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| 1 // Copyright 2015 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-default-parameters | |
| 6 | |
| 7 | |
| 8 (function TestDefaults() { | |
| 9 function f1(x = 1) { return x } | |
| 10 assertEquals(1, f1()); | |
| 11 assertEquals(1, f1(undefined)); | |
| 12 assertEquals(2, f1(2)); | |
| 13 assertEquals(null, f1(null)); | |
| 14 | |
| 15 function f2(x, y = x) { return x + y; } | |
| 16 assertEquals(8, f2(4)); | |
| 17 assertEquals(8, f2(4, undefined)); | |
| 18 assertEquals(6, f2(4, 2)); | |
| 19 | |
| 20 function f3(x = 1, y) { return x + y; } | |
| 21 assertEquals(8, f3(5, 3)); | |
| 22 assertEquals(3, f3(undefined, 2)); | |
| 23 assertEquals(6, f3(4, 2)); | |
| 24 | |
| 25 function f4(x = () => 1) { return x() } | |
| 26 assertEquals(1, f4()); | |
| 27 assertEquals(1, f4(undefined)); | |
| 28 assertEquals(2, f4(() => 2)); | |
| 29 assertThrows(() => f4(null), TypeError); | |
| 30 | |
| 31 function f5(x, y = () => x) { return x + y(); } | |
| 32 assertEquals(8, f5(4)); | |
| 33 assertEquals(8, f5(4, undefined)); | |
| 34 assertEquals(6, f5(4, () => 2)); | |
| 35 | |
| 36 function f6(x = {a: 1, m() { return 2 }}) { return x.a + x.m(); } | |
| 37 assertEquals(3, f6()); | |
| 38 assertEquals(3, f6(undefined)); | |
| 39 assertEquals(5, f6({a: 2, m() { return 3 }})); | |
| 40 | |
| 41 var g1 = (x = 1) => { return x }; | |
| 42 assertEquals(1, g1()); | |
| 43 assertEquals(1, g1(undefined)); | |
| 44 assertEquals(2, g1(2)); | |
| 45 assertEquals(null, g1(null)); | |
| 46 | |
| 47 var g2 = (x, y = x) => { return x + y; }; | |
| 48 assertEquals(8, g2(4)); | |
| 49 assertEquals(8, g2(4, undefined)); | |
| 50 assertEquals(6, g2(4, 2)); | |
| 51 | |
| 52 var g3 = (x = 1, y) => { return x + y; }; | |
| 53 assertEquals(8, g3(5, 3)); | |
| 54 assertEquals(3, g3(undefined, 2)); | |
| 55 assertEquals(6, g3(4, 2)); | |
| 56 | |
| 57 var g4 = (x = () => 1) => { return x() }; | |
| 58 assertEquals(1, g4()); | |
| 59 assertEquals(1, g4(undefined)); | |
| 60 assertEquals(2, g4(() => 2)); | |
| 61 assertThrows(() => g4(null), TypeError); | |
| 62 | |
| 63 var g5 = (x, y = () => x) => { return x + y(); }; | |
| 64 assertEquals(8, g5(4)); | |
| 65 assertEquals(8, g5(4, undefined)); | |
| 66 assertEquals(6, g5(4, () => 2)); | |
| 67 | |
| 68 var g6 = (x = {a: 1, m() { return 2 }}) => { return x.a + x.m(); }; | |
| 69 assertEquals(3, g6()); | |
| 70 assertEquals(3, g6(undefined)); | |
| 71 assertEquals(5, g6({a: 2, m() { return 3 }})); | |
| 72 }()); | |
| 73 | |
| 74 | |
| 75 (function TestEvalInParameters() { | |
| 76 function f1(x = eval(0)) { return x } | |
| 77 assertEquals(0, f1()); | |
| 78 function f2(x = () => eval(1)) { return x() } | |
| 79 assertEquals(1, f2()); | |
| 80 })(); | |
| 81 | |
| 82 | |
| 83 (function TestParameterScopingSloppy() { | |
| 84 var x = 1; | |
| 85 | |
| 86 function f1(a = x) { var x = 2; return a; } | |
| 87 assertEquals(1, f1()); | |
| 88 function f2(a = x) { function x() {}; return a; } | |
| 89 assertEquals(1, f2()); | |
| 90 function f3(a = eval("x")) { var x; return a; } | |
