diff options
Diffstat (limited to 'stdio-common')
| -rw-r--r-- | stdio-common/Makefile | 10 | ||||
| -rw-r--r-- | stdio-common/tst-printfsz-islongdouble.c | 51 | ||||
| -rw-r--r-- | stdio-common/tst-printfsz-islongdouble.sh | 38 |
3 files changed, 97 insertions, 2 deletions
diff --git a/stdio-common/Makefile b/stdio-common/Makefile index 738a3cead0..96bd7c303a 100644 --- a/stdio-common/Makefile +++ b/stdio-common/Makefile @@ -63,13 +63,14 @@ tests := tstscanf test_rdwr test-popen tstgetln test-fseek \ tst-vfprintf-mbs-prec \ tst-scanf-round \ -test-srcs = tst-unbputc tst-printf +test-srcs = tst-unbputc tst-printf tst-printfsz-islongdouble ifeq ($(run-built-tests),yes) tests-special += $(objpfx)tst-unbputc.out $(objpfx)tst-printf.out \ $(objpfx)tst-printf-bz18872-mem.out \ $(objpfx)tst-setvbuf1-cmp.out \ - $(objpfx)tst-vfprintf-width-prec-mem.out + $(objpfx)tst-vfprintf-width-prec-mem.out \ + $(objpfx)tst-printfsz-islongdouble.out generated += tst-printf-bz18872.c tst-printf-bz18872.mtrace \ tst-printf-bz18872-mem.out \ tst-vfprintf-width-prec.mtrace tst-vfprintf-width-prec-mem.out @@ -103,6 +104,11 @@ $(objpfx)tst-printf.out: tst-printf.sh $(objpfx)tst-printf $(SHELL) $< $(common-objpfx) '$(test-program-prefix)' > $@; \ $(evaluate-test) +$(objpfx)tst-printfsz-islongdouble.out: \ + tst-printfsz-islongdouble.sh $(objpfx)tst-printfsz-islongdouble + $(SHELL) $^ '$(test-program-prefix)' $@; \ + $(evaluate-test) + # We generate this source because it requires a printf invocation with # 10K arguments. $(objpfx)tst-printf-bz18872.c: tst-printf-bz18872.sh diff --git a/stdio-common/tst-printfsz-islongdouble.c b/stdio-common/tst-printfsz-islongdouble.c new file mode 100644 index 0000000000..a6a534bb3d --- /dev/null +++ b/stdio-common/tst-printfsz-islongdouble.c @@ -0,0 +1,51 @@ +/* Test for the behaviour of 'is_long_double' in printf_size. + Copyright (C) 2018 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <printf.h> +#include <stdio.h> +#include <string.h> + +#include <support/check.h> + +static int +do_test (void) +{ + double d = 2000; + double *dptr = &d; + long double ld = 4000; + long double *ldptr = & ld; + struct printf_info info; + + memset (&info, 0, sizeof (info)); + info.spec = L'f'; + + /* Print a value with double type. */ + printf_size (stdout, &info, (void *) &dptr); + + /* Printf a value with long double type. */ + info.is_long_double = 1; + printf_size (stdout, &info, (void *) &ldptr); + + /* Setting both 'is_long_double' and 'is_binary128' to one is out of + the scope of this test, because such configuration is only valid + when _Float128 and long double are ABI-distinct (which is not + always true in this arch-independent test). */ + return 0; +} + +#include <support/test-driver.c> diff --git a/stdio-common/tst-printfsz-islongdouble.sh b/stdio-common/tst-printfsz-islongdouble.sh new file mode 100644 index 0000000000..6eda634844 --- /dev/null +++ b/stdio-common/tst-printfsz-islongdouble.sh @@ -0,0 +1,38 @@ +#!/bin/sh +# Test for the behaviour of 'is_binary128' in printf_size. +# Copyright (C) 2018 Free Software Foundation, Inc. +# This file is part of the GNU C Library. + +# The GNU C Library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. + +# The GNU C Library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. + +# You should have received a copy of the GNU Lesser General Public +# License along with the GNU C Library; if not, see +# <http://www.gnu.org/licenses/>. + +set -e + +test_program=$1; shift +test_program_prefix=$1; shift +test_program_output=$1; shift + +status=0 + +${test_program_prefix} \ + ${test_program} \ + > ${test_program_output} || status=1 + +echo -n "2k4k" | cmp - ${test_program_output} > /dev/null 2>&1 || +{ + status=1 + echo "*** output comparison failed" +} + +exit $status |