ucx: tests/test_hash_key.cpp@d50b5dc1e058

     1 /*

     2  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.

     3  *

     4  * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.

     5  *

     6  * Redistribution and use in source and binary forms, with or without

     7  * modification, are permitted provided that the following conditions are met:

     8  *

     9  *   1. Redistributions of source code must retain the above copyright

    10  *      notice, this list of conditions and the following disclaimer.

    11  *

    12  *   2. Redistributions in binary form must reproduce the above copyright

    13  *      notice, this list of conditions and the following disclaimer in the

    14  *      documentation and/or other materials provided with the distribution.

    15  *

    16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"

    17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

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    19  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE

    20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR

    21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF

    22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS

    23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN

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    25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE

    26  * POSSIBILITY OF SUCH DAMAGE.

    27  */

    29 #include "cx/hash_key.h"

    30 #include "cx/string.h"

    32 #include <gtest/gtest.h>

    34 TEST(cx_hash_key, functions) {

    35     auto str = "my key";

    36     auto len = strlen(str);

    38     auto str_key = cx_hash_key_str(str);

    39     auto bytes_key = cx_hash_key_bytes(

    40             reinterpret_cast<unsigned char const *>(str), len);

    41     auto obj_key = cx_hash_key(

    42             reinterpret_cast<void const *>(str), len);

    43     auto cxstr_key = cx_hash_key_cxstr(cx_str(str));

    45     EXPECT_EQ(str_key.hash, bytes_key.hash);

    46     EXPECT_EQ(obj_key.hash, bytes_key.hash);

    47     EXPECT_EQ(cxstr_key.hash, bytes_key.hash);

    48     EXPECT_EQ(str_key.len, len);

    49     EXPECT_EQ(cxstr_key.len, len);

    50     EXPECT_EQ(bytes_key.len, len);

    51     EXPECT_EQ(bytes_key.len, len);

    52     EXPECT_EQ(str_key.data.cstr, str);

    53     EXPECT_EQ(bytes_key.data.cbytes, reinterpret_cast<unsigned char const *>(str));

    54     EXPECT_EQ(bytes_key.data.cobj, reinterpret_cast<void const *>(str));

    55     EXPECT_EQ(cxstr_key.data.cobj, reinterpret_cast<void const *>(str));

    56 }

    58 TEST(cx_hash_key, empty_string) {

    59     auto str = "";

    61     auto str_key = cx_hash_key_str(str);

    62     auto bytes_key = cx_hash_key_bytes(

    63             reinterpret_cast<unsigned char const *>(str), 0);

    64     auto obj_key = cx_hash_key(

    65             reinterpret_cast<void const *>(str), 0);

    67     EXPECT_EQ(bytes_key.hash, 4152238450u);

    68     EXPECT_EQ(str_key.hash, 4152238450u);

    69     EXPECT_EQ(obj_key.hash, 4152238450u);

    70     EXPECT_EQ(str_key.len, 0);

    71     EXPECT_EQ(bytes_key.len, 0);

    72     EXPECT_EQ(bytes_key.len, 0);

    73     EXPECT_EQ(str_key.data.cstr, str);

    74     EXPECT_EQ(bytes_key.data.cbytes, reinterpret_cast<unsigned char const *>(str));

    75     EXPECT_EQ(bytes_key.data.cobj, reinterpret_cast<void const *>(str));

    76 }

    78 TEST(cx_hash_key, null_ptr) {

    79     auto str_key = cx_hash_key_str(nullptr);

    80     auto bytes_key = cx_hash_key_bytes(nullptr, 0);

    81     auto obj_key = cx_hash_key(nullptr, 0);

    83     EXPECT_EQ(bytes_key.hash, 1574210520u);

    84     EXPECT_EQ(str_key.hash, 1574210520u);

    85     EXPECT_EQ(obj_key.hash, 1574210520u);

    86     EXPECT_EQ(str_key.len, 0);

    87     EXPECT_EQ(bytes_key.len, 0);

    88     EXPECT_EQ(bytes_key.len, 0);

    89     EXPECT_EQ(str_key.data.cstr, nullptr);

    90     EXPECT_EQ(bytes_key.data.cbytes, nullptr);

    91     EXPECT_EQ(bytes_key.data.cobj, nullptr);

    92 }

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