1 files changed, 87 insertions, 0 deletions
diff --git a/tests/trace/trace.c b/tests/trace/trace.c
new file mode 100644
index 000000000..87b325378
--- /dev/null
+++ b/tests/trace/trace.c
@@ -0,0 +1,87 @@
+#include "clar_libgit2.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)
+{
+	git_trace_set(GIT_TRACE_INFO, trace_callback);
+	written = 0;
+}
+
+void test_trace_trace__cleanup(void)
+{
+	git_trace_set(GIT_TRACE_NONE, NULL);
+}
+
+void test_trace_trace__sets(void)
+{
+#ifdef GIT_TRACE
+	cl_assert(git_trace_level() == GIT_TRACE_INFO);
+#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);
+#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);
+#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);
+#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);
+#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);
+#endif
+}