Function toEqual

packages/playwright/src/matchers/expectLibrary.ts:1037–1057

(received: unknown, expected: unknown)

  },

  toEqual(received: unknown, expected: unknown) {
    const matcherName = 'toEqual';
    const options: MatcherHintOptions = { comment: 'deep equality', isNot: this.isNot, promise: this.promise };

    const pass = equals(received, expected, [...this.customTesters, iterableEquality]);

    const message = pass
      ? () =>
        matcherHint(matcherName, undefined, undefined, options) +
          '\n\n' +
          `Expected: not ${printExpected(expected)}\n` +
          (stringify(expected) === stringify(received)
            ? ''
            : `Received:     ${printReceived(received)}`)
      : () =>
        matcherHint(matcherName, undefined, undefined, options) +
          '\n\n' +
          printDiffOrStringify(expected, received, EXPECTED_LABEL, RECEIVED_LABEL, false);

    return { actual: received, expected, message, name: matcherName, pass };
  },

  toHaveLength(received: any, expected: number) {
    const matcherName = 'toHaveLength';