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LibJS: Implement Temporal.PlainDate.prototype.subtract()

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This commit is contained in:
Linus Groh 2021-11-02 12:57:44 +01:00
parent bcd96c80f3
commit 654380c2c2
3 changed files with 41 additions and 0 deletions
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19
Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainDate/PlainDate.prototype.subtract.js Normal file
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describe("correct behavior", () => {
test("length is 1", () => {
expect(Temporal.PlainDate.prototype.subtract).toHaveLength(1);
});
test("basic functionality", () => {
const plainDate = new Temporal.PlainDate(2021, 7, 6);
const result = plainDate.subtract(new Temporal.Duration(51, 6, 0, 5));
expect(result.equals(new Temporal.PlainDate(1970, 1, 1))).toBeTrue();
});
});
describe("errors", () => {
test("this value must be a Temporal.PlainDate object", () => {
expect(() => {
Temporal.PlainDate.prototype.subtract.call("foo");
}).toThrowWithMessage(TypeError, "Not an object of type Temporal.PlainDate");
});
});