//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
-#include "llvm/System/SwapByteOrder.h"
+#include "llvm/Support/SwapByteOrder.h"
#include <cstdlib>
#include <ctime>
using namespace llvm;
namespace {
-// In these first two tests all of the origional_uintx values are truncated
+// In these first two tests all of the original_uintx values are truncated
// except for 64. We could avoid this, but there's really no point.
-TEST(SwapByteOrder, UnsignedRoundTrip) {
+TEST(getSwappedBytes, UnsignedRoundTrip) {
// The point of the bit twiddling of magic is to test with and without bits
// in every byte.
uint64_t value = 1;
for (std::size_t i = 0; i <= sizeof(value); ++i) {
- uint8_t origional_uint8 = static_cast<uint8_t>(value);
- EXPECT_EQ(origional_uint8,
- sys::SwapByteOrder(sys::SwapByteOrder(origional_uint8)));
+ uint8_t original_uint8 = static_cast<uint8_t>(value);
+ EXPECT_EQ(original_uint8,
+ sys::getSwappedBytes(sys::getSwappedBytes(original_uint8)));
- uint16_t origional_uint16 = static_cast<uint16_t>(value);
- EXPECT_EQ(origional_uint16,
- sys::SwapByteOrder(sys::SwapByteOrder(origional_uint16)));
+ uint16_t original_uint16 = static_cast<uint16_t>(value);
+ EXPECT_EQ(original_uint16,
+ sys::getSwappedBytes(sys::getSwappedBytes(original_uint16)));
- uint32_t origional_uint32 = static_cast<uint32_t>(value);
- EXPECT_EQ(origional_uint32,
- sys::SwapByteOrder(sys::SwapByteOrder(origional_uint32)));
+ uint32_t original_uint32 = static_cast<uint32_t>(value);
+ EXPECT_EQ(original_uint32,
+ sys::getSwappedBytes(sys::getSwappedBytes(original_uint32)));
- uint64_t origional_uint64 = static_cast<uint64_t>(value);
- EXPECT_EQ(origional_uint64,
- sys::SwapByteOrder(sys::SwapByteOrder(origional_uint64)));
+ uint64_t original_uint64 = static_cast<uint64_t>(value);
+ EXPECT_EQ(original_uint64,
+ sys::getSwappedBytes(sys::getSwappedBytes(original_uint64)));
value = (value << 8) | 0x55; // binary 0101 0101.
}
}
-TEST(SwapByteOrder, SignedRoundTrip) {
+TEST(getSwappedBytes, SignedRoundTrip) {
// The point of the bit twiddling of magic is to test with and without bits
// in every byte.
uint64_t value = 1;
for (std::size_t i = 0; i <= sizeof(value); ++i) {
- int8_t origional_int8 = static_cast<int8_t>(value);
- EXPECT_EQ(origional_int8,
- sys::SwapByteOrder(sys::SwapByteOrder(origional_int8)));
+ int8_t original_int8 = static_cast<int8_t>(value);
+ EXPECT_EQ(original_int8,
+ sys::getSwappedBytes(sys::getSwappedBytes(original_int8)));
- int16_t origional_int16 = static_cast<int16_t>(value);
- EXPECT_EQ(origional_int16,
- sys::SwapByteOrder(sys::SwapByteOrder(origional_int16)));
+ int16_t original_int16 = static_cast<int16_t>(value);
+ EXPECT_EQ(original_int16,
+ sys::getSwappedBytes(sys::getSwappedBytes(original_int16)));
- int32_t origional_int32 = static_cast<int32_t>(value);
- EXPECT_EQ(origional_int32,
- sys::SwapByteOrder(sys::SwapByteOrder(origional_int32)));
+ int32_t original_int32 = static_cast<int32_t>(value);
+ EXPECT_EQ(original_int32,
+ sys::getSwappedBytes(sys::getSwappedBytes(original_int32)));
- int64_t origional_int64 = static_cast<int64_t>(value);
- EXPECT_EQ(origional_int64,
- sys::SwapByteOrder(sys::SwapByteOrder(origional_int64)));
+ int64_t original_int64 = static_cast<int64_t>(value);
+ EXPECT_EQ(original_int64,
+ sys::getSwappedBytes(sys::getSwappedBytes(original_int64)));
// Test other sign.
