string.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// explicit basic_istringstream(const basic_string<charT,traits,allocator>& str,
16//                              ios_base::openmode which = ios_base::in);
17
18#include <sstream>
19#include <cassert>
20
21int main()
22{
23    {
24        std::istringstream ss(" 123 456");
25        assert(ss.rdbuf() != 0);
26        assert(ss.good());
27        assert(ss.str() == " 123 456");
28        int i = 0;
29        ss >> i;
30        assert(i == 123);
31        ss >> i;
32        assert(i == 456);
33    }
34    {
35        std::istringstream ss(" 123 456", std::ios_base::out);
36        assert(ss.rdbuf() != 0);
37        assert(ss.good());
38        assert(ss.str() == " 123 456");
39        int i = 0;
40        ss >> i;
41        assert(i == 123);
42        ss >> i;
43        assert(i == 456);
44    }
45    {
46        std::wistringstream ss(L" 123 456");
47        assert(ss.rdbuf() != 0);
48        assert(ss.good());
49        assert(ss.str() == L" 123 456");
50        int i = 0;
51        ss >> i;
52        assert(i == 123);
53        ss >> i;
54        assert(i == 456);
55    }
56    {
57        std::wistringstream ss(L" 123 456", std::ios_base::out);
58        assert(ss.rdbuf() != 0);
59        assert(ss.good());
60        assert(ss.str() == L" 123 456");
61        int i = 0;
62        ss >> i;
63        assert(i == 123);
64        ss >> i;
65        assert(i == 456);
66    }
67}
68