import { assert, assertEquals, AssertionError, assertRejects } from "./mod.ts";
Deno.test("assertRejects with return type", async () => { await assertRejects(() => { return Promise.reject(new Error()); });});
Deno.test("assertRejects with synchronous function that throws", async () => { await assertRejects(() => assertRejects(() => { throw new Error(); }) ); await assertRejects( () => assertRejects(() => { throw { wrong: "true" }; }), AssertionError, "Function throws when expected to reject.", );});
Deno.test("assertRejects with PromiseLike", async () => { await assertRejects( () => ({ then() { throw new Error("some error"); }, }), Error, "some error", );});
Deno.test("assertRejects with non-error value rejected and error class", async () => { await assertRejects( () => { return assertRejects( () => { return Promise.reject("Panic!"); }, Error, "Panic!", ); }, AssertionError, "A non-Error object was rejected.", );});
Deno.test("assertRejects with non-error value rejected", async () => { await assertRejects(() => { return Promise.reject(null); }); await assertRejects(() => { return Promise.reject(undefined); });});
Deno.test("assertRejects with error class", async () => { await assertRejects( () => { return Promise.reject(new Error("foo")); }, Error, "foo", );});
Deno.test("assertRejects resolves with caught error", async () => { const error = await assertRejects( () => { return Promise.reject(new Error("foo")); }, ); assert(error instanceof Error); assertEquals(error.message, "foo");});
Deno.test("Assert Throws Async Parent Error", async () => { await assertRejects( () => { return Promise.reject(new AssertionError("Fail!")); }, Error, "Fail!", );});
Deno.test( "Assert Throws Async promise rejected with custom Error", async () => { class CustomError extends Error {} class AnotherCustomError extends Error {} await assertRejects( () => assertRejects( () => Promise.reject(new AnotherCustomError("failed")), CustomError, "fail", ), AssertionError, 'Expected error to be instance of "CustomError", but was "AnotherCustomError".', ); },);