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comparison: js/src/jit-test/tests/generators/es6-syntax.js
js/src/jit-test/tests/generators/es6-syntax.js
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| -1:000000000000 | 0:096b906bd115 |
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| 1 // Test interactions between ES6 generators and not-yet-standard | |
| 2 // features. | |
| 3 | |
| 4 function assertSyntaxError(str) { | |
| 5 var msg; | |
| 6 var evil = eval; | |
| 7 try { | |
| 8 // Non-direct eval. | |
| 9 evil(str); | |
| 10 } catch (exc) { | |
| 11 if (exc instanceof SyntaxError) | |
| 12 return; | |
| 13 msg = "Assertion failed: expected SyntaxError, got " + exc; | |
| 14 } | |
| 15 if (msg === undefined) | |
| 16 msg = "Assertion failed: expected SyntaxError, but no exception thrown"; | |
| 17 throw new Error(msg + " - " + str); | |
| 18 } | |
| 19 | |
| 20 // Destructuring binding. | |
| 21 assertSyntaxError("function* f(x = yield) {}"); | |
| 22 assertSyntaxError("function* f(x = yield 17) {}"); | |
| 23 assertSyntaxError("function* f([yield]) {}"); | |
| 24 assertSyntaxError("function* f({ yield }) {}"); | |
| 25 assertSyntaxError("function* f(...yield) {}"); | |
| 26 | |
| 27 // For each. | |
| 28 assertSyntaxError("for yield"); | |
| 29 assertSyntaxError("for yield (;;) {}"); | |
| 30 assertSyntaxError("for yield (x of y) {}"); | |
| 31 assertSyntaxError("for yield (var i in o) {}"); | |
| 32 | |
| 33 // Expression bodies. | |
| 34 assertSyntaxError("function* f() yield 7"); |
