1#include "ProductionCode.h"
2#include "unity.h"
3#include "unity_fixture.h"
4
5TEST_GROUP(ProductionCode);
6
7//sometimes you may want to get at local data in a module.
8//for example: If you plan to pass by reference, this could be useful
9//however, it should often be avoided
10extern int Counter;
11
12TEST_SETUP(ProductionCode)
13{
14  //This is run before EACH TEST
15  Counter = 0x5a5a;
16}
17
18TEST_TEAR_DOWN(ProductionCode)
19{
20}
21
22TEST(ProductionCode, FindFunction_WhichIsBroken_ShouldReturnZeroIfItemIsNotInList_WhichWorksEvenInOurBrokenCode)
23{
24  //All of these should pass
25  TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(78));
26  TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(2));
27  TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(33));
28  TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(999));
29  TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(-1));
30}
31
32TEST(ProductionCode, FindFunction_WhichIsBroken_ShouldReturnTheIndexForItemsInList_WhichWillFailBecauseOurFunctionUnderTestIsBroken)
33{
34  // You should see this line fail in your test summary
35  TEST_ASSERT_EQUAL(1, FindFunction_WhichIsBroken(34));
36
37  // Notice the rest of these didn't get a chance to run because the line above failed.
38  // Unit tests abort each test function on the first sign of trouble.
39  // Then NEXT test function runs as normal.
40  TEST_ASSERT_EQUAL(8, FindFunction_WhichIsBroken(8888));
41}
42
43TEST(ProductionCode, FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValue)
44{
45    //This should be true because setUp set this up for us before this test
46    TEST_ASSERT_EQUAL_HEX(0x5a5a, FunctionWhichReturnsLocalVariable());
47
48    //This should be true because we can still change our answer
49    Counter = 0x1234;
50    TEST_ASSERT_EQUAL_HEX(0x1234, FunctionWhichReturnsLocalVariable());
51}
52
53TEST(ProductionCode, FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValueAgain)
54{
55    //This should be true again because setup was rerun before this test (and after we changed it to 0x1234)
56    TEST_ASSERT_EQUAL_HEX(0x5a5a, FunctionWhichReturnsLocalVariable());
57}
58
59TEST(ProductionCode, FunctionWhichReturnsLocalVariable_ShouldReturnCurrentCounter_ButFailsBecauseThisTestIsActuallyFlawed)
60{
61    //Sometimes you get the test wrong.  When that happens, you get a failure too... and a quick look should tell
62    // you what actually happened...which in this case was a failure to setup the initial condition.
63    TEST_ASSERT_EQUAL_HEX(0x1234, FunctionWhichReturnsLocalVariable());
64}
65