diff options
Diffstat (limited to 'libstdc++-v3/testsuite/27_io/filebuf_virtuals.cc')
| -rw-r--r-- | libstdc++-v3/testsuite/27_io/filebuf_virtuals.cc | 308 |
1 files changed, 306 insertions, 2 deletions
diff --git a/libstdc++-v3/testsuite/27_io/filebuf_virtuals.cc b/libstdc++-v3/testsuite/27_io/filebuf_virtuals.cc index 0a92788296a..d650c4a91c0 100644 --- a/libstdc++-v3/testsuite/27_io/filebuf_virtuals.cc +++ b/libstdc++-v3/testsuite/27_io/filebuf_virtuals.cc @@ -1,6 +1,6 @@ // 2001-05-21 Benjamin Kosnik <bkoz@redhat.com> -// Copyright (C) 2001, 2002 Free Software Foundation, Inc. +// Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the @@ -21,6 +21,12 @@ // 27.8.1.4 Overridden virtual functions #include <fstream> +#include <unistd.h> +#include <signal.h> +#include <fcntl.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <locale> #include <testsuite_hooks.h> // @require@ %-*.tst %-*.txt @@ -70,7 +76,10 @@ const char carray_02[] = "memphis, new orleans, and savanah"; const char name_01[] = "filebuf_virtuals-1.txt"; // file with data in it const char name_02[] = "filebuf_virtuals-2.txt"; // empty file, need to create const char name_03[] = "filebuf_virtuals-3.txt"; // empty file, need to create - +const char name_04[] = "filebuf_virtuals-4.txt"; // empty file, need to create +const char name_05[] = "filebuf_virtuals-5.txt"; // empty file, need to create +const char name_06[] = "filebuf_virtuals-6.txt"; // empty file, need to create +const char name_07[] = "filebuf_virtuals-7.txt"; // empty file, need to create class derived_filebuf: public std::filebuf { @@ -514,6 +523,292 @@ void test06() VERIFY( buffer[0] == 'a' ); } +// libstdc++/9322 +void test07() +{ + using std::locale; + bool test = true; + + locale loc; + std::filebuf ob; + VERIFY( ob.getloc() == loc ); + + locale::global(locale("en_US")); + VERIFY( ob.getloc() == loc ); + + locale loc_de ("de_DE"); + locale ret = ob.pubimbue(loc_de); + VERIFY( ob.getloc() == loc_de ); + VERIFY( ret == loc ); + + locale::global(loc); + VERIFY( ob.getloc() == loc_de ); +} + +class MyTraits : public std::char_traits<char> +{ +public: + static bool eq(char c1, char c2) + { + VERIFY( c1 != 'X' ); + VERIFY( c2 != 'X' ); + return std::char_traits<char>::eq(c1, c2); + } +}; + +class MyBuf : public std::basic_streambuf<char, MyTraits> +{ + char buffer[8]; + +public: + MyBuf() + { + std::memset(buffer, 'X', sizeof(buffer)); + std::memset(buffer + 2, 'f', 4); + setg(buffer + 2, buffer + 2, buffer + 6); + } +}; + +// libstdc++/9538 +void test08() +{ + bool test = true; + + MyBuf mb; + mb.sputbackc('a'); +} + +// libstdc++/9439, libstdc++/9425 +void test09() +{ + using namespace std; + bool test = true; + + filebuf fbuf; + fbuf.open(name_01, ios_base::in); + filebuf::int_type r = fbuf.sputbackc('a'); + fbuf.close(); + + VERIFY( r == filebuf::traits_type::eof() ); +} + +class Cvt_to_upper : public std::codecvt<char, char, mbstate_t> +{ + bool do_always_noconv() const throw() + { + return false; + } +}; + +// libstdc++/9169 +void test10() +{ + using namespace std; + bool test = true; + + locale c_loc; + locale loc(c_loc, new Cvt_to_upper); + + string str("abcdefghijklmnopqrstuvwxyz"); + string tmp; + + { + ofstream out; + out.imbue(loc); + out.open(name_04); + copy(str.begin(), str.end(), + ostreambuf_iterator<char>(out)); + } + + { + ifstream