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| 1 // Copyright 2016 the V8 project authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Flags: --harmony-async-await --allow-natives-syntax | |
| 6 | |
| 7 function assertThrowsAsync(run, errorType, message) { | |
| 8 var actual; | |
| 9 var hadValue = false; | |
| 10 var hadError = false; | |
| 11 var promise = run(); | |
| 12 | |
| 13 if (typeof promise !== "object" || typeof promise.then !== "function") { | |
| 14 throw new MjsUnitAssertionError( | |
| 15 "Expected " + run.toString() + | |
| 16 " to return a Promise, but it returned " + PrettyPrint(promise)); | |
| 17 } | |
| 18 | |
| 19 promise.then(function(value) { hadValue = true; actual = value; }, | |
| 20 function(error) { hadError = true; actual = error; }); | |
| 21 | |
| 22 assertFalse(hadValue || hadError); | |
| 23 | |
| 24 %RunMicrotasks(); | |
| 25 | |
| 26 if (!hadError) { | |
| 27 throw new MjsUnitAssertionError( | |
| 28 "Expected " + run + "() to throw " + errorType.name + | |
| 29 ", but did not throw."); | |
| 30 } | |
| 31 if (!(actual instanceof errorType)) | |
| 32 throw new MjsUnitAssertionError( | |
| 33 "Expected " + run + "() to throw " + errorType.name + | |
| 34 ", but threw '" + actual + "'"); | |
| 35 if (message !== void 0 && actual.message !== message) | |
| 36 throw new MjsUnitAssertionError( | |
| 37 "Expected " + run + "() to throw '" + message + "', but threw '" + | |
| 38 actual.message + "'"); | |
| 39 }; | |
| 40 | |
| 41 function assertEqualsAsync(expected, run, msg) { | |
| 42 var actual; | |
| 43 var hadValue = false; | |
| 44 var hadError = false; | |
| 45 var promise = run(); | |
| 46 | |
| 47 if (typeof promise !== "object" || typeof promise.then !== "function") { | |
| 48 throw new MjsUnitAssertionError( | |
| 49 "Expected " + run.toString() + | |
| 50 " to return a Promise, but it returned " + PrettyPrint(promise)); | |
| 51 } | |
| 52 | |
| 53 promise.then(function(value) { hadValue = true; actual = value; }, | |
| 54 function(error) { hadError = true; actual = error; }); | |
| 55 | |
| 56 assertFalse(hadValue || hadError); | |
| 57 | |
| 58 %RunMicrotasks(); | |
| 59 | |
| 60 if (hadError) throw actual; | |
| 61 | |
| 62 assertTrue( | |
| 63 hadValue, "Expected '" + run.toString() + "' to produce a value"); | |
| 64 | |
| 65 assertEquals(expected, actual, msg); | |
| 66 }; | |
| 67 | |
| 68 (function TestDefaultEvaluationOrder() { | |
| 69 var y = 0; | |
| 70 var z = 0; | |
| 71 var w = 0; | |
| 72 async function f1(x = (y = 1)) { z = 1; await undefined; w = 1; }; | |
| 73 assertEquals(0, y); | |
| 74 assertEquals(0, z); | |
| 75 assertEquals(0, w); | |
| 76 f1(); | |
| 77 assertEquals(1, y); | |
| 78 assertEquals(1, z); | |
| 79 assertEquals(0, w); | |
| 80 %RunMicrotasks(); | |
| 81 assertEquals(1, y); | |
| 82 assertEquals(1, z); | |
| 83 assertEquals(1, w); | |
| 84 })(); | |
| 85 | |
| 86 (function TestShadowingOfParameters() { | |
| 87 async function f1({x}) { var x = 2; return x } | |
| 88 assertEqualsAsync(2, () => f1({x: 1})); | |
| 89 async function f2({x}) { { var x = 2; } return x; } | |
| 90 assertEqualsAsync(2, () => f2({x: 1})); | |
| 91 async function f3({x}) { var y = x; var x = 2; return y; } | |
| 92 assertEqualsAsync(1, () => f3({x: 1})); | |
| 93 async function f4({x}) { { var y = x; var x = 2; } return y; } | |
| 94 assertEqualsAsync(1, () => f4({x: 1})); | |
| 95 async function f5({x}, g = () => x) { var x = 2; return g(); } | |
