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

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This commit is contained in:
Linus Groh 2021-11-02 00:59:01 +01:00
parent c4e371b3da
commit 07b0aded99
3 changed files with 47 additions and 0 deletions
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19
Userland/Libraries/LibJS/Tests/builtins/Temporal/PlainDateTime/PlainDateTime.prototype.subtract.js Normal file
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describe("correct behavior", () => {
test("length is 1", () => {
expect(Temporal.PlainDateTime.prototype.subtract).toHaveLength(1);
});
test("basic functionality", () => {
const plainDateTime = new Temporal.PlainDateTime(2021, 7, 6, 18, 14, 47);
const result = plainDateTime.subtract(new Temporal.Duration(51, 6, 0, 5, 18, 14, 47));
expect(result.equals(new Temporal.PlainDateTime(1970, 1, 1)));
});
});
describe("errors", () => {
test("this value must be a Temporal.PlainDateTime object", () => {
expect(() => {
Temporal.PlainDateTime.prototype.subtract.call("foo");
}).toThrowWithMessage(TypeError, "Not an object of type Temporal.PlainDateTime");
});
});