First release of open-appsec source code

external/C-Mock/test/cmock-function-mockers_test.cc

@@ -0,0 +1,50 @@
+#include <cmock/cmock.h>
+
+#include "math.h"
+
+using namespace ::testing;
+
+DECLARE_FUNCTION_MOCK2(AddFunctionMock, add, int(int, int));
+DECLARE_FUNCTION_MOCK1(NegateFunctionMock, negate, int(int));
+
+IMPLEMENT_FUNCTION_MOCK2(AddFunctionMock, add, int(int, int));
+IMPLEMENT_FUNCTION_MOCK1(NegateFunctionMock, negate, int(int));
+
+/**
+ * Function add is mocked as long as AddFunctionMock instance exists.
+ * Once mock function is destroyed, a call directs to a real function.
+ */
+TEST(FunctionMockersTest, MocksFunctionAsLongAsMockInstanceExists) {
+
+	{
+		AddFunctionMock mock;
+
+		EXPECT_FUNCTION_CALL(mock, (1, 2)).WillOnce(Return(12));
+		ASSERT_EQ(12, add(1, 2));
+	}
+
+	ASSERT_EQ(3, add(1, 2));
+}
+
+/**
+ * real static mock class field holds pointer to a real function.
+ */
+TEST(FunctionMockersTest, FunctionMockExportsRealFunctionPointer) {
+	EXPECT_EQ(3, AddFunctionMock::real(1, 2));
+}
+
+/**
+ * Function negate doesn't exist, but can be mocked.
+ */
+TEST(FunctionMockersTest, ThrowsExceptionIfRealFunctionNotFound)
+{
+	{
+		NegateFunctionMock mock;
+
+		EXPECT_FUNCTION_CALL(mock, (9)).WillOnce(Return(3));
+
+		ASSERT_EQ(3, negate(9));
+	}
+
+	EXPECT_THROW(negate(9), std::logic_error);
+}