mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-10-30 21:01:00 +00:00
32 lines
1.3 KiB
JavaScript
32 lines
1.3 KiB
JavaScript
test("Error.isError length is 1", () => {
|
|
expect(Error.isError).toHaveLength(1);
|
|
});
|
|
|
|
test("Error.isError arguments that evaluate to false", () => {
|
|
expect(Error.isError()).toBeFalse();
|
|
expect(Error.isError("1")).toBeFalse();
|
|
expect(Error.isError("foo")).toBeFalse();
|
|
expect(Error.isError(1)).toBeFalse();
|
|
expect(Error.isError(1, 2, 3)).toBeFalse();
|
|
expect(Error.isError(undefined)).toBeFalse();
|
|
expect(Error.isError(null)).toBeFalse();
|
|
expect(Error.isError(Infinity)).toBeFalse();
|
|
expect(Error.isError({})).toBeFalse();
|
|
});
|
|
|
|
test("Error.isError arguments that evaluate to true", () => {
|
|
expect(Error.isError(new Error())).toBeTrue();
|
|
expect(Error.isError(new EvalError())).toBeTrue();
|
|
expect(Error.isError(new RangeError())).toBeTrue();
|
|
expect(Error.isError(new ReferenceError())).toBeTrue();
|
|
expect(Error.isError(new SyntaxError())).toBeTrue();
|
|
expect(Error.isError(new TypeError())).toBeTrue();
|
|
expect(Error.isError(new URIError())).toBeTrue();
|
|
expect(Error.isError(new SuppressedError())).toBeTrue();
|
|
|
|
class MySuppressedError extends SuppressedError {}
|
|
expect(Error.isError(new MySuppressedError())).toBeTrue();
|
|
|
|
class MyTypeError extends TypeError {}
|
|
expect(Error.isError(new MyTypeError())).toBeTrue();
|
|
});
|