drm: Add tests for GEM_FLINK ioctl.

.gitignore

@@ -59,6 +59,7 @@ tests/getstats
 tests/getversion
 tests/lock
 tests/gem_basic
+tests/gem_flink
 tests/gem_mmap
 tests/gem_readwrite
 tests/openclose

tests/Makefile.am

@@ -24,6 +24,7 @@ TESTS = auth \
 	setversion \
 	updatedraw \
 	gem_basic \
+	gem_flink \
 	gem_readwrite \
 	gem_mmap
 

tests/gem_flink.c

@@ -0,0 +1,128 @@
+/*
+ * Copyright © 2008 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Eric Anholt <eric@anholt.net>
+ *
+ */
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <assert.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <errno.h>
+#include <sys/stat.h>
+#include "drm.h"
+#include "i915_drm.h"
+
+static void
+test_flink(int fd)
+{
+	struct drm_i915_gem_create create;
+	struct drm_gem_flink flink;
+	struct drm_gem_open open;
+	int ret;
+
+	printf("Testing flink and open.\n");
+
+	memset(&create, 0, sizeof(create));
+	create.size = 16 * 1024;
+	ret = ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create);
+	assert(ret == 0);
+
+	flink.handle = create.handle;
+	ret = ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink);
+	assert(ret == 0);
+
+	open.name = flink.name;
+	ret = ioctl(fd, DRM_IOCTL_GEM_OPEN, &open);
+	assert(ret == 0);
+	assert(open.handle != 0);
+}
+
+static void
+test_double_flink(int fd)
+{
+	struct drm_i915_gem_create create;
+	struct drm_gem_flink flink;
+	struct drm_gem_flink flink2;
+	int ret;
+
+	printf("Testing repeated flink.\n");
+
+	memset(&create, 0, sizeof(create));
+	create.size = 16 * 1024;
+	ret = ioctl(fd, DRM_IOCTL_I915_GEM_CREATE, &create);
+	assert(ret == 0);
+
+	flink.handle = create.handle;
+	ret = ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink);
+	assert(ret == 0);
+
+	flink2.handle = create.handle;
+	ret = ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink2);
+	assert(ret == 0);
+	assert(flink2.name == flink.name);
+}
+
+static void
+test_bad_flink(int fd)
+{
+	struct drm_gem_flink flink;
+	int ret;
+
+	printf("Testing error return on bad flink ioctl.\n");
+
+	flink.handle = 0x10101010;
+	ret = ioctl(fd, DRM_IOCTL_GEM_FLINK, &flink);
+	assert(ret == -1 && errno == EBADF);
+}
+
+static void
+test_bad_open(int fd)
+{
+	struct drm_gem_open open;
+	int ret;
+
+	printf("Testing error return on bad open ioctl.\n");
+
+	open.name = 0x10101010;
+	ret = ioctl(fd, DRM_IOCTL_GEM_OPEN, &open);
+
+	assert(ret == -1 && errno == ENOENT);
+}
+
+int main(int argc, char **argv)
+{
+	int fd;
+
+	fd = drm_open_any();
+
+	test_flink(fd);
+	test_double_flink(fd);
+	test_bad_flink(fd);
+	test_bad_open(fd);
+
+	return 0;
+}