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1 /* |
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2 * Any copyright is dedicated to the Public Domain. |
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3 * http://creativecommons.org/licenses/publicdomain/ |
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4 */ |
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5 |
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6 /* |
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7 * Bug 648355: Function.prototype.isGenerator |
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8 */ |
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9 |
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10 reportCompare(true, "isGenerator" in Function.prototype, "Function.prototype.isGenerator present"); |
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11 |
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12 reportCompare(false, (function(){}).isGenerator(), "lambda is not a generator fn"); |
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13 reportCompare(false, Function.prototype.toString.isGenerator(), "native is not a generator fn"); |
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14 reportCompare(false, (function(){with(obj){}}).isGenerator(), "heavyweight is not a generator fn"); |
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15 reportCompare(false, (function(){obj}).isGenerator(), "upvar function is not a generator fn"); |
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16 |
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17 reportCompare(true, (function(){yield}).isGenerator(), "simple generator fn"); |
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18 reportCompare(true, (function(){with(obj){yield}}).isGenerator(), "heavyweight generator fn"); |
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19 reportCompare(true, (function(){yield; obj}).isGenerator(), "upvar generator fn"); |
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20 |
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21 reportCompare(false, Function.prototype.isGenerator.call(42), "number is not a generator fn"); |
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22 reportCompare(false, Function.prototype.isGenerator.call({}), "vanilla object is not a generator fn"); |
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23 reportCompare(false, Function.prototype.isGenerator.call(new Date()), "date object is not a generator fn"); |