = new List<int>(5); | |
| 426 List a0 = a; | |
| 427 List<Object> ao = a; | |
| 428 List<int> ai = a; | |
| 429 List<num> an = a; | |
| 430 try { | |
| 431 List<String> as = a; | |
| 432 } catch (TypeError error) { | |
| 433 result++; | |
| 434 } | |
| 435 } | |
| 436 { | |
| 437 var a = new List<num>(5); | |
| 438 List a0 = a; | |
| 439 List<Object> ao = a; | |
| 440 try { | |
| 441 List<int> ai = a; | |
| 442 } catch (TypeError error) { | |
| 443 result++; | |
| 444 } | |
| 445 List<num> an = a; | |
| 446 try { | |
| 447 List<String> as = a; | |
| 448 } catch (TypeError error) { | |
| 449 result++; | |
| 450 } | |
| 451 } | |
| 452 { | |
| 453 var a = new List<String>(5); | |
| 454 List a0 = a; | |
| 455 List<Object> ao = a; | |
| 456 try { | |
| 457 List<int> ai = a; | |
| 458 } catch (TypeError error) { | |
| 459 result++; | |
| 460 } | |
| 461 try { | |
| 462 List<num> an = a; | |
| 463 } catch (TypeError error) { | |
| 464 result++; | |
| 465 } | |
| 466 List<String> as = a; | |
| 467 } | |
| 468 return result; | |
| 469 } | |
| 470 | |
| 471 static testMain() { | |
| 472 Expect.equals(1, test()); | |
| 473 Expect.equals(1, testSideEffect()); | |
| 474 Expect.equals(1, testArgument()); | |
| 475 Expect.equals(1, testReturn()); | |
| 476 Expect.equals(1, testField()); | |
| 477 Expect.equals(1, testAnyFunction()); | |
| 478 //Expect.equals(1, testVoidFunction()); - Function type checking issue | |
| 479 //Expect.equals(1, testFunctionNum()); - Function type checking issue | |
| 480 Expect.equals(8, testBoolCheck()); | |
| 481 //Expect.equals(1, testFactory()); - Not doing a test on factories | |
| 482 Expect.equals(8, testListAssigment()); | |
| 483 } | |
| 484 } | |
| 485 | |
| 486 | |
| 487 class C { | |
| 488 factory C() { | |
| 489 return 1; // Implicit result type is 'C', not int. | |
| 490 } | |
| 491 } | |
| 492 | |
| 493 | |
| 494 main() { | |
| 495 TypeTest.testMain(); | |
| 496 } | |
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