| 96 assertEqualsAsync(1, () => f5({x: 1})); | |
| 97 async function f6({x}, g = () => x) { { var x = 2; } return g(); } | |
| 98 assertEqualsAsync(1, () => f6({x: 1})); | |
| 99 async function f7({x}) { var g = () => x; var x = 2; return g(); } | |
| 100 assertEqualsAsync(2, () => f7({x: 1})); | |
| 101 async function f8({x}) { { var g = () => x; var x = 2; } return g(); } | |
| 102 assertEqualsAsync(2, () => f8({x: 1})); | |
| 103 async function f9({x}, g = () => eval("x")) { var x = 2; return g(); } | |
| 104 assertEqualsAsync(1, () => f9({x: 1})); | |
| 105 | |
| 106 async function f10({x}, y) { var y; return y } | |
| 107 assertEqualsAsync(2, () => f10({x: 6}, 2)); | |
| 108 async function f11({x}, y) { var z = y; var y = 2; return z; } | |
| 109 assertEqualsAsync(1, () => f11({x: 6}, 1)); | |
| 110 async function f12(y, g = () => y) { var y = 2; return g(); } | |
| 111 assertEqualsAsync(1, () => f12(1)); | |
| 112 async function f13({x}, y, [z], v) { var x, y, z; return x*y*z*v } | |
| 113 assertEqualsAsync(210, () => f13({x: 2}, 3, [5], 7)); | |
| 114 | |
| 115 async function f20({x}) { function x() { return 2 }; return x(); } | |
| 116 assertEqualsAsync(2, () => f20({x: 1})); | |
| 117 // Annex B 3.3 function hoisting is blocked by the conflicting x declaration | |
| 118 async function f21({x}) { { function x() { return 2 } } return x; } | |
| 119 assertEqualsAsync(1, () => f21({x: 1})); | |
| 120 | |
| 121 var g1 = async ({x}) => { var x = 2; return x }; | |
| 122 assertEqualsAsync(2, () => g1({x: 1})); | |
| 123 var g2 = async ({x}) => { { var x = 2; } return x; }; | |
| 124 assertEqualsAsync(2, () => g2({x: 1})); | |
| 125 var g3 = async ({x}) => { var y = x; var x = 2; return y; }; | |
| 126 assertEqualsAsync(1, () => g3({x: 1})); | |
| 127 var g4 = async ({x}) => { { var y = x; var x = 2; } return y; }; | |
| 128 assertEqualsAsync(1, () => g4({x: 1})); | |
| 129 var g5 = async ({x}, g = () => x) => { var x = 2; return g(); }; | |
| 130 assertEqualsAsync(1, () => g5({x: 1})); | |
| 131 var g6 = async ({x}, g = () => x) => { { var x = 2; } return g(); }; | |
| 132 assertEqualsAsync(1, () => g6({x: 1})); | |
| 133 var g7 = async ({x}) => { var g = () => x; var x = 2; return g(); }; | |
| 134 assertEqualsAsync(2, () => g7({x: 1})); | |
| 135 var g8 = async ({x}) => { { var g = () => x; var x = 2; } return g(); }; | |
| 136 assertEqualsAsync(2, () => g8({x: 1})); | |
| 137 var g9 = async ({x}, g = () => eval("x")) => { var x = 2; return g(); }; | |
| 138 assertEqualsAsync(1, () => g9({x: 1})); | |
| 139 | |
| 140 var g10 = async ({x}, y) => { var y; return y }; | |
| 141 assertEqualsAsync(2, () => g10({x: 6}, 2)); | |
| 142 var g11 = async ({x}, y) => { var z = y; var y = 2; return z; }; | |
| 143 assertEqualsAsync(1, () => g11({x: 6}, 1)); | |
| 144 var g12 = async (y, g = () => y) => { var y = 2; return g(); }; | |
| 145 assertEqualsAsync(1, () => g12(1)); | |
| 146 var g13 = async ({x}, y, [z], v) => { var x, y, z; return x*y*z*v }; | |
| 147 assertEqualsAsync(210, () => g13({x: 2}, 3, [5], 7)); | |
| 148 | |
| 149 var g20 = async ({x}) => { function x() { return 2 }; return x(); } | |
| 150 assertEqualsAsync(2, () => g20({x: 1})); | |
| 151 var g21 = async ({x}) => { { function x() { return 2 } } return x(); } | |
| 152 assertThrowsAsync(() => g21({x: 1}), TypeError); | |
| 153 | |
| 154 // These errors are not recognized in lazy parsing; see mjsunit/bugs/bug-2728.
