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Validating ranged tests with parameters

Each time an input parameter is changed the test is executed one more time. The TestApe will invoke the test until the list of values is exhausted. With the previous example in mind, the macro PARAMETER_VALUE can be used to extract the values as shown in sample16 below2.1 

  void test_addition(void) {
    EXPECT    ( invalid );
    EXPECT    ( invalid );
    EXPECT    ( add );
    VALIDATE(calculate(PARAMETER_VALUE,PARAMETER_VALUE,'+'), 2*PARAMETER_VALUE);
    }

  void testmain(void) {
    PARAMETER_RANGE(10,20);
    EXECUTE(test_addition);
    }
As the input is changed, most likely so too are the validations and the list of expected function calls. This can also be implemented by the use of PARAMETER_VALUE. An example (sample17) is shown below.2.1 

  void test_addition(void) {
    EXPECT    ( invalid );
    SIMULATE  ( invalid, PARAMETER_VALUE );

    if (!PARAMETER_VALUE)
      EXPECT_VALIDATE ( add, check_add );

    if (!PARAMETER_VALUE)
      VALIDATE(calculate(3,7,'+'), EXPECTED_SUM);
    else
      VALIDATE(calculate(3,7,'+'), ERROR);
    }

  void testmain(void) {
    PARAMETER(TRUE);
    PARAMETER(FALSE);
    EXECUTE(test_addition);
    }

The value being tested can also be passed to one of the mocks, e.g. the function check_add shown below 

  void test_addition(void) {
    EXPECT  ( invalid );
    EXPECT  ( invalid );
    EXPECT_SIMULATE ( add, check_add , PARAMETER_VALUE);
    VALIDATE(calculate(3,7,'+'), PARAMETER_VALUE);
    }
The mock can pick up the value as described in [*] or it can just pick up the value by referencing PARAMETER_VALUE directly. PARAMETER_VALUE will remain in scope for the test and mock functions throughout the duration of the test.


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