47 lines
1.4 KiB
JavaScript
47 lines
1.4 KiB
JavaScript
load("test-common.js");
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try {
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assert(Reflect.deleteProperty.length === 2);
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[null, undefined, "foo", 123, NaN, Infinity].forEach(value => {
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assertThrowsError(() => {
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Reflect.deleteProperty(value);
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}, {
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error: TypeError,
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message: "First argument of Reflect.deleteProperty() must be an object"
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});
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});
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assert(Reflect.deleteProperty({}) === true);
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assert(Reflect.deleteProperty({}, "foo") === true);
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var o = { foo: 1 };
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assert(o.foo === 1);
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assert(Reflect.deleteProperty(o, "foo") === true);
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assert(o.foo === undefined);
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assert(Reflect.deleteProperty(o, "foo") === true);
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assert(o.foo === undefined);
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Object.defineProperty(o, "bar", { value: 2, configurable: true, writable: false });
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assert(Reflect.deleteProperty(o, "bar") === true);
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assert(o.bar === undefined);
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Object.defineProperty(o, "baz", { value: 3, configurable: false, writable: true });
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assert(Reflect.deleteProperty(o, "baz") === false);
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assert(o.baz === 3);
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var a = [1, 2, 3];
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assert(a.length === 3);
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assert(a[0] === 1);
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assert(a[1] === 2);
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assert(a[2] === 3);
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assert(Reflect.deleteProperty(a, 1) === true);
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assert(a.length === 3);
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assert(a[0] === 1);
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assert(a[1] === undefined);
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assert(a[2] === 3);
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console.log("PASS");
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} catch (e) {
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console.log("FAIL: " + e);
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}
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