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// Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
import { expect } from "./expect.ts";import { fn } from "./fn.ts";import { AssertionError, assertThrows } from "../assert/mod.ts";
Deno.test("expect().toHaveReturned()", () => {  const mockFn0 = fn();  const mockFn1 = fn(() => {    throw new Error("foo");  });
  mockFn0();  try {    mockFn1();  } catch {    // ignore  }
  expect(mockFn0).toHaveReturned();
  expect(mockFn1).not.toHaveReturned();
  assertThrows(() => {    expect(mockFn1).toHaveReturned();  }, AssertionError);
  assertThrows(() => {    expect(mockFn0).not.toHaveReturned();  }, AssertionError);});