tests: add xtimer_remove

tests/xtimer_remove/Makefile

@@ -0,0 +1,10 @@
+APPLICATION = xtimer_remove
+include ../Makefile.tests_common
+
+BOARD ?= native
+RIOTBASE ?= $(CURDIR)/../..
+
+FEATURES_REQUIRED += periph_timer
+USEMODULE += xtimer
+
+include $(RIOTBASE)/Makefile.include

tests/xtimer_remove/main.c

@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2015 Kaspar Schleiser <kaspar@schleiser.de>
+ *
+ * This file is subject to the terms and conditions of the GNU Lesser
+ * General Public License v2.1. See the file LICENSE in the top level
+ * directory for more details.
+ */
+
+/**
+ * @ingroup     tests
+ * @{
+ *
+ * @file
+ * @brief       timer test application
+ *
+ * @author      Kaspar Schleiser <kaspar@schleiser.de>
+ *
+ * @}
+ */
+
+#include <stdio.h>
+
+#include "msg.h"
+#include "thread.h"
+#include "xtimer.h"
+
+#define N (3U)
+
+int main(void)
+{
+    puts("xtimer_remove test application.\n");
+
+    kernel_pid_t me = thread_getpid();
+
+    for (unsigned int n = 0; n < N; n++) {
+        printf("Setting %u timers, removing timer %u/%u\n", N, n, N);
+        xtimer_t timers[N];
+        msg_t msg[N];
+        for (unsigned int i = 0; i < N; i++) {
+            msg[i].type = i;
+            xtimer_set_msg(&timers[i], 100000*(i+1), &msg[i], me);
+        }
+
+        xtimer_remove(&timers[n]);
+
+        unsigned int num = N-1;
+        while(num--) {
+            msg_t m;
+            msg_receive(&m);
+            if (m.type == n) {
+                printf("ERROR: msg type=%i unexpected!\n", m.type);
+                return -1;
+            }
+            else {
+                printf("timer %u triggered.\n", m.type);
+            }
+        }
+    }
+
+    printf("test successful.\n");
+
+    return 0;
+}