Precommit (#1)

* first commit

* cleanup

tests/include/gtest_custom.h

@@ -0,0 +1,59 @@
+#ifndef GTEST_CUSTOM_H
+#define GTEST_CUSTOM_H
+
+#ifdef _MSC_VER
+#pragma warning(disable: 4102)
+#endif
+
+#define GTEST_HAS_EXCEPTIONS 1
+#include <gtest/gtest.h>
+
+#include <iostream>
+#include <algorithm>
+#include <math.h>
+
+#ifndef countof
+/**
+ * @brief Count the amount of elements in the array.
+ * @tparam T Array base type.
+ * @tparam N The amount of elements.
+ * @return The amount of elements in the array.
+ */
+template <typename T, int N>
+constexpr int countof(T const (&)[N]) noexcept
+{
+    return N;
+}
+#endif
+
+/**
+ * @brief Equality test macro for container functions.
+ */
+#define EXPECT_ARREQ(val1, ...) { bool b = val1 == decltype(val1)({__VA_ARGS__}); EXPECT_TRUE(b); }
+
+/**
+ * @brief Unequality test macro for container functions.
+ */
+#define EXPECT_ARRNE(val1, ...) { bool b = val1 == decltype(val1)({__VA_ARGS__}); EXPECT_FALSE(b); }
+
+/**
+ * @brief Check for equality fo floating point values.
+ */
+#define EXPECT_FPEQ(val1, val2) EXPECT_TRUE(std::fabs(val1 - val2) < std::numeric_limits<decltype(val1)>::epsilon());
+
+#include "simple_cpp_decomposer.h"
+
+/**
+ * @brief Compare CPP code for equality.
+ */
+#define EXPECT_CPPEQ(s1, s2) \
+  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperCPPEQ, s1, s2)
+
+/**
+ * @brief Compare CPP code for inequality.
+ */
+#define EXPECT_CPPNE(s1, s2) \
+  EXPECT_PRED_FORMAT2(::testing::internal::CmpHelperCPPNE, s1, s2)
+
+
+#endif // ! defined GTEST_CUSTOM_H