[gdb/testsuite] Fix gdb.python/py-startup-opt.exp with empty PYTHONDONTWRITEBYTECODE
When running test-case gdb.python/py-startup-opt.exp with empty
PYTHONDONTWRITEBYTECODE:
...
$ cd build/gdb/testsuite
$ PYTHONDONTWRITEBYTECODE= make check \
RUNTESTFLAGS=gdb.python/py-startup-opt.exp
...
I get:
...
end^M
dont_write_bytecode is off^M
(gdb) FAIL: $exp: attr=dont_write_bytecode: testname: input 6: end
...
The problem is that the test-case expects dont_write_bytecode to be
on, which is incorrect because PYTHONDONTWRITEBYTECODE only has effect if set
to a non-empty string [1].
Fix this by correctly setting expectations in the test-case.
Tested on x86_64-linux, with:
- PYTHONDONTWRITEBYTECODE=
- PYTHONDONTWRITEBYTECODE=1
- unset PYTHONDONTWRITEBYTECODE
Approved-By: Tom Tromey <tom@tromey.com>
[1] https://docs.python.org/3/using/cmdline.html#envvar-PYTHONDONTWRITEBYTECODE
diff --git a/gdb/testsuite/gdb.python/py-startup-opt.exp b/gdb/testsuite/gdb.python/py-startup-opt.exp
index cf2a2cf..014aff5 100644
--- a/gdb/testsuite/gdb.python/py-startup-opt.exp
+++ b/gdb/testsuite/gdb.python/py-startup-opt.exp
@@ -78,8 +78,9 @@
# all GDB developers some will test GDB with this environment
# variable unset.
if { $attr == "dont_write_bytecode" \
- && $exp_state == "off"
- && [info exists ::env(PYTHONDONTWRITEBYTECODE)] } {
+ && $exp_state == "off" \
+ && [info exists ::env(PYTHONDONTWRITEBYTECODE)] \
+ && $::env(PYTHONDONTWRITEBYTECODE) != "" } {
set answer "on"
} else {
set answer $exp_state
