The Tor Browser / file comparison
comparison: js/src/tests/js1_8/genexps/regress-634472.js
js/src/tests/js1_8/genexps/regress-634472.js
- changeset 0
- 6474c204b198
equal
deleted
inserted
replaced
| -1:000000000000 | 0:d7aa144b56c6 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 | |
| 7 //----------------------------------------------------------------------------- | |
| 8 var BUGNUMBER = 634472; | |
| 9 var summary = 'contextual restrictions for yield and arguments'; | |
| 10 var actual = ''; | |
| 11 var expect = ''; | |
| 12 | |
| 13 | |
| 14 function error(str) { | |
| 15 let base; | |
| 16 try { | |
| 17 // the following line must not be broken up into multiple lines | |
| 18 base = (function(){try{eval('throw new Error()')}catch(e){return e.lineNumber}})(); eval(str); | |
| 19 return null; | |
| 20 } catch (e) { | |
| 21 e.lineNumber = e.lineNumber - base + 1; | |
| 22 return e; | |
| 23 } | |
| 24 } | |
| 25 | |
| 26 const JSMSG_GENEXP_YIELD = error("(function(){((yield) for (x in []))})").message; | |
| 27 const JSMSG_TOP_YIELD = error("yield").message; | |
| 28 const JSMSG_YIELD_PAREN = error("(function(){yield, 1})").message; | |
| 29 const JSMSG_YIELD_FOR = error("(function(){yield for})").message; | |
| 30 const JSMSG_BAD_GENERATOR_SYNTAX = error("(1, x for (x in []))").message; | |
| 31 | |
| 32 const cases = [ | |
| 33 // yield expressions | |
| 34 { expr: "yield", top: JSMSG_TOP_YIELD, fun: null, gen: JSMSG_GENEXP_YIELD, desc: "simple yield" }, | |
| 35 { expr: "yield 1", top: JSMSG_TOP_YIELD, fun: null, gen: JSMSG_GENEXP_YIELD, desc: "yield w/ arg" }, | |
| 36 { expr: "1, yield", top: JSMSG_TOP_YIELD, fun: null, gen: JSMSG_GENEXP_YIELD, desc: "simple yield at end of list" }, | |
| 37 { expr: "1, yield 2", top: JSMSG_TOP_YIELD, fun: null, gen: JSMSG_GENEXP_YIELD, desc: "yield w/ arg at end of list" }, | |
| 38 { expr: "yield, 1", top: JSMSG_TOP_YIELD, fun: JSMSG_YIELD_PAREN, gen: JSMSG_YIELD_PAREN, desc: "simple yield in list" }, | |
| 39 { expr: "yield 1, 2", top: JSMSG_TOP_YIELD, fun: JSMSG_YIELD_PAREN, gen: JSMSG_YIELD_PAREN, desc: "yield w/ arg in list" }, | |
| 40 { expr: "(yield)", top: JSMSG_TOP_YIELD, fun: null, gen: JSMSG_GENEXP_YIELD, desc: "simple yield, parenthesized" }, | |
| 41 { expr: "(yield 1)", top: JSMSG_TOP_YIELD, fun: null, gen: JSMSG_GENEXP_YIELD, desc: "yield w/ arg, parenthesized" }, | |
| 42 { expr: "(1, yield)", top: JSMSG_TOP_YIELD, fun: null, gen: JSMSG_GENEXP_YIELD, desc: "simple yield at end of list, parenthesized" }, | |
| 43 { expr: "(1, yield 2)", top: JSMSG_TOP_YIELD, fun: null, gen: JSMSG_GENEXP_YIELD, desc: "yield w/ arg at end of list, parenthesized" }, | |
| 44 { expr: "(yield, 1)", top: JSMSG_TOP_YIELD, fun: JSMSG_YIELD_PAREN, gen: JSMSG_YIELD_PAREN, desc: "simple yield in list, parenthesized" }, | |
| 45 { expr: "(yield 1, 2)", top: JSMSG_TOP_YIELD, fun: JSMSG_YIELD_PAREN, gen: JSMSG_YIELD_PAREN, desc: "yield w/ arg in list, parenthesized" }, | |
| 46 | |
| 47 // deeply nested yield expressions | |
| 48 { expr: "((((yield))))", top: JSMSG_TOP_YIELD, fun: null, gen: JSMSG_GENEXP_YIELD, desc: "deeply nested yield" }, | |
| 49 { expr: "((((yield 1))))", top: JSMSG_TOP_YIELD, fun: null, gen: JSMSG_GENEXP_YIELD, desc: "deeply nested yield w/ arg" }, | |
| 50 | |
| 51 // arguments | |
| 52 { expr: "arguments", top: null, fun: null, gen: null, desc: "arguments in list" }, | |
| 53 { expr: "1, arguments", top: null, fun: null, gen: null, desc: "arguments in list" }, | |
| 54 | |
| 55 // yield in generator expressions | |
| 56 { expr: "(yield for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_YIELD_FOR, gen: JSMSG_YIELD_FOR, desc: "simple yield in genexp" }, | |
| 57 { expr: "(yield 1 for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_GENEXP_YIELD, gen: JSMSG_GENEXP_YIELD, desc: "yield w/ arg in genexp" }, | |
