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2024-07-02 18:10:39 +02:00
commit 48ab06b1d9
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+/////////////////////////////////////////////////////////////////////////////
+// Copyright (c) Electronic Arts Inc. All rights reserved.
+/////////////////////////////////////////////////////////////////////////////
+
+
+#include "EASTLTest.h"
+#include <EASTL/bit.h>
+
+using namespace eastl;
+
+
+int TestBitcast()
+{
+	int nErrorCount = 0;
+
+	{
+		uint32_t int32Value = 0x12345678;
+		float floatValue = eastl::bit_cast<float>(int32Value);
+		VERIFY(memcmp(&int32Value, &floatValue, sizeof(float)) == 0);
+	}
+
+	{
+		struct IntFloatStruct
+		{
+			uint32_t i = 0x87654321;
+			float f = 10.f;
+		};
+		struct CharIntStruct
+		{
+			char c1;
+			char c2;
+			char c3;
+			char c4;
+			uint32_t i;
+		};
+
+		IntFloatStruct ifStruct;
+		CharIntStruct ciStruct = eastl::bit_cast<CharIntStruct>(ifStruct);
+		VERIFY(memcmp(&ifStruct, &ciStruct, sizeof(IntFloatStruct)) == 0);
+	}
+
+#if EASTL_CONSTEXPR_BIT_CAST_SUPPORTED
+	{
+		constexpr uint32_t int32Value = 40;
+		constexpr float floatValue = eastl::bit_cast<float>(int32Value);
+		VERIFY(memcmp(&int32Value, &floatValue, sizeof(float)) == 0);
+	}
+#endif
+
+
+	return nErrorCount;
+}