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

1 files changed, 64 insertions, 0 deletions

diff --git a/tests/unity/examples/example_2/test/TestProductionCode.c b/tests/unity/examples/example_2/test/TestProductionCode.c
new file mode 100644
index 0000000..ff318ab
--- /dev/null
+++ b/tests/unity/examples/example_2/test/TestProductionCode.c
@@ -0,0 +1,64 @@
+#include "ProductionCode.h"
+#include "unity.h"
+#include "unity_fixture.h"
+
+TEST_GROUP(ProductionCode);
+
+//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;
+
+TEST_SETUP(ProductionCode)
+{
+  //This is run before EACH TEST
+  Counter = 0x5a5a;
+}
+
+TEST_TEAR_DOWN(ProductionCode)
+{
+}
+
+TEST(ProductionCode, FindFunction_WhichIsBroken_ShouldReturnZeroIfItemIsNotInList_WhichWorksEvenInOurBrokenCode)
+{
+  //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));
+}
+
+TEST(ProductionCode, FindFunction_WhichIsBroken_ShouldReturnTheIndexForItemsInList_WhichWillFailBecauseOurFunctionUnderTestIsBroken)
+{
+  // 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));
+}
+
+TEST(ProductionCode, FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValue)
+{
+    //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());
+}
+
+TEST(ProductionCode, FunctionWhichReturnsLocalVariable_ShouldReturnTheCurrentCounterValueAgain)
+{
+    //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());
+}
+
+TEST(ProductionCode, FunctionWhichReturnsLocalVariable_ShouldReturnCurrentCounter_ButFailsBecauseThisTestIsActuallyFlawed)
+{
+    //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());
+}