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1 /* |
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 * |
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4 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved. |
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5 * |
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6 * Redistribution and use in source and binary forms, with or without |
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7 * modification, are permitted provided that the following conditions are met: |
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8 * |
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9 * 1. Redistributions of source code must retain the above copyright |
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10 * notice, this list of conditions and the following disclaimer. |
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11 * |
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12 * 2. Redistributions in binary form must reproduce the above copyright |
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13 * notice, this list of conditions and the following disclaimer in the |
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14 * documentation and/or other materials provided with the distribution. |
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15 * |
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 * POSSIBILITY OF SUCH DAMAGE. |
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27 */ |
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28 |
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29 #include "cx/hash_key.h" |
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30 |
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31 #include <gtest/gtest.h> |
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32 |
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33 TEST(cx_hash_key, functions) { |
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34 auto str = "my key"; |
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35 auto len = strlen(str); |
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36 |
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37 auto str_key = cx_hash_key_str(str); |
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38 auto bytes_key = cx_hash_key_bytes( |
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39 reinterpret_cast<unsigned char const *>(str), len); |
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40 auto obj_key = cx_hash_key( |
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41 reinterpret_cast<void const *>(str), len); |
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42 |
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43 EXPECT_EQ(str_key.hash, bytes_key.hash); |
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44 EXPECT_EQ(obj_key.hash, bytes_key.hash); |
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45 EXPECT_EQ(str_key.len, len); |
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46 EXPECT_EQ(bytes_key.len, len); |
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47 EXPECT_EQ(bytes_key.len, len); |
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48 EXPECT_EQ(str_key.data.cstr, str); |
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49 EXPECT_EQ(bytes_key.data.cbytes, reinterpret_cast<unsigned char const *>(str)); |
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50 EXPECT_EQ(bytes_key.data.cobj, reinterpret_cast<void const *>(str)); |
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51 } |
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52 |
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53 TEST(cx_hash_key, empty_string) { |
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54 auto str = ""; |
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55 |
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56 auto str_key = cx_hash_key_str(str); |
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57 auto bytes_key = cx_hash_key_bytes( |
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58 reinterpret_cast<unsigned char const *>(str), 0); |
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59 auto obj_key = cx_hash_key( |
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60 reinterpret_cast<void const *>(str), 0); |
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61 |
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62 EXPECT_EQ(bytes_key.hash, 4152238450u); |
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63 EXPECT_EQ(str_key.hash, 4152238450u); |
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64 EXPECT_EQ(obj_key.hash, 4152238450u); |
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65 EXPECT_EQ(str_key.len, 0); |
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66 EXPECT_EQ(bytes_key.len, 0); |
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67 EXPECT_EQ(bytes_key.len, 0); |
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68 EXPECT_EQ(str_key.data.cstr, str); |
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69 EXPECT_EQ(bytes_key.data.cbytes, reinterpret_cast<unsigned char const *>(str)); |
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70 EXPECT_EQ(bytes_key.data.cobj, reinterpret_cast<void const *>(str)); |
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71 } |
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72 |
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73 TEST(cx_hash_key, null_ptr) { |
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74 auto str_key = cx_hash_key_str(nullptr); |
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75 auto bytes_key = cx_hash_key_bytes(nullptr, 0); |
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76 auto obj_key = cx_hash_key(nullptr, 0); |
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77 |
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78 EXPECT_EQ(bytes_key.hash, 1574210520u); |
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79 EXPECT_EQ(str_key.hash, 1574210520u); |
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80 EXPECT_EQ(obj_key.hash, 1574210520u); |
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81 EXPECT_EQ(str_key.len, 0); |
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82 EXPECT_EQ(bytes_key.len, 0); |
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83 EXPECT_EQ(bytes_key.len, 0); |
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84 EXPECT_EQ(str_key.data.cstr, nullptr); |
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85 EXPECT_EQ(bytes_key.data.cbytes, nullptr); |
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86 EXPECT_EQ(bytes_key.data.cobj, nullptr); |
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87 } |