Initial import.
diff --git a/test/core/end2end/tests/max_concurrent_streams.c b/test/core/end2end/tests/max_concurrent_streams.c
new file mode 100644
index 0000000..6b331a5
--- /dev/null
+++ b/test/core/end2end/tests/max_concurrent_streams.c
@@ -0,0 +1,257 @@
+/*
+ *
+ * Copyright 2014, 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 "test/core/end2end/end2end_tests.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <grpc/byte_buffer.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/time.h>
+#include <grpc/support/useful.h>
+#include "test/core/end2end/cq_verifier.h"
+
+enum { TIMEOUT = 200000 };
+
+static void *tag(gpr_intptr t) { return (void *)t; }
+
+static grpc_end2end_test_fixture begin_test(grpc_end2end_test_config config,
+ const char *test_name,
+ grpc_channel_args *client_args,
+ grpc_channel_args *server_args) {
+ grpc_end2end_test_fixture f;
+ gpr_log(GPR_INFO, "%s/%s", test_name, config.name);
+ f = config.create_fixture(client_args, server_args);
+ config.init_client(&f, client_args);
+ config.init_server(&f, server_args);
+ return f;
+}
+
+static gpr_timespec n_seconds_time(int n) {
+ return gpr_time_add(gpr_now(), gpr_time_from_micros(GPR_US_PER_SEC * n));
+}
+
+static gpr_timespec five_seconds_time() { return n_seconds_time(5); }
+
+static void drain_cq(grpc_completion_queue *cq) {
+ grpc_event *ev;
+ grpc_completion_type type;
+ do {
+ ev = grpc_completion_queue_next(cq, five_seconds_time());
+ GPR_ASSERT(ev);
+ type = ev->type;
+ grpc_event_finish(ev);
+ } while (type != GRPC_QUEUE_SHUTDOWN);
+}
+
+static void shutdown_server(grpc_end2end_test_fixture *f) {
+ if (!f->server) return;
+ grpc_server_shutdown(f->server);
+ grpc_server_destroy(f->server);
+ f->server = NULL;
+}
+
+static void shutdown_client(grpc_end2end_test_fixture *f) {
+ if (!f->client) return;
+ grpc_channel_destroy(f->client);
+ f->client = NULL;
+}
+
+static void end_test(grpc_end2end_test_fixture *f) {
+ shutdown_server(f);
+ shutdown_client(f);
+
+ grpc_completion_queue_shutdown(f->server_cq);
+ drain_cq(f->server_cq);
+ grpc_completion_queue_destroy(f->server_cq);
+ grpc_completion_queue_shutdown(f->client_cq);
+ drain_cq(f->client_cq);
+ grpc_completion_queue_destroy(f->client_cq);
+}
+
+static void simple_request_body(grpc_end2end_test_fixture f) {
+ grpc_call *c;
+ grpc_call *s;
+ grpc_status send_status = {GRPC_STATUS_UNIMPLEMENTED, "xyz"};
+ gpr_timespec deadline = five_seconds_time();
+ cq_verifier *v_client = cq_verifier_create(f.client_cq);
+ cq_verifier *v_server = cq_verifier_create(f.server_cq);
+
+ c = grpc_channel_create_call(f.client, "/foo", "test.google.com", deadline);
+ GPR_ASSERT(c);
+
+ GPR_ASSERT(GRPC_CALL_OK ==
+ grpc_call_start_invoke(c, f.client_cq, tag(1), tag(2), tag(3), 0));
+ cq_expect_invoke_accepted(v_client, tag(1), GRPC_OP_OK);
+ cq_verify(v_client);
+
+ GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done(c, tag(4)));
+ cq_expect_finish_accepted(v_client, tag(4), GRPC_OP_OK);
+ cq_verify(v_client);
+
+ GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f.server, tag(100)));
+ cq_expect_server_rpc_new(v_server, &s, tag(100), "/foo", "test.google.com",
+ deadline, NULL);
+ cq_verify(v_server);
+
+ GPR_ASSERT(GRPC_CALL_OK == grpc_call_accept(s, f.server_cq, tag(102), 0));
+ cq_expect_client_metadata_read(v_client, tag(2), NULL);
+ cq_verify(v_client);
+
+ GPR_ASSERT(GRPC_CALL_OK ==
+ grpc_call_start_write_status(s, send_status, tag(5)));
+ cq_expect_finished_with_status(v_client, tag(3), send_status, NULL);
+ cq_verify(v_client);
+
+ cq_expect_finish_accepted(v_server, tag(5), GRPC_OP_OK);
+ cq_verify(v_server);
+ cq_expect_finished(v_server, tag(102), NULL);
+ cq_verify(v_server);
+
+ grpc_call_destroy(c);
+ grpc_call_destroy(s);
+
+ cq_verifier_destroy(v_client);
