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// { dg-do compile { target c++20 } }
// { dg-require-effective-target cxx11_abi }
#include <string>
#include <testsuite_hooks.h>
constexpr bool
test_insert()
{
std::string s;
s.insert(0, "one");
VERIFY( s == "one" );
s.insert(0, "eleventy-");
VERIFY( s == "eleventy-one" );
s.insert(6, "ses at ten thirteen", 15);
VERIFY( s == "elevenses at ten thirty-one" );
return true;
}
static_assert( test_insert() );
constexpr bool
test_replace()
{
std::string s = "abcdef";
s.replace(2, 1, s.c_str(), 3);
VERIFY( s == "ababcdef" );
s.replace(0, 2, "", 0);
VERIFY( s == "abcdef" );
s.replace(1, 4, "ardwol", 6);
VERIFY( s == "aardwolf" );
s.replace(4, 0, "vark not wolf");
return true;
}
static_assert( test_replace() );
constexpr bool
test_erasure()
{
std::string s = "Spiritualized Electric Mainline";
std::erase(s, 'i');
VERIFY( s == "Sprtualzed Electrc Manlne" );
std::erase_if(s, [](char c) { return c == 'l'; });
VERIFY( s == "Sprtuazed Eectrc Manne" );
return true;
}
static_assert( test_erasure() );
constexpr bool
test_move()
{
// PR libstdc++/113294
std::string s1;
std::string s2 = "1234567890123456"; // 16 chars: more than _S_local_capacity
s1 = std::move(s2);
VERIFY( s1 == "1234567890123456" );
return true;
}
static_assert( test_move() );
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