b6dafabfb1
gdb/testsuite/ChangeLog: * gdb.base/gdbhistsize-history.exp (test_histsize_history_setting): Use save_vars. * gdb.base/gdbinit-history.exp (test_gdbinit_history_setting): Use save_vars. (test_no_truncation_of_unlimited_history_file): Use save_vars. * gdb.base/readline.exp: Use save_vars.
124 lines
3.9 KiB
Text
124 lines
3.9 KiB
Text
# Copyright 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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# This file is part of the gdb testsuite.
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# Test the setting of "history size" via $HOME/.gdbinit
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# Check that the history size is properly set to SIZE when reading the .gdbinit
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# file located in HOME with the environment variable GDBHISTSIZE optionally
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# set to GDBHISTSIZE_VAL.
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proc test_gdbinit_history_setting { home size { gdbhistsize_val "-" } } {
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global env
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global INTERNAL_GDBFLAGS
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global srcdir
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global subdir
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save_vars { INTERNAL_GDBFLAGS env(GDBHISTSIZE) env(HOME) } {
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set env(HOME) "$srcdir/$subdir/$home"
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# The GDBHISTSIZE environment variable takes precedence over whatever
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# history size is set in .gdbinit. Make sure the former is not
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# set.
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unset -nocomplain env(GDBHISTSIZE)
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if { $gdbhistsize_val != "-" } {
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set env(GDBHISTSIZE) $gdbhistsize_val
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}
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set INTERNAL_GDBFLAGS [string map {"-nx" ""} $INTERNAL_GDBFLAGS]
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set prefix "home=$home"
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if { $gdbhistsize_val != "-" } {
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append prefix " gdbhistsize=$gdbhistsize_val"
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}
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with_test_prefix $prefix {
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gdb_exit
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gdb_start
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gdb_test "show history size" "The size of the command history is $size."
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if { $size == "0" } {
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gdb_test_no_output "show commands"
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} elseif { $size != "1" } {
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gdb_test "show commands" " . show history size\r\n . show commands"
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}
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}
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}
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}
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# Check that the history file does not get truncated to zero when a gdbinit
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# file sets the history size to unlimited.
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proc test_no_truncation_of_unlimited_history_file { } {
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global env
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global INTERNAL_GDBFLAGS
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save_vars { INTERNAL_GDBFLAGS env(GDBHISTSIZE) } {
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# The GDBHISTSIZE environment variable takes precedence over whatever
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# history size is set in .gdbinit. Make sure the former is not
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# set.
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unset -nocomplain env(GDBHISTSIZE)
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set temp_gdbinit [standard_output_file "gdbinit-history.gdbinit"]
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set temp_histfile [standard_output_file "gdbinit-history.gdb_history"]
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file delete $temp_gdbinit
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file delete $temp_histfile
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set fd [open $temp_gdbinit "w"]
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puts $fd "set history size unlimited\n"
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puts $fd "set history filename $temp_histfile\n"
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puts $fd "set history save\n"
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close $fd
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append INTERNAL_GDBFLAGS " -x $temp_gdbinit"
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# We have to start then exit GDB twice: the first time to test the creation
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# of the initial history file, and the second time to test appending to it.
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# In either case the initial "print 1" command should persist through the
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# history file.
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with_test_prefix "truncation" {
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gdb_exit
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gdb_start
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gdb_test "print 1"
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with_test_prefix "creating" {
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gdb_exit
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gdb_start
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gdb_test "server show commands" " . print 1.*"
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}
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with_test_prefix "appending" {
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gdb_exit
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gdb_start
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gdb_test "server show commands" " . print 1.*"
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}
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}
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}
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}
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test_gdbinit_history_setting "gdbinit-history/unlimited" "unlimited"
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test_gdbinit_history_setting "gdbinit-history/zero" "0"
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test_no_truncation_of_unlimited_history_file
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# A valid GDBHISTSIZE value overrides the setting inside the .gdbinit file; an
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# invalid GDBHISTSIZE value is ignored, falling back on the setting inside the
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# .gdbinit file.
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test_gdbinit_history_setting "gdbinit-history/unlimited" "1000" "1000"
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test_gdbinit_history_setting "gdbinit-history/unlimited" "unlimited" "foo"
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