59 lines
1.8 KiB
JavaScript
59 lines
1.8 KiB
JavaScript
load("test-common.js");
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try {
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assert(Reflect.defineProperty.length === 3);
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[null, undefined, "foo", 123, NaN, Infinity].forEach(value => {
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assertThrowsError(() => {
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Reflect.defineProperty(value);
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}, {
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error: TypeError,
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message: "First argument of Reflect.defineProperty() must be an object"
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});
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assertThrowsError(() => {
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Reflect.defineProperty({}, "foo", value);
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}, {
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error: TypeError,
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message: "Descriptor argument is not an object"
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});
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});
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var o = {};
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assert(Reflect.defineProperty(o, "foo", { value: 1, writable: false, enumerable: false }) === true);
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assert(o.foo === 1);
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o.foo = 2;
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assert(o.foo === 1);
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assert(Reflect.defineProperty(o, "bar", { value: "hi", writable: true, enumerable: true }) === true);
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assert(o.bar === "hi");
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o.bar = "ho";
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assert(o.bar === "ho");
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assert(Reflect.defineProperty(o, "bar", { value: "xx", enumerable: false }) === false);
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var d = Reflect.getOwnPropertyDescriptor(o, "foo");
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assert(d.configurable === false);
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assert(d.enumerable === false);
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assert(d.writable === false);
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assert(d.value === 1);
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d = Reflect.getOwnPropertyDescriptor(o, "bar");
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assert(d.configurable === false);
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assert(d.enumerable === true);
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assert(d.writable === true);
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assert(d.value === "ho");
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assert(Reflect.defineProperty(o, "baz", { value: 9, configurable: true, writable: false }) === true);
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assert(Reflect.defineProperty(o, "baz", { configurable: true, writable: true }) === true);
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d = Reflect.getOwnPropertyDescriptor(o, "baz");
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assert(d.configurable === true);
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assert(d.writable === true);
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assert(d.value === 9);
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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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