Mercurial > lcfOS
annotate test/testc3.py @ 396:fb3c1f029b30
Added baselexer into c3 lexer
| author | Windel Bouwman |
|---|---|
| date | Tue, 27 May 2014 22:19:32 +0200 |
| parents | 6ae782a085e0 |
| children |
| rev | line source |
|---|---|
| 167 | 1 import unittest |
| 355 | 2 import logging |
| 287 | 3 import io |
| 342 | 4 from ppci.c3 import Builder, Lexer |
| 5 from ppci.target import SimpleTarget | |
| 6 import ppci | |
| 148 | 7 |
| 8 | |
| 204 | 9 class testLexer(unittest.TestCase): |
| 293 | 10 def setUp(self): |
| 11 diag = ppci.DiagnosticsManager() | |
| 300 | 12 self.l = Lexer(diag) |
| 293 | 13 |
| 205 | 14 def testUnexpectedCharacter(self): |
| 287 | 15 snippet = io.StringIO(""" var s \u6c34 """) |
| 205 | 16 with self.assertRaises(ppci.CompilerError): |
| 396 | 17 list(self.l.lex(snippet)) |
| 293 | 18 |
| 19 def check(self, snippet, toks): | |
| 396 | 20 toks2 = list(tok.typ for tok in self.l.lex(io.StringIO(snippet))) |
| 293 | 21 self.assertSequenceEqual(toks, toks2) |
| 205 | 22 |
| 204 | 23 def testBlockComment(self): |
| 293 | 24 snippet = """ |
| 204 | 25 /* Demo */ |
| 26 var int x = 0; | |
| 293 | 27 """ |
| 396 | 28 toks = ['var', 'ID', 'ID', '=', 'NUMBER', ';', 'EOF'] |
| 293 | 29 self.check(snippet, toks) |
| 205 | 30 |
| 204 | 31 def testBlockCommentMultiLine(self): |
| 293 | 32 snippet = """ |
| 204 | 33 /* Demo |
| 34 bla1 | |
| 35 bla2 | |
| 36 */ | |
| 37 var int x = 0; | |
| 293 | 38 """ |
| 396 | 39 toks = ['var', 'ID', 'ID', '=', 'NUMBER', ';', 'EOF'] |
| 293 | 40 self.check(snippet, toks) |
| 204 | 41 |
| 287 | 42 |
| 204 | 43 class testBuilder(unittest.TestCase): |
| 215 | 44 def setUp(self): |
| 45 self.diag = ppci.DiagnosticsManager() | |
| 301 | 46 self.builder = Builder(self.diag, SimpleTarget()) |
| 215 | 47 self.diag.clear() |
| 355 | 48 # Add a null logging handler to disable warning log messages: |
| 49 nh = logging.NullHandler() | |
| 50 logging.getLogger().addHandler(nh) | |
| 215 | 51 |
| 306 | 52 def makeFileList(self, snippet): |
| 53 """ Try to make a list with opened files """ | |
| 54 if type(snippet) is list: | |
| 55 l2 = [] | |
| 56 for s in snippet: | |
| 57 if type(s) is str: | |
| 58 l2.append(io.StringIO(s)) | |
| 59 else: | |
| 60 l2.append(s) | |
| 61 return l2 | |
| 62 else: | |
| 63 return [io.StringIO(snippet)] | |
| 64 | |
| 215 | 65 def expectErrors(self, snippet, rows): |
| 66 """ Helper to test for expected errors on rows """ | |
| 389 | 67 list(self.builder.build([io.StringIO(snippet)])) |
| 215 | 68 actualErrors = [err.row for err in self.diag.diags] |
| 69 if rows != actualErrors: | |
| 306 | 70 self.diag.printErrors() |
| 215 | 71 self.assertSequenceEqual(rows, actualErrors) |
| 72 | |
| 287 | 73 def expectOK(self, snippet): |
| 306 | 74 """ Expect a snippet to be OK """ |
| 75 ircode = list(self.builder.build(self.makeFileList(snippet))) | |
| 76 if len(self.diag.diags) > 0: | |
| 77 self.diag.printErrors() | |
| 287 | 78 self.assertTrue(all(ircode)) |
