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				|  |  | +/*
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				|  |  | + *
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				|  |  | + * Copyright 2015, Google Inc.
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				|  |  | + * All rights reserved.
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				|  |  | + *
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				|  |  | + * Redistribution and use in source and binary forms, with or without
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				|  |  | + * modification, are permitted provided that the following conditions are
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				|  |  | + * met:
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				|  |  | + *
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				|  |  | + *     * Redistributions of source code must retain the above copyright
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				|  |  | + * notice, this list of conditions and the following disclaimer.
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				|  |  | + *     * Redistributions in binary form must reproduce the above
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				|  |  | + * copyright notice, this list of conditions and the following disclaimer
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				|  |  | + * in the documentation and/or other materials provided with the
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				|  |  | + * distribution.
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				|  |  | + *     * Neither the name of Google Inc. nor the names of its
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				|  |  | + * contributors may be used to endorse or promote products derived from
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				|  |  | + * this software without specific prior written permission.
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				|  |  | + *
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				|  |  | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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				|  |  | + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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				|  |  | + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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				|  |  | + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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				|  |  | + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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				|  |  | + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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				|  |  | + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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				|  |  | + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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				|  |  | + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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				|  |  | + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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				|  |  | + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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				|  |  | + *
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				|  |  | + */
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				|  |  | +#include <limits.h>
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				|  |  | +#include <grpc/grpc.h>
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				|  |  | +#include <grpc/support/alloc.h>
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				|  |  | +#include <grpc/support/log.h>
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				|  |  | +#include "test/core/end2end/cq_verifier.h"
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				|  |  | +#include "test/core/util/test_config.h"
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				|  |  | +
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				|  |  | +static void *tag(gpr_intptr i) { return (void *)i; }
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				|  |  | +
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				|  |  | +struct test_state {
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				|  |  | +  grpc_channel *chan;
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				|  |  | +  grpc_call *call;
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				|  |  | +  gpr_timespec deadline;
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				|  |  | +  grpc_completion_queue *cq;
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				|  |  | +  cq_verifier *cqv;
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				|  |  | +  grpc_op ops[6];
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				|  |  | +  grpc_metadata_array initial_metadata_recv;
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				|  |  | +  grpc_metadata_array trailing_metadata_recv;
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				|  |  | +  grpc_status_code status;
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				|  |  | +  char *details;
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				|  |  | +  size_t details_capacity;
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				|  |  | +};
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				|  |  | +
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				|  |  | +static struct test_state g_state;
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				|  |  | +
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				|  |  | +static void prepare_test() {
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				|  |  | +  grpc_metadata_array_init(&g_state.initial_metadata_recv);
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				|  |  | +  grpc_metadata_array_init(&g_state.trailing_metadata_recv);
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				|  |  | +  g_state.deadline = GRPC_TIMEOUT_SECONDS_TO_DEADLINE(2);
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				|  |  | +  g_state.cq = grpc_completion_queue_create(NULL);
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				|  |  | +  g_state.cqv = cq_verifier_create(g_state.cq);
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				|  |  | +  g_state.details = NULL;
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				|  |  | +  g_state.details_capacity = 0;
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				|  |  | +
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				|  |  | +  /* create a call, channel to a non existant server */
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				|  |  | +  g_state.chan = grpc_insecure_channel_create("nonexistant:54321", NULL, NULL);
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				|  |  | +  g_state.call = grpc_channel_create_call(g_state.chan, NULL, GRPC_PROPAGATE_DEFAULTS, g_state.cq,
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				|  |  | +                                    "/Foo", "nonexistant", g_state.deadline, NULL);
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				|  |  | +}
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				|  |  | +
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				|  |  | +static void cleanup_test() {
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				|  |  | +  grpc_completion_queue_shutdown(g_state.cq);
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				|  |  | +  while (grpc_completion_queue_next(g_state.cq,
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				|  |  | +                                    gpr_inf_future(GPR_CLOCK_REALTIME), NULL)
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				|  |  | +             .type != GRPC_QUEUE_SHUTDOWN)
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				|  |  | +    ;
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				|  |  | +  grpc_completion_queue_destroy(g_state.cq);
