cxx/test/strings/basic.string/string.cons/pointer_assignment.pass.cpp
2010-05-11 21:36:01 +00:00

49 lines
1.5 KiB
C++

//===----------------------------------------------------------------------===//
//
// The 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>&
// operator=(const charT* s);
#include <string>
#include <cassert>
template <class S>
void
test(S s1, const typename S::value_type* s2)
{
typedef typename S::traits_type T;
s1 = s2;
assert(s1.__invariants());
assert(s1.size() == T::length(s2));
assert(T::compare(s1.data(), s2, s1.size()) == 0);
assert(s1.capacity() >= s1.size());
}
int main()
{
typedef std::string S;
test(S(), "");
test(S("1"), "");
test(S(), "1");
test(S("1"), "2");
test(S("1"), "2");
test(S(),
"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
test(S("123456789"),
"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
test(S("1234567890123456789012345678901234567890123456789012345678901234567890"),
"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
test(S("1234567890123456789012345678901234567890123456789012345678901234567890"
"1234567890123456789012345678901234567890123456789012345678901234567890"),
"abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyz");
}