blob: 6b57b60fda8901b11e4545f3ddaaf647e7906300 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
|
//===----------------------------------------------------------------------===//
//
// ÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊÊThe LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <strstream>
// class istrstream
// explicit istrstream(const char* s);
#include <strstream>
#include <cassert>
int main()
{
{
const char buf[] = "123 4.5 dog";
std::istrstream in(buf);
int i;
in >> i;
assert(i == 123);
double d;
in >> d;
assert(d == 4.5);
std::string s;
in >> s;
assert(s == "dog");
assert(in.eof());
assert(!in.fail());
in.clear();
in.putback('g');
assert(!in.fail());
in.putback('g');
assert(in.fail());
assert(buf[9] == 'o');
assert(buf[10] == 'g');
}
}
|