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				|  |  | +  grpc_call_destroy(g_state.call);
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				|  |  | +  grpc_channel_destroy(g_state.chan);
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				|  |  | +  cq_verifier_destroy(g_state.cqv);
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				|  |  | +
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				|  |  | +  gpr_free(g_state.details);
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				|  |  | +  grpc_metadata_array_destroy(&g_state.initial_metadata_recv);
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				|  |  | +  grpc_metadata_array_destroy(&g_state.trailing_metadata_recv);
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				|  |  | +}
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				|  |  | +
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				|  |  | +static void test_non_null_reserved_on_start_batch() {
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				|  |  | +  prepare_test();
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				|  |  | +  GPR_ASSERT(GRPC_CALL_ERROR ==
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				|  |  | +             grpc_call_start_batch(g_state.call, NULL, 0, NULL, tag(1)));
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				|  |  | +  cleanup_test();
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				|  |  | +}
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				|  |  | +
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				|  |  | +static void test_non_null_reserved_on_op() {
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				|  |  | +  grpc_op *op;
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				|  |  | +  prepare_test();
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				|  |  | +
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				|  |  | +  op = g_state.ops;
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				|  |  | +  op->op = GRPC_OP_SEND_INITIAL_METADATA;
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				|  |  | +  op->data.send_initial_metadata.count = 0;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = tag(2);
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				|  |  | +  op++;
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				|  |  | +  GPR_ASSERT(GRPC_CALL_ERROR ==
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				|  |  | +             grpc_call_start_batch(g_state.call, g_state.ops,
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				|  |  | +                                   (size_t)(op - g_state.ops), tag(1), NULL));
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				|  |  | +
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				|  |  | +  cleanup_test();
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				|  |  | +}
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				|  |  | +
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				|  |  | +static void test_send_initial_metadata_more_than_once() {
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				|  |  | +  grpc_op *op;
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				|  |  | +  prepare_test();
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				|  |  | +
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				|  |  | +  op = g_state.ops;
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				|  |  | +  op->op = GRPC_OP_SEND_INITIAL_METADATA;
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				|  |  | +  op->data.send_initial_metadata.count = 0;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(g_state.call, g_state.ops,
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				|  |  | +                                                   (size_t)(op - g_state.ops),
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				|  |  | +                                                   tag(1), NULL));
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				|  |  | +  cq_expect_completion(g_state.cqv, tag(1), 0);
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				|  |  | +  cq_verify(g_state.cqv);
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				|  |  | +
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				|  |  | +  op = g_state.ops;
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				|  |  | +  op->op = GRPC_OP_SEND_INITIAL_METADATA;
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				|  |  | +  op->data.send_initial_metadata.count = 0;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  GPR_ASSERT(GRPC_CALL_ERROR_TOO_MANY_OPERATIONS ==
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				|  |  | +             grpc_call_start_batch(g_state.call, g_state.ops,
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				|  |  | +                                   (size_t)(op - g_state.ops), tag(1), NULL));
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				|  |  | +
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				|  |  | +  cleanup_test();
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				|  |  | +}
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				|  |  | +
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				|  |  | +static void test_too_many_metadata() {
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				|  |  | +  grpc_op *op;
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				|  |  | +  prepare_test();
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				|  |  | +
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				|  |  | +  op = g_state.ops;
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				|  |  | +  op->op = GRPC_OP_SEND_INITIAL_METADATA;
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				|  |  | +  op->data.send_initial_metadata.count = (size_t)INT_MAX + 1;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  GPR_ASSERT(GRPC_CALL_ERROR_INVALID_METADATA ==
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				|  |  | +             grpc_call_start_batch(g_state.call, g_state.ops,
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				|  |  | +                                   (size_t)(op - g_state.ops), tag(1), NULL));
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				|  |  | +
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				|  |  | +  cleanup_test();
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				|  |  | +}
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				|  |  | +
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				|  |  | +static void test_send_null_message() {
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				|  |  | +  grpc_op *op;
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				|  |  | +  prepare_test();
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				|  |  | +
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				|  |  | +  op = g_state.ops;
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				|  |  | +  op->op = GRPC_OP_SEND_INITIAL_METADATA;
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				|  |  | +  op->data.send_initial_metadata.count = 0;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  op->op = GRPC_OP_SEND_MESSAGE;
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				|  |  | +  op->data.send_message = NULL;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  GPR_ASSERT(GRPC_CALL_ERROR_INVALID_MESSAGE ==
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				|  |  | +             grpc_call_start_batch(g_state.call, g_state.ops,
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				|  |  | +                                   (size_t)(op - g_state.ops), tag(1), NULL));
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				|  |  | +  cleanup_test();
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				|  |  | +}
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				|  |  | +
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				|  |  | +static void test_send_messages_at_the_same_time() {
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				|  |  | +  grpc_op *op;