| 306 | 79 self.assertEqual(0, len(self.diag.diags)) |
| 217 | 80 return ircode |
| 215 | 81 |
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82 def testPackage(self): |
| 284 | 83 p1 = """module p1; |
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84 type int A; |
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85 """ |
| 284 | 86 p2 = """module p2; |
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87 import p1; |
| 306 | 88 var p1.A b; |
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89 """ |
| 306 | 90 self.expectOK([p1, p2]) |
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91 |
| 288 | 92 def testPackageMutual(self): |
| 93 p1 = """module p1; | |
| 94 import p2; | |
| 95 type int A; | |
| 96 var p2.B b; | |
| 97 """ | |
| 98 p2 = """module p2; | |
| 99 import p1; | |
| 100 var p1.A a; | |
| 101 """ | |
| 306 | 102 self.expectOK([p1, p2]) |
| 288 | 103 |
| 313 | 104 def testConstant(self): |
| 105 snip = """module C; | |
| 106 const int a = 2; | |
| 107 """ | |
| 389 | 108 self.expectOK(snip) |
| 313 | 109 |
| 110 @unittest.skip('Not checked yet') | |
| 111 def testConstantMutual(self): | |
| 112 snip = """module C; | |
| 113 const int a = b + 1; | |
| 114 const int b = a + 1; | |
| 115 function void f() | |
| 116 { | |
| 117 return b; | |
| 118 } | |
| 119 """ | |
| 389 | 120 self.expectOK(snip) |
| 313 | 121 |
| 293 | 122 def testPackageNotExists(self): |
| 123 p1 = """module p1; | |
| 124 import p23; | |
| 125 """ | |
| 306 | 126 self.expectErrors(p1, [0]) |
| 293 | 127 |
| 215 | 128 def testFunctArgs(self): |
| 287 | 129 snippet = """ |
| 284 | 130 module testargs; |
| 167 | 131 function void t2(int a, double b) |
| 132 { | |
| 133 t2(2, 2); | |
| 134 t2(2); | |
| 135 t2(1, 1.2); | |
| 136 } | |
| 287 | 137 """ |
| 138 self.expectErrors(snippet, [5, 6]) | |
| 148 | 139 |
| 303 | 140 def testReturn(self): |
| 141 snippet = """ | |
| 142 module testreturn; | |
| 143 function void t() | |
| 144 { | |
| 145 return; | |
| 146 } | |
| 147 """ | |
| 148 self.expectOK(snippet) | |
| 149 | |
| 150 def testReturn2(self): | |
| 151 snippet = """ | |
| 152 module testreturn; | |
| 153 function int t() | |
| 154 { | |
| 155 return 2; | |
| 156 } | |
| 157 """ | |
| 158 self.expectOK(snippet) | |
| 159 | |
| 215 | 160 def testExpressions(self): |
| 287 | 161 snippet = """ |
| 284 | 162 module test; |
| 167 | 163 function void t(int a, double b) |
| 164 { | |
| 165 var int a2; | |
| 166 var bool c; | |
| 167 | |
| 168 a2 = b * a; | |
| 169 c = a; | |
| 170 } | |
| 287 | 171 """ |
| 307 | 172 self.expectErrors(snippet, [8, 9]) |
| 205 | 173 |
| 230 | 174 def testExpression1(self): |
| 287 | 175 snippet = """ |
| 284 | 176 module testexpr1; |
| 230 | 177 function void t() |
| 178 { | |
| 179 var int a, b, c; | |
| 180 a = 1; | |
| 181 b = a * 2 + a * a; | |
| 182 c = b * a - 3; | |
| 183 } | |
| 287 | 184 """ |
| 185 self.expectOK(snippet) | |
| 230 | 186 |
| 215 | 187 def testEmpty(self): |
| 287 | 188 snippet = """ |
| 189 module A | |