+ cq_verifier_destroy(v_server);
+}
+
+static void test_max_concurrent_streams(grpc_end2end_test_config config) {
+ grpc_end2end_test_fixture f;
+ grpc_arg server_arg;
+ grpc_channel_args server_args;
+ grpc_call *c1;
+ grpc_call *c2;
+ grpc_call *s1;
+ grpc_call *s2;
+ gpr_timespec deadline;
+ grpc_status send_status = {GRPC_STATUS_UNIMPLEMENTED, "xyz"};
+ cq_verifier *v_client;
+ cq_verifier *v_server;
+
+ server_arg.key = GRPC_ARG_MAX_CONCURRENT_STREAMS;
+ server_arg.type = GRPC_ARG_INTEGER;
+ server_arg.value.integer = 1;
+
+ server_args.num_args = 1;
+ server_args.args = &server_arg;
+
+ f = begin_test(config, __FUNCTION__, NULL, &server_args);
+ v_client = cq_verifier_create(f.client_cq);
+ v_server = cq_verifier_create(f.server_cq);
+
+ /* perform a ping-pong to ensure that settings have had a chance to round
+ trip */
+ simple_request_body(f);
+ /* perform another one to make sure that the one stream case still works */
+ simple_request_body(f);
+
+ /* start two requests - ensuring that the second is not accepted until
+ the first completes */
+ deadline = five_seconds_time();
+ c1 = grpc_channel_create_call(f.client, "/foo", "test.google.com", deadline);
+ GPR_ASSERT(c1);
+ c2 = grpc_channel_create_call(f.client, "/bar", "test.google.com", deadline);
+ GPR_ASSERT(c1);
+
+ GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f.server, tag(100)));
+
+ GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_invoke(c1, f.client_cq, tag(300),
+ tag(301), tag(302), 0));
+ GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_invoke(c2, f.client_cq, tag(400),
+ tag(401), tag(402), 0));
+ cq_expect_invoke_accepted(v_client, tag(300), GRPC_OP_OK);
+ cq_verify(v_client);
+
+ GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done(c1, tag(303)));
+ cq_expect_finish_accepted(v_client, tag(303), GRPC_OP_OK);
+ cq_verify(v_client);
+
+ cq_expect_server_rpc_new(v_server, &s1, tag(100), "/foo", "test.google.com",
+ deadline, NULL);
+ cq_verify(v_server);
+
+ GPR_ASSERT(GRPC_CALL_OK == grpc_call_accept(s1, f.server_cq, tag(102), 0));
+ cq_expect_client_metadata_read(v_client, tag(301), NULL);
+ cq_verify(v_client);
+
+ GPR_ASSERT(GRPC_CALL_OK ==
+ grpc_call_start_write_status(s1, send_status, tag(103)));
+ cq_expect_finish_accepted(v_server, tag(103), GRPC_OP_OK);
+ cq_expect_finished(v_server, tag(102), NULL);
+ cq_verify(v_server);
+
+ /* first request is finished, we should be able to start the second */
+ cq_expect_finished_with_status(v_client, tag(302), send_status, NULL);
+ cq_expect_invoke_accepted(v_client, tag(400), GRPC_OP_OK);
+ cq_verify(v_client);
+
+ GPR_ASSERT(GRPC_CALL_OK == grpc_call_writes_done(c2, tag(403)));
+ cq_expect_finish_accepted(v_client, tag(403), GRPC_OP_OK);
+ cq_verify(v_client);
+
+ GPR_ASSERT(GRPC_CALL_OK == grpc_server_request_call(f.server, tag(200)));
+ cq_expect_server_rpc_new(v_server, &s2, tag(200), "/bar", "test.google.com",
+ deadline, NULL);
+ cq_verify(v_server);
+
+ GPR_ASSERT(GRPC_CALL_OK == grpc_call_accept(s2, f.server_cq, tag(202), 0));
+ cq_expect_client_metadata_read(v_client, tag(401), NULL);
+ cq_verify(v_client);
+
+ GPR_ASSERT(GRPC_CALL_OK ==
+ grpc_call_start_write_status(s2, send_status, tag(203)));
+ cq_expect_finish_accepted(v_server, tag(203), GRPC_OP_OK);
+ cq_expect_finished(v_server, tag(202), NULL);
+ cq_verify(v_server);
+
+ cq_expect_finished_with_status(v_client, tag(402), send_status, NULL);
+ cq_verify(v_client);
+
+ cq_verifier_destroy(v_client);
+ cq_verifier_destroy(v_server);
+
+ grpc_call_destroy(c1);
+ grpc_call_destroy(s1);
+ grpc_call_destroy(c2);
+ grpc_call_destroy(s2);
+
+ end_test(&f);
+ config.tear_down_data(&f);
+}
+
+void grpc_end2end_tests(grpc_end2end_test_config config) {
+ test_max_concurrent_streams(config);
+}