| 58 { expr: "(yield, 1 for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_YIELD_PAREN, gen: JSMSG_YIELD_PAREN, desc: "simple yield in list in genexp" }, | |
| 59 { expr: "(yield 1, 2 for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_YIELD_PAREN, gen: JSMSG_YIELD_PAREN, desc: "yield w/ arg in list in genexp" }, | |
| 60 { expr: "(1, yield for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_YIELD_FOR, gen: JSMSG_YIELD_FOR, desc: "simple yield at end of list in genexp" }, | |
| 61 { expr: "(1, yield 2 for (x in []))", top: JSMSG_TOP_YIELD, fun: { simple: JSMSG_GENEXP_YIELD, call: JSMSG_GENEXP_YIELD }, | |
| 62 gen: JSMSG_GENEXP_YIELD, desc: "yield w/ arg at end of list in genexp" }, | |
| 63 { expr: "((yield) for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_GENEXP_YIELD, gen: JSMSG_GENEXP_YIELD, desc: "simple yield, parenthesized in genexp" }, | |
| 64 { expr: "((yield 1) for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_GENEXP_YIELD, gen: JSMSG_GENEXP_YIELD, desc: "yield w/ arg, parenthesized in genexp" }, | |
| 65 { expr: "(1, (yield) for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_GENEXP_YIELD, gen: JSMSG_GENEXP_YIELD, desc: "simple yield, parenthesized in list in genexp" }, | |
| 66 { expr: "(1, (yield 2) for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_GENEXP_YIELD, gen: JSMSG_GENEXP_YIELD, desc: "yield w/ arg, parenthesized in list in genexp" }, | |
| 67 { expr: "((1, yield) for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_GENEXP_YIELD, gen: JSMSG_GENEXP_YIELD, desc: "simple yield at end of list, parenthesized in genexp" }, | |
| 68 { expr: "((1, yield 2) for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_GENEXP_YIELD, gen: JSMSG_GENEXP_YIELD, desc: "yield w/ arg at end of list, parenthesized in genexp" }, | |
| 69 { expr: "(1, (2, yield) for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_GENEXP_YIELD, gen: JSMSG_GENEXP_YIELD, desc: "simple yield at end of list, parenthesized in list in genexp" }, | |
| 70 { expr: "(1, (2, yield 3) for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_GENEXP_YIELD, gen: JSMSG_GENEXP_YIELD, desc: "yield w/ arg at end of list, parenthesized in list in genexp" }, | |
| 71 { expr: "((yield, 1) for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_YIELD_PAREN, gen: JSMSG_YIELD_PAREN, desc: "simple yield in list, parenthesized in genexp" }, | |
| 72 { expr: "((yield 1, 2) for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_YIELD_PAREN, gen: JSMSG_YIELD_PAREN, desc: "yield w/ arg in list, parenthesized in genexp" }, | |
| 73 { expr: "(1, (yield, 2) for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_YIELD_PAREN, gen: JSMSG_YIELD_PAREN, desc: "simple yield in list, parenthesized in list in genexp" }, | |
| 74 { expr: "(1, (yield 2, 3) for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_YIELD_PAREN, gen: JSMSG_YIELD_PAREN, desc: "yield w/ arg in list, parenthesized in list in genexp" }, | |
| 75 | |
| 76 // deeply nested yield in generator expressions | |
| 77 { expr: "((((1, yield 2))) for (x in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_GENEXP_YIELD, gen: JSMSG_GENEXP_YIELD, desc: "deeply nested yield in genexp" }, | |
| 78 { expr: "((((1, yield 2)) for (x in [])) for (y in []))", top: JSMSG_TOP_YIELD, fun: JSMSG_GENEXP_YIELD, gen: JSMSG_GENEXP_YIELD, desc: "deeply nested yield in multiple genexps" }, | |
| 79 | |
| 80 // arguments in generator expressions | |
| 81 { expr: "(arguments for (x in []))", top: null, fun: null, gen: null, desc: "simple arguments in genexp" }, | |
| 82 { expr: "(1, arguments for (x in []))", top: JSMSG_BAD_GENERATOR_SYNTAX, fun: JSMSG_BAD_GENERATOR_SYNTAX, gen: JSMSG_BAD_GENERATOR_SYNTAX, desc: "arguments in list in genexp" }, | |
| 83 { expr: "((arguments) for (x in []))", top: null, fun: null, gen: null, desc: "arguments, parenthesized in genexp" }, | |
