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# Test for the errno pretty-printer.
# Copyright (C) 2017 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/>.
import sys
from test_printers_common import *
test_source = sys.argv[1]
test_bin = sys.argv[2]
printer_files = sys.argv[3:]
printer_names = ['global glibc-errno']
try:
init_test(test_bin, printer_files, printer_names)
go_to_main()
# All supported versions of gdb do run the pretty-printer on an
# _array_ of error_t.
test_printer('array_of_error_t',
r'= \{0 \(Success\), \d+ \(ERANGE\), -2\}', is_ptr=False)
# Some versions of gdb don't run the pretty-printer on a _scalar_
# whose type is error_t. If we have such a gdb, the test is
# unsupported.
test('print (error_t) 0',
pattern = r'= 0 \(Success\)$',
unsupported_pattern = r'= 0$')
# Some versions of gdb don't support reading thread-specific variables;
# these versions may also have trouble reading errno.
test('print ensure_gdb_can_read_thread_variables',
pattern = r'= 0$',
unsupported_pattern = r'Cannot find thread-local')
next_cmd()
next_cmd()
test_printer('errno', r'0 (Success)', is_ptr=False)
next_cmd()
test_printer('errno', r'\d+ (ERANGE)', is_ptr=False)
break_at(test_source, 'test errno 2', is_ptr=False)
continue_cmd()
next_cmd()
test_printer('errno', r'-2', is_ptr=False)
continue_cmd() # Exit
except (NoLineError, pexpect.TIMEOUT) as exception:
print('Error: {0}'.format(exception))
result = FAIL
else:
print('Test succeeded.')
result = PASS
exit(result)
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