1 // Copyright 2014 Google Inc. All rights reserved. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 package parser 16 17 import ( 18 "bytes" 19 "testing" 20 ) 21 22 var validPrinterTestCases = []struct { 23 input string 24 output string 25 }{ 26 { 27 input: ` 28 foo {} 29 `, 30 output: ` 31 foo {} 32 `, 33 }, 34 { 35 input: ` 36 foo(name= "abc",num= 4,) 37 `, 38 output: ` 39 foo { 40 name: "abc", 41 num: 4, 42 } 43 `, 44 }, 45 { 46 input: ` 47 foo { 48 stuff: ["asdf", "jkl;", "qwert", 49 "uiop", "bnm,"] 50 } 51 `, 52 output: ` 53 foo { 54 stuff: [ 55 "asdf", 56 "bnm,", 57 "jkl;", 58 "qwert", 59 "uiop", 60 ], 61 } 62 `, 63 }, 64 { 65 input: ` 66 var = "asdf" 67 foo { 68 stuff: ["asdf"] + var, 69 }`, 70 output: ` 71 var = "asdf" 72 foo { 73 stuff: ["asdf"] + var, 74 } 75 `, 76 }, 77 { 78 input: ` 79 var = "asdf" 80 foo { 81 stuff: [ 82 "asdf" 83 ] + var, 84 }`, 85 output: ` 86 var = "asdf" 87 foo { 88 stuff: [ 89 "asdf", 90 ] + var, 91 } 92 `, 93 }, 94 { 95 input: ` 96 var = "asdf" 97 foo { 98 stuff: ["asdf"] + var + ["qwert"], 99 }`, 100 output: ` 101 var = "asdf" 102 foo { 103 stuff: ["asdf"] + var + ["qwert"], 104 } 105 `, 106 }, 107 { 108 input: ` 109 foo { 110 stuff: { 111 isGood: true, 112 name: "bar", 113 num: 4, 114 } 115 } 116 `, 117 output: ` 118 foo { 119 stuff: { 120 isGood: true, 121 name: "bar", 122 num: 4, 123 }, 124 } 125 `, 126 }, 127 { 128 input: ` 129 // comment1 130 foo { 131 // comment2 132 isGood: true, // comment3 133 } 134 `, 135 output: ` 136 // comment1 137 foo { 138 // comment2 139 isGood: true, // comment3 140 } 141 `, 142 }, 143 { 144 input: ` 145 foo { 146 name: "abc", 147 num: 4, 148 } 149 150 bar { 151 name: "def", 152 num: 5, 153 } 154 `, 155 output: ` 156 foo { 157 name: "abc", 158 num: 4, 159 } 160 161 bar { 162 name: "def", 163 num: 5, 164 } 165 `, 166 }, 167 { 168 input: ` 169 foo { 170 bar: "b" + 171 "a" + 172 "z", 173 } 174 `, 175 output: ` 176 foo { 177 bar: "b" + 178 "a" + 179 "z", 180 } 181 `, 182 }, 183 { 184 input: ` 185 foo = "stuff" 186 bar = foo 187 baz = foo + bar 188 baz += foo 189 `, 190 output: ` 191 foo = "stuff" 192 bar = foo 193 baz = foo + bar 194 baz += foo 195 `, 196 }, 197 { 198 input: ` 199 foo = 100 200 bar = foo 201 baz = foo + bar 202 baz += foo 203 `, 204 output: ` 205 foo = 100 206 bar = foo 207 baz = foo + bar 208 baz += foo 209 `, 210 }, 211 { 212 input: ` 213 foo = "bar " + 214 "" + 215 "baz" 216 `, 217 output: ` 218 foo = "bar " + 219 "" + 220 "baz" 221 `, 222 }, 223 { 224 input: ` 225 //test 226 test /* test */ { 227 srcs: [ 228 /*"bootstrap/bootstrap.go", 229 "bootstrap/cleanup.go",*/ 230 "bootstrap/command.go", 231 "bootstrap/doc.go", //doc.go 232 "bootstrap/config.go", //config.go 233 ], 234 deps: ["libabc"], 235 incs: [] 236 } //test 237 //test 238 test2 { 239 } 240 241 242 //test3 243 `, 244 output: ` 245 //test 246 test /* test */ { 247 srcs: [ 248 /*"bootstrap/bootstrap.go", 249 "bootstrap/cleanup.go",*/ 250 "bootstrap/command.go", 251 "bootstrap/config.go", //config.go 252 "bootstrap/doc.go", //doc.go 253 ], 254 deps: ["libabc"], 255 incs: [], 256 } //test 257 //test 258 259 test2 { 260 } 261 262 //test3 263 `, 264 }, 265 { 266 input: ` 267 // test 268 module // test 269 270 { 271 srcs 272 : [ 273 "src1.c", 274 "src2.c", 275 ], 276 //test 277 } 278 //test2 279 `, 280 output: ` 281 // test 282 module { // test 283 284 srcs: [ 285 "src1.c", 286 "src2.c", 287 ], 288 //test 289 } 290 291 //test2 292 `, 293 }, 294 { 295 input: ` 296 /*test { 297 test: true, 298 }*/ 299 300 test { 301 /*test: true,*/ 302 } 303 304 // This 305 /* Is *//* A */ // A 306 // A 307 308 // Multiline 309 // Comment 310 311 test {} 312 313 // This 314 /* Is */ 315 // A 316 // Trailing 317 318 // Multiline 319 // Comment 320 `, 321 output: ` 322 /*test { 323 test: true, 324 }*/ 325 326 test { 327 /*test: true,*/ 328 } 329 330 // This 331 /* Is */ /* A */ // A 332 // A 333 334 // Multiline 335 // Comment 336 337 test {} 338 339 // This 340 /* Is */ 341 // A 342 // Trailing 343 344 // Multiline 345 // Comment 346 `, 347 }, 348 { 349 input: ` 350 test // test 351 352 // test 353 { 354 } 355 `, 356 output: ` 357 test { // test 358 359 // test 360 361 } 362 `, 363 }, 364 } 365 366 func TestPrinter(t *testing.T) { 367 for _, testCase := range validPrinterTestCases { 368 in := testCase.input[1:] 369 expected := testCase.output[1:] 370 371 r := bytes.NewBufferString(in) 372 file, errs := Parse("", r, NewScope(nil)) 373 if len(errs) != 0 { 374 t.Errorf("test case: %s", in) 375 t.Errorf("unexpected errors:") 376 for _, err := range errs { 377 t.Errorf(" %s", err) 378 } 379 t.FailNow() 380 } 381 382 SortLists(file) 383 384 got, err := Print(file) 385 if err != nil { 386 t.Errorf("test case: %s", in) 387 t.Errorf("unexpected error: %s", err) 388 t.FailNow() 389 } 390 391 if string(got) != expected { 392 t.Errorf("test case: %s", in) 393 t.Errorf(" expected: %s", expected) 394 t.Errorf(" got: %s", string(got)) 395 } 396 } 397 } 398
