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comparison: js/src/tests/ecma_6/Generators/objects.js
js/src/tests/ecma_6/Generators/objects.js
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| 1 // This file was written by Andy Wingo <wingo@igalia.com> and originally | |
| 2 // contributed to V8 as generators-objects.js, available here: | |
| 3 // | |
| 4 // http://code.google.com/p/v8/source/browse/branches/bleeding_edge/test/mjsunit/harmony/generators-objects.js | |
| 5 | |
| 6 // Test aspects of the generator runtime. | |
| 7 | |
| 8 // Test the properties and prototype of a generator object. | |
| 9 function TestGeneratorObject() { | |
| 10 function* g() { yield 1; } | |
| 11 | |
| 12 var iter = g(); | |
| 13 assertEq(Object.getPrototypeOf(iter), g.prototype); | |
| 14 assertTrue(iter instanceof g); | |
| 15 assertEq(String(iter), "[object Generator]"); | |
| 16 assertDeepEq(Object.getOwnPropertyNames(iter), []); | |
| 17 assertNotEq(g(), iter); | |
| 18 | |
| 19 // g() is the same as new g(). | |
| 20 iter = new g(); | |
| 21 assertEq(Object.getPrototypeOf(iter), g.prototype); | |
| 22 assertTrue(iter instanceof g); | |
| 23 assertEq(String(iter), "[object Generator]"); | |
| 24 assertDeepEq(Object.getOwnPropertyNames(iter), []); | |
| 25 assertNotEq(new g(), iter); | |
| 26 } | |
| 27 TestGeneratorObject(); | |
| 28 | |
| 29 | |
| 30 // Test the methods of generator objects. | |
| 31 function TestGeneratorObjectMethods() { | |
| 32 function* g() { yield 1; } | |
| 33 var iter = g(); | |
| 34 | |
| 35 function TestNonGenerator(non_generator) { | |
| 36 assertThrowsInstanceOf(function() { iter.next.call(non_generator); }, TypeError); | |
| 37 assertThrowsInstanceOf(function() { iter.next.call(non_generator, 1); }, TypeError); | |
| 38 assertThrowsInstanceOf(function() { iter.throw.call(non_generator, 1); }, TypeError); | |
| 39 assertThrowsInstanceOf(function() { iter.close.call(non_generator); }, TypeError); | |
| 40 } | |
| 41 | |
| 42 TestNonGenerator(1); | |
| 43 TestNonGenerator({}); | |
| 44 TestNonGenerator(function(){}); | |
| 45 TestNonGenerator(g); | |
| 46 TestNonGenerator(g.prototype); | |
| 47 } | |
| 48 TestGeneratorObjectMethods(); | |
| 49 | |
| 50 | |
| 51 if (typeof reportCompare == "function") | |
| 52 reportCompare(true, true); |
