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cdd44f674b
* tests/misc/printf-surprise: New file. Test for 2007-10-21's fix. * tests/misc/Makefile.am (TESTS): Add printf-surprise.
44 lines
1.5 KiB
Bash
Executable File
44 lines
1.5 KiB
Bash
Executable File
#!/bin/sh
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# Detect printf(3) failure even when it doesn't set stream error indicator
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# Copyright (C) 2007 Free Software Foundation, Inc.
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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prog="$abs_top_builddir/src/printf"
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if test "$VERBOSE" = yes; then
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set -x
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"$prog" --version
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fi
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. $srcdir/../test-lib.sh
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fail=0
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# The literal width below is 2^31-1.
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# I expect this usage of the printf program to fail.
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# However, it depends on the C library printf function.
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# It could conceivably output "1." and 2GB worth of '0's.
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# You can provoke misbehavior with a much smaller width if you limit
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# virtual memory via, e.g., ulimit -v 10000, but using ulimit would
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# be tricky, since it's not portable.
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"$prog" %.2147483647f 1 > /dev/null 2> err && fail=1
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echo "$prog: cannot perform formatted output: Cannot allocate memory" \
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> exp || framework_failure
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compare err exp || fail=1
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(exit $fail); exit $fail
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