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authorDenys Vlasenko <vda.linux@googlemail.com>2010-05-18 14:35:20 +0200
committerDenys Vlasenko <vda.linux@googlemail.com>2010-05-18 14:35:20 +0200
commit51b4a9e2f192c03039f339401026752f6340df25 (patch)
tree82eca7c223ca74293038c7b5d2a6843a12a81b60 /shell/ash_test
parent5e2d572381dd0c354a4463382fe1297c709a8464 (diff)
downloadbusybox-51b4a9e2f192c03039f339401026752f6340df25.tar.gz
ash: fix var_leak testcase
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'shell/ash_test')
-rw-r--r--shell/ash_test/ash-vars/var_leak.right3
-rwxr-xr-xshell/ash_test/ash-vars/var_leak.tests19
2 files changed, 16 insertions, 6 deletions
diff --git a/shell/ash_test/ash-vars/var_leak.right b/shell/ash_test/ash-vars/var_leak.right
index 45c5458dd..be78112c8 100644
--- a/shell/ash_test/ash-vars/var_leak.right
+++ b/shell/ash_test/ash-vars/var_leak.right
@@ -1,2 +1,3 @@
should be empty: ''
-should be empty: ''
+should be not empty: 'val2'
+should be not empty: 'val3'
diff --git a/shell/ash_test/ash-vars/var_leak.tests b/shell/ash_test/ash-vars/var_leak.tests
index 1b1123fb7..032059295 100755
--- a/shell/ash_test/ash-vars/var_leak.tests
+++ b/shell/ash_test/ash-vars/var_leak.tests
@@ -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'"