/* Copyright (c) 2015, Google Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
#include "internal.h"
#include <gtest/gtest.h>
TEST(RefCountTest, Basic) {
CRYPTO_refcount_t count = 0;
CRYPTO_refcount_inc(&count);
EXPECT_EQ(1u, count);
EXPECT_TRUE(CRYPTO_refcount_dec_and_test_zero(&count));
EXPECT_EQ(0u, count);
count = CRYPTO_REFCOUNT_MAX;
CRYPTO_refcount_inc(&count);
EXPECT_EQ(CRYPTO_REFCOUNT_MAX, count)
<< "Count did not saturate correctly when incrementing.";
EXPECT_FALSE(CRYPTO_refcount_dec_and_test_zero(&count));
EXPECT_EQ(CRYPTO_REFCOUNT_MAX, count)
<< "Count did not saturate correctly when decrementing.";
count = 2;
EXPECT_FALSE(CRYPTO_refcount_dec_and_test_zero(&count));
EXPECT_EQ(1u, count);
}