js | |
| 155 assertThrows("'use strict'; (async function f(x) { let x = 0; })()", SyntaxErr
or); | |
| 156 assertThrows("'use strict'; (async function f({x}) { let x = 0; })()", SyntaxE
rror); | |
| 157 assertThrows("'use strict'; (async function f(x) { const x = 0; })()", SyntaxE
rror); | |
| 158 assertThrows("'use strict'; (async function f({x}) { const x = 0; })()", Synta
xError); | |
| 159 | |
| 160 assertThrows("'use strict'; let g = async (x) => { let x = 0; }", SyntaxError)
; | |
| 161 assertThrows("'use strict'; let g = async ({x}) => { let x = 0; }", SyntaxErro
r); | |
| 162 assertThrows("'use strict'; let g = async (x) => { const x = 0; }", SyntaxErro
r); | |
| 163 assertThrows("'use strict'; let g = async ({x}) => { const x = 0; }", SyntaxEr
ror); | |
| 164 }()); | |
| 165 | |
| 166 (function TestDefaults() { | |
| 167 async function f1(x = 1) { return x } | |
| 168 assertEqualsAsync(1, () => f1()); | |
| 169 assertEqualsAsync(1, () => f1(undefined)); | |
| 170 assertEqualsAsync(2, () => f1(2)); | |
| 171 assertEqualsAsync(null, () => f1(null)); | |
| 172 | |
| 173 async function f2(x, y = x) { return x + y; } | |
| 174 assertEqualsAsync(8, () => f2(4)); | |
| 175 assertEqualsAsync(8, () => f2(4, undefined)); | |
| 176 assertEqualsAsync(6, () => f2(4, 2)); | |
| 177 | |
| 178 async function f3(x = 1, y) { return x + y; } | |
| 179 assertEqualsAsync(8, () => f3(5, 3)); | |
| 180 assertEqualsAsync(3, () => f3(undefined, 2)); | |
| 181 assertEqualsAsync(6, () => f3(4, 2)); | |
| 182 | |
| 183 async function f4(x = () => 1) { return x() } | |
| 184 assertEqualsAsync(1, () => f4()); | |
| 185 assertEqualsAsync(1, () => f4(undefined)); | |
| 186 assertEqualsAsync(2, () => f4(() => 2)); | |
| 187 assertThrowsAsync(() => f4(null), TypeError); | |
| 188 | |
| 189 async function f5(x, y = () => x) { return x + y(); } | |
| 190 assertEqualsAsync(8, () => f5(4)); | |
| 191 assertEqualsAsync(8, () => f5(4, undefined)); | |
| 192 assertEqualsAsync(6, () => f5(4, () => 2)); | |
| 193 | |
| 194 async function f6(x = {a: 1, m() { return 2 }}) { return x.a + x.m(); } | |
| 195 assertEqualsAsync(3, () => f6()); | |
| 196 assertEqualsAsync(3, () => f6(undefined)); | |
| 197 assertEqualsAsync(5, () => f6({a: 2, m() { return 3 }})); | |
| 198 | |
| 199 var g1 = async (x = 1) => { return x }; | |
| 200 assertEqualsAsync(1, () => g1()); | |
| 201 assertEqualsAsync(1, () => g1(undefined)); | |
| 202 assertEqualsAsync(2, () => g1(2)); | |
| 203 assertEqualsAsync(null, () => g1(null)); | |
| 204 | |
| 205 var g2 = async (x, y = x) => { return x + y; }; | |
| 206 assertEqualsAsync(8, () => g2(4)); | |
| 207 assertEqualsAsync(8, () => g2(4, undefined)); | |
| 208 assertEqualsAsync(6, () => g2(4, 2)); | |
| 209 | |
| 210 var g3 = async (x = 1, y) => { return x + y; }; | |
| 211 assertEqualsAsync(8, () => g3(5, 3)); | |
| 212 assertEqualsAsync(3, () => g3(undefined, 2)); | |
| 213 assertEqualsAsync(6, () => g3(4, 2)); | |
| 214 | |
| 215 var g4 = async (x = () => 1) => { return x() }; | |
