}
    }
  }

  public void testSort() {
    testSort(new byte[] {}, new byte[] {});
    testSort(new byte[] {2}, new byte[] {2});
    testSort(new byte[] {2, 1, 0}, new byte[] {0, 1, 2});
    testSort(new byte[] {2, GREATEST, 1, LEAST}, new byte[] {LEAST, 1, 2, GREATEST});
  }

  static void testSort(byte[] input, byte[] expected) {
    input = Arrays.copyOf(input, input.length);

      }
    }
  }

  public void testSort() {
    testSort(new byte[] {}, new byte[] {});
    testSort(new byte[] {2}, new byte[] {2});
    testSort(new byte[] {2, 1, 0}, new byte[] {0, 1, 2});
    testSort(new byte[] {2, GREATEST, 1, LEAST}, new byte[] {LEAST, 1, 2, GREATEST});
  }

  static void testSort(byte[] input, byte[] expected) {
    input = Arrays.copyOf(input, input.length);

			result := SortBy(tc.input, tc.extract)
			if !reflect.DeepEqual(result, tc.expected) {
				t.Fatalf("Expected: %+v, but got: %+v", tc.expected, result)
			}
		})
	}
}

func TestSort(t *testing.T) {
	testCases := []struct {
		name     string
		input    []int
		expected []int
	}{
		{
			name:     "Single_Element",
			input:    []int{1},
			expected: []int{1},
		},
		{

			sourceIP: "10.0.0.2",
			destIP:   "10.0.0.3",
			destPort: 80,
			output:   "",
		},
		{
			name:     "single endpoint",
			sourceIP: "10.0.0.2",
			destIP:   "172.30.0.41",
			destPort: 80,
			output:   "10.180.0.1:80",
		},
		{
			name:     "multiple endpoints",
			sourceIP: "10.0.0.2",
			destIP:   "172.30.0.44",
			destPort: 80,
			output:   "10.180.0.4:80, 10.180.0.5:80",
		},
		{

					Ports: []v1.ServicePort{
						{
							Name:     "testPort",
							Port:     int32(12345),
							Protocol: v1.ProtocolTCP,
						},
					},
				},
			},
			expected: map[ServicePortName]*BaseServicePortInfo{
				makeServicePortName("test", "extra-space", "testPort", v1.ProtocolTCP): makeTestServiceInfo(testClusterIPv4, 12345, "TCP", 0, func(bsvcPortInfo *BaseServicePortInfo) {