| 91 assertEquals(1, f3()); | |
| 92 function f31(a = eval("'use strict'; x")) { var x; return a; } | |
| 93 assertEquals(1, f31()); | |
| 94 function f4(a = function() { return x }) { var x; return a(); } | |
| 95 assertEquals(1, f4()); | |
| 96 function f5(a = () => x) { var x; return a(); } | |
| 97 assertEquals(1, f5()); | |
| 98 function f6(a = () => eval("x")) { var x; return a(); } | |
| 99 assertEquals(1, f6()); | |
| 100 function f61(a = () => { 'use strict'; return eval("x") }) { var x; return a()
; } | |
| 101 assertEquals(1, f61()); | |
| 102 function f62(a = () => eval("'use strict'; x")) { var x; return a(); } | |
| 103 assertEquals(1, f62()); | |
| 104 | |
| 105 var g1 = (a = x) => { var x = 2; return a; }; | |
| 106 assertEquals(1, g1()); | |
| 107 var g2 = (a = x) => { function x() {}; return a; }; | |
| 108 assertEquals(1, g2()); | |
| 109 var g3 = (a = eval("x")) => { var x; return a; }; | |
| 110 assertEquals(1, g3()); | |
| 111 var g31 = (a = eval("'use strict'; x")) => { var x; return a; }; | |
| 112 assertEquals(1, g31()); | |
| 113 var g4 = (a = function() { return x }) => { var x; return a(); }; | |
| 114 assertEquals(1, g4()); | |
| 115 var g5 = (a = () => x) => { var x; return a(); }; | |
| 116 assertEquals(1, g5()); | |
| 117 var g6 = (a = () => eval("x")) => { var x; return a(); }; | |
| 118 assertEquals(1, g6()); | |
| 119 var g61 = (a = () => { 'use strict'; return eval("x") }) => { var x; return a(
); }; | |
| 120 assertEquals(1, g61()); | |
| 121 var g62 = (a = () => eval("'use strict'; x")) => { var x; return a(); }; | |
| 122 assertEquals(1, g62()); | |
| 123 | |
| 124 var f11 = function f(x = f) { var f; return x; } | |
| 125 assertSame(f11, f11()); | |
| 126 var f12 = function f(x = f) { function f() {}; return x; } | |
| 127 assertSame(f12, f12()); | |
| 128 var f13 = function f(f = 7, x = f) { return x; } | |
| 129 assertSame(7, f13()); | |
| 130 | |
| 131 var o1 = {f: function(x = this) { return x; }}; | |
| 132 assertSame(o1, o1.f()); | |
| 133 assertSame(1, o1.f(1)); | |
| 134 })(); | |
| 135 | |
| 136 (function TestParameterScopingStrict() { | |
| 137 "use strict"; | |
| 138 var x = 1; | |
| 139 | |
| 140 function f1(a = x) { let x = 2; return a; } | |
| 141 assertEquals(1, f1()); | |
| 142 function f2(a = x) { const x = 2; return a; } | |
| 143 assertEquals(1, f2()); | |
| 144 function f3(a = x) { function x() {}; return a; } | |
| 145 assertEquals(1, f3()); | |
| 146 function f4(a = eval("x")) { var x; return a; } | |
| 147 assertEquals(1, f4()); | |
| 148 function f5(a = () => eval("x")) { var x; return a(); } | |
| 149 assertEquals(1, f5()); | |
| 150 | |
| 151 var g1 = (a = x) => { let x = 2; return a; }; | |
| 152 assertEquals(1, g1()); | |
| 153 var g2 = (a = x) => { const x = 2; return a; }; | |
| 154 assertEquals(1, g2()); | |
| 155 var g3 = (a = x) => { function x() {}; return a; }; | |
| 156 assertEquals(1, g3()); | |
| 157 var g4 = (a = eval("x")) => { var x; return a; }; | |
| 158 assertEquals(1, g4()); | |
| 159 var g5 = (a = () => eval("x")) => { var x; return a(); }; | |
| 160 assertEquals(1, g5()); | |
