bc8d3f97eb
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@103490 91177308-0d34-0410-b5e6-96231b3b80d8
48 lines
1.4 KiB
C++
48 lines
1.4 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <string>
|
|
|
|
// basic_string<charT,traits,Allocator>&
|
|
// assign(const charT* s, size_type n);
|
|
|
|
#include <string>
|
|
#include <stdexcept>
|
|
#include <cassert>
|
|
|
|
template <class S>
|
|
void
|
|
test(S s, const typename S::value_type* str, typename S::size_type n, S expected)
|
|
{
|
|
s.assign(str, n);
|
|
assert(s.__invariants());
|
|
assert(s == expected);
|
|
}
|
|
|
|
int main()
|
|
{
|
|
typedef std::string S;
|
|
test(S(), "", 0, S());
|
|
test(S(), "12345", 3, S("123"));
|
|
test(S(), "12345", 4, S("1234"));
|
|
test(S(), "12345678901234567890", 0, S());
|
|
test(S(), "12345678901234567890", 1, S("1"));
|
|
test(S(), "12345678901234567890", 3, S("123"));
|
|
test(S(), "12345678901234567890", 20, S("12345678901234567890"));
|
|
|
|
test(S("12345"), "", 0, S());
|
|
test(S("12345"), "12345", 5, S("12345"));
|
|
test(S("12345"), "1234567890", 10, S("1234567890"));
|
|
|
|
test(S("12345678901234567890"), "", 0, S());
|
|
test(S("12345678901234567890"), "12345", 5, S("12345"));
|
|
test(S("12345678901234567890"), "12345678901234567890", 20,
|
|
S("12345678901234567890"));
|
|
}
|