| 190 """ | |
| 191 self.expectErrors(snippet, [3]) | |
| 205 | 192 |
| 215 | 193 def testEmpty2(self): |
| 287 | 194 snippet = "" |
| 195 self.expectErrors(snippet, [1]) | |
| 205 | 196 |
| 215 | 197 def testRedefine(self): |
| 287 | 198 snippet = """ |
| 199 module test; | |
| 200 var int a; | |
| 201 var int b; | |
| 202 var int a; | |
| 203 """ | |
| 204 self.expectErrors(snippet, [5]) | |
| 205 | 205 |
| 215 | 206 def testWhile(self): |
| 287 | 207 snippet = """ |
| 208 module tstwhile; | |
| 209 function void t() | |
| 210 { | |
| 306 | 211 var int i; |
| 212 i = 0; | |
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213 while (i < 1054) |
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214 { |
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215 i = i + 3; |
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216 } |
| 307 | 217 } |
| 218 """ | |
| 219 self.expectOK(snippet) | |
| 205 | 220 |
| 307 | 221 def testWhile2(self): |
| 222 snippet = """ | |
| 223 module tstwhile; | |
| 224 function void t() | |
| 225 { | |
| 205 | 226 while(true) |
| 227 { | |
| 228 } | |
| 229 | |
| 230 while(false) | |
| 231 { | |
| 232 } | |
| 287 | 233 } |
| 234 """ | |
| 235 self.expectOK(snippet) | |
| 215 | 236 |
| 237 def testIf(self): | |
| 238 snippet = """ | |
| 287 | 239 module tstIFF; |
| 240 function void t(int b) | |
| 241 { | |
| 180 | 242 var int a; |
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243 a = 2; |
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244 if (a > b) |
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245 { |
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246 if (a > 1337) |
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247 { |
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248 b = 2; |
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249 } |
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250 } |
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251 else |
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252 { |
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253 b = 1; |
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254 } |
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255 |
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256 return b; |
| 287 | 257 } |
| 215 | 258 """ |
| 259 self.expectOK(snippet) | |
| 225 | 260 |
| 308 | 261 def testAndCondition(self): |
| 262 snippet = """ | |
| 263 module tst; | |
| 264 function void t() { | |
| 265 if (4 > 3 and 1 < 10) { | |
| 266 } | |
| 267 } | |
| 268 """ | |
| 269 self.expectOK(snippet) | |
| 270 | |
| 271 def testOrCondition(self): | |
| 272 snippet = """ | |
| 273 module tst; | |
| 274 function void t() { | |
| 275 if (3 > 4 or 3 < 10) { | |
| 276 } | |
| 277 } | |
| 278 """ | |
| 279 self.expectOK(snippet) | |
| 280 | |
| 281 def testNonBoolCondition(self): | |
| 282 snippet = """ | |
| 283 module tst; | |
| 284 function void t() { | |
| 311 | 285 if (3+3) { |
| 308 | 286 } |
