--- /dev/null
+/*
+ * test_ir_visit.c
+ *
+ * CTF IR visitor interface test
+ *
+ * Copyright 2016 - Jérémie Galarneau <jeremie.galarneau@efficios.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; under version 2 of the License.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "tap/tap.h"
+#include <babeltrace/ctf-ir/event-class.h>
+#include <babeltrace/ctf-ir/field-types.h>
+#include <babeltrace/ctf-ir/stream-class.h>
+#include <babeltrace/ctf-ir/trace.h>
+#include <babeltrace/ctf-ir/visitor.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define NR_TESTS 13
+
+struct visitor_state {
+ int i;
+};
+
+struct expected_result {
+ const char *element_name;
+ enum bt_ctf_ir_type element_type;
+};
+
+struct expected_result expected_results[] = {
+ { NULL, BT_CTF_IR_TYPE_TRACE },
+ { "sc1", BT_CTF_IR_TYPE_STREAM_CLASS },
+ { "ec1", BT_CTF_IR_TYPE_EVENT_CLASS },
+ { "sc2", BT_CTF_IR_TYPE_STREAM_CLASS },
+ { "ec2", BT_CTF_IR_TYPE_EVENT_CLASS },
+ { "ec3", BT_CTF_IR_TYPE_EVENT_CLASS },
+};
+
+const char *element_type_str(enum bt_ctf_ir_type type)
+{
+ switch (type) {
+ case BT_CTF_IR_TYPE_TRACE:
+ return "trace";
+ case BT_CTF_IR_TYPE_STREAM_CLASS:
+ return "stream class";
+ case BT_CTF_IR_TYPE_STREAM:
+ return "stream";
+ case BT_CTF_IR_TYPE_EVENT_CLASS:
+ return "event class";
+ case BT_CTF_IR_TYPE_EVENT:
+ return "event";
+ default:
+ return "unknown";
+ }
+}
+
+struct bt_ctf_event_class *init_event_class(const char *name)
+{
+ int ret;
+ struct bt_ctf_event_class *ec = bt_ctf_event_class_create(name);
+ struct bt_ctf_field_type *int_field =
+ bt_ctf_field_type_integer_create(8);
+
+ if (!ec || !int_field) {
+ goto error;
+ }
+
+ ret = bt_ctf_event_class_add_field(ec, int_field, "an_int_field");
+ if (ret) {
+ goto error;
+ }
+
+ BT_PUT(int_field);
+ return ec;
+error:
+ BT_PUT(ec);
+ BT_PUT(int_field);
+ return NULL;
+}
+
+struct bt_ctf_trace *init_trace(void)
+{
+ int ret;
+ struct bt_ctf_trace *trace = bt_ctf_trace_create();
+ struct bt_ctf_stream_class *sc1 = bt_ctf_stream_class_create("sc1");
+ struct bt_ctf_stream_class *sc2 = bt_ctf_stream_class_create("sc2");
+ struct bt_ctf_event_class *ec1 = init_event_class("ec1");
+ struct bt_ctf_event_class *ec2 = init_event_class("ec2");
+ struct bt_ctf_event_class *ec3 = init_event_class("ec3");
+
+ if (!trace || !sc1 || !sc2 || !ec1 || !ec2 || !ec3) {
+ goto end;
+ }
+
+ ret = bt_ctf_stream_class_add_event_class(sc1, ec1);
+ if (ret) {
+ goto error;
+ }
+
+ ret = bt_ctf_stream_class_add_event_class(sc2, ec2);
+ if (ret) {
+ goto error;
+ }
+
+ ret = bt_ctf_stream_class_add_event_class(sc2, ec3);
+ if (ret) {
+ goto error;
+ }
+
+ ret = bt_ctf_trace_add_stream_class(trace, sc1);
+ if (ret) {
+ goto error;
+ }
+
+ ret = bt_ctf_trace_add_stream_class(trace, sc2);
+ if (ret) {
+ goto error;
+ }
+end:
+ BT_PUT(sc1);
+ BT_PUT(sc2);
+ BT_PUT(ec1);
+ BT_PUT(ec2);
+ BT_PUT(ec3);
+ return trace;
+error:
+ BT_PUT(trace);
+ goto end;
+}
+
+int visitor(struct bt_ctf_ir_element *element, void *data)
+{
+ int ret = 0;
+ bool names_match;
+ const char *element_name;
+ struct visitor_state *state = data;
+ struct expected_result *expected = &expected_results[state->i++];
+
+ switch (bt_ctf_ir_element_get_type(element)) {
+ case BT_CTF_IR_TYPE_TRACE:
+ element_name = NULL;
+ names_match = expected->element_name == NULL;
+ break;
+ case BT_CTF_IR_TYPE_STREAM_CLASS:
+ element_name = bt_ctf_stream_class_get_name(
+ bt_ctf_ir_element_get_element(element));
+ if (!element_name) {
+ ret = -1;
+ goto end;
+ }
+
+ names_match = !strcmp(element_name, expected->element_name);
+ break;
+ case BT_CTF_IR_TYPE_EVENT_CLASS:
+ element_name = bt_ctf_event_class_get_name(
+ bt_ctf_ir_element_get_element(element));
+ if (!element_name) {
+ ret = -1;
+ goto end;
+ }
+
+ names_match = !strcmp(element_name, expected->element_name);
+ break;
+ default:
+ diag("Encountered an unexpected type while visiting trace");
+ ret = -1;
+ goto end;
+ }
+
+ ok(expected->element_type == bt_ctf_ir_element_get_type(element),
+ "Encoutered element type %s, expected %s",
+ element_type_str(expected->element_type),
+ element_type_str(bt_ctf_ir_element_get_type(element)));
+ ok(names_match, "Element name is %s, expected %s",
+ element_name ? : "NULL",
+ expected->element_name ? : "NULL");
+end:
+ return ret;
+}
+
+int main(int argc, char **argv)
+{
+ int ret;
+ struct bt_ctf_trace *trace;
+ struct visitor_state state = { 0 };
+
+ plan_tests(NR_TESTS);
+
+ /*
+ * Initialize a reference trace which we'll walk using the
+ * bt_ctf_*_visit() interface.
+ */
+ trace = init_trace();
+ if (!trace) {
+ diag("Failed to initialize reference trace, aborting.");
+ exit(-1);
+ }
+
+ ret = bt_ctf_trace_visit(trace, visitor, &state);
+ ok(!ret, "bt_ctf_trace_visit returned success");
+
+ BT_PUT(trace);
+ return exit_status();
+}
+
projects / babeltrace.git / commitdiff
