Merge commit '6b9b57be226a505a9c9cdd9ed029f22495ce04ec' as 'tests/unity'

1 files changed, 62 insertions, 0 deletions

diff --git a/tests/unity/examples/example_1/test/TestProductionCode.c b/tests/unity/examples/example_1/test/TestProductionCode.c
new file mode 100644
index 0000000..8060886
--- /dev/null
+++ b/tests/unity/examples/example_1/test/TestProductionCode.c
@@ -0,0 +1,62 @@
+
+#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());
+}