| 287 } | |
| 288 """ | |
| 289 self.expectErrors(snippet, [4]) | |
| 290 | |
| 225 | 291 def testTypeDef(self): |
| 292 snippet = """ | |
| 284 | 293 module testtypedef; |
| 225 | 294 type int my_int; |
| 295 function void t() | |
| 296 { | |
| 297 var my_int a; | |
| 298 var int b; | |
| 299 a = 2; | |
| 300 b = a + 2; | |
| 301 } | |
| 302 """ | |
| 303 self.expectOK(snippet) | |
| 304 | |
| 230 | 305 def testLocalVariable(self): |
| 306 snippet = """ | |
| 284 | 307 module testlocalvar; |
| 230 | 308 function void t() |
| 309 { | |
| 310 var int a, b; | |
| 311 a = 2; | |
| 312 b = a + 2; | |
| 313 } | |
| 314 """ | |
| 268 | 315 self.expectOK(snippet) |
| 230 | 316 |
| 249 | 317 def testUnknownType(self): |
| 284 | 318 snippet = """module testlocalvar; |
| 249 | 319 function void t() |
| 320 { | |
| 321 var int2 a; | |
| 322 } | |
| 323 """ | |
| 324 self.expectErrors(snippet, [4]) | |
| 325 | |
| 230 | 326 def testStruct1(self): |
| 327 snippet = """ | |
| 284 | 328 module teststruct1; |
| 230 | 329 function void t() |
| 330 { | |
| 331 var struct {int x, y;} a; | |
| 332 a.x = 2; | |
| 333 a.y = a.x + 2; | |
| 334 } | |
| 335 """ | |
| 268 | 336 self.expectOK(snippet) |
| 230 | 337 |
| 308 | 338 def testStruct2(self): |
| 339 """ Select struct member from non struct type """ | |
| 340 snippet = """ | |
| 341 module teststruct1; | |
| 342 function void t() { | |
| 343 var int a; | |
| 344 a.z = 2; | |
| 345 } | |
| 346 """ | |
| 347 self.expectErrors(snippet, [5]) | |
| 348 | |
| 354 | 349 def testArray(self): |
| 350 snippet = """ | |
| 351 module testarray; | |
| 352 function void t() | |
| 353 { | |
| 354 var int[100] x; | |
| 355 var int a, b; | |
| 356 a = 2; | |
| 357 b = x[a*2+9 - a] * x[22+12]; | |
| 358 x[1] = x[2]; | |
| 359 } | |
| 360 """ | |
| 361 self.expectOK(snippet) | |
| 362 | |
| 363 def testArrayFail(self): | |
| 364 snippet = """ | |
| 365 module testarray; | |
| 366 function void t() | |
| 367 { | |
| 368 var bool c; | |
| 369 c = false; | |
| 370 var int[100] x; | |
| 371 x[1] = x[c]; | |
| 372 } | |
| 373 """ | |
| 374 self.expectErrors(snippet, [8]) | |
| 375 | |
| 376 def testArrayFail2(self): | |
| 377 snippet = """ | |
| 378 module testarray; | |
| 379 function void t() | |
| 380 { | |
| 381 var int c; | |
| 382 var int x; | |
| 383 c = x[2]; | |
| 384 } | |
| 385 """ | |
| 386 self.expectErrors(snippet, [7]) | |
| 387 | |
| 355 | 388 @unittest.skip('TODO') |
| 389 def testArrayFail3(self): | |
| 390 snippet = """ | |
| 391 module testarray; | |
| 392 function void t() | |
| 393 { | |
| 393 | 394 var int c[20]; |
| 355 | 395 } |
| 396 """ | |
| 397 self.expectErrors(snippet, [7]) | |
| 398 | |
| 293 | 399 def testStructCall(self): |
| 400 snippet = """ | |
| 401 module teststruct1; | |
| 402 function void t() | |
| 403 { | |
| 404 var struct {int x, y;} a; | |
| 307 | 405 a.x(9); |
| 293 | 406 } |
| 407 """ | |
| 308 | 408 self.expectErrors(snippet, [6]) |
| 293 | 409 |
| 353 | 410 def testString(self): |
