thodg/libgit2/tests/util/ftruncate.c

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• Hash : e6d93612
  Author :
  Date : 2021-11-16T23:59:43
  

  refactor: move utility tests into util

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• tests/util/ftruncate.c

• /**
   * Some tests for p_ftruncate() to ensure that
   * properly handles large (2Gb+) files.
   */
  
  #include "clar_libgit2.h"
  
  static const char *filename = "core_ftruncate.txt";
  static int fd = -1;
  
  void test_ftruncate__initialize(void)
  {
  	if (!cl_is_env_set("GITTEST_INVASIVE_FS_SIZE"))
  		cl_skip();
  
  	cl_must_pass((fd = p_open(filename, O_CREAT | O_RDWR, 0644)));
  }
  
  void test_ftruncate__cleanup(void)
  {
  	if (fd < 0)
  		return;
  
  	p_close(fd);
  	fd = 0;
  
  	p_unlink(filename);
  }
  
  static void _extend(off64_t i64len)
  {
  	struct stat st;
  	int error;
  
  	cl_assert((error = p_ftruncate(fd, i64len)) == 0);
  	cl_assert((error = p_fstat(fd, &st)) == 0);
  	cl_assert(st.st_size == i64len);
  }
  
  void test_ftruncate__2gb(void)
  {
  	_extend(0x80000001);
  }
  
  void test_ftruncate__4gb(void)
  {
  	_extend(0x100000001);
  }
  

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