| 161 | |
| 162 var f11 = function f(x = f) { let f; return x; } | |
| 163 assertSame(f11, f11()); | |
| 164 var f12 = function f(x = f) { const f = 0; return x; } | |
| 165 assertSame(f12, f12()); | |
| 166 var f13 = function f(x = f) { function f() {}; return x; } | |
| 167 assertSame(f13, f13()); | |
| 168 })(); | |
| 169 | |
| 170 (function TestSloppyEvalScoping() { | |
| 171 var x = 1; | |
| 172 | |
| 173 function f1(y = eval("var x = 2")) { with ({}) { return x; } } | |
| 174 assertEquals(1, f1()); | |
| 175 function f2(y = eval("var x = 2"), z = x) { return z; } | |
| 176 assertEquals(1, f2()); | |
| 177 assertEquals(1, f2(0)); | |
| 178 function f3(y = eval("var x = 2"), z = eval("x")) { return z; } | |
| 179 assertEquals(1, f3()); | |
| 180 assertEquals(1, f3(0)); | |
| 181 function f8(y = (eval("var x = 2"), x)) { return y; } | |
| 182 assertEquals(2, f8()); | |
| 183 assertEquals(0, f8(0)); | |
| 184 | |
| 185 function f11(z = eval("var y = 2")) { return y; } | |
| 186 assertThrows(f11, ReferenceError); | |
| 187 function f12(z = eval("var y = 2"), b = y) {} | |
| 188 assertThrows(f12, ReferenceError); | |
| 189 function f13(z = eval("var y = 2"), b = eval("y")) {} | |
| 190 assertThrows(f13, ReferenceError); | |
| 191 | |
| 192 function f21(f = () => x) { eval("var x = 2"); return f() } | |
| 193 assertEquals(1, f21()); | |
| 194 assertEquals(3, f21(() => 3)); | |
| 195 function f22(f = () => eval("x")) { eval("var x = 2"); return f() } | |
| 196 assertEquals(1, f22()); | |
| 197 assertEquals(3, f22(() => 3)); | |
| 198 | |
| 199 var g1 = (y = eval("var x = 2")) => { with ({}) { return x; } }; | |
| 200 assertEquals(1, g1()); | |
| 201 var g2 = (y = eval("var x = 2"), z = x) => { return z; }; | |
| 202 assertEquals(1, g2()); | |
| 203 assertEquals(1, g2(0)); | |
| 204 var g3 = (y = eval("var x = 2"), z = eval("x")) => { return z; }; | |
| 205 assertEquals(1, g3()); | |
| 206 assertEquals(1, g3(0)); | |
| 207 var g8 = (y = (eval("var x = 2"), x)) => { return y; }; | |
| 208 assertEquals(2, g8()); | |
| 209 assertEquals(0, g8(0)); | |
| 210 | |
| 211 var g11 = (z = eval("var y = 2")) => { return y; }; | |
| 212 assertThrows(g11, ReferenceError); | |
| 213 var g12 = (z = eval("var y = 2"), b = y) => {}; | |
| 214 assertThrows(g12, ReferenceError); | |
| 215 var g13 = (z = eval("var y = 2"), b = eval("y")) => {}; | |
| 216 assertThrows(g13, ReferenceError); | |
| 217 | |
| 218 var g21 = (f = () => x) => { eval("var x = 2"); return f() }; | |
| 219 assertEquals(1, g21()); | |
| 220 assertEquals(3, g21(() => 3)); | |
| 221 var g22 = (f = () => eval("x")) => { eval("var x = 2"); return f() }; | |
| 222 assertEquals(1, g22()); | |
| 223 assertEquals(3, g22(() => 3)); | |
| 224 })(); | |
| 225 | |
| 226 | |
| 227 (function TestStrictEvalScoping() { | |
| 228 'use strict'; | |
| 229 var x = 1; | |
| 230 | |
| 231 function f1(y = eval("var x = 2")) { return x; } | |
| 232 assertEquals(1, f1()); | |
| 233 function f2(y = eval("var x = 2"), z = x) { return z; } | |
| 234 assertEquals(1, f2()); | |
| 235 assertEquals(1, f2(0)); | |
