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-rw-r--r--pretty-printers/test-mutex-printer.py92
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diff --git a/pretty-printers/test-mutex-printer.py b/pretty-printers/test-mutex-printer.py
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+# Tests for the MutexPrinter class.
+#
+# Copyright (C) 2016 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_common import *
+
+test_source = sys.argv[1]
+test_bin = sys.argv[2]
+result = PASS
+
+try:
+    init_test(test_bin)
+    go_to_main()
+
+    var = 'mutex'
+    to_string = 'pthread_mutex_t'
+
+    break_at(test_source, 'Test status (destroyed)')
+    continue_cmd() # Go to test_status_destroyed
+    test_printer(var, to_string, {'Status': 'Destroyed'})
+
+    break_at(test_source, 'Test status (non-robust)')
+    continue_cmd() # Go to test_status_no_robust
+    test_printer(var, to_string, {'Status': 'Unlocked'})
+    next_cmd()
+    thread_id = get_current_thread_lwpid()
+    test_printer(var, to_string, {'Status': 'Locked, possibly with no waiters',
+                                  'Owner ID': thread_id})
+
+    break_at(test_source, 'Test status (robust)')
+    continue_cmd() # Go to test_status_robust
+    test_printer(var, to_string, {'Status': 'Unlocked'})
+
+    # We'll now test the robust mutex locking states.  We'll create a new
+    # thread that will lock a robust mutex and exit without unlocking it.
+    break_at(test_source, 'Create')
+    continue_cmd() # Go to test_locking_state_robust
+    # Set a breakpoint for the new thread to hit.
+    break_at(test_source, 'Thread function')
+    continue_cmd()
+    # By now the new thread is created and has hit its breakpoint.
+    set_scheduler_locking(True)
+    parent = '1'
+    child = '2'
+    select_thread(child)
+    child_id = get_current_thread_lwpid()
+    # We've got the new thread's ID.
+    select_thread(parent)
+    # Make the new thread finish its function while we wait.
+    continue_cmd(thread=child)
+    # The new thread should be dead by now.
+    break_at(test_source, 'Test locking (robust)')
+    continue_cmd()
+    test_printer(var, to_string, {'Owner ID': r'{0} \(dead\)'.format(child_id)})
+    # Try to lock and unlock the mutex.
+    next_cmd()
+    test_printer(var, to_string, {'Owner ID': thread_id,
+                           'State protected by this mutex': 'Inconsistent'})
+    next_cmd()
+    test_printer(var, to_string, {'Status': 'Unlocked',
+                        'State protected by this mutex': 'Not recoverable'})
+    set_scheduler_locking(False)
+
+    break_at(test_source, 'Test recursive locks')
+    continue_cmd() # Go to test_recursive_locks
+    test_printer(var, to_string, {'Times locked recursively': '2'})
+    next_cmd()
+    test_printer(var, to_string, {'Times locked recursively': '3'})
+    continue_cmd() # Exit
+
+except (NoLineError, pexpect.TIMEOUT) as exception:
+    print('Error: {0}'.format(exception))
+    result = FAIL
+
+exit(result)