tests: Added endian changer tests

tests/algorithms/CMakeLists.txt

@@ -5,12 +5,22 @@ project(algorithms_test)
 
 # Add new tests here #
 set(AVAILABLE_TESTS
-    TestSucceeding
-    TestFailing
+    # Common
+        TestSucceeding
+        TestFailing
+
+    # Endian
+        32BitIntegerEndianSwap
+        64BitFloatEndianSwap
 )
 
 
-add_executable(algorithms_test source/hash.cpp source/main.cpp include/tests.hpp)
+add_executable(algorithms_test
+        source/main.cpp
+
+        source/common.cpp
+        source/endian.cpp
+)
 target_include_directories(algorithms_test PRIVATE include)
 target_link_libraries(algorithms_test libimhex)
 

tests/algorithms/include/tests.hpp

@@ -9,9 +9,10 @@
 #include <functional>
 
 #define TEST_SEQUENCE(...) static auto ANONYMOUS_VARIABLE(TEST_SEQUENCE) = ::hex::test::TestSequenceExecutor(__VA_ARGS__) + []() -> int
-#define TEST_FAIL() return EXIT_FAILURE;
-#define TEST_SUCCESS() return EXIT_SUCCESS;
+#define TEST_FAIL() return EXIT_FAILURE
+#define TEST_SUCCESS() return EXIT_SUCCESS
 #define FAILING true
+#define TEST_ASSERT(x) return (x) ? EXIT_SUCCESS : EXIT_FAILURE
 
 namespace hex::test {
 

tests/algorithms/source/endian.cpp

@@ -0,0 +1,17 @@
+#include <hex/helpers/utils.hpp>
+#include "test_provider.hpp"
+#include "tests.hpp"
+
+TEST_SEQUENCE("32BitIntegerEndianSwap") {
+    TEST_ASSERT(hex::changeEndianess<u32>(0xAABBCCDD, std::endian::big) == 0xDDCCBBAA);
+};
+
+TEST_SEQUENCE("64BitFloatEndianSwap", FAILING) {
+    double floatValue = 1234.5;
+    u64 integerValue = reinterpret_cast<u64&>(floatValue);
+
+    double swappedFloatValue = hex::changeEndianess(floatValue, std::endian::big);
+    u64 swappedIntegerValue = hex::changeEndianess(integerValue, std::endian::big);
+
+    TEST_ASSERT(std::memcmp(&floatValue, &integerValue, 8) && std::memcmp(&swappedFloatValue, &swappedIntegerValue, 8));
+};