| 236 function f3(y = eval("var x = 2"), z = eval("x")) { return z; } | |
| 237 assertEquals(1, f3()); | |
| 238 assertEquals(1, f3(0)); | |
| 239 function f8(y = (eval("var x = 2"), x)) { return y; } | |
| 240 assertEquals(1, f8()); | |
| 241 assertEquals(0, f8(0)); | |
| 242 | |
| 243 function f11(z = eval("var y = 2")) { return y; } | |
| 244 assertThrows(f11, ReferenceError); | |
| 245 function f12(z = eval("var y = 2"), b = y) {} | |
| 246 assertThrows(f12, ReferenceError); | |
| 247 function f13(z = eval("var y = 2"), b = eval("y")) {} | |
| 248 assertThrows(f13, ReferenceError); | |
| 249 | |
| 250 function f21(f = () => x) { eval("var x = 2"); return f() } | |
| 251 assertEquals(1, f21()); | |
| 252 assertEquals(3, f21(() => 3)); | |
| 253 function f22(f = () => eval("x")) { eval("var x = 2"); return f() } | |
| 254 assertEquals(1, f22()); | |
| 255 assertEquals(3, f22(() => 3)); | |
| 256 })(); | |
| 257 | |
| 258 (function TestParameterTDZSloppy() { | |
| 259 function f1(a = x, x) { return a } | |
| 260 assertThrows(() => f1(undefined, 4), ReferenceError); | |
| 261 assertEquals(4, f1(4, 5)); | |
| 262 function f2(a = eval("x"), x) { return a } | |
| 263 assertThrows(() => f2(undefined, 4), ReferenceError); | |
| 264 assertEquals(4, f2(4, 5)); | |
| 265 function f3(a = eval("'use strict'; x"), x) { return a } | |
| 266 assertThrows(() => f3(undefined, 4), ReferenceError); | |
| 267 assertEquals(4, f3(4, 5)); | |
| 268 function f4(a = () => x, x) { return a() } | |
| 269 assertEquals(4, f4(() => 4, 5)); | |
| 270 function f5(a = () => eval("x"), x) { return a() } | |
| 271 assertEquals(4, f5(() => 4, 5)); | |
| 272 function f6(a = () => eval("'use strict'; x"), x) { return a() } | |
| 273 assertEquals(4, f6(() => 4, 5)); | |
| 274 | |
| 275 function f11(a = x, x = 2) { return a } | |
| 276 assertThrows(() => f11(), ReferenceError); | |
| 277 assertThrows(() => f11(undefined), ReferenceError); | |
| 278 assertThrows(() => f11(undefined, 4), ReferenceError); | |
| 279 assertEquals(4, f1(4, 5)); | |
| 280 function f12(a = eval("x"), x = 2) { return a } | |
| 281 assertThrows(() => f12(), ReferenceError); | |
| 282 assertThrows(() => f12(undefined), ReferenceError); | |
| 283 assertThrows(() => f12(undefined, 4), ReferenceError); | |
| 284 assertEquals(4, f12(4, 5)); | |
| 285 function f13(a = eval("'use strict'; x"), x = 2) { return a } | |
| 286 assertThrows(() => f13(), ReferenceError); | |
| 287 assertThrows(() => f13(undefined), ReferenceError); | |
| 288 assertThrows(() => f13(undefined, 4), ReferenceError); | |
| 289 assertEquals(4, f13(4, 5)); | |
| 290 | |
| 291 function f21(x = function() { return a }, ...a) { return x()[0] } | |
| 292 assertEquals(4, f21(undefined, 4)); | |
| 293 function f22(x = () => a, ...a) { return x()[0] } | |
| 294 assertEquals(4, f22(undefined, 4)); | |
| 295 function f23(x = () => eval("a"), ...a) { return x()[0] } | |
| 296 assertEquals(4, f23(undefined, 4)); | |
| 297 function f24(x = () => {'use strict'; return eval("a") }, ...a) { | |
| 298 return x()[0] | |
| 299 } | |
| 300 assertEquals(4, f24(undefined, 4)); | |
