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118 lines
3.4 KiB
Plaintext
118 lines
3.4 KiB
Plaintext
# Copyright (C) 2014-2015 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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standard_testfile
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if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug] == -1} {
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return -1
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}
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# Test throwing an error while GDB is handling a target event. We use
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# a ctrl-c/quit in a pagination prompt to emulate an error. COMMAND
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# is either "continue" or "wrapcont". The latter is a continue issued
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# from a user-defined command. That exercises the case of the
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# interpreter forced sync, which was the case that originally had a
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# bug.
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proc cancel_pagination_in_target_event { command } {
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global binfile srcfile
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global gdb_prompt pagination_prompt
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set testline [gdb_get_line_number "after sleep"]
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with_test_prefix "ctrlc target event: $command" {
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clean_restart $binfile
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if ![runto_main] then {
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fail "Can't run to main"
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return 0
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}
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gdb_test "b $srcfile:$testline" \
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"Breakpoint .*$srcfile, line $testline.*" \
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"set breakpoint"
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gdb_test_no_output "set height 2"
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if { $command == "wrapcont" } {
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gdb_test_multiple "define wrapcont" "define user command: wrapcont" {
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-re "Type commands for definition of \"wrapcont\".\r\nEnd with a line saying just \"end\".\r\n>$" {
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# Note that "Continuing." is ommitted when
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# "continue" is issued from a user-defined
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# command. Issue it ourselves.
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gdb_test "echo Continuing\.\ncontinue\nend" "" \
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"define user command: wrapcont"
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}
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}
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}
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# Wait for pagination prompt after the "Continuing" line,
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# indicating the program was running and then stopped.
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set saw_continuing 0
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set test "continue to pagination"
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gdb_test_multiple "$command" $test {
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-re "$pagination_prompt$" {
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if {$saw_continuing} {
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pass $test
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} else {
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send_gdb "\n"
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exp_continue
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}
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}
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-re "Continuing" {
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set saw_continuing 1
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exp_continue
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}
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}
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# We're now stopped in a pagination query while handling a
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# target event (printing where the program stopped). Quitting
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# the pagination should result in only one prompt being
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# output.
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send_gdb "\003p 1\n"
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# Note gdb_test_multiple has a default match for the prompt,
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# which issues a FAIL. Consume the first prompt.
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set test "first prompt"
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gdb_test_multiple "" $test {
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-re "$gdb_prompt" {
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pass "first prompt"
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}
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}
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# We should only see one prompt more, and it should be
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# preceeded by print's output.
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set test "no double prompt"
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gdb_test_multiple "" $test {
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-re "$gdb_prompt.*$gdb_prompt $" {
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# The bug is present, and expect managed to read
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# enough characters into the buffer to fill it with
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# both prompts.
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fail $test
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}
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-re " = 1\r\n$gdb_prompt $" {
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pass $test
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}
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}
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# In case the board file wants to send further commands.
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gdb_test_no_output "set height unlimited"
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}
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}
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foreach variant { "continue" "wrapcont" } {
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cancel_pagination_in_target_event $variant
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}
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