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-rw-r--r--shell/hush_test/hush-vars/param_expand_indicate_error.right15
-rwxr-xr-xshell/hush_test/hush-vars/param_expand_indicate_error.tests20
2 files changed, 35 insertions, 0 deletions
diff --git a/shell/hush_test/hush-vars/param_expand_indicate_error.right b/shell/hush_test/hush-vars/param_expand_indicate_error.right
index 590bb2001..06fcc5104 100644
--- a/shell/hush_test/hush-vars/param_expand_indicate_error.right
+++ b/shell/hush_test/hush-vars/param_expand_indicate_error.right
@@ -1,26 +1,41 @@
hush: syntax error: unterminated ${name}
0
0
+====
_
hush: 1: parameter null or not set
hush: 1: parameter null or not set
hush: 1: message1
hush: 1: message1
+hush: 1: unset!
+hush: 1: null or unset!
+====
_aaaa
_aaaa
_aaaa
_aaaa
_aaaa
+_aaaa
+_aaaa
+====
_
hush: f: parameter null or not set
hush: f: parameter null or not set
hush: f: message3
hush: f: message3
+hush: f: unset!
+hush: f: null or unset!
+====
_
_
hush: f: parameter null or not set
_
hush: f: message4
+_
+hush: f: null or unset!
+====
+_fff
+_fff
_fff
_fff
_fff
diff --git a/shell/hush_test/hush-vars/param_expand_indicate_error.tests b/shell/hush_test/hush-vars/param_expand_indicate_error.tests
index bccba3e1b..be14b1e37 100755
--- a/shell/hush_test/hush-vars/param_expand_indicate_error.tests
+++ b/shell/hush_test/hush-vars/param_expand_indicate_error.tests
@@ -5,36 +5,56 @@
"$THIS_SH" -c 'echo ${:?}'
# then some funky ones
+# note: bash prints 1 - treats it as "length of $#"? We print 0
"$THIS_SH" -c 'echo ${#?}'
+# bash prints 0
"$THIS_SH" -c 'echo ${#:?}'
# now some valid ones
+export msg_unset="unset!"
+export msg_null_or_unset="null or unset!"
+
+echo ====
"$THIS_SH" -c 'set --; echo _$1'
"$THIS_SH" -c 'set --; echo _${1?}'
"$THIS_SH" -c 'set --; echo _${1:?}'
"$THIS_SH" -c 'set --; echo _${1?message1}'
"$THIS_SH" -c 'set --; echo _${1:?message1}'
+"$THIS_SH" -c 'set --; echo _${1?$msg_unset}'
+"$THIS_SH" -c 'set --; echo _${1:?$msg_null_or_unset}'
+echo ====
"$THIS_SH" -c 'set -- aaaa; echo _$1'
"$THIS_SH" -c 'set -- aaaa; echo _${1?}'
"$THIS_SH" -c 'set -- aaaa; echo _${1:?}'
"$THIS_SH" -c 'set -- aaaa; echo _${1?word}'
"$THIS_SH" -c 'set -- aaaa; echo _${1:?word}'
+"$THIS_SH" -c 'set -- aaaa; echo _${1?$msg_unset}'
+"$THIS_SH" -c 'set -- aaaa; echo _${1:?$msg_null_or_unset}'
+echo ====
"$THIS_SH" -c 'unset f; echo _$f'
"$THIS_SH" -c 'unset f; echo _${f?}'
"$THIS_SH" -c 'unset f; echo _${f:?}'
"$THIS_SH" -c 'unset f; echo _${f?message3}'
"$THIS_SH" -c 'unset f; echo _${f:?message3}'
+"$THIS_SH" -c 'unset f; echo _${f?$msg_unset}'
+"$THIS_SH" -c 'unset f; echo _${f:?$msg_null_or_unset}'
+echo ====
"$THIS_SH" -c 'f=; echo _$f'
"$THIS_SH" -c 'f=; echo _${f?}'
"$THIS_SH" -c 'f=; echo _${f:?}'
"$THIS_SH" -c 'f=; echo _${f?word}'
"$THIS_SH" -c 'f=; echo _${f:?message4}'
+"$THIS_SH" -c 'f=; echo _${f?$msg_unset}'
+"$THIS_SH" -c 'f=; echo _${f:?$msg_null_or_unset}'
+echo ====
"$THIS_SH" -c 'f=fff; echo _$f'
"$THIS_SH" -c 'f=fff; echo _${f?}'
"$THIS_SH" -c 'f=fff; echo _${f:?}'
"$THIS_SH" -c 'f=fff; echo _${f?word}'
"$THIS_SH" -c 'f=fff; echo _${f:?word}'
+"$THIS_SH" -c 'f=fff; echo _${f?$msg_unset}'
+"$THIS_SH" -c 'f=fff; echo _${f:?$msg_null_or_unset}'