value *= -1;
- origional_int8 = static_cast<int8_t>(value);
- EXPECT_EQ(origional_int8,
- sys::SwapByteOrder(sys::SwapByteOrder(origional_int8)));
+ original_int8 = static_cast<int8_t>(value);
+ EXPECT_EQ(original_int8,
+ sys::getSwappedBytes(sys::getSwappedBytes(original_int8)));
- origional_int16 = static_cast<int16_t>(value);
- EXPECT_EQ(origional_int16,
- sys::SwapByteOrder(sys::SwapByteOrder(origional_int16)));
+ original_int16 = static_cast<int16_t>(value);
+ EXPECT_EQ(original_int16,
+ sys::getSwappedBytes(sys::getSwappedBytes(original_int16)));
- origional_int32 = static_cast<int32_t>(value);
- EXPECT_EQ(origional_int32,
- sys::SwapByteOrder(sys::SwapByteOrder(origional_int32)));
+ original_int32 = static_cast<int32_t>(value);
+ EXPECT_EQ(original_int32,
+ sys::getSwappedBytes(sys::getSwappedBytes(original_int32)));
- origional_int64 = static_cast<int64_t>(value);
- EXPECT_EQ(origional_int64,
- sys::SwapByteOrder(sys::SwapByteOrder(origional_int64)));
+ original_int64 = static_cast<int64_t>(value);
+ EXPECT_EQ(original_int64,
+ sys::getSwappedBytes(sys::getSwappedBytes(original_int64)));
// Return to normal sign and twiddle.
value *= -1;
}
}
-TEST(SwapByteOrder, uint8_t) {
- EXPECT_EQ(uint8_t(0x11), sys::SwapByteOrder<uint8_t>(0x11));
+TEST(getSwappedBytes, uint8_t) {
+ EXPECT_EQ(uint8_t(0x11), sys::getSwappedBytes(uint8_t(0x11)));
}
-TEST(SwapByteOrder, uint16_t) {
- EXPECT_EQ(uint16_t(0x1122), sys::SwapByteOrder<uint16_t>(0x2211));
+TEST(getSwappedBytes, uint16_t) {
+ EXPECT_EQ(uint16_t(0x1122), sys::getSwappedBytes(uint16_t(0x2211)));
}
-TEST(SwapByteOrder, uint32_t) {
- EXPECT_EQ(uint32_t(0x11223344), sys::SwapByteOrder<uint32_t>(0x44332211));
+TEST(getSwappedBytes, uint32_t) {
+ EXPECT_EQ(uint32_t(0x11223344), sys::getSwappedBytes(uint32_t(0x44332211)));
}
-TEST(SwapByteOrder, uint64_t) {
- EXPECT_EQ(uint64_t(0x1122334455667788),
- sys::SwapByteOrder<uint64_t>(0x8877665544332211));
+TEST(getSwappedBytes, uint64_t) {
+ EXPECT_EQ(uint64_t(0x1122334455667788ULL),
+ sys::getSwappedBytes(uint64_t(0x8877665544332211ULL)));
}
-TEST(SwapByteOrder, int8_t) {
- EXPECT_EQ(int8_t(0x11), sys::SwapByteOrder<int8_t>(0x11));
+TEST(getSwappedBytes, int8_t) {
+ EXPECT_EQ(int8_t(0x11), sys::getSwappedBytes(int8_t(0x11)));
}
-TEST(SwapByteOrder, int16_t) {
- EXPECT_EQ(int16_t(0x1122), sys::SwapByteOrder<int16_t>(0x2211));
+TEST(getSwappedBytes, int16_t) {
+ EXPECT_EQ(int16_t(0x1122), sys::getSwappedBytes(int16_t(0x2211)));
