test/core/support/useful_test.c

/*
 *
 * Copyright 2014, Google Inc.
 * All rights reserved.
 *
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 * modification, are permitted provided that the following conditions are
 * met:
 *
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * 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
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 */

#include <grpc/support/useful.h>
#include <grpc/support/port_platform.h>
#include <grpc/support/log.h>
#include "test/core/util/test_config.h"

int main(int argc, char **argv) {
  int four[4];
  int five[5];
  grpc_test_init(argc, argv);

  GPR_ASSERT(GPR_MIN(1, 2) == 1);
  GPR_ASSERT(GPR_MAX(1, 2) == 2);
  GPR_ASSERT(GPR_MIN(2, 1) == 1);
  GPR_ASSERT(GPR_MAX(2, 1) == 2);
  GPR_ASSERT(GPR_CLAMP(1, 0, 2) == 1);
  GPR_ASSERT(GPR_CLAMP(0, 0, 2) == 0);
  GPR_ASSERT(GPR_CLAMP(2, 0, 2) == 2);
  GPR_ASSERT(GPR_CLAMP(-1, 0, 2) == 0);
  GPR_ASSERT(GPR_CLAMP(3, 0, 2) == 2);
  GPR_ASSERT(GPR_ROTL((gpr_uint32)0x80000001, 1) == 3);
  GPR_ASSERT(GPR_ROTR((gpr_uint32)0x80000001, 1) == 0xc0000000);
  GPR_ASSERT(GPR_ARRAY_SIZE(four) == 4);
  GPR_ASSERT(GPR_ARRAY_SIZE(five) == 5);

  return 0;
}