4684ddb6aa
- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
96 lines
3 KiB
C++
96 lines
3 KiB
C++
//===----------------------------------------------------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is dual licensed under the MIT and the University of Illinois Open
|
|
// Source Licenses. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// <strstream>
|
|
|
|
// class strstreambuf
|
|
|
|
// strstreambuf(unsigned char* gnext_arg, streamsize n, unsigned char* pbeg_arg = 0);
|
|
|
|
#include <strstream>
|
|
#include <cassert>
|
|
|
|
int main()
|
|
{
|
|
{
|
|
unsigned char buf[] = "abcd";
|
|
std::strstreambuf sb(buf, sizeof(buf));
|
|
assert(sb.sgetc() == 'a');
|
|
assert(sb.snextc() == 'b');
|
|
assert(sb.snextc() == 'c');
|
|
assert(sb.snextc() == 'd');
|
|
assert(sb.snextc() == 0);
|
|
assert(sb.snextc() == EOF);
|
|
}
|
|
{
|
|
unsigned char buf[] = "abcd";
|
|
std::strstreambuf sb(buf, 0);
|
|
assert(sb.sgetc() == 'a');
|
|
assert(sb.snextc() == 'b');
|
|
assert(sb.snextc() == 'c');
|
|
assert(sb.snextc() == 'd');
|
|
assert(sb.snextc() == EOF);
|
|
}
|
|
{
|
|
unsigned char buf[] = "abcd";
|
|
std::strstreambuf sb(buf, sizeof(buf), buf);
|
|
assert(sb.sgetc() == EOF);
|
|
assert(sb.sputc('e') == 'e');
|
|
assert(sb.sputc('f') == 'f');
|
|
assert(sb.sputc('g') == 'g');
|
|
assert(sb.sputc('h') == 'h');
|
|
assert(sb.sputc('i') == 'i');
|
|
assert(sb.sputc('j') == EOF);
|
|
assert(sb.sgetc() == 'e');
|
|
assert(sb.snextc() == 'f');
|
|
assert(sb.snextc() == 'g');
|
|
assert(sb.snextc() == 'h');
|
|
assert(sb.snextc() == 'i');
|
|
assert(sb.snextc() == EOF);
|
|
}
|
|
{
|
|
unsigned char buf[] = "abcd";
|
|
std::strstreambuf sb(buf, 0, buf);
|
|
assert(sb.sgetc() == EOF);
|
|
assert(sb.sputc('e') == 'e');
|
|
assert(sb.sputc('f') == 'f');
|
|
assert(sb.sputc('g') == 'g');
|
|
assert(sb.sputc('h') == 'h');
|
|
assert(sb.sputc('i') == EOF);
|
|
assert(sb.sgetc() == 'e');
|
|
assert(sb.snextc() == 'f');
|
|
assert(sb.snextc() == 'g');
|
|
assert(sb.snextc() == 'h');
|
|
assert(sb.snextc() == EOF);
|
|
}
|
|
{
|
|
unsigned char buf[10] = "abcd";
|
|
int s = std::strlen((char*)buf);
|
|
std::strstreambuf sb(buf, sizeof(buf)-s, buf + s);
|
|
assert(sb.sgetc() == 'a');
|
|
assert(sb.snextc() == 'b');
|
|
assert(sb.snextc() == 'c');
|
|
assert(sb.snextc() == 'd');
|
|
assert(sb.snextc() == EOF);
|
|
assert(sb.sputc('e') == 'e');
|
|
assert(sb.sputc('f') == 'f');
|
|
assert(sb.sputc('g') == 'g');
|
|
assert(sb.sputc('h') == 'h');
|
|
assert(sb.sputc('i') == 'i');
|
|
assert(sb.sputc('j') == 'j');
|
|
assert(sb.sputc('j') == EOF);
|
|
assert(sb.sgetc() == 'e');
|
|
assert(sb.snextc() == 'f');
|
|
assert(sb.snextc() == 'g');
|
|
assert(sb.snextc() == 'h');
|
|
assert(sb.snextc() == 'i');
|
|
assert(sb.snextc() == 'j');
|
|
assert(sb.snextc() == EOF);
|
|
}
|
|
}
|