projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| b811d2c2 | 1 | # Copyright 2015-2020 Free Software Foundation, Inc. |
| bc460514 PP |
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 is part of the gdb testsuite. | |
| 17 | ||
| 18 | # Test the setting of "history size" via the GDBHISTSIZE environment variable | |
| 19 | ||
| 20 | ||
| 7e763b86 SL |
21 | # We cannot expect remote hosts to see environment variables set on the |
| 22 | # local machine. | |
| 23 | ||
| 24 | if { [is_remote host] } { | |
| 25 | unsupported "can't set environment variables on remote host" | |
| 26 | return -1 | |
| 27 | } | |
| 28 | ||
| bc460514 PP |
29 | # Check that the history size is properly set to SIZE when the environment |
| 30 | # variable ENV_VAR is set to GDBHISTSIZE. | |
| 31 | ||
| 32 | proc test_histsize_history_setting { histsize size { env_var "GDBHISTSIZE" } } { | |
| 33 | global env | |
| 34 | ||
| 2d35e871 JK |
35 | save_vars { env(GDBHISTFILE) env(GDBHISTSIZE) env($env_var) } { |
| 36 | # These environment variables take precedence over whatever | |
| 37 | # history size is set in .gdbinit. Make sure the former is not | |
| 38 | # set. | |
| 39 | unset -nocomplain env(GDBHISTFILE) | |
| 40 | unset -nocomplain env(GDBHISTSIZE) | |
| 41 | ||
| b6dafabf PP |
42 | set env($env_var) $histsize |
| 43 | ||
| 44 | with_test_prefix "histsize=$histsize" { | |
| 45 | gdb_exit | |
| 46 | gdb_start | |
| 47 | ||
| 48 | gdb_test "show history size" "The size of the command history is $size." | |
| 49 | ||
| 50 | if { $size == "0" } { | |
| 51 | gdb_test_no_output "show commands" | |
| 52 | } elseif { $size != "1" } { | |
| 53 | gdb_test "show commands" \ | |
| 54 | " . show history size\r\n . show commands" | |
| 55 | } | |
| 56 | } | |
| bc460514 PP |
57 | } |
| 58 | } | |
| 59 | ||
| 60 | test_histsize_history_setting "" "unlimited" | |
| 61 | test_histsize_history_setting "0" "0" | |
| 62 | test_histsize_history_setting "20" "20" | |
| 63 | test_histsize_history_setting " 20 " "20" | |
| 64 | test_histsize_history_setting "-5" "unlimited" | |
| 65 | ||
| 66 | # Test defaulting to 256 upon encountering a non-numeric GDBHISTSIZE. | |
| 67 | test_histsize_history_setting "not_an_integer" "256" | |
| 68 | test_histsize_history_setting "10zab" "256" | |
| 69 | test_histsize_history_setting "-5ab" "256" | |
| 70 | ||
| 71 | # A huge number (hopefully larger than INT_MAX) | |
| 72 | test_histsize_history_setting "99999999999999999999999999999999999" "unlimited" | |
| 73 | ||
| 74 | # We no longer read HISTSIZE | |
| 75 | test_histsize_history_setting "50" "256" "HISTSIZE" |