+static
+struct bt_ctf_event_class *create_minimal_event_class(void)
+{
+ struct bt_ctf_event_class *ec = NULL;
+ struct bt_ctf_field_type *int_ft = NULL;
+ int ret;
+
+ int_ft = bt_ctf_field_type_integer_create(23);
+ assert(int_ft);
+ ec = bt_ctf_event_class_create("minimal");
+ assert(ec);
+ ret = bt_ctf_event_class_add_field(ec, int_ft, "field");
+ assert(!ret);
+ BT_PUT(int_ft);
+
+ return ec;
+}
+
+static
+void test_create_writer_vs_non_writer_mode(void)
+{
+ int ret;
+ char trace_path[] = "/tmp/ctfwriter_XXXXXX";
+ const char *writer_stream_name = "writer stream instance";
+ struct bt_ctf_writer *writer = NULL;
+ struct bt_ctf_trace *writer_trace = NULL;
+ struct bt_ctf_stream_class *writer_sc = NULL;
+ struct bt_ctf_stream *writer_stream = NULL;
+ struct bt_ctf_stream *writer_stream2 = NULL;
+ struct bt_ctf_stream *packet_stream = NULL;
+ struct bt_ctf_trace *non_writer_trace = NULL;
+ struct bt_ctf_stream_class *non_writer_sc = NULL;
+ struct bt_ctf_stream *non_writer_stream = NULL;
+ struct bt_ctf_stream *non_writer_stream2 = NULL;
+ struct bt_ctf_event_class *writer_ec = NULL;
+ struct bt_ctf_event_class *non_writer_ec = NULL;
+ struct bt_ctf_event *event = NULL;
+ struct bt_ctf_event *event2 = NULL;
+ struct bt_ctf_field_type *empty_struct_ft = NULL;
+ struct bt_ctf_field *int_field = NULL;
+ struct bt_ctf_clock *writer_clock = NULL;
+ struct bt_ctf_clock_class *non_writer_clock_class = NULL;
+ struct bt_ctf_packet *packet = NULL;
+ struct bt_ctf_packet *packet2 = NULL;
+
+ if (!bt_mkdtemp(trace_path)) {
+ perror("# perror");
+ }
+
+ /* Create empty structure field type (event header) */
+ empty_struct_ft = bt_ctf_field_type_structure_create();
+ assert(empty_struct_ft);
+
+ /* Create writer, writer stream class, stream, and clock */
+ writer = bt_ctf_writer_create(trace_path);
+ assert(writer);
+ writer_trace = bt_ctf_writer_get_trace(writer);
+ ok(writer_trace, "bt_ctf_writer_get_trace() returns a trace");
+ writer_sc = bt_ctf_stream_class_create("writer_sc");
+ assert(writer_sc);
+ ret = bt_ctf_stream_class_set_event_header_type(writer_sc,
+ empty_struct_ft);
+ assert(!ret);
+ ret = bt_ctf_trace_add_stream_class(writer_trace, writer_sc);
+ assert(!ret);
+ writer_stream = bt_ctf_stream_create(writer_sc, writer_stream_name);
+ assert(writer_stream);
+ ok(!strcmp(bt_ctf_stream_get_name(writer_stream), writer_stream_name),
+ "bt_ctf_stream_get_name() returns the stream's name");
+ writer_clock = bt_ctf_clock_create("writer_clock");
+ assert(writer_clock);
+ ret = bt_ctf_writer_add_clock(writer, writer_clock);
+ assert(!ret);
+
+ /* Create non-writer trace, stream class, stream, and clock */
+ non_writer_trace = bt_ctf_trace_create();
+ assert(non_writer_trace);
+ non_writer_sc = bt_ctf_stream_class_create("nonwriter_sc");
+ assert(non_writer_sc);
+ ret = bt_ctf_stream_class_set_event_header_type(non_writer_sc,
+ empty_struct_ft);
+ assert(!ret);
+ ret = bt_ctf_trace_add_stream_class(non_writer_trace, non_writer_sc);
+ assert(!ret);
+ non_writer_stream = bt_ctf_stream_create(non_writer_sc, NULL);
+ assert(non_writer_stream);
+ non_writer_clock_class =
+ bt_ctf_clock_class_create("non_writer_clock_class");
+ assert(non_writer_clock_class);
+ ret = bt_ctf_trace_add_clock_class(non_writer_trace,
+ non_writer_clock_class);
+ assert(!ret);
+
+ /* Create event class and event */
+ writer_ec = create_minimal_event_class();
+ assert(writer_ec);
+ ret = bt_ctf_stream_class_add_event_class(writer_sc, writer_ec);
+ assert(!ret);
+ event = bt_ctf_event_create(writer_ec);
+ assert(event);
+ int_field = bt_ctf_event_get_payload_by_index(event, 0);
+ assert(int_field);
+ bt_ctf_field_unsigned_integer_set_value(int_field, 17);
+
+ /*
+ * Verify non-writer stream: it should be impossible to append
+ * an event to it.
+ */
+ ok(bt_ctf_stream_append_event(non_writer_stream, event),
+ "bt_ctf_stream_append_event() fails with a non-writer stream");
+
+ /*
+ * Verify writer stream: it should be possible to append an
+ * event to it.
