source: class CommandTest {
  
      @Test
      public void testMoveCommand() throws Exception {
  
target:         HashMap<String, Boolean> testCases = new HashMap<String, Boolean>();
          testCases.put("move 1", false);
          testCases.put("move 1,1", true);
          testCases.put("move  1,1", false);
          testCases.put("move 1,1,1", false);
          testCases.put("move 1,1,1,1", true);
          testCases.put("move 1,a,1,1", false);
          testCases.put("   move 1,1,1,1,1,1   ", true);
          testCases.put("", false);
          testCases.put(null, false);
          testCases.put("test", false);
  
          for (String key : testCases.keySet()) {
              boolean res = Command.getCoordinates(key) != null;
              assertThat(res).isEqualTo(testCases.get(key));
          }
      }
  
  }