1 files changed, 105 insertions, 0 deletions
diff --git a/test/core/surface/alarm_test.cc b/test/core/surface/alarm_test.cc
new file mode 100644
index 0000000000..88b0b31478
--- /dev/null
+++ b/test/core/surface/alarm_test.cc
@@ -0,0 +1,105 @@
+/*
+ *
+ * Copyright 2015 gRPC authors.
+ *
+ * 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 <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 intptr_t 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_for_next(NULL);
+  {
+    /* regular expiry */
+    grpc_event ev;
+    void* tag = create_test_tag();
+    grpc_alarm* alarm = grpc_alarm_create(NULL);
+    grpc_alarm_set(alarm, cc, grpc_timeout_seconds_to_deadline(1), tag, NULL);
+
+    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, NULL);
+  }
+  {
+    /* cancellation */
+    grpc_event ev;
+    void* tag = create_test_tag();
+    grpc_alarm* alarm = grpc_alarm_create(NULL);
+    grpc_alarm_set(alarm, cc, grpc_timeout_seconds_to_deadline(2), tag, NULL);
+
+    grpc_alarm_cancel(alarm, NULL);
+    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, NULL);
+  }
+  {
+    /* alarm_destroy before cq_next */
+    grpc_event ev;
+    void* tag = create_test_tag();
+    grpc_alarm* alarm = grpc_alarm_create(NULL);
+    grpc_alarm_set(alarm, cc, grpc_timeout_seconds_to_deadline(2), tag, NULL);
+
+    grpc_alarm_destroy(alarm, NULL);
+    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);
+  }
+  {
+    /* alarm_destroy before set */
+    grpc_alarm* alarm = grpc_alarm_create(NULL);
+    grpc_alarm_destroy(alarm, NULL);
+  }
+
+  shutdown_and_destroy(cc);
+}
+
+int main(int argc, char** argv) {
+  grpc_test_init(argc, argv);
+  grpc_init();
+  test_alarm();
+  grpc_shutdown();
+  return 0;
+}