tests: Add connection tests

tests/Makefile.am

@@ -1,8 +1,12 @@
 TESTS = $(check_PROGRAMS)
 
-check_PROGRAMS = array-test map-test
+
+check_PROGRAMS = array-test map-test connection-test
 
 map_test_SOURCES = map-test.c test-runner.c
 array_test_SOURCES = array-test.c test-runner.c
+connection_test_SOURCES = connection-test.c test-runner.c
+
+AM_CFLAGS = $(GCC_CFLAGS)
+LDADD = $(FFI_LIBS) $(top_builddir)/src/libwayland-util.la -lrt
 
-LDADD = $(top_builddir)/src/libwayland-util.la

tests/connection-test.c

@@ -0,0 +1,139 @@
+/*
+ * Copyright © 2012 Intel Corporation
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that copyright
+ * notice and this permission notice appear in supporting documentation, and
+ * that the name of the copyright holders not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  The copyright holders make no representations
+ * about the suitability of this software for any purpose.  It is provided "as
+ * is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, 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.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include "../src/wayland-private.h"
+#include "test-runner.h"
+
+static const char message[] = "Hello, world";
+
+static int
+update_func(struct wl_connection *connection, uint32_t mask, void *data)
+{
+	uint32_t *m = data;
+
+	*m = mask;
+
+	return 0;
+}
+
+static struct wl_connection *
+setup(int *s, uint32_t *mask)
+{
+	struct wl_connection *connection;
+
+	assert(socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC, 0, s) == 0);
+
+	connection = wl_connection_create(s[0], update_func, mask);
+	assert(connection);
+	assert(*mask == WL_CONNECTION_READABLE);
+
+	return connection;
+}
+
+TEST(connection_create)
+{
+	struct wl_connection *connection;
+	int s[2];
+	uint32_t mask;
+
+	connection = setup(s, &mask);
+	wl_connection_destroy(connection);
+	close(s[1]);
+}
+
+TEST(connection_write)
+{
+	struct wl_connection *connection;
+	int s[2];
+	uint32_t mask;
+	char buffer[64];
+
+	connection = setup(s, &mask);
+
+	assert(wl_connection_write(connection, message, sizeof message) == 0);
+	assert(mask == (WL_CONNECTION_WRITABLE | WL_CONNECTION_READABLE));
+	assert(wl_connection_data(connection, WL_CONNECTION_WRITABLE) == 0);
+	assert(mask == WL_CONNECTION_READABLE);
+	assert(read(s[1], buffer, sizeof buffer) == sizeof message);
+	assert(memcmp(message, buffer, sizeof message) == 0);
+
+	wl_connection_destroy(connection);
+	close(s[1]);
+}
+
+TEST(connection_data)
+{
+	struct wl_connection *connection;
+	int s[2];
+	uint32_t mask;
+	char buffer[64];
+
+	connection = setup(s, &mask);
+
+	assert(write(s[1], message, sizeof message) == sizeof message);
+	assert(mask == WL_CONNECTION_READABLE);
+	assert(wl_connection_data(connection, WL_CONNECTION_READABLE) == 
+	       sizeof message);
+	wl_connection_copy(connection, buffer, sizeof message);
+	assert(memcmp(message, buffer, sizeof message) == 0);
+	wl_connection_consume(connection, sizeof message);
+
+	wl_connection_destroy(connection);
+	close(s[1]);
+}
+
+TEST(connection_queue)
+{
+	struct wl_connection *connection;
+	int s[2];
+	uint32_t mask;
+	char buffer[64];
+
+	connection = setup(s, &mask);
+
+	/* Test that wl_connection_queue() puts data in the output
+	 * buffer without asking for WL_CONNECTION_WRITABLE.  Verify
+	 * that the data did get in the buffer by writing another
+	 * message and making sure that we receive the two messages on
+	 * the other fd. */
+
+	assert(wl_connection_queue(connection, message, sizeof message) == 0);
+	assert(mask == WL_CONNECTION_READABLE);
+	assert(wl_connection_write(connection, message, sizeof message) == 0);
+	assert(mask == (WL_CONNECTION_WRITABLE | WL_CONNECTION_READABLE));
+	assert(wl_connection_data(connection, WL_CONNECTION_WRITABLE) == 0);
+	assert(mask == WL_CONNECTION_READABLE);
+	assert(read(s[1], buffer, sizeof buffer) == 2 * sizeof message);
+	assert(memcmp(message, buffer, sizeof message) == 0);
+	assert(memcmp(message, buffer + sizeof message, sizeof message) == 0);
+
+	wl_connection_destroy(connection);
+	close(s[1]);
+}