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-rw-r--r--shell/ash_test/ash-vars/param_expand_indicate_error.right43
-rwxr-xr-xshell/ash_test/ash-vars/param_expand_indicate_error.tests61
2 files changed, 104 insertions, 0 deletions
diff --git a/shell/ash_test/ash-vars/param_expand_indicate_error.right b/shell/ash_test/ash-vars/param_expand_indicate_error.right
new file mode 100644
index 0000000..33aface
--- /dev/null
+++ b/shell/ash_test/ash-vars/param_expand_indicate_error.right
@@ -0,0 +1,43 @@
+SHELL: line 1: syntax error: bad substitution
+1
+0
+====
+_
+SHELL: line 1: 1: parameter not set
+SHELL: line 1: 1: parameter not set or null
+SHELL: line 1: 1: message1
+SHELL: line 1: 1: message1
+SHELL: line 1: 1: unset!
+SHELL: line 1: 1: null or unset!
+====
+_aaaa
+_aaaa
+_aaaa
+_aaaa
+_aaaa
+_aaaa
+_aaaa
+====
+_
+SHELL: line 1: f: parameter not set
+SHELL: line 1: f: parameter not set or null
+SHELL: line 1: f: message3
+SHELL: line 1: f: message3
+SHELL: line 1: f: unset!
+SHELL: line 1: f: null or unset!
+====
+_
+_
+SHELL: line 1: f: parameter not set or null
+_
+SHELL: line 1: f: message4
+_
+SHELL: line 1: f: null or unset!
+====
+_fff
+_fff
+_fff
+_fff
+_fff
+_fff
+_fff
diff --git a/shell/ash_test/ash-vars/param_expand_indicate_error.tests b/shell/ash_test/ash-vars/param_expand_indicate_error.tests
new file mode 100755
index 0000000..0f30619
--- /dev/null
+++ b/shell/ash_test/ash-vars/param_expand_indicate_error.tests
@@ -0,0 +1,61 @@
+# do all of these in subshells since it's supposed to error out
+# (set argv0 to "SHELL" to avoid "/path/to/shell: blah" in error messages)
+
+# first try some invalid patterns
+#"$THIS_SH" -c 'echo ${?}' SHELL -- this is valid as it's the same as $?
+"$THIS_SH" -c 'echo ${:?}' SHELL
+
+# then some funky ones
+# note: bash prints 1 - treats it as "length of $#"
+"$THIS_SH" -c 'echo ${#?}' SHELL
+# bash prints 0
+"$THIS_SH" -c 'echo ${#:?}' SHELL
+
+# now some valid ones
+export msg_unset="unset!"
+export msg_null_or_unset="null or unset!"
+
+echo ====
+"$THIS_SH" -c 'set --; echo _$1' SHELL
+"$THIS_SH" -c 'set --; echo _${1?}' SHELL
+"$THIS_SH" -c 'set --; echo _${1:?}' SHELL
+"$THIS_SH" -c 'set --; echo _${1?message1}' SHELL
+"$THIS_SH" -c 'set --; echo _${1:?message1}' SHELL
+"$THIS_SH" -c 'set --; echo _${1?$msg_unset}' SHELL
+"$THIS_SH" -c 'set --; echo _${1:?$msg_null_or_unset}' SHELL
+
+echo ====
+"$THIS_SH" -c 'set -- aaaa; echo _$1' SHELL
+"$THIS_SH" -c 'set -- aaaa; echo _${1?}' SHELL
+"$THIS_SH" -c 'set -- aaaa; echo _${1:?}' SHELL
+"$THIS_SH" -c 'set -- aaaa; echo _${1?word}' SHELL
+"$THIS_SH" -c 'set -- aaaa; echo _${1:?word}' SHELL
+"$THIS_SH" -c 'set -- aaaa; echo _${1?$msg_unset}' SHELL
+"$THIS_SH" -c 'set -- aaaa; echo _${1:?$msg_null_or_unset}' SHELL
+
+echo ====
+"$THIS_SH" -c 'unset f; echo _$f' SHELL
+"$THIS_SH" -c 'unset f; echo _${f?}' SHELL
+"$THIS_SH" -c 'unset f; echo _${f:?}' SHELL
+"$THIS_SH" -c 'unset f; echo _${f?message3}' SHELL
+"$THIS_SH" -c 'unset f; echo _${f:?message3}' SHELL
+"$THIS_SH" -c 'unset f; echo _${f?$msg_unset}' SHELL
+"$THIS_SH" -c 'unset f; echo _${f:?$msg_null_or_unset}' SHELL
+
+echo ====
+"$THIS_SH" -c 'f=; echo _$f' SHELL
+"$THIS_SH" -c 'f=; echo _${f?}' SHELL
+"$THIS_SH" -c 'f=; echo _${f:?}' SHELL
+"$THIS_SH" -c 'f=; echo _${f?word}' SHELL
+"$THIS_SH" -c 'f=; echo _${f:?message4}' SHELL
+"$THIS_SH" -c 'f=; echo _${f?$msg_unset}' SHELL
+"$THIS_SH" -c 'f=; echo _${f:?$msg_null_or_unset}' SHELL
+
+echo ====
+"$THIS_SH" -c 'f=fff; echo _$f' SHELL
+"$THIS_SH" -c 'f=fff; echo _${f?}' SHELL
+"$THIS_SH" -c 'f=fff; echo _${f:?}' SHELL
+"$THIS_SH" -c 'f=fff; echo _${f?word}' SHELL
+"$THIS_SH" -c 'f=fff; echo _${f:?word}' SHELL
+"$THIS_SH" -c 'f=fff; echo _${f?$msg_unset}' SHELL
+"$THIS_SH" -c 'f=fff; echo _${f:?$msg_null_or_unset}' SHELL