refactor: `tests` is now `tests/libgit2`

Like we want to separate libgit2 and utility source code, we want to
separate libgit2 and utility tests.  Start by moving all the tests into
libgit2.

2 files changed, 258 insertions, 0 deletions

diff --git a/tests/libgit2/trace/trace.c b/tests/libgit2/trace/trace.c
new file mode 100644
index 000000000..097208bff
--- /dev/null
+++ b/tests/libgit2/trace/trace.c
@@ -0,0 +1,106 @@
+#include "clar_libgit2.h"
+#include "clar_libgit2_trace.h"
+#include "trace.h"
+
+static int written = 0;
+
+static void trace_callback(git_trace_level_t level, const char *message)
+{
+	GIT_UNUSED(level);
+
+	cl_assert(strcmp(message, "Hello world!") == 0);
+
+	written = 1;
+}
+
+void test_trace_trace__initialize(void)
+{
+	/* If global tracing is enabled, disable for the duration of this test. */
+	cl_global_trace_disable();
+
+	git_trace_set(GIT_TRACE_INFO, trace_callback);
+	written = 0;
+}
+
+void test_trace_trace__cleanup(void)
+{
+	git_trace_set(GIT_TRACE_NONE, NULL);
+
+	/* If global tracing was enabled, restart it. */
+	cl_global_trace_register();
+}
+
+void test_trace_trace__sets(void)
+{
+#ifdef GIT_TRACE
+	cl_assert(git_trace_level() == GIT_TRACE_INFO);
+#else
+	cl_skip();
+#endif
+}
+
+void test_trace_trace__can_reset(void)
+{
+#ifdef GIT_TRACE
+	cl_assert(git_trace_level() == GIT_TRACE_INFO);
+	cl_git_pass(git_trace_set(GIT_TRACE_ERROR, trace_callback));
+
+	cl_assert(written == 0);
+	git_trace(GIT_TRACE_INFO, "Hello %s!", "world");
+	cl_assert(written == 0);
+
+	git_trace(GIT_TRACE_ERROR, "Hello %s!", "world");
+	cl_assert(written == 1);
+#else
+	cl_skip();
+#endif
+}
+
+void test_trace_trace__can_unset(void)
+{
+#ifdef GIT_TRACE
+	cl_assert(git_trace_level() == GIT_TRACE_INFO);
+	cl_git_pass(git_trace_set(GIT_TRACE_NONE, NULL));
+
+	cl_assert(git_trace_level() == GIT_TRACE_NONE);
+
+	cl_assert(written == 0);
+	git_trace(GIT_TRACE_FATAL, "Hello %s!", "world");
+	cl_assert(written == 0);
+#else
+	cl_skip();
+#endif
+}
+
+void test_trace_trace__skips_higher_level(void)
+{
+#ifdef GIT_TRACE
+	cl_assert(written == 0);
+	git_trace(GIT_TRACE_DEBUG, "Hello %s!", "world");
+	cl_assert(written == 0);
+#else
+	cl_skip();
+#endif
+}
+
+void test_trace_trace__writes(void)
+{
+#ifdef GIT_TRACE
+	cl_assert(written == 0);
+	git_trace(GIT_TRACE_INFO, "Hello %s!", "world");
+	cl_assert(written == 1);
+#else
+	cl_skip();
+#endif
+}
+
+void test_trace_trace__writes_lower_level(void)
+{
+#ifdef GIT_TRACE
+	cl_assert(written == 0);
+	git_trace(GIT_TRACE_ERROR, "Hello %s!", "world");
+	cl_assert(written == 1);
+#else
+	cl_skip();
+#endif
+}
diff --git a/tests/libgit2/trace/windows/stacktrace.c b/tests/libgit2/trace/windows/stacktrace.c
new file mode 100644
index 000000000..0a77ef99d
--- /dev/null
+++ b/tests/libgit2/trace/windows/stacktrace.c
@@ -0,0 +1,152 @@
+#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
+}