23 lines
560 B
JavaScript
23 lines
560 B
JavaScript
function B() {}
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B.b = function() {
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return 'B.b';
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};
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class C extends B {}
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assert.equal(Object.getPrototypeOf(C), B);
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assert.equal(Object.getPrototypeOf(C.prototype), B.prototype);
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assert.equal(C.b(), 'B.b');
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class D extends Object {}
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assert.equal(Object.getPrototypeOf(D), Object);
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assert.equal(Object.getPrototypeOf(D.prototype), Object.prototype);
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assert.equal(D.keys, Object.keys);
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class E {}
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assert.equal(Object.getPrototypeOf(E), Function.prototype);
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assert.equal(Object.getPrototypeOf(E.prototype), Object.prototype);
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assert.isFalse('keys' in E); |