thodg/libgit2/tests-clay/core/filebuf.c

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• Hash : b762e576
  Author :
  Date : 2011-11-17T15:10:27
  

  filebuf: add GIT_FILEBUF_INIT and protect multiple opens and cleanups Update all stack allocations of git_filebuf to use GIT_FILEBUF_INIT and make git_filebuf_open and git_filebuf_cleanup safe to be called multiple times on the same buffer. Signed-off-by: Vicent Marti <tanoku@gmail.com>

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• tests-clay/core/filebuf.c

• #include "clay_libgit2.h"
  #include "filebuf.h"
  
  /* make sure git_filebuf_open doesn't delete an existing lock */
  void test_core_filebuf__0(void)
  {
  	git_filebuf file = GIT_FILEBUF_INIT;
  	int fd;
  	char test[] = "test", testlock[] = "test.lock";
  
  	fd = p_creat(testlock, 0744);
  
  	cl_must_pass(fd);
  	cl_must_pass(p_close(fd));
  
  	cl_git_fail(git_filebuf_open(&file, test, 0));
  	cl_git_pass(git_futils_exists(testlock));
  
  	cl_must_pass(p_unlink(testlock));
  }
  
  
  /* make sure GIT_FILEBUF_APPEND works as expected */
  void test_core_filebuf__1(void)
  {
  	git_filebuf file = GIT_FILEBUF_INIT;
  	int fd;
  	char test[] = "test";
  
  	fd = p_creat(test, 0666);
  	cl_must_pass(fd);
  	cl_must_pass(p_write(fd, "libgit2 rocks\n", 14));
  	cl_must_pass(p_close(fd));
  
  	cl_git_pass(git_filebuf_open(&file, test, GIT_FILEBUF_APPEND));
  	cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks"));
  	cl_git_pass(git_filebuf_commit(&file, 0666));
  
  	cl_must_pass(p_unlink(test));
  }
  
  
  /* make sure git_filebuf_write writes large buffer correctly */
  void test_core_filebuf__2(void)
  {
  	git_filebuf file = GIT_FILEBUF_INIT;
  	char test[] = "test";
  	unsigned char buf[4096 * 4]; /* 2 * WRITE_BUFFER_SIZE */
  
  	memset(buf, 0xfe, sizeof(buf));
  
  	cl_git_pass(git_filebuf_open(&file, test, 0));
  	cl_git_pass(git_filebuf_write(&file, buf, sizeof(buf)));
  	cl_git_pass(git_filebuf_commit(&file, 0666));
  
  	cl_must_pass(p_unlink(test));
  }
  
  
  /* make sure git_filebuf_open won't reopen an open buffer */
  void test_core_filebuf__3(void)
  {
  	git_filebuf file = GIT_FILEBUF_INIT;
  	char test[] = "test";
  
  	cl_git_pass(git_filebuf_open(&file, test, 0));
  	cl_git_fail(git_filebuf_open(&file, test, 0));
  
  	git_filebuf_cleanup(&file);
  }
  
  
  /* make sure git_filebuf_cleanup clears the buffer */
  void test_core_filebuf__4(void)
  {
  	git_filebuf file = GIT_FILEBUF_INIT;
  	char test[] = "test";
  
  	cl_assert(file.buffer == NULL);
  
  	cl_git_pass(git_filebuf_open(&file, test, 0));
  	cl_assert(file.buffer != NULL);
  
  	git_filebuf_cleanup(&file);
  	cl_assert(file.buffer == NULL);
  }
  
  
  /* make sure git_filebuf_commit clears the buffer */
  void test_core_filebuf__5(void)
  {
  	git_filebuf file = GIT_FILEBUF_INIT;
  	char test[] = "test";
  
  	cl_assert(file.buffer == NULL);
  
  	cl_git_pass(git_filebuf_open(&file, test, 0));
  	cl_assert(file.buffer != NULL);
  	cl_git_pass(git_filebuf_printf(&file, "%s\n", "libgit2 rocks"));
  	cl_assert(file.buffer != NULL);
  
  	cl_git_pass(git_filebuf_commit(&file, 0666));
  	cl_assert(file.buffer == NULL);
  
  	cl_must_pass(p_unlink(test));
  }
  

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