1 files changed, 57 insertions, 0 deletions
diff --git a/src/lib/test-backtrace.c b/src/lib/test-backtrace.c
new file mode 100644
index 0000000..fdebe0f
--- /dev/null
+++ b/src/lib/test-backtrace.c
@@ -0,0 +1,57 @@
+#include "test-lib.h"
+#include "str.h"
+#include "backtrace-string.h"
+
+static void test_backtrace_append(void)
+{
+	test_begin("backtrace_append");
+	string_t *bt = t_str_new(128);
+#if (defined(HAVE_LIBUNWIND))
+        test_assert(backtrace_append(bt) == 0);
+	/* Check that there's a usable function in the backtrace.
+	   Note that this function may be inlined, so don't check for
+	   test_backtrace_get() */
+	test_assert(strstr(str_c(bt), "test_backtrace") != NULL);
+	/* make sure the backtrace_append is not */
+	test_assert(strstr(str_c(bt), " backtrace_append") == NULL);
+#elif (defined(HAVE_BACKTRACE_SYMBOLS) && defined(HAVE_EXECINFO_H)) || \
+      (defined(HAVE_WALKCONTEXT) && defined(HAVE_UCONTEXT_H))
+	test_assert(backtrace_append(bt) == 0);
+	/* it should have some kind of main in it */
+	test_assert(strstr(str_c(bt), "main") != NULL);
+#else
+	/* should not work in this context */
+	test_assert(backtrace_append(bt) == -1);
+#endif
+	test_end();
+}
+
+static void test_backtrace_get(void)
+{
+	test_begin("backtrace_get");
+	const char *bt = NULL;
+#if (defined(HAVE_LIBUNWIND))
+        test_assert(backtrace_get(&bt) == 0);
+	/* Check that there's a usable function in the backtrace.
+	   Note that this function may be inlined, so don't check for
+	   test_backtrace_get() */
+        test_assert(strstr(bt, "test_backtrace") != NULL);
+	/* make sure the backtrace_get is not */
+	test_assert(strstr(bt, " backtrace_get") == NULL);
+#elif (defined(HAVE_BACKTRACE_SYMBOLS) && defined(HAVE_EXECINFO_H)) || \
+      (defined(HAVE_WALKCONTEXT) && defined(HAVE_UCONTEXT_H))
+	test_assert(backtrace_get(&bt) == 0);
+	/* it should have some kind of main in it */
+	test_assert(strstr(bt, "main") != NULL);
+#else
+	/* should not work in this context */
+	test_assert(backtrace_get(&bt) == -1);
+#endif
+	test_end();
+}
+
+void test_backtrace(void)
+{
+	test_backtrace_append();
+	test_backtrace_get();
+}