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+//-----------------------------------------------------------------------------
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+// Copyright (c) 2014 GarageGames, LLC
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+//
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+// Permission is hereby granted, free of charge, to any person obtaining a copy
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+// of this software and associated documentation files (the "Software"), to
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+// deal in the Software without restriction, including without limitation the
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+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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+// sell copies of the Software, and to permit persons to whom the Software is
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+// furnished to do so, subject to the following conditions:
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+//
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+// The above copyright notice and this permission notice shall be included in
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+// all copies or substantial portions of the Software.
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+//
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+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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+// IN THE SOFTWARE.
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+//-----------------------------------------------------------------------------
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+
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+#ifdef TORQUE_TESTS_ENABLED
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+#include "testing/unitTesting.h"
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+#include "platform/platform.h"
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+#include "core/util/endian.h"
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+
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+TEST(PlatformTypes, Sizes)
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+{
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+ // Run through all the types and ensure they're the right size.
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+#define CheckType(typeName, expectedSize) \
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+ EXPECT_EQ( sizeof(typeName), expectedSize) \
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+ << "Wrong size for a " #typeName ", expected " #expectedSize;
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+
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+ // One byte types.
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+ CheckType(bool, 1);
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+ CheckType(U8, 1);
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+ CheckType(S8, 1);
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+ CheckType(UTF8, 1);
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+
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+ // Two byte types.
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+ CheckType(U16, 2);
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+ CheckType(S16, 2);
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+ CheckType(UTF16, 2);
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+
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+ // Four byte types.
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+ CheckType(U32, 4);
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+ CheckType(S32, 4);
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+ CheckType(F32, 4);
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+ CheckType(UTF32, 4);
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+
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+ // Eight byte types.
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+ CheckType(U64, 8);
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+ CheckType(S64, 8);
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+ CheckType(F64, 8);
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+
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+ // 16 byte (128bit) types will go here, when we get some.
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+#undef CheckType
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+};
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+
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+TEST(PlatformTypes, EndianConversion)
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+{
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+ // Convenient and non-palindrome byte patterns to test with.
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+ const U16 U16Test = 0xA1B2;
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+ const S16 S16Test = 0x52A1;
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+
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+ const U32 U32Test = 0xA1B2C3D4;
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+ const S32 S32Test = 0xD4C3B2A1;
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+ const F32 F32Test = 1234.5678f;
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+
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+ //const U64 U64Test = 0xA1B2C3D4E3F2E10A;
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+ //const S64 S64Test = 0x1A2B3C4D3E2F1EA0;
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+ const F64 F64Test = 12345678.9101112131415;
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+
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+ // Run through all the conversions - bump stuff from host to little or big
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+ // endian and back again.
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+#define CheckEndianRoundTrip(type, b_or_l) \
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+ EXPECT_EQ( type##Test, convert##b_or_l##EndianToHost(convertHostTo##b_or_l##Endian(type##Test))) \
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+ << "Failed to convert the " #type " test value to " #b_or_l " endian and back to host endian order.";
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+
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+#define CheckTypeBothWays(type) \
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+ CheckEndianRoundTrip(type, B); \
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+ CheckEndianRoundTrip(type, L);
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+
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+#define CheckIntsForBitSize(bits) \
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+ CheckTypeBothWays( U##bits ); \
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+ CheckTypeBothWays( S##bits );
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+
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+ // Don't check 8-bit types - they aren't affected by endian issues.
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+
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+ // Check the >1 byte int types, though.
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+ CheckIntsForBitSize(16);
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+ CheckIntsForBitSize(32);
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+ // CheckIntsForBitSize(64); // don't have convertHostToLEndian(const U64/S64) so this doesn't work
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+
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+ // And check the float types.
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+ CheckTypeBothWays(F32);
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+ CheckTypeBothWays(F64);
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+
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+ // We'd check 128bit types here, if we had any.
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+
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+#undef CheckIntsForBitSize
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+#undef CheckTypeBothWays
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+#undef CheckEndianRoundTrip
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+};
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+
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+TEST(PlatformTypes, EndianSwap)
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+{
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+ U32 swap32 = 0xABCDEF12;
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+ U16 swap16 = 0xABCD;
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+
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+ EXPECT_EQ(endianSwap(swap32), 0x12EFCDAB)
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+ << "32 bit endianSwap should reverse byte order, but didn't.";
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+ EXPECT_EQ(endianSwap(swap16), 0xCDAB)
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+ << "16 bit endianSwap should reverse byte order, but didn't.";
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+};
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+
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+#endif
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Daniel Buckmaster