testsuite_io.h (class sync_buf): New, templatized version of sync_streambuf; add typedefs for streambuf/wstreambuf.

2004-12-02  Paolo Carlini  <pcarlini@suse.de>

	* testsuite/testsuite_io.h (class sync_buf): New, templatized
	version of sync_streambuf; add typedefs for streambuf/wstreambuf.
	(class fail_buf): Likewise, for fail_streambuf.
	(class fail_num_get): Templatize and add char/wchar_t typedefs.
	(class fail_num_put): Likewise.
	* testsuite/27_io/basic_istream/extractors_arithmetic/char/
	exceptions_badbit_throw.cc: Use the latter.
	* testsuite/27_io/basic_istream/extractors_arithmetic/char/
	exceptions_failbit_throw.cc: Likewise.
	* testsuite/27_io/basic_ostream/inserters_arithmetic/char/
	exceptions_badbit_throw.cc: Likewise.
	* testsuite/27_io/basic_ostream/inserters_arithmetic/char/
	exceptions_failbit_throw.cc: Likewise.

From-SVN: r91635