| 1 | # do all of these in subshells since it's supposed to error out
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| 2 |
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| 3 | # first try some invalid patterns
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| 4 | #"$THIS_SH" -c 'echo ${?}' -- this is valid as it's the same as $?
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| 5 | "$THIS_SH" -c 'echo ${:?}'
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| 6 |
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| 7 | # then some funky ones
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| 8 | # note: bash prints 1 - treats it as "length of $#"? We print 0
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| 9 | "$THIS_SH" -c 'echo ${#?}'
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| 10 | # bash prints 0
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| 11 | "$THIS_SH" -c 'echo ${#:?}'
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| 12 |
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| 13 | # now some valid ones
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| 14 | export msg_unset="unset!"
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| 15 | export msg_null_or_unset="null or unset!"
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| 16 |
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| 17 | echo ====
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| 18 | "$THIS_SH" -c 'set --; echo _$1'
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| 19 | "$THIS_SH" -c 'set --; echo _${1?}'
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| 20 | "$THIS_SH" -c 'set --; echo _${1:?}'
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| 21 | "$THIS_SH" -c 'set --; echo _${1?message1}'
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| 22 | "$THIS_SH" -c 'set --; echo _${1:?message1}'
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| 23 | "$THIS_SH" -c 'set --; echo _${1?$msg_unset}'
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| 24 | "$THIS_SH" -c 'set --; echo _${1:?$msg_null_or_unset}'
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| 25 |
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| 26 | echo ====
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| 27 | "$THIS_SH" -c 'set -- aaaa; echo _$1'
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| 28 | "$THIS_SH" -c 'set -- aaaa; echo _${1?}'
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| 29 | "$THIS_SH" -c 'set -- aaaa; echo _${1:?}'
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| 30 | "$THIS_SH" -c 'set -- aaaa; echo _${1?word}'
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| 31 | "$THIS_SH" -c 'set -- aaaa; echo _${1:?word}'
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| 32 | "$THIS_SH" -c 'set -- aaaa; echo _${1?$msg_unset}'
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| 33 | "$THIS_SH" -c 'set -- aaaa; echo _${1:?$msg_null_or_unset}'
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| 34 |
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| 35 | echo ====
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| 36 | "$THIS_SH" -c 'unset f; echo _$f'
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| 37 | "$THIS_SH" -c 'unset f; echo _${f?}'
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| 38 | "$THIS_SH" -c 'unset f; echo _${f:?}'
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| 39 | "$THIS_SH" -c 'unset f; echo _${f?message3}'
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| 40 | "$THIS_SH" -c 'unset f; echo _${f:?message3}'
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| 41 | "$THIS_SH" -c 'unset f; echo _${f?$msg_unset}'
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| 42 | "$THIS_SH" -c 'unset f; echo _${f:?$msg_null_or_unset}'
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| 43 |
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| 44 | echo ====
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| 45 | "$THIS_SH" -c 'f=; echo _$f'
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| 46 | "$THIS_SH" -c 'f=; echo _${f?}'
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| 47 | "$THIS_SH" -c 'f=; echo _${f:?}'
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| 48 | "$THIS_SH" -c 'f=; echo _${f?word}'
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| 49 | "$THIS_SH" -c 'f=; echo _${f:?message4}'
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| 50 | "$THIS_SH" -c 'f=; echo _${f?$msg_unset}'
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| 51 | "$THIS_SH" -c 'f=; echo _${f:?$msg_null_or_unset}'
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| 52 |
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| 53 | echo ====
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| 54 | "$THIS_SH" -c 'f=fff; echo _$f'
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| 55 | "$THIS_SH" -c 'f=fff; echo _${f?}'
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| 56 | "$THIS_SH" -c 'f=fff; echo _${f:?}'
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| 57 | "$THIS_SH" -c 'f=fff; echo _${f?word}'
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| 58 | "$THIS_SH" -c 'f=fff; echo _${f:?word}'
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| 59 | "$THIS_SH" -c 'f=fff; echo _${f?$msg_unset}'
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| 60 | "$THIS_SH" -c 'f=fff; echo _${f:?$msg_null_or_unset}'
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