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      1 /* Copyright (c) 2016, Google Inc.
      2  *
      3  * Permission to use, copy, modify, and/or distribute this software for any
      4  * purpose with or without fee is hereby granted, provided that the above
      5  * copyright notice and this permission notice appear in all copies.
      6  *
      7  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
      8  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
      9  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
     10  * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
     11  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
     12  * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
     13  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
     14 
     15 #include <gtest/gtest.h>
     16 
     17 #include <openssl/pool.h>
     18 
     19 #include "../test/test_util.h"
     20 
     21 
     22 TEST(PoolTest, Unpooled) {
     23   static const uint8_t kData[4] = {1, 2, 3, 4};
     24   bssl::UniquePtr<CRYPTO_BUFFER> buf(
     25       CRYPTO_BUFFER_new(kData, sizeof(kData), nullptr));
     26   ASSERT_TRUE(buf);
     27 
     28   EXPECT_EQ(Bytes(kData),
     29             Bytes(CRYPTO_BUFFER_data(buf.get()), CRYPTO_BUFFER_len(buf.get())));
     30 
     31   // Test that reference-counting works properly.
     32   CRYPTO_BUFFER_up_ref(buf.get());
     33   bssl::UniquePtr<CRYPTO_BUFFER> buf2(buf.get());
     34 }
     35 
     36 TEST(PoolTest, Empty) {
     37   bssl::UniquePtr<CRYPTO_BUFFER> buf(CRYPTO_BUFFER_new(nullptr, 0, nullptr));
     38   ASSERT_TRUE(buf);
     39 
     40   EXPECT_EQ(Bytes(""),
     41             Bytes(CRYPTO_BUFFER_data(buf.get()), CRYPTO_BUFFER_len(buf.get())));
     42 }
     43 
     44 TEST(PoolTest, Pooled) {
     45   bssl::UniquePtr<CRYPTO_BUFFER_POOL> pool(CRYPTO_BUFFER_POOL_new());
     46   ASSERT_TRUE(pool);
     47 
     48   static const uint8_t kData[4] = {1, 2, 3, 4};
     49   bssl::UniquePtr<CRYPTO_BUFFER> buf(
     50       CRYPTO_BUFFER_new(kData, sizeof(kData), pool.get()));
     51   ASSERT_TRUE(buf);
     52 
     53   bssl::UniquePtr<CRYPTO_BUFFER> buf2(
     54       CRYPTO_BUFFER_new(kData, sizeof(kData), pool.get()));
     55   ASSERT_TRUE(buf2);
     56 
     57   EXPECT_EQ(buf.get(), buf2.get()) << "CRYPTO_BUFFER_POOL did not dedup data.";
     58 }
     59