Add unit test for resource pool.

libguac/tests/Makefile.am

@@ -51,6 +51,7 @@ test_libguac_SOURCES =           \
 	client/client_suite.c        \
 	client/buffer_pool.c         \
 	client/layer_pool.c          \
+	client/resource_pool.c       \
 	protocol/suite.c             \
 	protocol/instruction_read.c  \
 	protocol/instruction_write.c \

libguac/tests/client/client_suite.c

@@ -61,6 +61,7 @@ int register_client_suite() {
     if (
         CU_add_test(suite, "layer-pool", test_layer_pool) == NULL
      || CU_add_test(suite, "buffer-pool", test_buffer_pool) == NULL
+     || CU_add_test(suite, "resource-pool", test_resource_pool) == NULL
        ) {
         CU_cleanup_registry();
         return CU_get_error();

libguac/tests/client/client_suite.h

@@ -42,6 +42,7 @@ int register_client_suite();
 
 void test_layer_pool();
 void test_buffer_pool();
+void test_resource_pool();
 
 #endif
 

libguac/tests/client/resource_pool.c

@@ -0,0 +1,139 @@
+
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is libguac.
+ *
+ * The Initial Developer of the Original Code is
+ * Michael Jumper.
+ * Portions created by the Initial Developer are Copyright (C) 2010
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+#include <CUnit/Basic.h>
+
+#include "client.h"
+#include "client_suite.h"
+
+void test_resource_pool() {
+
+    guac_client* client;
+    guac_resource* resource0;
+    guac_resource* resource1;
+    guac_resource* resource2;
+
+    /* Get client */
+    client = guac_client_alloc();
+    CU_ASSERT_PTR_NOT_NULL_FATAL(client);
+
+    /*
+     * POOL:   [ EMPTY         ]
+     * IN USE: [ NONE          ]
+     */
+
+    /* First resource should be resource 0 */
+    resource0 = guac_client_alloc_resource(client);
+    CU_ASSERT_PTR_NOT_NULL_FATAL(resource0);
+    CU_ASSERT_EQUAL_FATAL(0, resource0->index);
+
+    /*
+     * POOL:   [ EMPTY         ]
+     * IN USE: [ 0             ]
+     */
+
+    /* Put 0 back in pool (1) */
+    guac_client_free_resource(client, resource0);
+
+    /*
+     * POOL:   [ 0             ]
+     * IN USE: [ NONE          ]
+     */
+
+    /* Since we free'd 0, we should get 0 again here (1) */
+    resource0 = guac_client_alloc_resource(client);
+    CU_ASSERT_PTR_NOT_NULL_FATAL(resource0);
+    CU_ASSERT_EQUAL_FATAL(0, resource0->index);
+
+    /*
+     * POOL:   [ EMPTY         ]
+     * IN USE: [ 0             ]
+     */
+
+    /* We should get a new resource here */
+    resource1 = guac_client_alloc_resource(client);
+    CU_ASSERT_PTR_NOT_NULL_FATAL(resource1);
+    CU_ASSERT_EQUAL_FATAL(1, resource1->index);
+
+    /*
+     * POOL:   [ EMPTY         ]
+     * IN USE: [ 0 1           ]
+     */
+
+    /* Put 0 back in pool (2) */
+    guac_client_free_resource(client, resource0);
+
+    /*
+     * POOL:   [ 0             ]
+     * IN USE: [ 1             ]
+     */
+
+    /* Since we free'd 0, we should get 0 again here (2) */
+    resource0 = guac_client_alloc_resource(client);
+    CU_ASSERT_PTR_NOT_NULL_FATAL(resource0);
+    CU_ASSERT_EQUAL_FATAL(0, resource0->index);
+
+    /*
+     * POOL:   [ EMPTY         ]
+     * IN USE: [ 0 1           ]
+     */
+
+    /* We should get a new resource here */
+    resource2 = guac_client_alloc_resource(client);
+    CU_ASSERT_PTR_NOT_NULL_FATAL(resource2);
+    CU_ASSERT_EQUAL_FATAL(2, resource2->index);
+
+    /*
+     * POOL:   [ EMPTY         ]
+     * IN USE: [ 0 1 2         ]
+     */
+
+    /* Free all resources */
+    guac_client_free_resource(client, resource2);
+    guac_client_free_resource(client, resource1);
+    guac_client_free_resource(client, resource0);
+
+    /*
+     * POOL:   [ 0 1 2         ]
+     * IN USE: [ EMPTY         ]
+     */
+
+    /* Free client */
+    guac_client_free(client);
+
+}
+