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Another missing string_view test

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@312691 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Marshall Clow
2017-09-07 03:03:48 +00:00
parent e942bb000f
commit cd0354ef44
1 changed files with 74 additions and 0 deletions
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74
test/std/strings/basic.string/string.cons/string_view_assignment.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>
// basic_string<charT,traits,Allocator>& operator=(basic_string_view<charT, traits> sv);
#include <string>
#include <cassert>
#include "test_macros.h"
#include "min_allocator.h"
template <class S, class SV>
void
test(S s1, SV sv)
{
typedef typename S::traits_type T;
s1 = sv;
LIBCPP_ASSERT(s1.__invariants());
assert(s1.size() == sv.size());
assert(T::compare(s1.data(), sv.data(), s1.size()) == 0);
assert(s1.capacity() >= s1.size());
}
int main()
{
{
typedef std::string S;
typedef std::string_view SV;
test(S(), SV(""));
test(S("1"), SV(""));
test(S(), SV("1"));
test(S("1"), SV("2"));
test(S("1"), SV("2"));
test(S(),
SV("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
test(S("123456789"),
SV("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
test(S("1234567890123456789012345678901234567890123456789012345678901234567890"),
SV("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
"1234567890123456789012345678901234567890123456789012345678901234567890"),
SV("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
}
#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(""));
test(S("1"), SV(""));
test(S(), SV("1"));
test(S("1"), SV("2"));
test(S("1"), SV("2"));
test(S(),
SV("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
test(S("123456789"),
SV("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
test(S("1234567890123456789012345678901234567890123456789012345678901234567890"),
SV("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
"1234567890123456789012345678901234567890123456789012345678901234567890"),
SV("abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz"));
}
#endif
}