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63 lines
1.3 KiB
JavaScript
63 lines
1.3 KiB
JavaScript
load("test-common.js");
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try {
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var a = [1, 2, 3];
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assert(typeof a === "object");
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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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a[1] = 5;
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assert(a[1] === 5);
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assert(a.length === 3);
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a.push(7);
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assert(a[3] === 7);
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assert(a.length === 4);
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a = [,];
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assert(a.length === 1);
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assert(a.toString() === "");
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assert(a[0] === undefined);
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a = [, , , ,];
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assert(a.length === 4);
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assert(a.toString() === ",,,");
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assert(a[0] === undefined);
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assert(a[1] === undefined);
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assert(a[2] === undefined);
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assert(a[3] === undefined);
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a = [1, , 2, , , 3];
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assert(a.length === 6);
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assert(a.toString() === "1,,2,,,3");
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assert(a[0] === 1);
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assert(a[1] === undefined);
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assert(a[2] === 2);
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assert(a[3] === undefined);
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assert(a[4] === undefined);
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assert(a[5] === 3);
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a = [1, , 2, , , 3];
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Object.defineProperty(a, 1, {
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get() {
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return this.secret_prop;
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},
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set(value) {
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this.secret_prop = value;
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},
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});
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assert(a.length === 6);
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assert(a.toString() === "1,,2,,,3");
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assert(a.secret_prop === undefined);
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a[1] = 20;
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assert(a.length === 6);
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assert(a.toString() === "1,20,2,,,3");
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assert(a.secret_prop === 20);
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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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