| 216 assertEqualsAsync(1, () => g4()); | |
| 217 assertEqualsAsync(1, () => g4(undefined)); | |
| 218 assertEqualsAsync(2, () => g4(() => 2)); | |
| 219 assertThrowsAsync(() => g4(null), TypeError); | |
| 220 | |
| 221 var g5 = async (x, y = () => x) => { return x + y(); }; | |
| 222 assertEqualsAsync(8, () => g5(4)); | |
| 223 assertEqualsAsync(8, () => g5(4, undefined)); | |
| 224 assertEqualsAsync(6, () => g5(4, () => 2)); | |
| 225 | |
| 226 var g6 = async (x = {a: 1, m() { return 2 }}) => { return x.a + x.m(); }; | |
| 227 assertEqualsAsync(3, () => g6()); | |
| 228 assertEqualsAsync(3, () => g6(undefined)); | |
| 229 assertEqualsAsync(5, () => g6({a: 2, m() { return 3 }})); | |
| 230 }()); | |
| 231 | |
| 232 | |
| 233 (function TestEvalInParameters() { | |
| 234 async function f1(x = eval(0)) { return x } | |
| 235 assertEqualsAsync(0, f1); | |
| 236 async function f2(x = () => eval(1)) { return x() } | |
| 237 assertEqualsAsync(1, f2); | |
| 238 })(); | |
| 239 | |
| 240 | |
| 241 (function TestParameterScopingSloppy() { | |
| 242 var x = 1; | |
| 243 | |
| 244 async function f1(a = x) { var x = 2; return a; } | |
| 245 assertEqualsAsync(1, f1); | |
| 246 async function f2(a = x) { function x() {}; return a; } | |
| 247 assertEqualsAsync(1, () => f2()); | |
| 248 async function f3(a = eval("x")) { var x; return a; } | |
| 249 assertEqualsAsync(1, () => f3()); | |
| 250 async function f31(a = eval("'use strict'; x")) { var x; return a; } | |
| 251 assertEqualsAsync(1, () => f31()); | |
| 252 async function f4(a = function() { return x }) { var x; return a(); } | |
| 253 assertEqualsAsync(1, () => f4()); | |
| 254 async function f5(a = () => x) { var x; return a(); } | |
| 255 assertEqualsAsync(1, () => f5()); | |
| 256 async function f6(a = () => eval("x")) { var x; return a(); } | |
| 257 assertEqualsAsync(1, () => f6()); | |
| 258 async function f61(a = () => { 'use strict'; return eval("x") }) { var x; retu
rn a(); } | |
| 259 assertEqualsAsync(1, () => f61()); | |
| 260 async function f62(a = () => eval("'use strict'; x")) { var x; return a(); } | |
| 261 assertEqualsAsync(1, () => f62()); | |
| 262 | |
| 263 var g1 = async (a = x) => { var x = 2; return a; }; | |
| 264 assertEqualsAsync(1, () => g1()); | |
| 265 var g2 = async (a = x) => { function x() {}; return a; }; | |
| 266 assertEqualsAsync(1, () => g2()); | |
| 267 var g3 = async (a = eval("x")) => { var x; return a; }; | |
| 268 assertEqualsAsync(1, g3); | |
| 269 var g31 = async (a = eval("'use strict'; x")) => { var x; return a; }; | |
| 270 assertEqualsAsync(1, () => g31()); | |
| 271 var g4 = async (a = function() { return x }) => { var x; return a(); }; | |
| 272 assertEqualsAsync(1, () => g4()); | |
| 273 var g5 = async (a = () => x) => { var x; return a(); }; | |
| 274 assertEqualsAsync(1, () => g5()); | |
| 275 var g6 = async (a = () => eval("x")) => { var x; return a(); }; | |
| 276 assertEqualsAsync(1, () => g6()); | |