| 301 function f25(x = () => eval("'use strict'; a"), ...a) { return x()[0] } | |
| 302 assertEquals(4, f25(undefined, 4)); | |
| 303 | |
| 304 var g1 = (x = function() { return a }, ...a) => { return x()[0] }; | |
| 305 assertEquals(4, g1(undefined, 4)); | |
| 306 var g2 = (x = () => a, ...a) => { return x()[0] }; | |
| 307 assertEquals(4, g2(undefined, 4)); | |
| 308 })(); | |
| 309 | |
| 310 (function TestParameterTDZStrict() { | |
| 311 "use strict"; | |
| 312 | |
| 313 function f1(a = eval("x"), x) { return a } | |
| 314 assertThrows(() => f1(undefined, 4), ReferenceError); | |
| 315 assertEquals(4, f1(4, 5)); | |
| 316 function f2(a = () => eval("x"), x) { return a() } | |
| 317 assertEquals(4, f2(() => 4, 5)); | |
| 318 | |
| 319 function f11(a = eval("x"), x = 2) { return a } | |
| 320 assertThrows(() => f11(), ReferenceError); | |
| 321 assertThrows(() => f11(undefined), ReferenceError); | |
| 322 assertThrows(() => f11(undefined, 4), ReferenceError); | |
| 323 assertEquals(4, f11(4, 5)); | |
| 324 | |
| 325 function f21(x = () => eval("a"), ...a) { return x()[0] } | |
| 326 assertEquals(4, f21(undefined, 4)); | |
| 327 })(); | |
| 328 | |
| 329 (function TestArgumentsForNonSimpleParameters() { | |
| 330 function f1(x = 900) { arguments[0] = 1; return x } | |
| 331 assertEquals(9, f1(9)); | |
| 332 assertEquals(900, f1()); | |
| 333 function f2(x = 1001) { x = 2; return arguments[0] } | |
| 334 assertEquals(10, f2(10)); | |
| 335 assertEquals(undefined, f2()); | |
| 336 }()); | |
| 337 | |
| 338 | |
| 339 (function TestFunctionLength() { | |
| 340 assertEquals(0, (function(x = 1) {}).length); | |
| 341 assertEquals(0, (function(x = 1, ...a) {}).length); | |
| 342 assertEquals(1, (function(x, y = 1) {}).length); | |
| 343 assertEquals(1, (function(x, y = 1, ...a) {}).length); | |
| 344 assertEquals(2, (function(x, y, z = 1) {}).length); | |
| 345 assertEquals(2, (function(x, y, z = 1, ...a) {}).length); | |
| 346 assertEquals(1, (function(x, y = 1, z) {}).length); | |
| 347 assertEquals(1, (function(x, y = 1, z, ...a) {}).length); | |
| 348 assertEquals(1, (function(x, y = 1, z, v = 2) {}).length); | |
| 349 assertEquals(1, (function(x, y = 1, z, v = 2, ...a) {}).length); | |
| 350 })(); | |
| 351 | |
| 352 (function TestDirectiveThrows() { | |
| 353 "use strict"; | |
| 354 | |
| 355 assertThrows(function(){ eval("function(x=1){'use strict';}") }, SyntaxError); | |
| 356 assertThrows(function(){ eval("(x=1) => {'use strict';}") }, SyntaxError); | |
| 357 assertThrows( | |
| 358 function(){ eval("(class{foo(x=1) {'use strict';}});") }, SyntaxError); | |
| 359 | |
| 360 assertThrows( | |
| 361 function(){ eval("function(a, x=1){'use strict';}") }, SyntaxError); | |
| 362 assertThrows(function(){ eval("(a, x=1) => {'use strict';}") }, SyntaxError); | |
| 363 assertThrows( | |
| 364 function(){ eval("(class{foo(a, x=1) {'use strict';}});") }, SyntaxError); | |
| 365 })(); | |
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Chromium Code Reviews
Issue 1812313002:
Several mjsunit cleanups (Closed)
Base URL: https://chromium.googlesource.com/v8/v8.git@master