hush_test/hush-vars/param_expand_assign.tests

# first try some invalid patterns (do in subshell due to parsing error)
"$THIS_SH" -c 'echo ${=}'
"$THIS_SH" -c 'echo ${:=}'

# now some funky ones
"$THIS_SH" -c 'echo ${#=}'
"$THIS_SH" -c 'echo ${#:=}'

# should error out
"$THIS_SH" -c 'set --; echo _${1=}'
"$THIS_SH" -c 'set --; echo _${1:=}'
"$THIS_SH" -c 'set --; echo _${1=word}'
"$THIS_SH" -c 'set --; echo _${1:=word}'

# should not error
"$THIS_SH" -c 'set aa; echo _${1=}'
"$THIS_SH" -c 'set aa; echo _${1:=}'
"$THIS_SH" -c 'set aa; echo _${1=word}'
"$THIS_SH" -c 'set aa; echo _${1:=word}'

# should work fine
unset f; echo _$f
unset f; echo _${f=}
unset f; echo _${f:=}
unset f; echo _${f=word}
unset f; echo _${f:=word}

f=; echo _$f
f=; echo _${f=}
f=; echo _${f:=}
f=; echo _${f=word}
f=; echo _${f:=word}

f=fff; echo _$f
f=fff; echo _${f=}
f=fff; echo _${f:=}
f=fff; echo _${f=word}
f=fff; echo _${f:=word}
1	# first try some invalid patterns (do in subshell due to parsing error)
2	"$THIS_SH" -c 'echo ${=}'
3	"$THIS_SH" -c 'echo ${:=}'
4
5	# now some funky ones
6	"$THIS_SH" -c 'echo ${#=}'
7	"$THIS_SH" -c 'echo ${#:=}'
8
9	# should error out
10	"$THIS_SH" -c 'set --; echo _${1=}'
11	"$THIS_SH" -c 'set --; echo _${1:=}'
12	"$THIS_SH" -c 'set --; echo _${1=word}'
13	"$THIS_SH" -c 'set --; echo _${1:=word}'
14
15	# should not error
16	"$THIS_SH" -c 'set aa; echo _${1=}'
17	"$THIS_SH" -c 'set aa; echo _${1:=}'
18	"$THIS_SH" -c 'set aa; echo _${1=word}'
19	"$THIS_SH" -c 'set aa; echo _${1:=word}'
20
21	# should work fine
22	unset f; echo _$f
23	unset f; echo _${f=}
24	unset f; echo _${f:=}
25	unset f; echo _${f=word}
26	unset f; echo _${f:=word}
27
28	f=; echo _$f
29	f=; echo _${f=}
30	f=; echo _${f:=}
31	f=; echo _${f=word}
32	f=; echo _${f:=word}
33
34	f=fff; echo _$f
35	f=fff; echo _${f=}
36	f=fff; echo _${f:=}
37	f=fff; echo _${f=word}
38	f=fff; echo _${f:=word}