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ash: fix var_leak testcase

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2010-05-18 14:35:20 +02:00
parent 5e2d572381
commit 51b4a9e2f1
2 changed files with 16 additions and 6 deletions
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3
shell/ash_test/ash-vars/var_leak.right
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@ -1,2 +1,3 @@
should be empty: ''
should be empty: ''
should be not empty: 'val2'
should be not empty: 'val3'

19
shell/ash_test/ash-vars/var_leak.tests
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@ -1,9 +1,18 @@
# This currently fails with CONFIG_FEATURE_SH_NOFORK=y
# true is a regular builtin, varibale should not leak out of it
# this currently fails with CONFIG_FEATURE_SH_NOFORK=y
VAR=''
VAR=qwe true
VAR=val1 true
echo "should be empty: '$VAR'"
# This fails (always)
# ash follows the "special builtin leaks variables" rule here:
# exec is a special builtin. (bash does not do it)
VAR=''
VAR=qwe exec 2>&1
echo "should be empty: '$VAR'"
VAR=val2 exec 2>&1
echo "should be not empty: '$VAR'"
# ash follows the "function call is a special builtin" rule here
# (bash does not do it)
f() { true; }
VAR=''
VAR=val3 f
echo "should be not empty: '$VAR'"