diff options
Diffstat (limited to 'libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/1-io.cc')
| -rw-r--r-- | libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/1-io.cc | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/1-io.cc b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/1-io.cc index 432ed6cdab5..e1d9a38f75e 100644 --- a/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/1-io.cc +++ b/libstdc++-v3/testsuite/27_io/basic_filebuf/sgetn/char/1-io.cc @@ -38,12 +38,12 @@ void test05() typedef filebuf::int_type int_type; typedef filebuf::traits_type traits_type; - bool test = true; + bool test = true; streamsize strmsz_1, strmsz_2, strmsz_3; - int i = 0, j = 0, k = 0; char carray1[13] = ""; char carray2[8192] = ""; + char buffer[8192] = ""; int_type c1, c2, c3, c4; // streamsize sgetn(char_type *s, streamsize n) @@ -55,19 +55,22 @@ void test05() { constraint_filebuf fb_03; fb_03.open(name_03, ios_base::out | ios_base::in | ios_base::trunc); - VERIFY( fb_03.write_position() ); + VERIFY( !fb_03.write_position() ); VERIFY( !fb_03.read_position() ); strmsz_1 = fb_03.sgetn(carray1, 10); VERIFY( strmsz_1 == 0 ); - VERIFY( fb_03.write_position() ); + VERIFY( !fb_03.write_position() ); VERIFY( !fb_03.read_position() ); } // in | out 2 { - constraint_filebuf fb_01; + constraint_filebuf fb_01; + // Need this since BUFSIZ is only guaranteed >= 255 and we want + // to trigger the same underflow situation everywhere. + fb_01.pubsetbuf(buffer, 8192); fb_01.open(name_01, ios_base::in | ios_base::out); - VERIFY( fb_01.write_position() ); + VERIFY( !fb_01.write_position() ); strmsz_1 = fb_01.in_avail(); strmsz_2 = fb_01.sgetn(carray1, 10); VERIFY( strmsz_2 == 10 ); @@ -84,7 +87,7 @@ void test05() VERIFY( strmsz_1 > 0 ); strmsz_2 = fb_01.sgetn(carray2, strmsz_1 + 5); VERIFY( strmsz_1 == strmsz_2 ); //at the end of the actual file - VERIFY( fb_01.write_position() ); + VERIFY( !fb_01.write_position() ); VERIFY( !fb_01.read_position() ); } } |