Function testAssertionMessage

test/parallel/test-assert.js:343–351

(actual, expected, msg)

  circular.x = circular;

  function testAssertionMessage(actual, expected, msg) {
    assert.throws(
      () => assert.strictEqual(actual, ''),
      {
        generatedMessage: true,
        message: msg || `Expected values to be strictly equal:\n\n${expected} !== ''\n`
      }
    );
  }

  function testLongAssertionMessage(actual, expected) {
    testAssertionMessage(actual, expected, 'Expected values to be strictly equal:\n' +