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LibJS Date: Added "Invalid Date".

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Setting an invalid value on a Date object now makes it invalid.
Setting it again but with correct values makes it valid again.
This commit is contained in:
Petróczi Zoltán 2021-03-16 15:02:16 +01:00 • committed by Andreas Kling
parent d231c5e65b
commit ca49f96b78
29 changed files with 490 additions and 89 deletions
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14
Userland/Libraries/LibJS/Tests/builtins/Date/Date.js
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@ -24,6 +24,13 @@ test("timestamp constructor", () => {
expect(date.getSeconds()).toBe(1);
expect(date.getFullYear()).toBe(1970);
expect(date.getMonth()).toBe(1); // Feb
date = new Date(NaN);
expect(date.getTime()).toBe(NaN);
date = new Date(undefined);
expect(date.getTime()).toBe(NaN);
date = new Date("");
expect(date.getTime()).toBe(NaN);
});
test("tuple constructor", () => {
@ -52,6 +59,11 @@ test("tuple constructor", () => {
let timestamp_upper_bound = 1577750400000; // 2019-12-31T00:00:00Z
expect(date.getTime()).toBeGreaterThan(timestamp_lower_bound);
expect(date.getTime()).toBeLessThan(timestamp_upper_bound);
date = new Date(NaN, 11, 15, 9, 16, 14, 123);
expect(date.getTime()).toBe(NaN);
date = new Date(2021, 11, 15, 9, 16, 14, undefined);
expect(date.getTime()).toBe(NaN);
});
test("tuple constructor overflow", () => {
@ -65,7 +77,7 @@ test("tuple constructor overflow", () => {
expect(date.getMilliseconds()).toBe(345);
expect(date.getDay()).toBe(4);
let date = new Date(2019, -13, -33, -30, -70, -80, -2345);
date = new Date(2019, -13, -33, -30, -70, -80, -2345);
expect(date.getFullYear()).toBe(2017);
expect(date.getMonth()).toBe(9);
expect(date.getDate()).toBe(26);