1 files changed, 100 insertions, 0 deletions
diff --git a/test/core/surface/alarm_test.c b/test/core/surface/alarm_test.c
new file mode 100644
index 0000000000..52fe4ea084
--- /dev/null
+++ b/test/core/surface/alarm_test.c
@@ -0,0 +1,100 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * 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.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "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 COPYRIGHT
+ * OWNER OR CONTRIBUTORS 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.
+ *
+ */
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include "test/core/util/test_config.h"
+
+#define LOG_TEST(x) gpr_log(GPR_INFO, "%s", x)
+
+static void *create_test_tag(void) {
+  static gpr_intptr i = 0;
+  return (void *)(++i);
+}
+
+/* helper for tests to shutdown correctly and tersely */
+static void shutdown_and_destroy(grpc_completion_queue *cc) {
+  grpc_event ev;
+  grpc_completion_queue_shutdown(cc);
+  ev = grpc_completion_queue_next(cc, gpr_inf_past(GPR_CLOCK_REALTIME), NULL);
+  GPR_ASSERT(ev.type == GRPC_QUEUE_SHUTDOWN);
+  grpc_completion_queue_destroy(cc);
+}
+
+static void test_alarm(void) {
+  grpc_completion_queue *cc;
+
+  LOG_TEST("test_alarm");
+  cc = grpc_completion_queue_create(NULL);
+  {
+    /* regular expiry */
+    grpc_event ev;
+    void *tag = create_test_tag();
+    grpc_alarm *alarm =
+        grpc_alarm_create(cc, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1), tag);
+
+    ev = grpc_completion_queue_next(cc, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(2),
+                                    NULL);
+    GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
+    GPR_ASSERT(ev.tag == tag);
+    GPR_ASSERT(ev.success);
+    grpc_alarm_destroy(alarm);
+  }
+  {
+    /* cancellation */
+    grpc_event ev;
+    void *tag = create_test_tag();
+    grpc_alarm *alarm =
+        grpc_alarm_create(cc, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(2), tag);
+
+    grpc_alarm_cancel(alarm);
+    ev = grpc_completion_queue_next(cc, GRPC_TIMEOUT_SECONDS_TO_DEADLINE(1),
+                                    NULL);
+    GPR_ASSERT(ev.type == GRPC_OP_COMPLETE);
+    GPR_ASSERT(ev.tag == tag);
+    GPR_ASSERT(ev.success == 0);
+    grpc_alarm_destroy(alarm);
+  }
+  shutdown_and_destroy(cc);
+}
+
+int main(int argc, char **argv) {
+  grpc_test_init(argc, argv);
+  grpc_init();
+  test_alarm();
+  grpc_shutdown();
+  return 0;
+}