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				|  |  | +  gpr_slice request_payload_slice = gpr_slice_from_copied_string("hello world");
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				|  |  | +  grpc_byte_buffer *request_payload =
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				|  |  | +      grpc_raw_byte_buffer_create(&request_payload_slice, 1);
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				|  |  | +  prepare_test();
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				|  |  | +  op = g_state.ops;
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				|  |  | +  op->op = GRPC_OP_SEND_INITIAL_METADATA;
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				|  |  | +  op->data.send_initial_metadata.count = 0;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  op->op = GRPC_OP_SEND_MESSAGE;
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				|  |  | +  op->data.send_message = request_payload;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  op->op = GRPC_OP_SEND_MESSAGE;
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				|  |  | +  op->data.send_message = tag(2);
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  GPR_ASSERT(GRPC_CALL_ERROR_TOO_MANY_OPERATIONS ==
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				|  |  | +             grpc_call_start_batch(g_state.call, g_state.ops,
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				|  |  | +                                   (size_t)(op - g_state.ops), tag(1), NULL));
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				|  |  | +  grpc_byte_buffer_destroy(request_payload);
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				|  |  | +  cleanup_test();
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				|  |  | +}
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				|  |  | +
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				|  |  | +static void test_send_server_status_from_client() {
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				|  |  | +  grpc_op *op;
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				|  |  | +  prepare_test();
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				|  |  | +
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				|  |  | +  op = g_state.ops;
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				|  |  | +  op->op = GRPC_OP_SEND_STATUS_FROM_SERVER;
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				|  |  | +  op->data.send_status_from_server.trailing_metadata_count = 0;
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				|  |  | +  op->data.send_status_from_server.status = GRPC_STATUS_UNIMPLEMENTED;
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				|  |  | +  op->data.send_status_from_server.status_details = "xyz";
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  GPR_ASSERT(GRPC_CALL_ERROR_NOT_ON_CLIENT ==
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				|  |  | +             grpc_call_start_batch(g_state.call, g_state.ops,
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				|  |  | +                                   (size_t)(op - g_state.ops), tag(1), NULL));
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				|  |  | +  cleanup_test();
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				|  |  | +}
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				|  |  | +
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				|  |  | +static void test_receive_initial_metadata_twice_at_client() {
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				|  |  | +  grpc_op *op;
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				|  |  | +  prepare_test();
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				|  |  | +  op = g_state.ops;
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				|  |  | +  op->op = GRPC_OP_RECV_INITIAL_METADATA;
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				|  |  | +  op->data.recv_initial_metadata = &g_state.initial_metadata_recv;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  GPR_ASSERT(GRPC_CALL_OK == grpc_call_start_batch(g_state.call, g_state.ops,
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				|  |  | +                                                   (size_t)(op - g_state.ops),
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				|  |  | +                                                   tag(1), NULL));
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				|  |  | +  cq_expect_completion(g_state.cqv, tag(1), 0);
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				|  |  | +  cq_verify(g_state.cqv);
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				|  |  | +  op = g_state.ops;
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				|  |  | +  op->op = GRPC_OP_RECV_INITIAL_METADATA;
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				|  |  | +  op->data.recv_initial_metadata = &g_state.initial_metadata_recv;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  GPR_ASSERT(GRPC_CALL_ERROR_TOO_MANY_OPERATIONS == grpc_call_start_batch(g_state.call, g_state.ops,
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				|  |  | +                                                   (size_t)(op - g_state.ops),
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				|  |  | +                                                   tag(1), NULL));
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				|  |  | +  cleanup_test();
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				|  |  | +}
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				|  |  | +
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				|  |  | +static void test_receive_message_with_invalid_flags() {
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				|  |  | +  grpc_op *op;
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				|  |  | +  grpc_byte_buffer *payload = NULL;
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				|  |  | +  prepare_test();
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				|  |  | +  op = g_state.ops;
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				|  |  | +  op->op = GRPC_OP_RECV_MESSAGE;
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				|  |  | +  op->data.recv_message = &payload;
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				|  |  | +  op->flags = 1;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  GPR_ASSERT(GRPC_CALL_ERROR_INVALID_FLAGS == grpc_call_start_batch(g_state.call, g_state.ops,
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				|  |  | +                                                                    (size_t)(op - g_state.ops),
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				|  |  | +                                                                    tag(1), NULL));
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				|  |  | +  cleanup_test();
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				|  |  | +}
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				|  |  | +
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				|  |  | +static void test_receive_two_messages_at_the_same_time() {
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				|  |  | +  grpc_op *op;
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				|  |  | +  grpc_byte_buffer *payload = NULL;
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				|  |  | +  prepare_test();
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				|  |  | +  op = g_state.ops;
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				|  |  | +  op->op = GRPC_OP_RECV_MESSAGE;
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				|  |  | +  op->data.recv_message = &payload;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
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				|  |  | +  op++;
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				|  |  | +  op->op = GRPC_OP_RECV_MESSAGE;
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				|  |  | +  op->data.recv_message = &payload;
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				|  |  | +  op->flags = 0;
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				|  |  | +  op->reserved = NULL;
 | 
	
