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diff --git a/test/rt/source/test/rt_test_sequence_007.c b/test/rt/source/test/rt_test_sequence_007.c
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+/*
+    ChibiOS - Copyright (C) 2006..2017 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+#include "hal.h"
+#include "ch_test.h"
+#include "rt_test_root.h"
+
+/**
+ * @file    rt_test_sequence_007.c
+ * @brief   Test Sequence 007 code.
+ *
+ * @page rt_test_sequence_007 [7] Synchronous Messages
+ *
+ * File: @ref rt_test_sequence_007.c
+ *
+ * <h2>Description</h2>
+ * This module implements the test sequence for the Synchronous
+ * Messages subsystem.
+ *
+ * <h2>Conditions</h2>
+ * This sequence is only executed if the following preprocessor condition
+ * evaluates to true:
+ * - CH_CFG_USE_MESSAGES
+ * .
+ *
+ * <h2>Test Cases</h2>
+ * - @subpage rt_test_007_001
+ * .
+ */
+
+#if (CH_CFG_USE_MESSAGES) || defined(__DOXYGEN__)
+
+/****************************************************************************
+ * Shared code.
+ ****************************************************************************/
+
+static THD_FUNCTION(msg_thread1, p) {
+
+  chMsgSend(p, 'A');
+  chMsgSend(p, 'B');
+  chMsgSend(p, 'C');
+  chMsgSend(p, 'D');
+}
+
+/****************************************************************************
+ * Test cases.
+ ****************************************************************************/
+
+/**
+ * @page rt_test_007_001 [7.1] Messages Server loop
+ *
+ * <h2>Description</h2>
+ * A messenger thread is spawned that sends four messages back to the
+ * tester thread.<br> The test expect to receive the messages in the
+ * correct sequence and to not find a fifth message waiting.
+ *
+ * <h2>Test Steps</h2>
+ * - [7.1.1] Starting the messenger thread.
+ * - [7.1.2] Waiting for four messages then testing the receive order.
+ * .
+ */
+
+static void rt_test_007_001_execute(void) {
+  thread_t *tp;
+  msg_t msg;
+
+  /* [7.1.1] Starting the messenger thread.*/
+  test_set_step(1);
+  {
+    threads[0] = chThdCreateStatic(wa[0], WA_SIZE, chThdGetPriorityX() + 1,
+                                   msg_thread1, chThdGetSelfX());
+  }
+
+  /* [7.1.2] Waiting for four messages then testing the receive
+     order.*/
+  test_set_step(2);
+  {
+    unsigned i;
+
+    for (i = 0; i < 4; i++) {
+      tp = chMsgWait();
+      msg = chMsgGet(tp);
+      chMsgRelease(tp, msg);
+      test_emit_token(msg);
+    }
+    test_wait_threads();
+    test_assert_sequence("ABCD", "invalid sequence");
+  }
+}
+
+static const testcase_t rt_test_007_001 = {
+  "Messages Server loop",
+  NULL,
+  NULL,
+  rt_test_007_001_execute
+};
+
+/****************************************************************************
+ * Exported data.
+ ****************************************************************************/
+
+/**
+ * @brief   Synchronous Messages.
+ */
+const testcase_t * const rt_test_sequence_007[] = {
+  &rt_test_007_001,
+  NULL
+};
+
+#endif /* CH_CFG_USE_MESSAGES */