| 84 { expr: "(1, (arguments) for (x in []))", top: JSMSG_BAD_GENERATOR_SYNTAX, fun: JSMSG_BAD_GENERATOR_SYNTAX, gen: JSMSG_BAD_GENERATOR_SYNTAX, desc: "arguments, parenthesized in list in genexp" }, | |
| 85 { expr: "((1, arguments) for (x in []))", top: null, fun: null, gen: null, desc: "arguments in list, parenthesized in genexp" }, | |
| 86 { expr: "(1, (2, arguments) for (x in []))", top: JSMSG_BAD_GENERATOR_SYNTAX, fun: JSMSG_BAD_GENERATOR_SYNTAX, gen: JSMSG_BAD_GENERATOR_SYNTAX, desc: "arguments in list, parenthesized in list in genexp" }, | |
| 87 | |
| 88 // deeply nested arguments in generator expressions | |
| 89 { expr: "((((1, arguments))) for (x in []))", top: null, fun: null, gen: null, desc: "deeply nested arguments in genexp" }, | |
| 90 { expr: "((((1, arguments)) for (x in [])) for (y in []))", top: null, fun: null, gen: null, desc: "deeply nested arguments in multiple genexps" }, | |
| 91 | |
| 92 // legal yield/arguments in nested function | |
| 93 { expr: "((function() { yield }) for (x in []))", top: null, fun: null, gen: null, desc: "legal yield in nested function" }, | |
| 94 { expr: "((function() { arguments }) for (x in []))", top: null, fun: null, gen: null, desc: "legal arguments in nested function" }, | |
| 95 { expr: "((function() arguments) for (x in []))", top: null, fun: null, gen: null, desc: "legal arguments in nested expression-closure" } | |
| 96 ]; | |
| 97 | |
| 98 //----------------------------------------------------------------------------- | |
| 99 test(); | |
| 100 //----------------------------------------------------------------------------- | |
| 101 | |
| 102 function splitKeyword(str) { | |
| 103 return str. | |
| 104 replace(/yield for/, '\nyield for\n'). | |
| 105 replace(/yield ([0-9])/, '\nyield $1\n'). | |
| 106 replace(/yield([^ ]|$)/, '\nyield\n$1'). | |
| 107 replace(/arguments/, '\narguments\n'); | |
| 108 } | |
| 109 | |
| 110 function expectError1(err, ctx, msg) { | |
| 111 reportCompare('object', typeof err, 'exn for: ' + msg); | |
| 112 reportCompare(ctx, err.message, 'exn message for: ' + msg); | |
| 113 if (ctx !== JSMSG_BAD_GENERATOR_SYNTAX) | |
| 114 reportCompare(2, err.lineNumber, 'exn token for: ' + msg); | |
| 115 } | |
| 116 | |
| 117 function expectError(expr, call, wrapCtx, expect, msg) { | |
| 118 let exps = (typeof expect === "string") | |
| 119 ? { simple: expect, call: expect } | |
| 120 : expect; | |
| 121 expectError1(error(wrapCtx(expr)), exps.simple, msg); | |
| 122 if (call) | |
| 123 expectError1(error(wrapCtx(call)), exps.call, 'call argument in ' + msg); | |
| 124 } | |
| 125 | |
| 126 function expectSuccess(err, msg) { | |
| 127 reportCompare(null, err, 'parse: ' + msg); | |
| 128 } | |
| 129 | |
| 130 function atTop(str) { return str } | |
| 131 function inFun(str) { return '(function(){' + str + '})' } | |
| 132 function inGen(str) { return '(y for (y in ' + str + '))' } | |
| 133 | |
| 134 function test() | |
| 135 { | |
| 136 enterFunc ('test'); | |
| 137 printBugNumber(BUGNUMBER); | |
| 138 printStatus (summary); | |
| 139 | |
| 140 for (let i = 0, len = cases.length; i < len; i++) { | |
| 141 let {expr, top, fun, gen, desc} = cases[i]; | |
| 142 | |
| 143 let call = (expr[0] === "(") ? ("print" + expr) : null; | |
| 144 | |
| 145 expr = splitKeyword(expr); | |
| 146 if (call) | |
| 147 call = splitKeyword(call); | |
| 148 | |
| 149 if (top) | |
| 150 expectError(expr, call, atTop, top, 'top-level context, ' + desc); | |
| 151 else | |
| 152 expectSuccess(error(expr), 'top-level context, ' + desc); | |
| 153 | |
| 154 if (fun) | |
| 155 expectError(expr, call, inFun, fun, 'function context, ' + desc); | |
| 156 else | |
| 157 expectSuccess(error(inFun(expr)), 'function context, ' + desc); | |
| 158 | |
| 159 if (gen) | |
| 160 expectError(expr, call, inGen, gen, 'genexp context, ' + desc); | |
| 161 else | |
| 162 expectSuccess(error(inGen(expr)), 'genexp context, ' + desc); | |
| 163 } | |
| 164 | |
| 165 exitFunc ('test'); | |
| 166 } |
