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comparison: js/src/jit-test/tests/arrow-functions/syntax-errors.js
js/src/jit-test/tests/arrow-functions/syntax-errors.js
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| -1:000000000000 | 0:631583d3138c |
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| 1 // Check that we correctly throw SyntaxErrors for various syntactic near-misses. | |
| 2 | |
| 3 load(libdir + "asserts.js"); | |
| 4 | |
| 5 var mistakes = [ | |
| 6 "((a)) => expr", | |
| 7 "a + b => a", | |
| 8 "'' + a => a", | |
| 9 "...x", | |
| 10 "[x] => x", | |
| 11 "([x] => x)", | |
| 12 "{p: p} => p", | |
| 13 "({p: p} => p)", | |
| 14 "{p} => p", | |
| 15 "(...x => expr)", | |
| 16 "1 || a => a", | |
| 17 "'use strict' => {}", | |
| 18 "package => {'use strict';}", // tricky: FutureReservedWord in strict mode code only | |
| 19 "'use strict'; arguments => 0", // names banned in strict mode code | |
| 20 "'use strict'; eval => 0", | |
| 21 "a => {'use strict'; with (a) return x; }", | |
| 22 "a => yield a", | |
| 23 "a => { yield a; }", | |
| 24 "a => { { let x; yield a; } }", | |
| 25 "(a = yield 0) => a", | |
| 26 "for (;;) a => { break; };", | |
| 27 "for (;;) a => { continue; };", | |
| 28 "...rest) =>", | |
| 29 "2 + ...rest) =>" | |
| 30 ]; | |
| 31 | |
| 32 for (var s of mistakes) | |
| 33 assertThrowsInstanceOf(function () { Function(s); }, SyntaxError); | |
| 34 | |
| 35 // Check that the tricky case is not an error in non-strict-mode code. | |
| 36 var f = package => 0; | |
| 37 assertEq(f(1), 0); | |
| 38 |