| 411 snippet = """ | |
| 412 module teststring; | |
| 413 function void t() | |
| 414 { | |
| 415 var string a; | |
| 416 a = "Hello world"; | |
| 417 print(a); | |
| 418 print("Moi"); | |
| 419 } | |
| 393 | 420 |
| 353 | 421 function void print(string a) |
| 422 { | |
| 423 } | |
| 424 """ | |
| 425 self.expectOK(snippet) | |
| 426 | |
| 393 | 427 def testSizeof1(self): |
| 428 snippet = """ | |
| 429 module testsizeof; | |
| 430 | |
| 431 function void t() | |
| 432 { | |
| 433 var int a; | |
| 434 a = sizeof(int*); | |
| 435 } | |
| 436 """ | |
| 437 self.expectOK(snippet) | |
| 438 | |
| 439 def testSizeof2(self): | |
| 440 snippet = """ | |
| 441 module testsizeof2; | |
| 442 | |
| 443 function void t() | |
| 444 { | |
| 445 sizeof(int*) = 2; | |
| 446 } | |
| 447 """ | |
| 448 self.expectErrors(snippet, [6]) | |
| 449 | |
| 450 @unittest.skip('TODO: Too hard') | |
| 451 def testWrongVarUse(self): | |
| 452 snippet = """ | |
| 453 module testsizeof; | |
| 454 | |
| 455 function void t() | |
| 456 { | |
| 457 int a = 1; | |
| 458 } | |
| 459 """ | |
| 460 self.expectOK(snippet) | |
| 461 | |
| 225 | 462 def testPointerType1(self): |
| 463 snippet = """ | |
| 284 | 464 module testpointer1; |
| 225 | 465 var int* pa; |
| 466 function void t() | |
| 467 { | |
| 468 var int a; | |
| 469 pa = &a; | |
| 470 *pa = 22; | |
| 308 | 471 a = *pa + *pa * 8; |
| 225 | 472 } |
| 473 """ | |
| 474 self.expectOK(snippet) | |
| 475 | |
| 215 | 476 def testPointerType(self): |
| 213 | 477 snippet = """ |
| 284 | 478 module testpointer; |
| 225 | 479 var int* pa, pb; |
| 213 | 480 function void t(int a, double b) |
| 481 { | |
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482 var int a2; |
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483 a2 = a; // parameters cannot be escaped for now.. |
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484 pa = &a2; |
| 225 | 485 pb = pa; |
| 213 | 486 *pa = 22; |
| 487 } | |
| 488 """ | |
| 215 | 489 self.expectOK(snippet) |
| 213 | 490 |
| 221 | 491 def testPointerTypeInCorrect(self): |
| 492 snippet = """ | |
| 284 | 493 module testpointerincorrect; |
| 221 | 494 var int* pa; |
| 495 function void t(int a, double b) | |
| 496 { | |
| 497 pa = 2; // type conflict | |
| 498 pa = &a; | |
| 307 | 499 pa = &2; // No valid lvalue |
| 221 | 500 &a = pa; // No valid lvalue |
| 501 **pa = 22; // Cannot deref int | |
| 502 } | |
| 503 """ | |
| 307 | 504 self.expectErrors(snippet, [6, 8, 9, 10]) |
| 221 | 505 |
| 230 | 506 def testPointerTypeIr(self): |
| 507 snippet = """ | |
| 284 | 508 module testptr_ir; |
| 230 | 509 function void t() |
| 510 { | |
| 511 var int* a; | |
| 512 a = cast<int*>(40); | |
| 513 *a = 2; | |
| 514 } | |
| 515 """ | |
| 268 | 516 self.expectOK(snippet) |
| 230 | 517 |
| 518 def testPointerTypeIr2(self): | |
| 519 snippet = """ | |
| 284 | 520 module testptr_ir; |
| 230 | 521 type struct {int x,y;}* gpio; |
| 522 function void t() | |
| 523 { | |
| 524 var gpio a; | |
