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213516ef | 1 | # Copyright 2021-2023 Free Software Foundation, Inc. |
6abd4cf2 SM |
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 | # GDB reads some environment variables on startup, make sure it behaves | |
17 | # correctly if these variables are defined but empty. | |
18 | ||
19 | set all_env_vars { HOME XDG_CACHE_HOME LOCALAPPDATA XDG_CONFIG_HOME } | |
20 | ||
21 | # Record the initial value of the index-cache directory. | |
22 | clean_restart | |
23 | set index_cache_directory "" | |
24 | gdb_test_multiple "show index-cache directory" "" { | |
25 | -re -wrap "The directory of the index cache is \"(.*)\"\\." { | |
26 | set index_cache_directory $expect_out(1,string) | |
27 | set index_cache_directory [string_to_regexp $index_cache_directory] | |
28 | pass $gdb_test_name | |
29 | } | |
30 | } | |
31 | ||
32 | foreach_with_prefix env_var_name $all_env_vars { | |
33 | # Restore the original state of the environment variable. | |
34 | save_vars env($env_var_name) { | |
35 | set env($env_var_name) {} | |
36 | clean_restart | |
37 | ||
38 | # Verify that the empty environment variable didn't affect the | |
39 | # index-cache directory setting, that we still see the initial value. | |
40 | # "HOME" is different, because if that one is unset, GDB isn't even | |
41 | # able to compute the default location. In that case, we expect it to | |
42 | # be empty. | |
43 | if { $env_var_name == "HOME" } { | |
44 | gdb_test "show index-cache directory" \ | |
45 | "The directory of the index cache is \"\"\\." | |
46 | } else { | |
47 | gdb_test "show index-cache directory" \ | |
48 | "The directory of the index cache is \"$index_cache_directory\"\\." | |
49 | } | |
50 | } | |
51 | } | |
52 | ||
53 | # Try the same, but with all the env vars set to an empty value at the same | |
54 | # time. | |
55 | with_test_prefix "all env vars" { | |
56 | set save_vars_arg {} | |
57 | foreach env_var_name $all_env_vars { | |
58 | lappend save_vars_arg env($env_var_name) | |
59 | } | |
60 | ||
61 | # Restore the original state of all the environment variables. | |
62 | save_vars $save_vars_arg { | |
63 | foreach env_var_name $all_env_vars { | |
64 | set env($env_var_name) {} | |
65 | } | |
66 | ||
67 | clean_restart | |
68 | ||
69 | gdb_test "show index-cache directory" \ | |
70 | "The directory of the index cache is \"\"\\." | |
71 | } | |
72 | } |