From be669fa1fdff6f751c8cdd3fc18a9fa7a7f46cd3 Mon Sep 17 00:00:00 2001
From: Denys Vlasenko <vda.linux@googlemail.com>
Date: Tue, 25 Jul 2017 15:25:07 +0200
Subject: ash: import param_expand_default.tests from hush

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 shell/ash_test/ash-vars/param_expand_default.right |  7 +++++++
 shell/ash_test/ash-vars/param_expand_default.tests | 23 ++++++++++++++++++++++
 2 files changed, 30 insertions(+)
 create mode 100644 shell/ash_test/ash-vars/param_expand_default.right
 create mode 100755 shell/ash_test/ash-vars/param_expand_default.tests

(limited to 'shell/ash_test/ash-vars')

diff --git a/shell/ash_test/ash-vars/param_expand_default.right b/shell/ash_test/ash-vars/param_expand_default.right
new file mode 100644
index 000000000..3eecd1375
--- /dev/null
+++ b/shell/ash_test/ash-vars/param_expand_default.right
@@ -0,0 +1,7 @@
+SHELL: line 1: syntax error: bad substitution
+_0 _0
+_ _ _ _word _word
+_aaaa _aaaa _aaaa _aaaa _aaaa
+_ _ _ _word _word
+_ _ _ _ _word
+_fff _fff _fff _fff _fff
diff --git a/shell/ash_test/ash-vars/param_expand_default.tests b/shell/ash_test/ash-vars/param_expand_default.tests
new file mode 100755
index 000000000..5e42d30e3
--- /dev/null
+++ b/shell/ash_test/ash-vars/param_expand_default.tests
@@ -0,0 +1,23 @@
+# first try some invalid patterns (do in subshell due to parsing error)
+# (set argv0 to "SHELL" to avoid "/path/to/shell: blah" in error messages)
+# valid in bash and ash (same as $-): "$THIS_SH" -c 'echo ${-}' SHELL
+"$THIS_SH" -c 'echo ${:-}' SHELL
+
+# now some funky ones
+echo _${#-} _${#:-}
+
+# now some valid ones
+set --
+echo _$1 _${1-} _${1:-} _${1-word} _${1:-word}
+
+set -- aaaa
+echo _$1 _${1-} _${1:-} _${1-word} _${1:-word}
+
+unset f
+echo _$f _${f-} _${f:-} _${f-word} _${f:-word}
+
+f=
+echo _$f _${f-} _${f:-} _${f-word} _${f:-word}
+
+f=fff
+echo _$f _${f-} _${f:-} _${f-word} _${f:-word}
-- 
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