		
			
				|  |  | +  op++;
 | 
	
		
			
				|  |  | +  GPR_ASSERT(GRPC_CALL_ERROR_TOO_MANY_OPERATIONS == grpc_call_start_batch(g_state.call, g_state.ops,
 | 
	
		
			
				|  |  | +                                                                    (size_t)(op - g_state.ops),
 | 
	
		
			
				|  |  | +                                                                    tag(1), NULL));
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				|  |  | +  cleanup_test();
 | 
	
		
			
				|  |  | +}
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				|  |  | +
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				|  |  | +int main(int argc, char **argv) {
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				|  |  | +  grpc_test_init(argc, argv);
 | 
	
		
			
				|  |  | +  grpc_init();
 | 
	
		
			
				|  |  | +  test_non_null_reserved_on_start_batch();
 | 
	
		
			
				|  |  | +  test_non_null_reserved_on_op();
 | 
	
		
			
				|  |  | +  test_send_initial_metadata_more_than_once();
 | 
	
		
			
				|  |  | +  test_too_many_metadata();
 | 
	
		
			
				|  |  | +  test_send_null_message();
 | 
	
		
			
				|  |  | +  test_send_messages_at_the_same_time();
 | 
	
		
			
				|  |  | +  test_send_server_status_from_client();
 | 
	
		
			
				|  |  | +  test_receive_initial_metadata_twice_at_client();
 | 
	
		
			
				|  |  | +  test_receive_message_with_invalid_flags();
 | 
	
		
			
				|  |  | +  test_receive_two_messages_at_the_same_time();
 | 
	
		
			
				|  |  | +  grpc_shutdown();
 | 
	
		
			
				|  |  | +
 | 
	
		
			
				|  |  | +  return 0;
 | 
	
		
			
				|  |  | +}
 |