Initial checkin of gRPC to third_party/

third_party/grpc/test/core/iomgr/workqueue_test.c

Index: third_party/grpc/test/core/iomgr/workqueue_test.c
diff --git a/third_party/grpc/test/core/iomgr/workqueue_test.c b/third_party/grpc/test/core/iomgr/workqueue_test.c
new file mode 100644
index 0000000000000000000000000000000000000000..8a1faf6303ef626d89b76bbf98a9db587279d284
--- /dev/null
+++ b/third_party/grpc/test/core/iomgr/workqueue_test.c
@@ -0,0 +1,134 @@
+/*
+ *
+ * Copyright 2015-2016, 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 "src/core/iomgr/workqueue.h"
+
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+
+#include "test/core/util/test_config.h"
+
+static gpr_mu *g_mu;
+static grpc_pollset *g_pollset;
+
+static void must_succeed(grpc_exec_ctx *exec_ctx, void *p, bool success) {
+  GPR_ASSERT(success == 1);
+  gpr_mu_lock(g_mu);
+  *(int *)p = 1;
+  grpc_pollset_kick(g_pollset, NULL);
+  gpr_mu_unlock(g_mu);
+}
+
+static void test_ref_unref(void) {
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_workqueue *wq = grpc_workqueue_create(&exec_ctx);
+  GRPC_WORKQUEUE_REF(wq, "test");
+  GRPC_WORKQUEUE_UNREF(&exec_ctx, wq, "test");
+  GRPC_WORKQUEUE_UNREF(&exec_ctx, wq, "destroy");
+  grpc_exec_ctx_finish(&exec_ctx);
+}
+
+static void test_add_closure(void) {
+  grpc_closure c;
+  int done = 0;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_workqueue *wq = grpc_workqueue_create(&exec_ctx);
+  gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5);
+  grpc_pollset_worker *worker = NULL;
+  grpc_closure_init(&c, must_succeed, &done);
+
+  grpc_workqueue_push(wq, &c, 1);
+  grpc_workqueue_add_to_pollset(&exec_ctx, wq, g_pollset);
+
+  gpr_mu_lock(g_mu);
+  GPR_ASSERT(!done);
+  grpc_pollset_work(&exec_ctx, g_pollset, &worker, gpr_now(deadline.clock_type),
+                    deadline);
+  gpr_mu_unlock(g_mu);
+  grpc_exec_ctx_finish(&exec_ctx);
+  GPR_ASSERT(done);
+
+  GRPC_WORKQUEUE_UNREF(&exec_ctx, wq, "destroy");
+  grpc_exec_ctx_finish(&exec_ctx);
+}
+
+static void test_flush(void) {
+  grpc_closure c;
+  int done = 0;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_workqueue *wq = grpc_workqueue_create(&exec_ctx);
+  gpr_timespec deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(5);
+  grpc_pollset_worker *worker = NULL;
+  grpc_closure_init(&c, must_succeed, &done);
+
+  grpc_exec_ctx_enqueue(&exec_ctx, &c, true, NULL);
+  grpc_workqueue_flush(&exec_ctx, wq);
+  grpc_workqueue_add_to_pollset(&exec_ctx, wq, g_pollset);
+
+  gpr_mu_lock(g_mu);
+  GPR_ASSERT(!done);
+  grpc_pollset_work(&exec_ctx, g_pollset, &worker, gpr_now(deadline.clock_type),
+                    deadline);
+  gpr_mu_unlock(g_mu);
+  grpc_exec_ctx_finish(&exec_ctx);
+  GPR_ASSERT(done);
+
+  GRPC_WORKQUEUE_UNREF(&exec_ctx, wq, "destroy");
+  grpc_exec_ctx_finish(&exec_ctx);
+}
+
+static void destroy_pollset(grpc_exec_ctx *exec_ctx, void *p, bool success) {
+  grpc_pollset_destroy(p);
+}
+
+int main(int argc, char **argv) {
+  grpc_closure destroyed;
+  grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+  grpc_test_init(argc, argv);
+  grpc_init();
+  g_pollset = gpr_malloc(grpc_pollset_size());
+  grpc_pollset_init(g_pollset, &g_mu);
+
+  test_ref_unref();
+  test_add_closure();
+  test_flush();
+
+  grpc_closure_init(&destroyed, destroy_pollset, g_pollset);
+  grpc_pollset_shutdown(&exec_ctx, g_pollset, &destroyed);
+  grpc_exec_ctx_finish(&exec_ctx);
+  grpc_shutdown();
+
+  gpr_free(g_pollset);
+  return 0;
+}