MemcpyTest.cpp File Reference

#include <folly/Portability.h>
#include <folly/portability/GTest.h>

Go to the source code of this file.

Functions
	FOLLY_DISABLE_UNDEFINED_BEHAVIOR_SANITIZER ("nonnull-attribute")
void	testLen (size_t len)
	TEST (memcpy, small)
	TEST (memcpy, main)

Function Documentation

FOLLY_DISABLE_UNDEFINED_BEHAVIOR_SANITIZER

(

"nonnull-attribute"

)

Definition at line 36 of file MemcpyTest.cpp.

                                                                {
  // If length is 0, we shouldn't touch any memory.  So this should
  // not crash.
  char* srcNull = nullptr;
  char* dstNull = nullptr;
  memcpy(dstNull, srcNull, 0);
}

TEST	(	memcpy	,
		small
	)

Definition at line 61 of file MemcpyTest.cpp.

References testLen().

                    {
  for (size_t len = 1; len < 8; ++len) {
    testLen(len);
  }
}

TEST	(	memcpy	,
		main
	)

Definition at line 67 of file MemcpyTest.cpp.

References testLen().

                   {
  for (size_t len = 8; len < 128; ++len) {
    testLen(len);
  }

  for (size_t len = 128; len < kSize; len += 128) {
    testLen(len);
  }

  for (size_t len = 128; len < kSize; len += 73) {
    testLen(len);
  }
}

void testLen

(

size_t

len

)

Definition at line 45 of file MemcpyTest.cpp.

References EXPECT_EQ, i, and bm::init().

Referenced by TEST().

                         {
  if (len > kSize) {
    return;
  }
  init();
  memcpy(dst, src, len);
  for (size_t i = 0; i < len; ++i) {
    EXPECT_EQ(src[i], static_cast<char>(i));
    EXPECT_EQ(src[i], dst[i]);
  }
  if (len < kSize) {
    EXPECT_EQ(src[len], static_cast<char>(len));
    EXPECT_EQ(dst[len], static_cast<char>(255 - len));
  }
}