assertEquals(c1.hashCode(), c2.hashCode(), "expected same hashcode for " + v1 + " and " + v2);
        assertEquals(c1, c2, "expected " + v1 + ".equals( " + v2 + " )");
        assertEquals(c2, c1, "expected " + v2 + ".equals( " + v1 + " )");
    }

    private void checkVersionsHaveSameOrder(String v1, String v2) {
        ComparableVersion c1 = new ComparableVersion(v1);

		if err != tt.expectedErr {
			t.Errorf("Test %d: Expected %s, got %s", i+1, tt.expectedErr, err)
		}
		if !bytes.Equal(chunkSize, tt.chunkSize) {
			t.Errorf("Test %d: Expected %s, got %s", i+1, string(tt.chunkSize), string(chunkSize))
		}
		if !bytes.Equal(chunkSignature, tt.chunkSignature) {
			t.Errorf("Test %d: Expected %s, got %s", i+1, string(tt.chunkSignature), string(chunkSignature))
		}
	}
}

			t.Errorf("%s: Expected the object name to be `%s`, but instead found `%s`", instanceType, "newPrefix", result.Objects[0].Name)
		}
		if result.Objects[1].Name != "newPrefix2" {
			t.Errorf("%s: Expected the object name to be `%s`, but instead found `%s`", instanceType, "newPrefix", result.Objects[1].Name)
		}
		if result.Objects[2].Name != "obj0" {

		if foundPrefix != test.commonPrefix {
			t.Fatalf("Test %d: Common prefix found: `%v`, expected: `%v`", i+1, foundPrefix, test.commonPrefix)
		}
	}
}

func TestGetMinioMode(t *testing.T) {
	testMinioMode := func(expected string) {
		if mode := getMinioMode(); mode != expected {
			t.Fatalf("Expected %s got %s", expected, mode)
		}
	}
	globalIsDistErasure = true
	testMinioMode(globalMinioModeDistErasure)

		}
		if testCase.expected != ErrNone {
			// Should be set since we are simulating a http server.
			req.RequestURI = req.URL.RequestURI()
			// Check if it matches!
			errCode := doesPresignV2SignatureMatch(req)
			if errCode != testCase.expected {
				t.Errorf("(%d) expected to get %s, instead got %s", i, niceError(testCase.expected), niceError(errCode))
			}
		} else {

        assertThrows(
            UncheckedExecutionException.class, () -> getUnchecked(FAILED_FUTURE_OTHER_THROWABLE));
    assertThat(expected).hasCauseThat().isEqualTo(OTHER_THROWABLE);
  }

  public void testGetUnchecked_runtimeException() {
    RuntimeException expected =
        assertThrows(RuntimeException.class, () -> getUnchecked(RUNTIME_EXCEPTION_FUTURE));
    assertEquals(RUNTIME_EXCEPTION, expected);
  }

        assertThrows(
            UncheckedExecutionException.class, () -> getUnchecked(FAILED_FUTURE_OTHER_THROWABLE));
    assertThat(expected).hasCauseThat().isEqualTo(OTHER_THROWABLE);
  }

  public void testGetUnchecked_runtimeException() {
    RuntimeException expected =
        assertThrows(RuntimeException.class, () -> getUnchecked(RUNTIME_EXCEPTION_FUTURE));
    assertEquals(RUNTIME_EXCEPTION, expected);
  }

      for (RoundingMode mode : ALL_SAFE_ROUNDING_MODES) {
        BigDecimal expected = new BigDecimal(d).setScale(0, mode);
        boolean isInBounds =
            expected.compareTo(MAX_INT_AS_BIG_DECIMAL) <= 0
                & expected.compareTo(MIN_INT_AS_BIG_DECIMAL) >= 0;

        try {
          assertEquals(expected.intValue(), DoubleMath.roundToInt(d, mode));
          assertTrue(isInBounds);

		}
		// Failed as expected, but does it fail for the expected reason.
		if actualErr != nil && !testCase.shouldPass {
			if testCase.expectedError.Error() != actualErr.Error() {
				t.Errorf("Test %d: %s: Expected to fail with error \"%s\", but instead failed with error \"%s\" instead.", i+1, instanceType, testCase.expectedError.Error(), actualErr.Error())
			}
		}
		// Test passes as expected, but the output values are verified for correctness here.

		// ServeHTTP to execute the logic of the handler.
		apiRouter.ServeHTTP(rec, req)

		isEnc := false
		expected := 200
		if strings.HasPrefix(input.objectName, "enc-") {
			isEnc = true
			expected = 400
		}
		if rec.Code != expected {
			t.Errorf("Test %d: expected code %d but got %d for object %s", i+1, expected, rec.Code, input.objectName)
		}

		contentLength := rec.Header().Get("Content-Length")
		if isEnc {