blob: 42bd18d67e1393478c981f25247d584a0e28ee50 (
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
|
//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// <strstream>
// class ostrstream
// ostrstream(char* s, int n, ios_base::openmode mode = ios_base::out);
#include <strstream>
#include <cassert>
int main()
{
{
char buf[] = "123 4.5 dog";
std::ostrstream out(buf, 0);
assert(out.str() == std::string("123 4.5 dog"));
int i = 321;
double d = 5.5;
std::string s("cat");
out << i << ' ' << d << ' ' << s;
assert(out.str() == std::string("321 5.5 cat"));
}
{
char buf[23] = "123 4.5 dog";
std::ostrstream out(buf, 11, std::ios::app);
assert(out.str() == std::string("123 4.5 dog"));
int i = 321;
double d = 5.5;
std::string s("cat");
out << i << ' ' << d << ' ' << s;
assert(out.str() == std::string("123 4.5 dog321 5.5 cat"));
}
}
|