Function tests for libustcmd and a C tap library
[ust.git] / tests / ustcmd_function_tests / ustcmd_function_tests.c
diff --git a/tests/ustcmd_function_tests/ustcmd_function_tests.c b/tests/ustcmd_function_tests/ustcmd_function_tests.c
new file mode 100644 (file)
index 0000000..8a3376e
--- /dev/null
@@ -0,0 +1,183 @@
+/* Copyright (C) 2010 Nils Carlson
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+/* Simple function tests for ustcmd */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+#include <ust/marker.h>
+#include <ust/ustcmd.h>
+
+#include "tap.h"
+
+static void ustcmd_function_tests(pid_t pid)
+{
+       int result;
+       unsigned int subbuf_size, subbuf_num;
+       unsigned int new_subbuf_size, new_subbuf_num;
+       struct marker_status *marker_status, *ms_ptr;
+       char *old_socket_path, *new_socket_path;
+       char *tmp_ustd_socket = "/tmp/tmp_ustd_socket";
+
+       printf("Connecting to pid %d\n", pid);
+
+       /* marker status array functions */
+       result = ustcmd_get_cmsf(&marker_status, pid);
+       tap_ok(!result, "ustcmd_get_cmsf");
+
+       result = 0;
+       for (ms_ptr = marker_status; ms_ptr->channel; ms_ptr++) {
+               if (!strcmp(ms_ptr->channel, "ust") &&
+                   !strcmp(ms_ptr->marker, "bar")) {
+                       result = 1;
+               }
+       }
+       tap_ok(result, "Found channel \"ust\", marker \"bar\"");
+
+       tap_ok(!ustcmd_free_cmsf(marker_status), "ustcmd_free_cmsf");
+
+       /* Get and set the socket path */
+       tap_ok(!ustcmd_get_sock_path(&old_socket_path, pid),
+              "ustcmd_get_sock_path");
+
+       printf("Socket path: %s\n", old_socket_path);
+
+       tap_ok(!ustcmd_set_sock_path(tmp_ustd_socket, pid),
+              "ustcmd_set_sock_path - set a new path");
+
+       tap_ok(!ustcmd_get_sock_path(&new_socket_path, pid),
+              "ustcmd_get_sock_path - get the new path");
+
+       tap_ok(!strcmp(new_socket_path, tmp_ustd_socket),
+              "Compare the set path and the retrieved path");
+
+       free(new_socket_path);
+
+       tap_ok(!ustcmd_set_sock_path(old_socket_path, pid),
+              "Reset the socket path");
+
+       free(old_socket_path);
+
+       /* Enable, disable markers */
+       tap_ok(!ustcmd_set_marker_state("ust", "bar", 1, pid),
+              "ustcmd_set_marker_state - existing marker ust bar");
+
+       /* Create and allocate a trace */
+       tap_ok(!ustcmd_create_trace(pid), "ustcmd_create_trace");
+
+       tap_ok(!ustcmd_alloc_trace(pid), "ustcmd_alloc_trace");
+
+       /* Get subbuf size and number */
+       subbuf_num = ustcmd_get_subbuf_num("ust", pid);
+       tap_ok(subbuf_num > 0, "ustcmd_get_subbuf_num - %d sub-buffers",
+              subbuf_num);
+
+       subbuf_size = ustcmd_get_subbuf_size("ust", pid);
+       tap_ok(subbuf_size, "ustcmd_get_subbuf_size - sub-buffer size is %d",
+              subbuf_size);
+
+       /* Start the trace */
+       tap_ok(!ustcmd_start_trace(pid), "ustcmd_start_trace");
+
+
+       /* Stop the trace and destroy it*/
+       tap_ok(!ustcmd_stop_trace(pid), "ustcmd_stop_trace");
+
+       tap_ok(!ustcmd_destroy_trace(pid), "ustcmd_destroy_trace");
+
+       /* Create a new trace */
+       tap_ok(!ustcmd_create_trace(pid), "ustcmd_create_trace - create a new trace");
+
+       printf("Setting new subbufer number and sizes (doubling)\n");
+       new_subbuf_num = 2 * subbuf_num;
+       new_subbuf_size = 2 * subbuf_size;
+
+       tap_ok(!ustcmd_set_subbuf_num("ust", new_subbuf_num, pid),
+              "ustcmd_set_subbuf_num");
+
+       tap_ok(!ustcmd_set_subbuf_size("ust", new_subbuf_size, pid),
+              "ustcmd_set_subbuf_size");
+
+
+       /* Allocate the new trace */
+       tap_ok(!ustcmd_alloc_trace(pid), "ustcmd_alloc_trace - allocate the new trace");
+
+
+        /* Get subbuf size and number and compare with what was set */
+       subbuf_num = ustcmd_get_subbuf_num("ust", pid);
+
+       subbuf_size = ustcmd_get_subbuf_size("ust", pid);
+
+       tap_ok(subbuf_num == new_subbuf_num, "Set a new subbuf number, %d == %d",
+              subbuf_num, new_subbuf_num);
+
+
+       result = ustcmd_get_subbuf_size("ust", pid);
+       tap_ok(subbuf_size == new_subbuf_size, "Set a new subbuf size, %d == %d",
+              subbuf_size, new_subbuf_size);
+
+       tap_ok(!ustcmd_destroy_trace(pid), "ustcmd_destroy_trace - without ever starting");
+
+
+       printf("##### Tests that definetly should work are completed #####\n");
+       printf("############## Start expected failure cases ##############\n");
+
+       tap_ok(ustcmd_set_marker_state("ust","bar", 1, pid),
+              "Enable already enabled marker ust/bar");
+
+       tap_ok(ustcmd_set_marker_state("ustl", "blar", 1, pid),
+              "Enable non-existent marker ustl blar");
+
+       tap_ok(ustcmd_start_trace(pid),
+              "Start a non-existent trace");
+
+       tap_ok(ustcmd_destroy_trace(pid),
+              "Destroy non-existent trace");
+
+       exit(tap_status() ? EXIT_FAILURE : EXIT_SUCCESS);
+
+}
+
+
+int main()
+{
+       int i, status, pipefd[2];
+       pid_t parent_pid, child_pid;
+       FILE *pipe_file;
+
+       tap_plan(27);
+
+       printf("Function tests for ustcmd\n");
+
+       parent_pid = getpid();
+       child_pid = fork();
+       if (child_pid) {
+               for(i=0; i<10; i++) {
+                       trace_mark(ust, bar, "str %s", "FOOBAZ");
+                       trace_mark(ust, bar2, "number1 %d number2 %d", 53, 9800);
+                       usleep(100000);
+               }
+
+               wait(&status);
+       } else {
+               ustcmd_function_tests(parent_pid);
+       }
+
+       exit(status ? EXIT_FAILURE : EXIT_SUCCESS);
+}
This page took 0.024165 seconds and 4 git commands to generate.