import { AssertionError, assertIsError, assertThrows } from "./mod.ts";
class CustomError extends Error {}class AnotherCustomError extends Error {}
Deno.test("assertIsError() throws when given value isn't error", () => { assertThrows( () => assertIsError("Panic!", undefined, "Panic!"), AssertionError, `Expected "error" to be an Error object.`, );
assertThrows( () => assertIsError(null), AssertionError, `Expected "error" to be an Error object.`, );
assertThrows( () => assertIsError(undefined), AssertionError, `Expected "error" to be an Error object.`, );});
Deno.test("assertIsError() allows subclass of Error", () => { assertIsError(new AssertionError("Fail!"), Error, "Fail!");});
Deno.test("assertIsError() allows custom error", () => { assertIsError(new CustomError("failed"), CustomError, "fail"); assertThrows( () => assertIsError(new AnotherCustomError("failed"), CustomError, "fail"), AssertionError, 'Expected error to be instance of "CustomError", but was "AnotherCustomError".', );});
Deno.test("assertIsError() throws with message diff containing double quotes", () => { assertThrows( () => assertIsError( new CustomError('error with "double quotes"'), CustomError, 'doesn\'t include "this message"', ), AssertionError, `Expected error message to include "doesn't include \\"this message\\"", but got "error with \\"double quotes\\"".`, );});
Deno.test("assertIsError() throws when given value doesn't match regex ", () => { assertIsError(new AssertionError("Regex test"), Error, /ege/); assertThrows( () => assertIsError(new AssertionError("Regex test"), Error, /egg/), Error, `Expected error message to include /egg/, but got "Regex test"`, );});