source: class GenericClassSignatureParserTest {
  
      @Test
      public void parseTest4() {
  
target:         try {
              ClassType collectionType = new ClassType("Collection", null, null);
              Map<String, DataType> resolvedTypes = new HashMap<>();
              resolvedTypes.put("Collection", collectionType);
              GenericClassSignatureParser genericClassSignatureParser = new GenericClassSignatureParser("MyType<M constrains Collection>", resolvedTypes);
              genericClassSignatureParser.parseGenericSignature();
              fail("Exception should be thrown for invalid parameter syntax");
          } catch(Exception e) {
              assertThat(e.getMessage(), is("Invalid parameter syntax: M constrains Collection"));
          }
  
      }
  
  }