Simple interface for Mbed Cloud Client
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TestProductionCode.c
00001 00002 #include "ProductionCode.h" 00003 #include "unity.h" 00004 00005 /* sometimes you may want to get at local data in a module. 00006 * for example: If you plan to pass by reference, this could be useful 00007 * however, it should often be avoided */ 00008 extern int Counter; 00009 00010 void setUp(void) 00011 { 00012 /* This is run before EACH TEST */ 00013 Counter = 0x5a5a; 00014 } 00015 00016 void tearDown(void) 00017 { 00018 } 00019 00020 void test_FindFunction_WhichIsBroken_ShouldReturnZeroIfItemIsNotInList_WhichWorksEvenInOurBrokenCode(void) 00021 { 00022 /* All of these should pass */ 00023 TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(78)); 00024 TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(1)); 00025 TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(33)); 00026 TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(999)); 00027 TEST_ASSERT_EQUAL(0, FindFunction_WhichIsBroken(-1)); 00028 } 00029 00030 void test_FindFunction_WhichIsBroken_ShouldReturnTheIndexForItemsInList_WhichWillFailBecauseOurFunctionUnderTestIsBroken(void) 00031 { 00032 /* You should see this line fail in your test summary */ 00033 TEST_ASSERT_EQUAL(1, FindFunction_WhichIsBroken(34)); 00034 00035 /* Notice the rest of these didn't get a chance to run because the line above failed. 00036 * Unit tests abort each test function on the first sign of trouble. 00037 * Then NEXT test function runs as normal. */ 00038 TEST_ASSERT_EQUAL(8, FindFunction_WhichIsBroken(8888)); 00039 } 00040 00041 void test_FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValue(void) 00042 { 00043 /* This should be true because setUp set this up for us before this test */ 00044 TEST_ASSERT_EQUAL_HEX(0x5a5a, FunctionWhichReturnsLocalVariable()); 00045 00046 /* This should be true because we can still change our answer */ 00047 Counter = 0x1234; 00048 TEST_ASSERT_EQUAL_HEX(0x1234, FunctionWhichReturnsLocalVariable()); 00049 } 00050 00051 void test_FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValueAgain(void) 00052 { 00053 /* This should be true again because setup was rerun before this test (and after we changed it to 0x1234) */ 00054 TEST_ASSERT_EQUAL_HEX(0x5a5a, FunctionWhichReturnsLocalVariable()); 00055 } 00056 00057 void test_FunctionWhichReturnsLocalVariable_ShouldReturnCurrentCounter_ButFailsBecauseThisTestIsActuallyFlawed(void) 00058 { 00059 /* Sometimes you get the test wrong. When that happens, you get a failure too... and a quick look should tell 00060 * you what actually happened...which in this case was a failure to setup the initial condition. */ 00061 TEST_ASSERT_EQUAL_HEX(0x1234, FunctionWhichReturnsLocalVariable()); 00062 }
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