in; + in.open(name_04); + copy(istreambuf_iterator<char>(in), + istreambuf_iterator<char>(), + back_inserter(tmp)); + } + + VERIFY( tmp.size() == str.size() ); + VERIFY( tmp == str ); +} + +// libstdc++/9825 +void test11() +{ + using namespace std; + bool test = true; + + filebuf fbuf; + + fbuf.open(name_05, ios_base::in|ios_base::out|ios_base::trunc); + fbuf.sputn("crazy bees!", 11); + fbuf.pubseekoff(0, ios_base::beg); + fbuf.sbumpc(); + fbuf.sputbackc('x'); + filebuf::int_type c = fbuf.sbumpc(); + VERIFY( c == 'x' ); + c = fbuf.sbumpc(); + VERIFY( c == 'r' ); + c = fbuf.sbumpc(); + VERIFY( c == 'a' ); + fbuf.close(); +} + +class errorcvt : public std::codecvt<char, char, mbstate_t> +{ +protected: + std::codecvt_base::result + do_out(mbstate_t&, const char* from, const char*, + const char*& from_next, char* to, char*, + char*& to_next) const + { + from_next = from; + to_next = to; + return std::codecvt<char, char, mbstate_t>::error; + } + + virtual bool do_always_noconv() const throw() + { + return false; + } +}; + +// libstdc++/9182 +void test12() +{ + using namespace std; + bool test = true; + + locale loc; + loc = locale(loc, new errorcvt); + + filebuf fbuf1; + fbuf1.pubimbue(loc); + fbuf1.open(name_06, ios_base::out | ios_base::trunc); + fbuf1.sputn("ison", 4); + int r = fbuf1.pubsync(); + VERIFY( r == -1 ); + fbuf1.close(); +} + +void test13() +{ + using namespace std; + bool test = true; + + locale loc; + loc = locale(loc, new errorcvt); + + filebuf fbuf1; + fbuf1.pubimbue(loc); + fbuf1.pubsetbuf(0, 0); + fbuf1.open(name_06, ios_base::out | ios_base::trunc); + streamsize n = fbuf1.sputn("onne", 4); + VERIFY( n == 0 ); + fbuf1.close(); +} + +class OverBuf : public std::filebuf +{ +public: + int_type pub_overflow(int_type c = traits_type::eof()) + { return std::filebuf::overflow(c); } +}; + +// libstdc++/9988 +void test14() +{ + using namespace std; + bool test = true; + + OverBuf fb; + fb.open(name_07, ios_base::out | ios_base::trunc); + + fb.sputc('a'); + fb.pub_overflow('b'); + fb.pub_overflow(); + fb.sputc('c'); + fb.close(); + + filebuf fbin; + fbin.open(name_07, ios_base::in); + filebuf::int_type c; + c = fbin.sbumpc(); + VERIFY( c == 'a' ); + c = fbin.sbumpc(); + VERIFY( c == 'b' ); + c = fbin.sbumpc(); + VERIFY( c == 'c' ); + c = fbin.sbumpc(); + VERIFY( c == filebuf::traits_type::eof() ); + fbin.close(); +} + +class UnderBuf : public std::filebuf +{ +public: + int_type + pub_underflow() + { return underflow(); } + + std::streamsize + pub_showmanyc() + { return showmanyc(); } +}; + +// libstdc++/10097 +void test15() +{ + using namespace std; + bool test = true; + + const char* name = "tmp_fifo1"; + + signal(SIGPIPE, SIG_IGN); + unlink(name); + + if (0 != mkfifo(name, S_IRWXU)) + { + VERIFY( false ); + } + + int fval = fork(); + if (fval == -1) + { + unlink(name); + VERIFY( false ); + } + else if (fval == 0) + { + filebuf fbout; + fbout.open(name, ios_base::out); + fbout.sputn("0123456789", 10); + fbout.pubsync(); + sleep(2); + fbout.close(); + exit(0); + } + + UnderBuf fb; + fb.open(name, ios_base::in); + sleep(1); + + fb.sgetc(); + streamsize n = fb.pub_showmanyc(); + + while (n > 0) + { + --n; + + UnderBuf::int_type c = fb.pub_underflow(); + VERIFY( c != UnderBuf::traits_type::eof() ); + + fb.sbumpc(); + } + + fb.close(); +} + main() { test01(); @@ -524,5 +819,14 @@ main() test05(); test06(); + test07(); + test08(); + test09(); + test10(); + test11(); + test12(); + test13(); + test14(); + test15(); return 0; } |