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32d0add0 | 1 | # Copyright (C) 2014-2015 Free Software Foundation, Inc. |
1e973570 PA |
2 | |
3 | # This program is free software; you can redistribute it and/or modify | |
4 | # it under the terms of the GNU General Public License as published by | |
5 | # the Free Software Foundation; either version 3 of the License, or | |
6 | # (at your option) any later version. | |
7 | # | |
8 | # This program is distributed in the hope that it will be useful, | |
9 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | # GNU General Public License for more details. | |
12 | # | |
13 | # You should have received a copy of the GNU General Public License | |
14 | # along with this program. If not, see <http://www.gnu.org/licenses/>. | |
15 | ||
87a3a92c SL |
16 | if [target_info exists gdb,nointerrupts] { |
17 | verbose "Skipping double-prompt-target-event-error.exp because of nointerrupts." | |
18 | return | |
19 | } | |
20 | ||
1e973570 PA |
21 | standard_testfile |
22 | ||
23 | if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug] == -1} { | |
24 | return -1 | |
25 | } | |
26 | ||
27 | # Test throwing an error while GDB is handling a target event. We use | |
28 | # a ctrl-c/quit in a pagination prompt to emulate an error. COMMAND | |
29 | # is either "continue" or "wrapcont". The latter is a continue issued | |
30 | # from a user-defined command. That exercises the case of the | |
31 | # interpreter forced sync, which was the case that originally had a | |
32 | # bug. | |
33 | ||
34 | proc cancel_pagination_in_target_event { command } { | |
35 | global binfile srcfile | |
36 | global gdb_prompt pagination_prompt | |
37 | ||
38 | set testline [gdb_get_line_number "after sleep"] | |
39 | ||
40 | with_test_prefix "ctrlc target event: $command" { | |
41 | clean_restart $binfile | |
42 | ||
43 | if ![runto_main] then { | |
44 | fail "Can't run to main" | |
45 | return 0 | |
46 | } | |
47 | ||
48 | gdb_test "b $srcfile:$testline" \ | |
49 | "Breakpoint .*$srcfile, line $testline.*" \ | |
50 | "set breakpoint" | |
51 | ||
52 | gdb_test_no_output "set height 2" | |
53 | ||
54 | if { $command == "wrapcont" } { | |
55 | gdb_test_multiple "define wrapcont" "define user command: wrapcont" { | |
56 | -re "Type commands for definition of \"wrapcont\".\r\nEnd with a line saying just \"end\".\r\n>$" { | |
57 | # Note that "Continuing." is ommitted when | |
58 | # "continue" is issued from a user-defined | |
59 | # command. Issue it ourselves. | |
60 | gdb_test "echo Continuing\.\ncontinue\nend" "" \ | |
61 | "define user command: wrapcont" | |
62 | } | |
63 | } | |
64 | } | |
65 | ||
66 | # Wait for pagination prompt after the "Continuing" line, | |
67 | # indicating the program was running and then stopped. | |
68 | set saw_continuing 0 | |
69 | set test "continue to pagination" | |
70 | gdb_test_multiple "$command" $test { | |
71 | -re "$pagination_prompt$" { | |
72 | if {$saw_continuing} { | |
73 | pass $test | |
74 | } else { | |
75 | send_gdb "\n" | |
76 | exp_continue | |
77 | } | |
78 | } | |
79 | -re "Continuing" { | |
80 | set saw_continuing 1 | |
81 | exp_continue | |
82 | } | |
1e973570 PA |
83 | } |
84 | ||
85 | # We're now stopped in a pagination query while handling a | |
86 | # target event (printing where the program stopped). Quitting | |
87 | # the pagination should result in only one prompt being | |
88 | # output. | |
89 | send_gdb "\003p 1\n" | |
90 | ||
c3f814a1 PA |
91 | # Note gdb_test_multiple has a default match for the prompt, |
92 | # which issues a FAIL. Consume the first prompt. | |
93 | set test "first prompt" | |
94 | gdb_test_multiple "" $test { | |
95 | -re "$gdb_prompt" { | |
96 | pass "first prompt" | |
97 | } | |
98 | } | |
99 | ||
100 | # We should only see one prompt more, and it should be | |
101 | # preceeded by print's output. | |
1e973570 PA |
102 | set test "no double prompt" |
103 | gdb_test_multiple "" $test { | |
c3f814a1 PA |
104 | -re "$gdb_prompt.*$gdb_prompt $" { |
105 | # The bug is present, and expect managed to read | |
106 | # enough characters into the buffer to fill it with | |
107 | # both prompts. | |
1e973570 PA |
108 | fail $test |
109 | } | |
c3f814a1 | 110 | -re " = 1\r\n$gdb_prompt $" { |
1e973570 PA |
111 | pass $test |
112 | } | |
1e973570 PA |
113 | } |
114 | ||
115 | # In case the board file wants to send further commands. | |
116 | gdb_test_no_output "set height unlimited" | |
117 | } | |
118 | } | |
119 | ||
120 | foreach variant { "continue" "wrapcont" } { | |
121 | cancel_pagination_in_target_event $variant | |
122 | } |