Index: uspace/app/tester/Makefile
===================================================================
--- uspace/app/tester/Makefile	(revision 27bdfa5c68b9ca4622a6409c5b598b7e63c8becf)
+++ uspace/app/tester/Makefile	(revision 969585f91e912d72b71cfd6d44243c9504d8d795)
@@ -54,4 +54,5 @@
 	mm/malloc1.c \
 	mm/mapping1.c \
+	devs/devman1.c \
 	hw/misc/virtchar1.c \
 	hw/serial/serial1.c
Index: uspace/app/tester/devs/devman1.c
===================================================================
--- uspace/app/tester/devs/devman1.c	(revision 969585f91e912d72b71cfd6d44243c9504d8d795)
+++ uspace/app/tester/devs/devman1.c	(revision 969585f91e912d72b71cfd6d44243c9504d8d795)
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2011 Vojtech Horky
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/** @addtogroup tester
+ * @brief Test devman service.
+ * @{
+ */
+/**
+ * @file
+ */
+
+#include <inttypes.h>
+#include <errno.h>
+#include <str_error.h>
+#include <sys/types.h>
+#include <async.h>
+#include <devman.h>
+#include <str.h>
+#include <vfs/vfs.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include "../tester.h"
+
+#define DEVICE_PATH_NORMAL "/virt/null/a"
+#define DEVICE_CLASS "virt-null"
+#define DEVICE_CLASS_NAME "1"
+#define DEVICE_PATH_CLASSES DEVICE_CLASS "/" DEVICE_CLASS_NAME
+
+const char *test_devman1(void)
+{
+	devman_handle_t handle_primary;
+	devman_handle_t handle_class;
+	
+	int rc;
+	
+	TPRINTF("Asking for handle of `%s'...\n", DEVICE_PATH_NORMAL);
+	rc = devman_device_get_handle(DEVICE_PATH_NORMAL, &handle_primary, 0);
+	if (rc != EOK) {
+		TPRINTF(" ...failed: %s.\n", str_error(rc));
+		if (rc == ENOENT) {
+			TPRINTF("Have you compiled the test drivers?\n");
+		}
+		return "Failed getting device handle";
+	}
+
+	TPRINTF("Asking for handle of `%s' by class..\n", DEVICE_PATH_CLASSES);
+	rc = devman_device_get_handle_by_class(DEVICE_CLASS, DEVICE_CLASS_NAME,
+	    &handle_class, 0);
+	if (rc != EOK) {
+		TPRINTF(" ...failed: %s.\n", str_error(rc));
+		return "Failed getting device class handle";
+	}
+
+	TPRINTF("Received handles %" PRIun " and %" PRIun ".\n",
+	    handle_primary, handle_class);
+	if (handle_primary != handle_class) {
+		return "Retrieved different handles for the same device";
+	}
+
+	return NULL;
+}
+
+/** @}
+ */
Index: uspace/app/tester/devs/devman1.def
===================================================================
--- uspace/app/tester/devs/devman1.def	(revision 969585f91e912d72b71cfd6d44243c9504d8d795)
+++ uspace/app/tester/devs/devman1.def	(revision 969585f91e912d72b71cfd6d44243c9504d8d795)
@@ -0,0 +1,6 @@
+{
+	"devman1",
+	"devman test",
+	&test_devman1,
+	false
+},
Index: uspace/app/tester/tester.c
===================================================================
--- uspace/app/tester/tester.c	(revision 27bdfa5c68b9ca4622a6409c5b598b7e63c8becf)
+++ uspace/app/tester/tester.c	(revision 969585f91e912d72b71cfd6d44243c9504d8d795)
@@ -66,4 +66,5 @@
 #include "adt/usbaddrkeep.def"
 #include "hw/misc/virtchar1.def"
+#include "devs/devman1.def"
 	{NULL, NULL, NULL, false}
 };
Index: uspace/app/tester/tester.h
===================================================================
--- uspace/app/tester/tester.h	(revision 27bdfa5c68b9ca4622a6409c5b598b7e63c8becf)
+++ uspace/app/tester/tester.h	(revision 969585f91e912d72b71cfd6d44243c9504d8d795)
@@ -82,4 +82,5 @@
 extern const char *test_usbaddrkeep(void);
 extern const char *test_virtchar1(void);
+extern const char *test_devman1(void);
 
 extern test_t tests[];