thodg/libgit2/tests/trace/windows/stacktrace.c

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• Hash : 8aed4629
  Author :
  Date : 2020-07-12T18:43:22
  

  cmake: rename MSVC_CRTDBG to WIN32_LEAKCHECK

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• tests/trace/windows/stacktrace.c

• #include "clar_libgit2.h"
  #include "win32/w32_leakcheck.h"
  
  #if defined(GIT_WIN32_LEAKCHECK)
  static void a(void)
  {
  	char buf[10000];
  
  	cl_assert(git_win32_leakcheck_stack(buf, sizeof(buf), 0, NULL, NULL) == 0);
  
  #if 0
  	fprintf(stderr, "Stacktrace from [%s:%d]:\n%s\n", __FILE__, __LINE__, buf);
  #endif
  }
  
  static void b(void)
  {
  	a();
  }
  
  static void c(void)
  {
  	b();
  }
  #endif
  
  void test_trace_windows_stacktrace__basic(void)
  {
  #if defined(GIT_WIN32_LEAKCHECK)
  	c();
  #endif
  }
  
  
  void test_trace_windows_stacktrace__leaks(void)
  {
  #if defined(GIT_WIN32_LEAKCHECK)
  	void * p1;
  	void * p2;
  	void * p3;
  	void * p4;
  	int before, after;
  	int leaks;
  	int error;
  
  	/* remember outstanding leaks due to set setup
  	 * and set mark/checkpoint.
  	 */
  	before = git_win32_leakcheck_stacktrace_dump(
  		GIT_WIN32_LEAKCHECK_STACKTRACE_QUIET |
  		GIT_WIN32_LEAKCHECK_STACKTRACE_LEAKS_TOTAL |
  		GIT_WIN32_LEAKCHECK_STACKTRACE_SET_MARK,
  		NULL);
  
  	p1 = git__malloc(5);
  	leaks = git_win32_leakcheck_stacktrace_dump(
  		GIT_WIN32_LEAKCHECK_STACKTRACE_QUIET |
  		GIT_WIN32_LEAKCHECK_STACKTRACE_LEAKS_SINCE_MARK,
  		"p1");
  	cl_assert_equal_i(1, leaks);
  
  	p2 = git__malloc(5);
  	leaks = git_win32_leakcheck_stacktrace_dump(
  		GIT_WIN32_LEAKCHECK_STACKTRACE_QUIET |
  		GIT_WIN32_LEAKCHECK_STACKTRACE_LEAKS_SINCE_MARK,
  		"p1,p2");
  	cl_assert_equal_i(2, leaks);
  
  	p3 = git__malloc(5);
  	leaks = git_win32_leakcheck_stacktrace_dump(
  		GIT_WIN32_LEAKCHECK_STACKTRACE_QUIET |
  		GIT_WIN32_LEAKCHECK_STACKTRACE_LEAKS_SINCE_MARK,
  		"p1,p2,p3");
  	cl_assert_equal_i(3, leaks);
  
  	git__free(p2);
  	leaks = git_win32_leakcheck_stacktrace_dump(
  		GIT_WIN32_LEAKCHECK_STACKTRACE_QUIET |
  		GIT_WIN32_LEAKCHECK_STACKTRACE_LEAKS_SINCE_MARK,
  		"p1,p3");
  	cl_assert_equal_i(2, leaks);
  
  	/* move the mark. only new leaks should appear afterwards */
  	error = git_win32_leakcheck_stacktrace_dump(
  		GIT_WIN32_LEAKCHECK_STACKTRACE_SET_MARK,
  		NULL);
  	/* cannot use cl_git_pass() since that may allocate memory. */
  	cl_assert_equal_i(0, error);
  
  	leaks = git_win32_leakcheck_stacktrace_dump(
  		GIT_WIN32_LEAKCHECK_STACKTRACE_QUIET |
  		GIT_WIN32_LEAKCHECK_STACKTRACE_LEAKS_SINCE_MARK,
  		"not_p1,not_p3");
  	cl_assert_equal_i(0, leaks);
  
  	p4 = git__malloc(5);
  	leaks = git_win32_leakcheck_stacktrace_dump(
  		GIT_WIN32_LEAKCHECK_STACKTRACE_QUIET |
  		GIT_WIN32_LEAKCHECK_STACKTRACE_LEAKS_SINCE_MARK,
  		"p4,not_p1,not_p3");
  	cl_assert_equal_i(1, leaks);
  
  	git__free(p1);
  	git__free(p3);
  	leaks = git_win32_leakcheck_stacktrace_dump(
  		GIT_WIN32_LEAKCHECK_STACKTRACE_QUIET |
  		GIT_WIN32_LEAKCHECK_STACKTRACE_LEAKS_SINCE_MARK,
  		"p4");
  	cl_assert_equal_i(1, leaks);
  
  	git__free(p4);
  	leaks = git_win32_leakcheck_stacktrace_dump(
  		GIT_WIN32_LEAKCHECK_STACKTRACE_QUIET |
  		GIT_WIN32_LEAKCHECK_STACKTRACE_LEAKS_SINCE_MARK,
  		"end");
  	cl_assert_equal_i(0, leaks);
  
  	/* confirm current absolute leaks count matches beginning value. */
  	after = git_win32_leakcheck_stacktrace_dump(
  		GIT_WIN32_LEAKCHECK_STACKTRACE_QUIET |
  		GIT_WIN32_LEAKCHECK_STACKTRACE_LEAKS_TOTAL,
  		"total");
  	cl_assert_equal_i(before, after);
  #endif
  }
  
  #if defined(GIT_WIN32_LEAKCHECK)
  static void aux_cb_alloc__1(unsigned int *aux_id)
  {
  	static unsigned int aux_counter = 0;
  
  	*aux_id = aux_counter++;
  }
  
  static void aux_cb_lookup__1(unsigned int aux_id, char *aux_msg, size_t aux_msg_len)
  {
  	p_snprintf(aux_msg, aux_msg_len, "\tQQ%08x\n", aux_id);
  }
  
  #endif
  
  void test_trace_windows_stacktrace__aux1(void)
  {
  #if defined(GIT_WIN32_LEAKCHECK)
  	git_win32_leakcheck_stack_set_aux_cb(aux_cb_alloc__1, aux_cb_lookup__1);
  	c();
  	c();
  	c();
  	c();
  	git_win32_leakcheck_stack_set_aux_cb(NULL, NULL);
  #endif
  }
  

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