aligned.cpp File Reference

#include "gtest/gtest.h"
#include "common/aligned.h"

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Functions
	TEST (aligned, large_null)
	TEST (aligned, free_null)
	TEST (aligned, zero)
	TEST (aligned, aligned1)
	TEST (aligned, aligned4096)
	TEST (aligned, aligned8)
	TEST (aligned, realloc_null)
	TEST (aligned, realloc_diff_align)
	TEST (aligned, realloc_same)
	TEST (aligned, realloc_larger)
	TEST (aligned, realloc_zero)
	TEST (aligned, contents_larger)
	TEST (aligned, contents_same)
	TEST (aligned, contents_smaller)
	TEST (aligned, alignment)

Function Documentation

TEST() [1/15]

TEST	(	aligned	,
		aligned1	)

Definition at line 36 of file aligned.cpp.

{ void *ptr = aligned_malloc(1, 1); ASSERT_TRUE(ptr); aligned_free(ptr); }

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TEST() [2/15]

TEST	(	aligned	,
		aligned4096	)

Definition at line 37 of file aligned.cpp.

{ void *ptr = aligned_malloc(1, 4096); ASSERT_TRUE(ptr && ((uintptr_t)ptr & 4095) == 0); aligned_free(ptr); }

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TEST() [3/15]

TEST	(	aligned	,
		aligned8	)

Definition at line 38 of file aligned.cpp.

{ void *ptr = aligned_malloc(1, 8); ASSERT_TRUE(ptr && ((uintptr_t)ptr & 7) == 0); aligned_free(ptr); }

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TEST() [4/15]

TEST	(	aligned	,
		alignment	)

Definition at line 87 of file aligned.cpp.

{
  static const size_t good_alignments[] = {1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 2048, 4096, 8192};
  for (size_t a = 0; a <= 8192; ++a)
  {
    bool good = false;
    for (const auto t: good_alignments) if (a == t) good = true;
    void *ptr = aligned_malloc(1, a);
    if (good)
    {
      ASSERT_TRUE(ptr != NULL);
      aligned_free(ptr);
    }
    else
    {
      ASSERT_TRUE(ptr == NULL);
    }
  }
 
  ASSERT_TRUE(aligned_malloc(1, ~0) == NULL);
}

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TEST() [5/15]

TEST	(	aligned	,
		contents_larger	)

Definition at line 45 of file aligned.cpp.

{
  unsigned char *ptr = (unsigned char*)aligned_malloc(50, 256);
  ASSERT_TRUE(ptr);
  for (int n = 0; n < 50; ++n)
    ptr[n] = n;
  unsigned char *ptr2 = (unsigned char*)aligned_realloc(ptr, 51, 256);
  for (int n = 0; n < 50; ++n)
  {
    ASSERT_TRUE(ptr2[n] == n);
  }
  aligned_free(ptr2);
}

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TEST() [6/15]

TEST	(	aligned	,
		contents_same	)

Definition at line 59 of file aligned.cpp.

{
  unsigned char *ptr = (unsigned char*)aligned_malloc(50, 256);
  ASSERT_TRUE(ptr);
  for (int n = 0; n < 50; ++n)
    ptr[n] = n;
  unsigned char *ptr2 = (unsigned char*)aligned_realloc(ptr, 50, 256);
  for (int n = 0; n < 50; ++n)
  {
    ASSERT_TRUE(ptr2[n] == n);
  }
  aligned_free(ptr2);
}

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TEST() [7/15]

TEST	(	aligned	,
		contents_smaller	)

Definition at line 73 of file aligned.cpp.

{
  unsigned char *ptr = (unsigned char*)aligned_malloc(50, 256);
  ASSERT_TRUE(ptr);
  for (int n = 0; n < 50; ++n)
    ptr[n] = n;
  unsigned char *ptr2 = (unsigned char*)aligned_realloc(ptr, 49, 256);
  for (int n = 0; n < 49; ++n)
  {
    ASSERT_TRUE(ptr2[n] == n);
  }
  aligned_free(ptr2);
}

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TEST() [8/15]

TEST	(	aligned	,
		free_null	)

Definition at line 34 of file aligned.cpp.

{ aligned_free(NULL); }

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TEST() [9/15]

TEST	(	aligned	,
		large_null	)

Definition at line 33 of file aligned.cpp.

{ ASSERT_TRUE(aligned_malloc((size_t)-1, 1) == NULL); }

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TEST() [10/15]

TEST	(	aligned	,
		realloc_diff_align	)

Definition at line 40 of file aligned.cpp.

{ void *ptr = aligned_malloc(1, 4096); ASSERT_TRUE(!aligned_realloc(ptr, 1, 2048)); aligned_free(ptr); }

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TEST() [11/15]

TEST	(	aligned	,
		realloc_larger	)

Definition at line 42 of file aligned.cpp.

{ void *ptr = aligned_malloc(1, 4096), *ptr2 = aligned_realloc(ptr, 2, 4096); ASSERT_TRUE(ptr != ptr2); aligned_free(ptr2); }

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TEST() [12/15]

TEST	(	aligned	,
		realloc_null	)

Definition at line 39 of file aligned.cpp.

{ void *ptr = aligned_realloc(NULL, 1, 4096); ASSERT_TRUE(ptr && ((uintptr_t)ptr & 4095) == 0); aligned_free(ptr); }

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TEST() [13/15]

TEST	(	aligned	,
		realloc_same	)

Definition at line 41 of file aligned.cpp.

{ void *ptr = aligned_malloc(1, 4096), *ptr2 = aligned_realloc(ptr, 1, 4096); ASSERT_TRUE(ptr == ptr2); aligned_free(ptr2); }

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TEST() [14/15]

TEST	(	aligned	,
		realloc_zero	)

Definition at line 43 of file aligned.cpp.

{ void *ptr = aligned_malloc(1, 4096), *ptr2 = aligned_realloc(ptr, 0, 4096); ASSERT_TRUE(ptr && !ptr2); }

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TEST() [15/15]

TEST	(	aligned	,
		zero	)

Definition at line 35 of file aligned.cpp.

{ void *ptr = aligned_malloc(0, 1); ASSERT_TRUE(ptr); aligned_free(ptr); }

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