1# Copyright 2002-2020 Free Software Foundation, Inc. 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 16# This file was written by Tom Tromey <tromey@redhat.com> 17 18# This file is part of the gdb testsuite. 19 20# 21# Tests for readline operations. 22# 23 24# This function is used to test operate-and-get-next. 25# NAME is the name of the test. 26# ARGS is a list of alternating commands and expected results. 27proc operate_and_get_next {name args} { 28 global gdb_prompt 29 30 set my_gdb_prompt "($gdb_prompt| >)" 31 32 set reverse {} 33 foreach {item result} $args { 34 verbose "sending $item" 35 sleep 1 36 37 # We can't use gdb_test here because we might see a " >" prompt. 38 set status 0 39 send_gdb "$item\n" 40 gdb_expect { 41 -re "$item" { 42 # Ok 43 } 44 timeout { 45 set status 1 46 } 47 } 48 49 if {! $status} { 50 gdb_expect { 51 -re "$result" { 52 # Ok. 53 } 54 timeout { 55 set status 1 56 } 57 } 58 } 59 60 if {$status} { 61 fail "$name - send $item" 62 return 0 63 } 64 pass "$name - send $item" 65 66 set reverse [linsert $reverse 0 $item $result] 67 } 68 69 # Now use C-p to go back to the start. 70 foreach {item result} $reverse { 71 # Actually send C-p followed by C-l. This lets us recognize the 72 # command when gdb prints it again. 73 send_gdb "\x10\x0c" 74 set status 0 75 gdb_expect { 76 -re "$item" { 77 # Ok 78 } 79 timeout { 80 set status 1 81 } 82 } 83 if {$status} { 84 fail "$name - C-p to $item" 85 return 0 86 } 87 pass "$name - C-p to $item" 88 } 89 90 # Now C-o through the list. Don't send the command, since it is 91 # already there. Strip off the first command from the list so we 92 # can see the next command inside the loop. 93 set count 0 94 foreach {item result} $args { 95 set status 0 96 97 # If this isn't the first item, make sure we see the command at 98 # the prompt. 99 if {$count > 0} { 100 gdb_expect { 101 -re ".*$item" { 102 # Ok 103 } 104 timeout { 105 set status 1 106 } 107 } 108 } 109 110 if {! $status} { 111 # For the last item, send a simple \n instead of C-o. 112 if {$count == [llength $args] - 2} { 113 send_gdb "\n" 114 } else { 115 # 15 is C-o. 116 send_gdb [format %c 15] 117 } 118 set status 0 119 gdb_expect { 120 -re "$result" { 121 # Ok 122 } 123 timeout { 124 set status 1 125 } 126 } 127 } 128 129 if {$status} { 130 fail "$name - C-o for $item" 131 return 0 132 } 133 pass "$name - C-o for $item" 134 135 set count [expr {$count + 2}] 136 } 137 138 # Match the prompt so the next test starts at the right place. 139 gdb_test "" ".*" "$name - final prompt" 140 141 return 1 142} 143 144save_vars { env(TERM) } { 145 # The arrow key test relies on the standard VT100 bindings, so 146 # make sure that an appropriate terminal is selected. The same 147 # bug doesn't show up if we use ^P / ^N instead. 148 setenv TERM vt100 149 150 gdb_start 151 gdb_reinitialize_dir $srcdir/$subdir 152 153 if { ![readline_is_used] } { 154 unsupported "readline isn't used." 155 return -1 156 } 157 158 save_vars { timeout env(GDBHISTSIZE) env(GDBHISTFILE) } { 159 set timeout 30 160 161 # A simple test of operate-and-get-next. 162 operate_and_get_next "Simple operate-and-get-next" \ 163 "p 1" ".* = 1" \ 164 "p 2" ".* = 2" \ 165 "p 3" ".* = 3" 166 167 # Test operate-and-get-next with a secondary prompt. 168 operate_and_get_next "operate-and-get-next with secondary prompt" \ 169 "if 1 > 0" "" \ 170 "p 5" "" \ 171 "end" ".* = 5" 172 173 # Verify that arrow keys work in secondary prompts. The control 174 # sequence is a hard-coded VT100 up arrow. 175 gdb_test "print 42" "\\\$\[0-9\]* = 42" 176 set msg "arrow keys with secondary prompt" 177 gdb_test_multiple "if 1 > 0\n\033\[A\033\[A\nend" $msg { 178 -re ".*\\\$\[0-9\]* = 42\r\n$gdb_prompt $" { 179 pass $msg 180 } 181 -re ".*Undefined command:.*$gdb_prompt $" { 182 fail $msg 183 } 184 } 185 186 # Now repeat the first test with a history file that fills the entire 187 # history list. 188 189 set env(GDBHISTFILE) "${srcdir}/${subdir}/gdb_history" 190 set env(GDBHISTSIZE) "10" 191 192 gdb_exit 193 gdb_start 194 gdb_reinitialize_dir $srcdir/$subdir 195 196 operate_and_get_next "Simple operate-and-get-next" \ 197 "p 7" ".* = 7" \ 198 "p 8" ".* = 8" \ 199 "p 9" ".* = 9" 200 } 201} 202