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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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				|  |  | +
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				|  |  | +#include <string.h>
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				|  |  | +
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				|  |  | +#include <grpc/support/log.h>
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				|  |  | +#include <grpc/support/useful.h>
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				|  |  | +
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				|  |  | +#include "src/core/channel/channel_args.h"
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				|  |  | +
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				|  |  | +#include "test/core/util/test_config.h"
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				|  |  | +
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				|  |  | +static void test_create(void) {
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				|  |  | +  grpc_arg arg_int;
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				|  |  | +  grpc_arg arg_string;
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				|  |  | +  grpc_arg to_add[2];
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				|  |  | +  grpc_channel_args *ch_args;
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				|  |  | +
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				|  |  | +  arg_int.key = "int_arg";
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				|  |  | +  arg_int.type = GRPC_ARG_INTEGER;
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				|  |  | +  arg_int.value.integer = 123;
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				|  |  | +
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				|  |  | +  arg_string.key = "str key";
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				|  |  | +  arg_string.type = GRPC_ARG_STRING;
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				|  |  | +  arg_string.value.string = "str value";
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				|  |  | +
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				|  |  | +  to_add[0] = arg_int;
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				|  |  | +  to_add[1] = arg_string;
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				|  |  | +  ch_args = grpc_channel_args_copy_and_add(NULL, to_add, 2);
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				|  |  | +
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				|  |  | +  GPR_ASSERT(ch_args->num_args == 2);
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				|  |  | +  GPR_ASSERT(strcmp(ch_args->args[0].key, arg_int.key) == 0);
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				|  |  | +  GPR_ASSERT(ch_args->args[0].type == arg_int.type);
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				|  |  | +  GPR_ASSERT(ch_args->args[0].value.integer == arg_int.value.integer);
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				|  |  | +
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				|  |  | +  GPR_ASSERT(strcmp(ch_args->args[1].key, arg_string.key) == 0);
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				|  |  | +  GPR_ASSERT(ch_args->args[1].type == arg_string.type);
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				|  |  | +  GPR_ASSERT(strcmp(ch_args->args[1].value.string, arg_string.value.string) ==
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				|  |  | +             0);
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				|  |  | +
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				|  |  | +  grpc_channel_args_destroy(ch_args);
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				|  |  | +}
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				|  |  | +
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				|  |  | +static void test_set_compression_algorithm(void) {
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				|  |  | +  grpc_channel_args *ch_args;
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				|  |  | +
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				|  |  | +  ch_args =
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				|  |  | +      grpc_channel_args_set_compression_algorithm(NULL, GRPC_COMPRESS_GZIP);
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				|  |  | +  GPR_ASSERT(ch_args->num_args == 1);
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				|  |  | +  GPR_ASSERT(strcmp(ch_args->args[0].key, GRPC_COMPRESSION_ALGORITHM_ARG) == 0);
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				|  |  | +  GPR_ASSERT(ch_args->args[0].type == GRPC_ARG_INTEGER);
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				|  |  | +
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				|  |  | +  grpc_channel_args_destroy(ch_args);
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				|  |  | +}
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				|  |  | +
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				|  |  | +static void test_compression_algorithm_states(void) {
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				|  |  | +  grpc_channel_args *ch_args, *ch_args_wo_gzip, *ch_args_wo_gzip_deflate;
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				|  |  | +  int states_bitset;
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				|  |  | +  size_t i;
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				|  |  | +
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				|  |  | +  ch_args = grpc_channel_args_copy_and_add(NULL, NULL, 0);
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				|  |  | +  /* by default, all enabled */
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				|  |  | +  states_bitset = grpc_channel_args_compression_algorithm_get_states(ch_args);
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				|  |  | +
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				|  |  | +  for (i = 0; i < GRPC_COMPRESS_ALGORITHMS_COUNT; i++) {
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				|  |  | +    GPR_ASSERT(GPR_BITGET(states_bitset, i));
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				|  |  | +  }
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				|  |  | +
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				|  |  | +  /* disable gzip and deflate */
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				|  |  | +  ch_args_wo_gzip = grpc_channel_args_compression_algorithm_set_state(
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				|  |  | +      &ch_args, GRPC_COMPRESS_GZIP, 0);
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				|  |  | +  GPR_ASSERT(ch_args == ch_args_wo_gzip);
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				|  |  | +  ch_args_wo_gzip_deflate = grpc_channel_args_compression_algorithm_set_state(
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				|  |  | +      &ch_args_wo_gzip, GRPC_COMPRESS_DEFLATE, 0);
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				|  |  | +  GPR_ASSERT(ch_args_wo_gzip == ch_args_wo_gzip_deflate);
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				|  |  | +
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				|  |  | +  states_bitset = grpc_channel_args_compression_algorithm_get_states(
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				|  |  | +      ch_args_wo_gzip_deflate);
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				|  |  | +  for (i = 0; i < GRPC_COMPRESS_ALGORITHMS_COUNT; i++) {
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				|  |  | +    if (i == GRPC_COMPRESS_GZIP || i == GRPC_COMPRESS_DEFLATE) {
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				|  |  | +      GPR_ASSERT(GPR_BITGET(states_bitset, i) == 0);
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				|  |  | +    } else {
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				|  |  | +      GPR_ASSERT(GPR_BITGET(states_bitset, i) != 0);
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				|  |  | +    }
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				|  |  | +  }
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				|  |  | +
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				|  |  | +  /* re-enabled gzip only */
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				|  |  | +  ch_args_wo_gzip = grpc_channel_args_compression_algorithm_set_state(
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				|  |  | +      &ch_args_wo_gzip_deflate, GRPC_COMPRESS_GZIP, 1);
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				|  |  | +  GPR_ASSERT(ch_args_wo_gzip == ch_args_wo_gzip_deflate);
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				|  |  | +
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				|  |  | +  states_bitset =
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				|  |  | +      grpc_channel_args_compression_algorithm_get_states(ch_args_wo_gzip);
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				|  |  | +  for (i = 0; i < GRPC_COMPRESS_ALGORITHMS_COUNT; i++) {
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				|  |  | +    if (i == GRPC_COMPRESS_DEFLATE) {
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				|  |  | +      GPR_ASSERT(GPR_BITGET(states_bitset, i) == 0);
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				|  |  | +    } else {
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				|  |  | +      GPR_ASSERT(GPR_BITGET(states_bitset, i) != 0);
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				|  |  | +    }
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				|  |  | +  }
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				|  |  | +
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				|  |  | +  grpc_channel_args_destroy(ch_args);
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				|  |  | +}
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				|  |  | +
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				|  |  | +int main(int argc, char **argv) {
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				|  |  | +  grpc_test_init(argc, argv);
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				|  |  | +  test_create();
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				|  |  | +  test_set_compression_algorithm();
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				|  |  | +  test_compression_algorithm_states();
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				|  |  | +  return 0;
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				|  |  | +}
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