| 277 var g61 = async (a = () => { 'use strict'; return eval("x") }) => { var x; ret
urn a(); }; | |
| 278 assertEqualsAsync(1, () => g61()); | |
| 279 var g62 = async (a = () => eval("'use strict'; x")) => { var x; return a(); }; | |
| 280 assertEqualsAsync(1, () => g62()); | |
| 281 | |
| 282 var f11 = async function f(x = f) { var f; return x; } | |
| 283 assertEqualsAsync(f11, f11); | |
| 284 var f12 = async function f(x = f) { function f() {}; return x; } | |
| 285 assertEqualsAsync(f12, f12); | |
| 286 var f13 = async function f(f = 7, x = f) { return x; } | |
| 287 assertEqualsAsync(7, f13); | |
| 288 | |
| 289 var o1 = {f: async function(x = this) { return x; }}; | |
| 290 assertEqualsAsync(o1, () => o1.f()); | |
| 291 assertEqualsAsync(1, () => o1.f(1)); | |
| 292 })(); | |
| 293 | |
| 294 (function TestParameterScopingStrict() { | |
| 295 "use strict"; | |
| 296 var x = 1; | |
| 297 | |
| 298 async function f1(a = x) { let x = 2; return a; } | |
| 299 assertEqualsAsync(1, () => f1()); | |
| 300 async function f2(a = x) { const x = 2; return a; } | |
| 301 assertEqualsAsync(1, () => f2()); | |
| 302 async function f3(a = x) { function x() {}; return a; } | |
| 303 assertEqualsAsync(1, () => f3()); | |
| 304 async function f4(a = eval("x")) { var x; return a; } | |
| 305 assertEqualsAsync(1, () => f4()); | |
| 306 async function f5(a = () => eval("x")) { var x; return a(); } | |
| 307 assertEqualsAsync(1, () => f5()); | |
| 308 | |
| 309 var g1 = async (a = x) => { let x = 2; return a; }; | |
| 310 assertEqualsAsync(1, () => g1()); | |
| 311 var g2 = async (a = x) => { const x = 2; return a; }; | |
| 312 assertEqualsAsync(1, () => g2()); | |
| 313 var g3 = async (a = x) => { function x() {}; return a; }; | |
| 314 assertEqualsAsync(1, () => g3()); | |
| 315 var g4 = async (a = eval("x")) => { var x; return a; }; | |
| 316 assertEqualsAsync(1, () => g4()); | |
| 317 var g5 = async (a = () => eval("x")) => { var x; return a(); }; | |
| 318 assertEqualsAsync(1, () => g5()); | |
| 319 | |
| 320 var f11 = async function f(x = f) { let f; return x; } | |
| 321 assertEqualsAsync(f11, f11); | |
| 322 var f12 = async function f(x = f) { const f = 0; return x; } | |
| 323 assertEqualsAsync(f12, f12); | |
| 324 var f13 = async function f(x = f) { function f() {}; return x; } | |
| 325 assertEqualsAsync(f13, f13); | |
| 326 })(); | |
| 327 | |
| 328 (function TestSloppyEvalScoping() { | |
| 329 var x = 1; | |
| 330 | |
| 331 async function f1(y = eval("var x = 2")) { with ({}) { return x; } } | |
| 332 assertEqualsAsync(1, () => f1()); | |
| 333 async function f2(y = eval("var x = 2"), z = x) { return z; } | |
| 334 assertEqualsAsync(1, () => f2()); | |
| 335 assertEqualsAsync(1, () => f2(0)); | |
| 336 async function f3(y = eval("var x = 2"), z = eval("x")) { return z; } | |
| 337 assertEqualsAsync(1, () => f3()); | |
| 338 assertEqualsAsync(1, () => f3(0)); | |
| 339 async function f8(y = (eval("var x = 2"), x)) { return y; } | |
| 340 assertEqualsAsync(2, () => f8()); | |
