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#include "ProductionCode.h"
#include "unity.h"
//sometimes you may want to get at local data in a module.
//for example: If you plan to pass by reference, this could be useful
//however, it should often be avoided
extern int Counter;
void setUp(void)
{
//This is run before EACH TEST
Counter = 0x5a5a;
}
void tearDown(void)
{
}
void test_FindFunction_WhichIsBroken_ShouldReturnZeroIfItemIsNotInList_WhichWorksEvenInOurBrokenCode(void)
{
//All of these should pass
TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(78));
TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(1));
TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(33));
TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(999));
TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(-1));
}
void test_FindFunction_WhichIsBroken_ShouldReturnTheIndexForItemsInList_WhichWillFailBecauseOurFunctionUnderTestIsBroken(void)
{
// You should see this line fail in your test summary
TEST_ASSERT_EQUAL(1, FindFunction_WhichIsBroken(34));
// Notice the rest of these didn't get a chance to run because the line above failed.
// Unit tests abort each test function on the first sign of trouble.
// Then NEXT test function runs as normal.
TEST_ASSERT_EQUAL(8, FindFunction_WhichIsBroken(8888));
}
void test_FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValue(void)
{
//This should be true because setUp set this up for us before this test
TEST_ASSERT_EQUAL_HEX(0x5a5a, FunctionWhichReturnsLocalVariable());
//This should be true because we can still change our answer
Counter = 0x1234;
TEST_ASSERT_EQUAL_HEX(0x1234, FunctionWhichReturnsLocalVariable());
}
void test_FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValueAgain(void)
{
//This should be true again because setup was rerun before this test (and after we changed it to 0x1234)
TEST_ASSERT_EQUAL_HEX(0x5a5a, FunctionWhichReturnsLocalVariable());
}
void test_FunctionWhichReturnsLocalVariable_ShouldReturnCurrentCounter_ButFailsBecauseThisTestIsActuallyFlawed(void)
{
//Sometimes you get the test wrong. When that happens, you get a failure too... and a quick look should tell
// you what actually happened...which in this case was a failure to setup the initial condition.
TEST_ASSERT_EQUAL_HEX(0x1234, FunctionWhichReturnsLocalVariable());
}
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