}
-TEST(SwapByteOrder, int32_t) {
- EXPECT_EQ(int32_t(0x11223344), sys::SwapByteOrder<int32_t>(0x44332211));
+TEST(getSwappedBytes, int32_t) {
+ EXPECT_EQ(int32_t(0x11223344), sys::getSwappedBytes(int32_t(0x44332211)));
}
-TEST(SwapByteOrder, int64_t) {
- EXPECT_EQ(int64_t(0x1122334455667788),
- sys::SwapByteOrder<int64_t>(0x8877665544332211));
+TEST(getSwappedBytes, int64_t) {
+ EXPECT_EQ(int64_t(0x1122334455667788LL),
+ sys::getSwappedBytes(int64_t(0x8877665544332211LL)));
+}
+
+TEST(getSwappedBytes, float) {
+ EXPECT_EQ(1.79366203433576585078237386661e-43f, sys::getSwappedBytes(-0.0f));
+ // 0x11223344
+ EXPECT_EQ(7.1653228759765625e2f, sys::getSwappedBytes(1.2795344e-28f));
+}
+
+TEST(getSwappedBytes, double) {
+ EXPECT_EQ(6.32404026676795576546008054871e-322, sys::getSwappedBytes(-0.0));
+ // 0x1122334455667788
+ EXPECT_EQ(-7.08687663657301358331704585496e-268,
+ sys::getSwappedBytes(3.84141202447173065923064450234e-226));
+}
+
+TEST(swapByteOrder, uint8_t) {
+ uint8_t value = 0x11;
+ sys::swapByteOrder(value);
+ EXPECT_EQ(uint8_t(0x11), value);
+}
+
+TEST(swapByteOrder, uint16_t) {
+ uint16_t value = 0x2211;
+ sys::swapByteOrder(value);
+ EXPECT_EQ(uint16_t(0x1122), value);
+}
+
+TEST(swapByteOrder, uint32_t) {
+ uint32_t value = 0x44332211;
+ sys::swapByteOrder(value);
+ EXPECT_EQ(uint32_t(0x11223344), value);
+}
+
+TEST(swapByteOrder, uint64_t) {
+ uint64_t value = 0x8877665544332211ULL;
+ sys::swapByteOrder(value);
+ EXPECT_EQ(uint64_t(0x1122334455667788ULL), value);
+}
+
+TEST(swapByteOrder, int8_t) {
+ int8_t value = 0x11;
+ sys::swapByteOrder(value);
+ EXPECT_EQ(int8_t(0x11), value);
+}
+
+TEST(swapByteOrder, int16_t) {
+ int16_t value = 0x2211;
+ sys::swapByteOrder(value);
+ EXPECT_EQ(int16_t(0x1122), value);
+}
+
+TEST(swapByteOrder, int32_t) {
+ int32_t value = 0x44332211;
+ sys::swapByteOrder(value);
+ EXPECT_EQ(int32_t(0x11223344), value);
+}
+
+TEST(swapByteOrder, int64_t) {
+ int64_t value = 0x8877665544332211LL;
+ sys::swapByteOrder(value);
+ EXPECT_EQ(int64_t(0x1122334455667788LL), value);
+}
+
+TEST(swapByteOrder, float) {
+ float value = 7.1653228759765625e2f; // 0x44332211
+ sys::swapByteOrder(value);
+ EXPECT_EQ(1.2795344e-28f, value);
+}
+
+TEST(swapByteOrder, double) {
+ double value = -7.08687663657301358331704585496e-268; // 0x8877665544332211
+ sys::swapByteOrder(value);
+ EXPECT_EQ(3.84141202447173065923064450234e-226, value);
}
}
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