var ErrInvalidChecksum = errors.New("invalid checksum")

// SetExpectedMin set expected minimum data expected from reader
func (r *Reader) SetExpectedMin(expectedMin int64) {
	r.expectedMin = expectedMin
}

// SetExpectedMax set expected max data expected from reader
func (r *Reader) SetExpectedMax(expectedMax int64) {
	r.expectedMax = expectedMax
}

    val expectedPin = Pin("*.example.com", certA1Sha256Pin)
    assertThat(certificatePinner.findMatchingPins("a.example.com")).containsExactly(expectedPin)
    assertThat(certificatePinner.findMatchingPins(".example.com")).containsExactly(expectedPin)
    assertThat(certificatePinner.findMatchingPins("example.example.com"))
      .containsExactly(expectedPin)
  }

  @Test fun testGoodPin() {

  // Depends on the correctness of BigIntegerMath.factorial.
  public void testFactorial() {
    for (int n = 0; n <= 50; n++) {
      BigInteger expectedBig = BigIntegerMath.factorial(n);
      int expectedInt = fitsInInt(expectedBig) ? expectedBig.intValue() : Integer.MAX_VALUE;
      assertEquals(expectedInt, IntMath.factorial(n));
    }
  }

  public void testFactorialNegative() {
    for (int n : NEGATIVE_INTEGER_CANDIDATES) {

		}

		if !testCase.expectErr {
			if *arn != *testCase.expectedARN {
				t.Fatalf("test %v: data: expected: %v, got: %v", i+1, testCase.expectedARN, arn)
			}
		}
	}
}

func TestParseARN(t *testing.T) {
	testCases := []struct {
		s           string
		expectedARN *ARN
		expectErr   bool
	}{
		{"", nil, true},
		{"arn:minio:sqs:::", nil, true},

			t.Fatalf("test %v: error: expected: %v, got: %v", i+1, testCase.expectErr, expectErr)
		}

		if !testCase.expectErr {
			if *arn != *testCase.expectedARN {
				t.Fatalf("test %v: data: expected: %v, got: %v", i+1, testCase.expectedARN, arn)
			}
		}
	}

    void testSetAndGetMid() {
        // Given
        long expectedMid = 12345L;
        doNothing().when(messageBlock).setMid(expectedMid);
        when(messageBlock.getMid()).thenReturn(expectedMid);

        // When
        messageBlock.setMid(expectedMid);
        long actualMid = messageBlock.getMid();

        // Then
        assertEquals(expectedMid, actualMid);
        verify(messageBlock).setMid(expectedMid);

    val certificatePinner = builder.build()
    val expectedPins =
      Arrays.asList(
        CertificatePinner.Pin("example.com", certA1Sha256Pin),
        CertificatePinner.Pin("www.example.com", certA1Sha256Pin),
      )
    assertEquals(expectedPins, builder.pins)
    assertEquals(HashSet(expectedPins), certificatePinner.pins)
  }

  companion object {
    val certA1 =

		tid         TargetID
		region      string
		expectedARN ARN
	}{
		{tid, "", ARN{TargetID: tid, region: ""}},
		{tid, "us-east-1", ARN{TargetID: tid, region: "us-east-1"}},
	}

	for i, testCase := range testCases {
		arn := testCase.tid.ToARN(testCase.region)

		if arn != testCase.expectedARN {
			t.Fatalf("test %v: ARN: expected: %v, got: %v", i+1, testCase.expectedARN, arn)
		}
	}
}

		tid         TargetID
		region      string
		expectedARN ARN
	}{
		{tid, "", ARN{TargetID: tid, region: ""}},
		{tid, "us-east-1", ARN{TargetID: tid, region: "us-east-1"}},
	}

	for i, testCase := range testCases {
		arn := testCase.tid.ToARN(testCase.region)

		if arn != testCase.expectedARN {
			t.Fatalf("test %v: ARN: expected: %v, got: %v", i+1, testCase.expectedARN, arn)
		}
	}
}

    void testReadParameterWords(int expectedInt, byte[] bytes) {
        // The implementation reads via SMBUtil.readInt4 which returns an int
        // When assigned to a long field, it gets sign-extended
        int readLen = response.readParameterWordsWireFormat(bytes, 0);
        long expectedOffset = expectedInt; // Sign extension happens here for negative values