str.pass.cpp revision bc8d3f97eb5c958007f2713238472e0c1c8fe02c 
1//===----------------------------------------------------------------------===//
2//
3// ��������������������The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10// <sstream>
11
12// template <class charT, class traits = char_traits<charT>, class Allocator = allocator<charT> >
13// class basic_istringstream
14
15// void str(const basic_string<charT,traits,Allocator>& s);
16
17#include <sstream>
18#include <cassert>
19
20int main()
21{
22    {
23        std::istringstream ss(" 123 456");
24        assert(ss.rdbuf() != 0);
25        assert(ss.good());
26        assert(ss.str() == " 123 456");
27        int i = 0;
28        ss >> i;
29        assert(i == 123);
30        ss >> i;
31        assert(i == 456);
32        ss.str(" 789");
33        ss.clear();
34        assert(ss.good());
35        assert(ss.str() == " 789");
36        ss >> i;
37        assert(i == 789);
38    }
39    {
40        std::wistringstream ss(L" 123 456");
41        assert(ss.rdbuf() != 0);
42        assert(ss.good());
43        assert(ss.str() == L" 123 456");
44        int i = 0;
45        ss >> i;
46        assert(i == 123);
47        ss >> i;
48        assert(i == 456);
49        ss.str(L" 789");
50        ss.clear();
51        assert(ss.good());
52        assert(ss.str() == L" 789");
53        ss >> i;
54        assert(i == 789);
55    }
56}
57