| 525 a = cast<gpio>(40); | |
| 526 a->x = 2; | |
| 527 a->y = a->x - 14; | |
| 528 } | |
| 529 """ | |
| 268 | 530 self.expectOK(snippet) |
| 230 | 531 |
| 393 | 532 def testPointerArithmatic(self): |
| 533 snippet = """ | |
| 534 module testpointerarithmatic; | |
| 535 function void t() | |
| 536 { | |
| 537 var int* pa; | |
| 538 *(pa+2) = 2; | |
| 539 } | |
| 540 """ | |
| 541 self.expectOK(snippet) | |
| 542 | |
| 230 | 543 def testWrongCast(self): |
| 544 snippet = """ | |
| 284 | 545 module testptr_ir; |
| 230 | 546 type struct {int x,y;}* gpio; |
| 547 function void t() | |
| 548 { | |
| 549 var gpio a; | |
| 550 *cast<gpio>(*a); | |
| 551 } | |
| 552 """ | |
| 308 | 553 self.expectErrors(snippet, [7]) |
| 230 | 554 |
| 389 | 555 def testLinkedList(self): |
| 556 """ | |
| 557 Test if a struct can contain a field with a pointer to itself | |
| 558 """ | |
| 559 snippet = """ | |
| 560 module testlinkedlist; | |
| 561 | |
| 562 type struct { | |
| 563 int x; | |
| 564 list_t* next; | |
| 565 } list_t; | |
| 566 | |
| 567 function void t() | |
| 568 { | |
| 569 var list_t* a; | |
| 570 a = a->next; | |
| 571 } | |
| 572 """ | |
| 573 self.expectOK(snippet) | |
| 574 | |
| 575 def testInfiniteStruct(self): | |
| 576 """ | |
| 577 Test if a struct can contain a field with itself as type? | |
| 578 This should not be possible! | |
| 579 """ | |
| 580 snippet = """ | |
| 581 module testnestedstruct; | |
| 582 | |
| 583 type struct { | |
| 584 int x; | |
| 585 list_t inner; | |
| 586 } list_t; | |
| 587 | |
| 588 """ | |
| 589 self.expectErrors(snippet, [0]) | |
| 590 | |
| 591 def testMutualStructs(self): | |
| 592 """ | |
| 593 Test if two structs can contain each other! | |
| 594 This should not be possible! | |
| 595 """ | |
| 596 snippet = """ | |
| 597 module testnestedstruct; | |
| 598 | |
| 599 type struct { | |
| 600 int x; | |
| 601 B other; | |
| 602 } A; | |
| 603 | |
| 604 type struct { | |
| 605 int x; | |
| 606 A other; | |
| 607 } B; | |
| 608 | |
| 609 """ | |
| 610 self.expectErrors(snippet, [0]) | |
| 611 | |
| 215 | 612 def testComplexType(self): |
| 213 | 613 snippet = """ |
| 284 | 614 module testpointer; |
| 213 | 615 type int my_int; |
| 616 | |
| 617 type struct { | |
| 618 int x, y; | |
| 619 } point; | |
| 620 | |
| 621 type struct { | |
| 622 int mem1; | |
| 623 int memb2; | |
| 624 point P1; | |
| 625 } my_struct; | |
| 626 | |
| 627 type my_struct* my_sptr; | |
| 225 | 628 var int* pa; |
| 213 | 629 |
| 227 | 630 function void t(int a, int b, my_sptr x) |
| 213 | 631 { |
| 632 var my_struct *msp; | |
| 633 | |
| 225 | 634 var my_struct u, v; |
| 635 var point *pt; | |
| 636 | |
| 637 pt = &msp->P1; | |
| 213 | 638 msp = x; |
| 225 | 639 *pa = 22 + u.mem1 * v.memb2 - u.P1.x; |
| 213 | 640 x->memb2 = *pa + a * b; |
| 641 | |
| 225 | 642 msp->P1.x = a * x->P1.y; |
| 213 | 643 } |
| 644 """ | |
| 215 | 645 self.expectOK(snippet) |
| 205 | 646 |
| 167 | 647 |
| 648 if __name__ == '__main__': | |
| 243 | 649 unittest.main() |