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Add even more string_view tests. These found some bugs in the default parameter value for rfind/find_last_of/find_last_not_of

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@312693 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2017-09-07 04:19:32 +00:00
parent cd0354ef44
commit 0b9db07158
9 changed files with 1422 additions and 6 deletions
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79
test/std/strings/basic.string/string.ops/string_compare/string_view.pass.cpp Normal file
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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <string>
// int compare(const basic_string_view sv) const
#include <string>
#include <cassert>
#include "min_allocator.h"
int sign(int x)
{
if (x == 0)
return 0;
if (x < 0)
return -1;
return 1;
}
template <class S, class SV>
void
test(const S& s, SV sv, int x)
{
assert(sign(s.compare(sv)) == sign(x));
}
int main()
{
{
typedef std::string S;
typedef std::string_view SV;
test(S(""), SV(""), 0);
test(S(""), SV("abcde"), -5);
test(S(""), SV("abcdefghij"), -10);
test(S(""), SV("abcdefghijklmnopqrst"), -20);
test(S("abcde"), SV(""), 5);
test(S("abcde"), SV("abcde"), 0);
test(S("abcde"), SV("abcdefghij"), -5);
test(S("abcde"), SV("abcdefghijklmnopqrst"), -15);
test(S("abcdefghij"), SV(""), 10);
test(S("abcdefghij"), SV("abcde"), 5);
test(S("abcdefghij"), SV("abcdefghij"), 0);
test(S("abcdefghij"), SV("abcdefghijklmnopqrst"), -10);
test(S("abcdefghijklmnopqrst"), SV(""), 20);
test(S("abcdefghijklmnopqrst"), SV("abcde"), 15);
test(S("abcdefghijklmnopqrst"), SV("abcdefghij"), 10);
test(S("abcdefghijklmnopqrst"), SV("abcdefghijklmnopqrst"), 0);
}
#if TEST_STD_VER >= 11
{
typedef std::basic_string<char, std::char_traits<char>, min_allocator<char>> S;
typedef std::string_view SV;
test(S(""), SV(""), 0);
test(S(""), SV("abcde"), -5);
test(S(""), SV("abcdefghij"), -10);
test(S(""), SV("abcdefghijklmnopqrst"), -20);
test(S("abcde"), SV(""), 5);
test(S("abcde"), SV("abcde"), 0);
test(S("abcde"), SV("abcdefghij"), -5);
test(S("abcde"), SV("abcdefghijklmnopqrst"), -15);
test(S("abcdefghij"), SV(""), 10);
test(S("abcdefghij"), SV("abcde"), 5);
test(S("abcdefghij"), SV("abcdefghij"), 0);
test(S("abcdefghij"), SV("abcdefghijklmnopqrst"), -10);
test(S("abcdefghijklmnopqrst"), SV(""), 20);
test(S("abcdefghijklmnopqrst"), SV("abcde"), 15);
test(S("abcdefghijklmnopqrst"), SV("abcdefghij"), 10);
test(S("abcdefghijklmnopqrst"), SV("abcdefghijklmnopqrst"), 0);
}
#endif
}