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difference_test.ts
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difference_test.ts
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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { assertEquals } from "../assert/mod.ts";
import { difference } from "./difference.ts";
Deno.test({
name: "[std/datetime] difference",
fn() {
const denoInit = new Date("2018/5/14");
const denoReleaseV1 = new Date("2020/5/13");
// The order of the dates does not matter
assertEquals(
difference(denoInit, denoReleaseV1),
difference(denoReleaseV1, denoInit),
);
let diff = difference(denoReleaseV1, denoInit, {
units: ["days", "weeks", "months", "years", "quarters"],
});
assertEquals(diff.days, 730);
assertEquals(diff.weeks, 104);
assertEquals(diff.months, 23);
assertEquals(diff.quarters, 7);
assertEquals(diff.years, 1);
// Default units
diff = difference(denoReleaseV1, denoInit);
assertEquals(diff.days, 730);
assertEquals(diff.weeks, 104);
assertEquals(diff.months, 23);
assertEquals(diff.quarters, 7);
assertEquals(diff.years, 1);
// If `options.units.months` isn't defined
diff = difference(denoReleaseV1, denoInit, {
units: ["years", "quarters"],
});
assertEquals(diff.quarters, 7);
assertEquals(diff.years, 1);
const birth = new Date("1998/2/23 10:10:10");
const old = new Date("1998/2/23 11:11:11");
diff = difference(birth, old, {
units: ["milliseconds", "minutes", "seconds", "hours"],
});
assertEquals(diff.milliseconds, 3661000);
assertEquals(diff.seconds, 3661);
assertEquals(diff.minutes, 61);
assertEquals(diff.hours, 1);
},
});