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-rw-r--r--bin/tests/optional/backtrace_test.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/bin/tests/optional/backtrace_test.c b/bin/tests/optional/backtrace_test.c
new file mode 100644
index 0000000..2aa7979
--- /dev/null
+++ b/bin/tests/optional/backtrace_test.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, you can obtain one at https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+#include <stdio.h>
+#include <string.h>
+
+#include <isc/backtrace.h>
+#include <isc/print.h>
+#include <isc/result.h>
+
+const char *expected_symbols[] = { "func3", "func2", "func1", "main" };
+
+static int
+func3() {
+ void *tracebuf[16];
+ int i, nframes;
+ int error = 0;
+ const char *fname;
+ isc_result_t result;
+ unsigned long offset;
+
+ result = isc_backtrace_gettrace(tracebuf, 16, &nframes);
+ if (result != ISC_R_SUCCESS) {
+ printf("isc_backtrace_gettrace failed: %s\n",
+ isc_result_totext(result));
+ return (1);
+ }
+
+ if (nframes < 4) {
+ error++;
+ }
+
+ for (i = 0; i < 4 && i < nframes; i++) {
+ fname = NULL;
+ result = isc_backtrace_getsymbol(tracebuf[i], &fname, &offset);
+ if (result != ISC_R_SUCCESS) {
+ error++;
+ continue;
+ }
+ if (strcmp(fname, expected_symbols[i]) != 0) {
+ error++;
+ }
+ }
+
+ if (error) {
+ printf("Unexpected result:\n");
+ printf(" # of frames: %d (expected: at least 4)\n", nframes);
+ printf(" symbols:\n");
+ for (i = 0; i < nframes; i++) {
+ fname = NULL;
+ result = isc_backtrace_getsymbol(tracebuf[i], &fname,
+ &offset);
+ if (result == ISC_R_SUCCESS) {
+ printf(" [%d] %s\n", i, fname);
+ } else {
+ printf(" [%d] %p getsymbol failed: %s\n", i,
+ tracebuf[i], isc_result_totext(result));
+ }
+ }
+ }
+
+ return (error);
+}
+
+static int
+func2() {
+ return (func3());
+}
+
+static int
+func1() {
+ return (func2());
+}
+
+int
+main() {
+ return (func1());
+}