| 341 assertEqualsAsync(0, () => f8(0)); | |
| 342 | |
| 343 async function f11(z = eval("var y = 2")) { return y; } | |
| 344 assertThrowsAsync(f11, ReferenceError); | |
| 345 async function f12(z = eval("var y = 2"), b = y) {} | |
| 346 assertThrowsAsync(f12, ReferenceError); | |
| 347 async function f13(z = eval("var y = 2"), b = eval("y")) {} | |
| 348 assertThrowsAsync(f13, ReferenceError); | |
| 349 | |
| 350 async function f21(f = () => x) { eval("var x = 2"); return f() } | |
| 351 assertEqualsAsync(1, () => f21()); | |
| 352 assertEqualsAsync(3, () => f21(() => 3)); | |
| 353 async function f22(f = () => eval("x")) { eval("var x = 2"); return f() } | |
| 354 assertEqualsAsync(1, () => f22()); | |
| 355 assertEqualsAsync(3, () => f22(() => 3)); | |
| 356 | |
| 357 var g1 = async (y = eval("var x = 2")) => { with ({}) { return x; } }; | |
| 358 assertEqualsAsync(1, () => g1()); | |
| 359 var g2 = async (y = eval("var x = 2"), z = x) => { return z; }; | |
| 360 assertEqualsAsync(1, () => g2()); | |
| 361 assertEqualsAsync(1, () => g2(0)); | |
| 362 var g3 = async (y = eval("var x = 2"), z = eval("x")) => { return z; }; | |
| 363 assertEqualsAsync(1, () => g3()); | |
| 364 assertEqualsAsync(1, () => g3(0)); | |
| 365 var g8 = async (y = (eval("var x = 2"), x)) => { return y; }; | |
| 366 assertEqualsAsync(2, () => g8()); | |
| 367 assertEqualsAsync(0, () => g8(0)); | |
| 368 | |
| 369 var g11 = async (z = eval("var y = 2")) => { return y; }; | |
| 370 assertThrowsAsync(g11, ReferenceError); | |
| 371 var g12 = async (z = eval("var y = 2"), b = y) => {}; | |
| 372 assertThrowsAsync(g12, ReferenceError); | |
| 373 var g13 = async (z = eval("var y = 2"), b = eval("y")) => {}; | |
| 374 assertThrowsAsync(g13, ReferenceError); | |
| 375 | |
| 376 var g21 = async (f = () => x) => { eval("var x = 2"); return f() }; | |
| 377 assertEqualsAsync(1, () => g21()); | |
| 378 assertEqualsAsync(3, () => g21(() => 3)); | |
| 379 var g22 = async (f = () => eval("x")) => { eval("var x = 2"); return f() }; | |
| 380 assertEqualsAsync(1, () => g22()); | |
| 381 assertEqualsAsync(3, () => g22(() => 3)); | |
| 382 })(); | |
| 383 | |
| 384 | |
| 385 (function TestStrictEvalScoping() { | |
| 386 'use strict'; | |
| 387 var x = 1; | |
| 388 | |
| 389 async function f1(y = eval("var x = 2")) { return x; } | |
| 390 assertEqualsAsync(1, () => f1()); | |
| 391 async function f2(y = eval("var x = 2"), z = x) { return z; } | |
| 392 assertEqualsAsync(1, () => f2()); | |
| 393 assertEqualsAsync(1, () => f2(0)); | |
| 394 async function f3(y = eval("var x = 2"), z = eval("x")) { return z; } | |
| 395 assertEqualsAsync(1, () => f3()); | |
| 396 assertEqualsAsync(1, () => f3(0)); | |
| 397 async function f8(y = (eval("var x = 2"), x)) { return y; } | |
| 398 assertEqualsAsync(1, () => f8()); | |
| 399 assertEqualsAsync(0, () => f8(0)); | |
| 400 | |
| 401 async function f11(z = eval("var y = 2")) { return y; } | |
| 402 assertThrowsAsync(f11, ReferenceError); | |
