added missing upstream files

[tridge/bind9.git] / bin / tests / backtrace_test.c

diff --git a/bin/tests/backtrace_test.c b/bin/tests/backtrace_test.c
new file mode 100644 (file)
index 0000000..9253ca7
--- /dev/null
+++ b/bin/tests/backtrace_test.c
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2009  Internet Systems Consortium, Inc. ("ISC")
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+ * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: backtrace_test.c,v 1.4 2009/09/02 23:48:01 tbox Exp $ */
+
+#include <config.h>
+
+#include <stdio.h>
+#include <string.h>
+
+#include <isc/backtrace.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] getsymbol failed: %s\n", i,
+                                      isc_result_totext(result));
+                       }
+               }
+       }
+
+       return (error);
+}
+
+static int
+func2() {
+       return (func3());
+}
+
+static int
+func1() {
+       return (func2());
+}
+
+int
+main() {
+       return (func1());
+}