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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