1 // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
2 // vim: ts=8 sw=2 smarttab
4 * Ceph - scalable distributed file system
6 * Copyright (C) 2017 Red Hat
8 * This is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License version 2.1, as published by the Free Software
11 * Foundation. See file COPYING.
15 #include "rgw/rgw_string.h"
16 #include <gtest/gtest.h>
18 const std::string abc{"abc"};
19 const char *def{"def"}; // const char*
20 char ghi_arr[] = {'g', 'h', 'i', '\0'};
21 char *ghi{ghi_arr}; // char*
22 constexpr boost::string_view jkl{"jkl", 3};
23 #define mno "mno" // string literal (char[4])
24 char pqr[] = {'p', 'q', 'r', '\0'};
26 TEST(string_size, types)
28 ASSERT_EQ(3u, string_size(abc));
29 ASSERT_EQ(3u, string_size(def));
30 ASSERT_EQ(3u, string_size(ghi));
31 ASSERT_EQ(3u, string_size(jkl));
32 ASSERT_EQ(3u, string_size(mno));
33 ASSERT_EQ(3u, string_size(pqr));
35 constexpr auto compile_time_string_view_size = string_size(jkl);
36 ASSERT_EQ(3u, compile_time_string_view_size);
37 constexpr auto compile_time_string_literal_size = string_size(mno);
38 ASSERT_EQ(3u, compile_time_string_literal_size);
40 char arr[] = {'a', 'b', 'c'}; // not null-terminated
41 ASSERT_THROW(string_size(arr), std::invalid_argument);
44 TEST(string_cat_reserve, types)
46 ASSERT_EQ("abcdefghijklmnopqr",
47 string_cat_reserve(abc, def, ghi, jkl, mno, pqr));
50 TEST(string_cat_reserve, count)
52 ASSERT_EQ("", string_cat_reserve());
53 ASSERT_EQ("abc", string_cat_reserve(abc));
54 ASSERT_EQ("abcdef", string_cat_reserve(abc, def));
57 TEST(string_join_reserve, types)
59 ASSERT_EQ("abc, def, ghi, jkl, mno, pqr",
60 string_join_reserve(", ", abc, def, ghi, jkl, mno, pqr));
63 TEST(string_join_reserve, count)
65 ASSERT_EQ("", string_join_reserve(", "));
66 ASSERT_EQ("abc", string_join_reserve(", ", abc));
67 ASSERT_EQ("abc, def", string_join_reserve(", ", abc, def));
70 TEST(string_join_reserve, delim)
72 ASSERT_EQ("abcdef", string_join_reserve("", abc, def));
73 ASSERT_EQ("abc def", string_join_reserve(' ', abc, def));
74 ASSERT_EQ("abc\ndef", string_join_reserve('\n', abc, def));
75 ASSERT_EQ("abcfoodef", string_join_reserve(std::string{"foo"}, abc, def));