143 lines
4.9 KiB
Text
143 lines
4.9 KiB
Text
# Copyright 2003-2016 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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#
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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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#
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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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# This file was written by Joel Brobecker (brobecker@gnat.com), derived
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# from xfullpath.exp.
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load_lib selftest-support.exp
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proc attach_first_observer { message } {
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gdb_test_no_output "set \$first_obs = observer_attach_test_notification (&observer_test_first_notification_function)" \
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"$message; attach first observer"
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}
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proc attach_second_observer { message } {
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gdb_test_no_output "set \$second_obs = observer_attach_test_notification (&observer_test_second_notification_function)" \
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"$message; attach second observer"
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}
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proc attach_third_observer { message } {
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gdb_test_no_output "set \$third_obs = observer_attach_test_notification (&observer_test_third_notification_function)" \
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"$message; attach third observer"
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}
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proc detach_first_observer { message } {
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gdb_test_no_output "call observer_detach_test_notification (\$first_obs)" \
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"$message; detach first observer"
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}
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proc detach_second_observer { message } {
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gdb_test_no_output "call observer_detach_test_notification (\$second_obs)" \
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"$message; detach second observer"
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}
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proc detach_third_observer { message } {
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gdb_test_no_output "call observer_detach_test_notification (\$third_obs)" \
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"$message; detach third observer"
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}
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proc check_counters { first second third message } {
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gdb_test "print observer_test_first_observer" \
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".\[0-9\]+ =.*$first" \
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"$message; check first observer counter value"
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gdb_test "print observer_test_second_observer" \
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".\[0-9\]+ =.*$second" \
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"$message; check second observer counter value"
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gdb_test "print observer_test_third_observer" \
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".\[0-9\]+ =.*$third" \
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"$message; check third observer counter value"
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}
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proc reset_counters { message } {
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gdb_test_no_output "set variable observer_test_first_observer = 0" \
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"$message; reset first observer counter"
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gdb_test_no_output "set variable observer_test_second_observer = 0" \
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"$message; reset second observer counter"
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gdb_test_no_output "set variable observer_test_third_observer = 0" \
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"$message; reset third observer counter"
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}
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proc test_notifications { first second third message args } {
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# Do any initialization
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for {set i 0} {$i < [llength $args]} {incr i} {
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[lindex $args $i] $message
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}
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reset_counters $message
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# Call observer_notify_test_notification. Note that this procedure
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# takes one argument, but this argument is ignored by the observer
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# callbacks we have installed. So we just pass an arbitrary value.
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gdb_test_no_output "call observer_notify_test_notification (0)" \
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"$message; sending notification"
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check_counters $first $second $third $message
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}
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proc test_observer {} {
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# First, try sending a notification without any observer attached.
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test_notifications 0 0 0 "no observer attached"
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# Now, attach one observer, and send a notification.
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test_notifications 0 1 0 "second observer attached" \
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attach_second_observer
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# Remove the observer, and send a notification.
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test_notifications 0 0 0 "second observer detached" \
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detach_second_observer
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# With a new observer.
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test_notifications 1 0 0 "1st observer added" \
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attach_first_observer
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# With 2 observers.
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test_notifications 1 1 0 "2nd observer added" \
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attach_second_observer
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# With 3 observers.
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test_notifications 1 1 1 "3rd observer added" \
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attach_third_observer
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# Remove middle observer.
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test_notifications 1 0 1 "2nd observer removed" \
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detach_second_observer
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# Remove first observer.
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test_notifications 0 0 1 "1st observer removed" \
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detach_first_observer
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# Remove last observer.
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test_notifications 0 0 0 "3rd observer removed" \
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detach_third_observer
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# Go back to 3 observers, and remove them in a different order...
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test_notifications 1 1 1 "three observers added" \
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attach_first_observer \
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attach_second_observer \
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attach_third_observer
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# Remove the third observer.
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test_notifications 1 1 0 "third observer removed" \
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detach_third_observer
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# Remove the second observer.
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test_notifications 1 0 0 "second observer removed" \
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detach_second_observer
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# Remove the first observer, no more observers.
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test_notifications 0 0 0 "first observer removed" \
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detach_first_observer
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return 0
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}
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do_self_tests captured_main test_observer
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