X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=unittests%2FSupport%2FSwapByteOrderTest.cpp;h=4f2537c4d5dee516e1a8ad5ee0c6ac5fa3b7ca30;hb=4918b66f8428f0d5b4559da8f966e3aa54c3b1ba;hp=85ac6f3e8ddb1f522f2028d64558c212bd882318;hpb=ae43cab6bab0e5bcdbe2971bf718712559625e39;p=oota-llvm.git

diff --git a/unittests/Support/SwapByteOrderTest.cpp b/unittests/Support/SwapByteOrderTest.cpp
index 85ac6f3e8dd..4f2537c4d5d 100644
--- a/unittests/Support/SwapByteOrderTest.cpp
+++ b/unittests/Support/SwapByteOrderTest.cpp
@@ -20,70 +20,70 @@ namespace {
 // 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 original_uint8 = static_cast<uint8_t>(value);
     EXPECT_EQ(original_uint8,
-              sys::SwapByteOrder(sys::SwapByteOrder(original_uint8)));
+              sys::getSwappedBytes(sys::getSwappedBytes(original_uint8)));
 
     uint16_t original_uint16 = static_cast<uint16_t>(value);
     EXPECT_EQ(original_uint16,
-              sys::SwapByteOrder(sys::SwapByteOrder(original_uint16)));
+              sys::getSwappedBytes(sys::getSwappedBytes(original_uint16)));
 
     uint32_t original_uint32 = static_cast<uint32_t>(value);
     EXPECT_EQ(original_uint32,
-              sys::SwapByteOrder(sys::SwapByteOrder(original_uint32)));
+              sys::getSwappedBytes(sys::getSwappedBytes(original_uint32)));
 
     uint64_t original_uint64 = static_cast<uint64_t>(value);
     EXPECT_EQ(original_uint64,
-              sys::SwapByteOrder(sys::SwapByteOrder(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 original_int8 = static_cast<int8_t>(value);
     EXPECT_EQ(original_int8,
-              sys::SwapByteOrder(sys::SwapByteOrder(original_int8)));
+              sys::getSwappedBytes(sys::getSwappedBytes(original_int8)));
 
     int16_t original_int16 = static_cast<int16_t>(value);
     EXPECT_EQ(original_int16,
-              sys::SwapByteOrder(sys::SwapByteOrder(original_int16)));
+              sys::getSwappedBytes(sys::getSwappedBytes(original_int16)));
 
     int32_t original_int32 = static_cast<int32_t>(value);
     EXPECT_EQ(original_int32,
-              sys::SwapByteOrder(sys::SwapByteOrder(original_int32)));
+              sys::getSwappedBytes(sys::getSwappedBytes(original_int32)));
 
     int64_t original_int64 = static_cast<int64_t>(value);
     EXPECT_EQ(original_int64,
-              sys::SwapByteOrder(sys::SwapByteOrder(original_int64)));
+              sys::getSwappedBytes(sys::getSwappedBytes(original_int64)));
 
     // Test other sign.
     value *= -1;
 
     original_int8 = static_cast<int8_t>(value);
     EXPECT_EQ(original_int8,
-              sys::SwapByteOrder(sys::SwapByteOrder(original_int8)));
+              sys::getSwappedBytes(sys::getSwappedBytes(original_int8)));
 
     original_int16 = static_cast<int16_t>(value);
     EXPECT_EQ(original_int16,
-              sys::SwapByteOrder(sys::SwapByteOrder(original_int16)));
+              sys::getSwappedBytes(sys::getSwappedBytes(original_int16)));
 
     original_int32 = static_cast<int32_t>(value);
     EXPECT_EQ(original_int32,
-              sys::SwapByteOrder(sys::SwapByteOrder(original_int32)));
+              sys::getSwappedBytes(sys::getSwappedBytes(original_int32)));
 
     original_int64 = static_cast<int64_t>(value);
     EXPECT_EQ(original_int64,
-              sys::SwapByteOrder(sys::SwapByteOrder(original_int64)));
+              sys::getSwappedBytes(sys::getSwappedBytes(original_int64)));
 
     // Return to normal sign and twiddle.
     value *= -1;
@@ -91,38 +91,111 @@ TEST(SwapByteOrder, SignedRoundTrip) {
   }
 }
 
-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) {
+TEST(getSwappedBytes, uint64_t) {
   EXPECT_EQ(uint64_t(0x1122334455667788ULL),
-    sys::SwapByteOrder(uint64_t(0x8877665544332211ULL)));
+    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) {
+TEST(getSwappedBytes, int64_t) {
   EXPECT_EQ(int64_t(0x1122334455667788LL),
-    sys::SwapByteOrder(int64_t(0x8877665544332211LL)));
+    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);
 }
 
 }