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// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
#include "common/PrebufferedStreambuf.h"
#include "gtest/gtest.h"
TEST(PrebufferedStreambuf, Empty)
{
char buf[10];
PrebufferedStreambuf sb(buf, sizeof(buf));
std::istream is(&sb);
std::string out;
getline(is, out);
ASSERT_EQ("", out);
}
TEST(PrebufferedStreambuf, Simple)
{
char buf[10];
PrebufferedStreambuf sb(buf, sizeof(buf));
std::ostream os(&sb);
os << "test";
std::istream is(&sb);
std::string out;
getline(is, out);
ASSERT_EQ("test", out);
}
TEST(PrebufferedStreambuf, Multiline)
{
char buf[10];
PrebufferedStreambuf sb(buf, sizeof(buf));
std::ostream os(&sb);
const char *s = "this is a line\nanother line\nand a third\nwhee!\n";
os << s;
std::istream is(&sb);
std::string out;
getline(is, out, is.widen(0));
ASSERT_EQ(s, out);
}
TEST(PrebufferedStreambuf, Withnull)
{
char buf[10];
PrebufferedStreambuf sb(buf, sizeof(buf));
std::ostream os(&sb);
std::string s("null \0 and more", 15);
os << s;
std::istream is(&sb);
std::string out;
getline(is, out);
ASSERT_EQ(s, out);
}
TEST(PrebufferedStreambuf, SimpleOverflow)
{
char buf[10];
PrebufferedStreambuf sb(buf, sizeof(buf));
std::ostream os(&sb);
const char *s = "hello, this is longer than buf[10]";
os << s;
ASSERT_EQ(s, sb.get_str());
std::istream is(&sb);
std::string out;
getline(is, out);
ASSERT_EQ(s, out);
}
TEST(PrebufferedStreambuf, ManyOverflow)
{
char buf[10];
PrebufferedStreambuf sb(buf, sizeof(buf));
std::ostream os(&sb);
const char *s = "hello, this way way way way way way way way way way way way way way way way way way way way way way way way way _way_ longer than buf[10]";
os << s;
ASSERT_EQ(s, sb.get_str());
std::istream is(&sb);
std::string out;
getline(is, out);
ASSERT_EQ(s, out);
}
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