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1 // Check superficial characteristics of functions and properties (not functionality). |
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2 |
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3 function checkFunction(obj, name, nargs) { |
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4 var desc = Object.getOwnPropertyDescriptor(obj, name); |
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5 assertEq(desc.configurable, true, name + " should be configurable"); |
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6 assertEq(desc.writable, true, name + " should be writable"); |
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7 assertEq(desc.enumerable, false, name + " should be non-enumerable"); |
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8 assertEq(desc.value, obj[name]); // well obviously |
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9 assertEq(typeof desc.value, 'function', name + " should be a function"); |
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10 assertEq(desc.value.length, nargs, name + " should have .length === " + nargs); |
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11 } |
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12 |
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13 checkFunction(this, "Debugger", 1); |
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14 |
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15 assertEq(Debugger.prototype.constructor, Debugger); |
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16 assertEq(Object.prototype.toString.call(Debugger.prototype), "[object Debugger]"); |
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17 assertEq(Object.getPrototypeOf(Debugger.prototype), Object.prototype); |