| 403 async function f12(z = eval("var y = 2"), b = y) {} | |
| 404 assertThrowsAsync(f12, ReferenceError); | |
| 405 async function f13(z = eval("var y = 2"), b = eval("y")) {} | |
| 406 assertThrowsAsync(f13, ReferenceError); | |
| 407 | |
| 408 async function f21(f = () => x) { eval("var x = 2"); return f() } | |
| 409 assertEqualsAsync(1, () => f21()); | |
| 410 assertEqualsAsync(3, () => f21(() => 3)); | |
| 411 async function f22(f = () => eval("x")) { eval("var x = 2"); return f() } | |
| 412 assertEqualsAsync(1, () => f22()); | |
| 413 assertEqualsAsync(3, () => f22(() => 3)); | |
| 414 })(); | |
| 415 | |
| 416 (function TestParameterTDZSloppy() { | |
| 417 async function f1(a = x, x) { return a } | |
| 418 assertThrowsAsync(() => f1(undefined, 4), ReferenceError); | |
| 419 assertEqualsAsync(4, () => f1(4, 5)); | |
| 420 async function f2(a = eval("x"), x) { return a } | |
| 421 assertThrowsAsync(() => f2(undefined, 4), ReferenceError); | |
| 422 assertEqualsAsync(4, () => f2(4, 5)); | |
| 423 async function f3(a = eval("'use strict'; x"), x) { return a } | |
| 424 assertThrowsAsync(() => f3(undefined, 4), ReferenceError); | |
| 425 assertEqualsAsync(4, () => f3(4, 5)); | |
| 426 async function f4(a = () => x, x) { return a() } | |
| 427 assertEqualsAsync(4, () => f4(() => 4, 5)); | |
| 428 async function f5(a = () => eval("x"), x) { return a() } | |
| 429 assertEqualsAsync(4, () => f5(() => 4, 5)); | |
| 430 async function f6(a = () => eval("'use strict'; x"), x) { return a() } | |
| 431 assertEqualsAsync(4, () => f6(() => 4, 5)); | |
| 432 | |
| 433 async function f11(a = x, x = 2) { return a } | |
| 434 assertThrowsAsync(() => f11(), ReferenceError); | |
| 435 assertThrowsAsync(() => f11(undefined), ReferenceError); | |
| 436 assertThrowsAsync(() => f11(undefined, 4), ReferenceError); | |
| 437 assertEqualsAsync(4, () => f1(4, 5)); | |
| 438 async function f12(a = eval("x"), x = 2) { return a } | |
| 439 assertThrowsAsync(() => f12(), ReferenceError); | |
| 440 assertThrowsAsync(() => f12(undefined), ReferenceError); | |
| 441 assertThrowsAsync(() => f12(undefined, 4), ReferenceError); | |
| 442 assertEqualsAsync(4, () => f12(4, 5)); | |
| 443 async function f13(a = eval("'use strict'; x"), x = 2) { return a } | |
| 444 assertThrowsAsync(() => f13(), ReferenceError); | |
| 445 assertThrowsAsync(() => f13(undefined), ReferenceError); | |
| 446 assertThrowsAsync(() => f13(undefined, 4), ReferenceError); | |
| 447 assertEqualsAsync(4, () => f13(4, 5)); | |
| 448 | |
| 449 async function f21(x = function() { return a }, ...a) { return x()[0] } | |
| 450 assertEqualsAsync(4, () => f21(undefined, 4)); | |
| 451 async function f22(x = () => a, ...a) { return x()[0] } | |
| 452 assertEqualsAsync(4, () => f22(undefined, 4)); | |
| 453 async function f23(x = () => eval("a"), ...a) { return x()[0] } | |
| 454 assertEqualsAsync(4, () => f23(undefined, 4)); | |
| 455 async function f24(x = () => {'use strict'; return eval("a") }, ...a) { | |
| 456 return x()[0] | |
| 457 } | |