+ */
+ ok(!bt_ctf_stream_append_event(writer_stream, event),
+ "bt_ctf_stream_append_event() succeeds with a writer stream");
+
+ /*
+ * It should be possible to create a packet from a non-writer
+ * stream, but not from a writer stream.
+ */
+ packet = bt_ctf_packet_create(writer_stream);
+ ok(!packet, "bt_ctf_packet_create() fails with a writer stream");
+ packet = bt_ctf_packet_create(non_writer_stream);
+ ok(packet, "bt_ctf_packet_create() succeeds with a non-writer stream");
+ packet_stream = bt_ctf_packet_get_stream(packet);
+ ok(packet_stream == non_writer_stream,
+ "bt_ctf_packet_get_stream() returns the correct stream");
+
+ /*
+ * It should not be possible to append an event associated to
+ * a stream to a different stream.
+ */
+ writer_stream2 = bt_ctf_stream_create(writer_sc, "zoo");
+ assert(writer_stream2);
+ ok(bt_ctf_stream_append_event(writer_stream2, event),
+ "bt_ctf_stream_append_event() fails with an event associated to another stream");
+
+ /*
+ * It should not be possible to set the packet of an event
+ * associated to a given stream to a packet associated with
+ * a different stream.
+ */
+ ok(bt_ctf_event_set_packet(event, packet),
+ "bt_ctf_event_set_packet() fails with a packet not sharing the event's stream");
+
+ /*
+ * It should be possible to set the packet of a fresh event, as
+ * long as the originating stream classes are the same.
+ */
+ event2 = bt_ctf_event_create(writer_ec);
+ assert(event2);
+ ok(bt_ctf_event_set_packet(event2, packet),
+ "bt_ctf_event_set_packet() fails when the event's and the packet's stream class differ");
+ non_writer_ec = create_minimal_event_class();
+ assert(non_writer_ec);
+ ret = bt_ctf_stream_class_add_event_class(non_writer_sc, non_writer_ec);
+ assert(!ret);
+ BT_PUT(event2);
+ event2 = bt_ctf_event_create(non_writer_ec);
+ assert(event2);
+ ok(!bt_ctf_event_set_packet(event2, packet),
+ "bt_ctf_event_set_packet() succeeds when the event's and the packet's stream class are the same");
+
+ /*
+ * It should be possible to set a packet created from the same
+ * stream to an event with an existing packet.
+ */
+ packet2 = bt_ctf_packet_create(non_writer_stream);
+ assert(packet2);
+ ok(!bt_ctf_event_set_packet(event2, packet2),
+ "bt_ctf_event_set_packet() succeeds when the event's current packet has the same stream");
+ BT_PUT(packet2);
+
+ /*
+ * It should not be possible to set a packet created from a
+ * different stream to an event with an existing packet.
+ */
+ non_writer_stream2 = bt_ctf_stream_create(non_writer_sc, "rj45");
+ assert(non_writer_stream2);
+ packet2 = bt_ctf_packet_create(non_writer_stream);
+ assert(packet2);
+ ok(!bt_ctf_event_set_packet(event2, packet2),
+ "bt_ctf_event_set_packet() fails when the event's current packet does not have the same stream");
+
+ bt_put(writer);
+ bt_put(writer_trace);
+ bt_put(writer_sc);
+ bt_put(writer_stream);
+ bt_put(writer_stream2);
+ bt_put(non_writer_trace);
+ bt_put(non_writer_sc);
+ bt_put(non_writer_stream);
+ bt_put(non_writer_stream2);
+ bt_put(packet_stream);
+ bt_put(writer_ec);
+ bt_put(non_writer_ec);
+ bt_put(event);
+ bt_put(event2);
+ bt_put(int_field);
+ bt_put(empty_struct_ft);
+ bt_put(writer_clock);
+ bt_put(non_writer_clock_class);
+ bt_put(packet);
+ bt_put(packet2);
+ recursive_rmdir(trace_path);
+}
+
+static
+void test_clock_utils(void)
+{
+ int ret;
+ struct bt_ctf_clock *clock = NULL;
+
+ clock = bt_ctf_clock_create("water");
+ assert(clock);
+ ret = bt_ctf_clock_set_offset_s(clock, 1234);
+ assert(!ret);
+ ret = bt_ctf_clock_set_offset(clock, 1000);
+ assert(!ret);
+ ret = bt_ctf_clock_set_frequency(clock, 1000000000);
+ assert(!ret);
+ ret = bt_ctf_clock_set_frequency(clock, 1534);
+ assert(!ret);
+
+ BT_PUT(clock);
+}
+
+void test_set_clock_non_writer_stream_class(void)
+{
+ struct bt_ctf_clock *clock;
+ struct bt_ctf_trace *trace;
+ struct bt_ctf_stream_class *sc;
+ int ret;
+
+ clock = bt_ctf_clock_create("the_clock");
+ assert(clock);
+
+ trace = bt_ctf_trace_create();
+ assert(trace);
+
+ sc = bt_ctf_stream_class_create(NULL);
+ assert(sc);
+
+ ret = bt_ctf_stream_class_set_clock(sc, clock);
+ assert(ret == 0);
+
+ ret = bt_ctf_trace_add_stream_class(trace, sc);
+ ok(ret < 0,
+ "bt_ctf_trace_add_stream_class() fails with a stream class with a registered clock");
+
+ bt_put(clock);
+ bt_put(trace);
+ bt_put(sc);
+}
+