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# Copyright 2021-2022 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# GDB reads some environment variables on startup, make sure it behaves
# correctly if these variables are defined but empty.
set all_env_vars { HOME XDG_CACHE_HOME LOCALAPPDATA XDG_CONFIG_HOME }
# Record the initial value of the index-cache directory.
clean_restart
set index_cache_directory ""
gdb_test_multiple "show index-cache directory" "" {
-re -wrap "The directory of the index cache is \"(.*)\"\\." {
set index_cache_directory $expect_out(1,string)
set index_cache_directory [string_to_regexp $index_cache_directory]
pass $gdb_test_name
}
}
foreach_with_prefix env_var_name $all_env_vars {
# Restore the original state of the environment variable.
save_vars env($env_var_name) {
set env($env_var_name) {}
clean_restart
# Verify that the empty environment variable didn't affect the
# index-cache directory setting, that we still see the initial value.
# "HOME" is different, because if that one is unset, GDB isn't even
# able to compute the default location. In that case, we expect it to
# be empty.
if { $env_var_name == "HOME" } {
gdb_test "show index-cache directory" \
"The directory of the index cache is \"\"\\."
} else {
gdb_test "show index-cache directory" \
"The directory of the index cache is \"$index_cache_directory\"\\."
}
}
}
# Try the same, but with all the env vars set to an empty value at the same
# time.
with_test_prefix "all env vars" {
set save_vars_arg {}
foreach env_var_name $all_env_vars {
lappend save_vars_arg env($env_var_name)
}
# Restore the original state of all the environment variables.
save_vars $save_vars_arg {
foreach env_var_name $all_env_vars {
set env($env_var_name) {}
}
clean_restart
gdb_test "show index-cache directory" \
"The directory of the index cache is \"\"\\."
}
}
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