| 458 assertEqualsAsync(4, () => f24(undefined, 4)); | |
| 459 async function f25(x = () => eval("'use strict'; a"), ...a) { return x()[0] } | |
| 460 assertEqualsAsync(4, () => f25(undefined, 4)); | |
| 461 | |
| 462 var g1 = async (x = function() { return a }, ...a) => { return x()[0] }; | |
| 463 assertEqualsAsync(4, () => g1(undefined, 4)); | |
| 464 var g2 = async (x = () => a, ...a) => { return x()[0] }; | |
| 465 assertEqualsAsync(4, () => g2(undefined, 4)); | |
| 466 })(); | |
| 467 | |
| 468 (function TestParameterTDZStrict() { | |
| 469 "use strict"; | |
| 470 | |
| 471 async function f1(a = eval("x"), x) { return a } | |
| 472 assertThrowsAsync(() => f1(undefined, 4), ReferenceError); | |
| 473 assertEqualsAsync(4, () => f1(4, 5)); | |
| 474 async function f2(a = () => eval("x"), x) { return a() } | |
| 475 assertEqualsAsync(4, () => f2(() => 4, 5)); | |
| 476 | |
| 477 async function f11(a = eval("x"), x = 2) { return a } | |
| 478 assertThrowsAsync(() => f11(), ReferenceError); | |
| 479 assertThrowsAsync(() => f11(undefined), ReferenceError); | |
| 480 assertThrowsAsync(() => f11(undefined, 4), ReferenceError); | |
| 481 assertEqualsAsync(4, () => f11(4, 5)); | |
| 482 | |
| 483 async function f21(x = () => eval("a"), ...a) { return x()[0] } | |
| 484 assertEqualsAsync(4, () => f21(undefined, 4)); | |
| 485 })(); | |
| 486 | |
| 487 (function TestArgumentsForNonSimpleParameters() { | |
| 488 async function f1(x = 900) { arguments[0] = 1; return x } | |
| 489 assertEqualsAsync(9, () => f1(9)); | |
| 490 assertEqualsAsync(900, () => f1()); | |
| 491 async function f2(x = 1001) { x = 2; return arguments[0] } | |
| 492 assertEqualsAsync(10, () => f2(10)); | |
| 493 assertEqualsAsync(undefined, () => f2()); | |
| 494 }()); | |
| 495 | |
| 496 | |
| 497 (function TestFunctionLength() { | |
| 498 assertEquals(0, (async function(x = 1) {}).length); | |
| 499 assertEquals(0, (async function(x = 1, ...a) {}).length); | |
| 500 assertEquals(1, (async function(x, y = 1) {}).length); | |
| 501 assertEquals(1, (async function(x, y = 1, ...a) {}).length); | |
| 502 assertEquals(2, (async function(x, y, z = 1) {}).length); | |
| 503 assertEquals(2, (async function(x, y, z = 1, ...a) {}).length); | |
| 504 assertEquals(1, (async function(x, y = 1, z) {}).length); | |
| 505 assertEquals(1, (async function(x, y = 1, z, ...a) {}).length); | |
| 506 assertEquals(1, (async function(x, y = 1, z, v = 2) {}).length); | |
| 507 assertEquals(1, (async function(x, y = 1, z, v = 2, ...a) {}).length); | |
| 508 })(); | |
| 509 | |
| 510 (function TestDirectiveThrows() { | |
| 511 "use strict"; | |
| 512 | |
| 513 assertThrows("(async function(x=1){'use strict';})", SyntaxError); | |
| 514 assertThrows("(async function(a, x=1){'use strict';})", SyntaxError); | |
| 515 assertThrows("(async function({x}){'use strict';})", SyntaxError); | |
| 516 })(); | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2621173002:
Remove --harmony-async-await runtime flag (Closed)
