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param_expand_indicate_error.tests

param_expand_indicate_error.tests 2.2 KB
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  1. # do all of these in subshells since it's supposed to error out
    2. 

  2. # (set argv0 to "SHELL" to avoid "/path/to/shell: blah" in error messages)
    3. 

  3. 

  4. # first try some invalid patterns
    5. 

  5. #"$THIS_SH" -c 'echo ${?}' SHELL -- this is valid as it's the same as $?
    6. 

  6. "$THIS_SH" -c 'echo ${:?}' SHELL
    7. 

  7. 

  8. # then some funky ones
    9. 

  9. # note: bash prints 1 - treats it as "length of $#"
    10. 

  10. "$THIS_SH" -c 'echo ${#?}' SHELL
    11. 

  11. # bash prints 0
    12. 

  12. "$THIS_SH" -c 'echo ${#:?}' SHELL
    13. 

  13. 

  14. # now some valid ones
    15. 

  15. export msg_unset="unset!"
    16. 

  16. export msg_null_or_unset="null or unset!"
    17. 

  17. 

  18. echo ====
    19. 

  19. "$THIS_SH" -c 'set --; echo _$1' SHELL
    20. 

  20. "$THIS_SH" -c 'set --; echo _${1?}' SHELL
    21. 

  21. "$THIS_SH" -c 'set --; echo _${1:?}' SHELL
    22. 

  22. "$THIS_SH" -c 'set --; echo _${1?message1}' SHELL
    23. 

  23. "$THIS_SH" -c 'set --; echo _${1:?message1}' SHELL
    24. 

  24. "$THIS_SH" -c 'set --; echo _${1?$msg_unset}' SHELL
    25. 

  25. "$THIS_SH" -c 'set --; echo _${1:?$msg_null_or_unset}' SHELL
    26. 

  26. 

  27. echo ====
    28. 

  28. "$THIS_SH" -c 'set -- aaaa; echo _$1' SHELL
    29. 

  29. "$THIS_SH" -c 'set -- aaaa; echo _${1?}' SHELL
    30. 

  30. "$THIS_SH" -c 'set -- aaaa; echo _${1:?}' SHELL
    31. 

  31. "$THIS_SH" -c 'set -- aaaa; echo _${1?word}' SHELL
    32. 

  32. "$THIS_SH" -c 'set -- aaaa; echo _${1:?word}' SHELL
    33. 

  33. "$THIS_SH" -c 'set -- aaaa; echo _${1?$msg_unset}' SHELL
    34. 

  34. "$THIS_SH" -c 'set -- aaaa; echo _${1:?$msg_null_or_unset}' SHELL
    35. 

  35. 

  36. echo ====
    37. 

  37. "$THIS_SH" -c 'unset f; echo _$f' SHELL
    38. 

  38. "$THIS_SH" -c 'unset f; echo _${f?}' SHELL
    39. 

  39. "$THIS_SH" -c 'unset f; echo _${f:?}' SHELL
    40. 

  40. "$THIS_SH" -c 'unset f; echo _${f?message3}' SHELL
    41. 

  41. "$THIS_SH" -c 'unset f; echo _${f:?message3}' SHELL
    42. 

  42. "$THIS_SH" -c 'unset f; echo _${f?$msg_unset}' SHELL
    43. 

  43. "$THIS_SH" -c 'unset f; echo _${f:?$msg_null_or_unset}' SHELL
    44. 

  44. 

  45. echo ====
    46. 

  46. "$THIS_SH" -c 'f=; echo _$f' SHELL
    47. 

  47. "$THIS_SH" -c 'f=; echo _${f?}' SHELL
    48. 

  48. "$THIS_SH" -c 'f=; echo _${f:?}' SHELL
    49. 

  49. "$THIS_SH" -c 'f=; echo _${f?word}' SHELL
    50. 

  50. "$THIS_SH" -c 'f=; echo _${f:?message4}' SHELL
    51. 

  51. "$THIS_SH" -c 'f=; echo _${f?$msg_unset}' SHELL
    52. 

  52. "$THIS_SH" -c 'f=; echo _${f:?$msg_null_or_unset}' SHELL
    53. 

  53. 

  54. echo ====
    55. 

  55. "$THIS_SH" -c 'f=fff; echo _$f' SHELL
    56. 

  56. "$THIS_SH" -c 'f=fff; echo _${f?}' SHELL
    57. 

  57. "$THIS_SH" -c 'f=fff; echo _${f:?}' SHELL
    58. 

  58. "$THIS_SH" -c 'f=fff; echo _${f?word}' SHELL
    59. 

  59. "$THIS_SH" -c 'f=fff; echo _${f:?word}' SHELL
    60. 

  60. "$THIS_SH" -c 'f=fff; echo _${f?$msg_unset}' SHELL
    61. 

  61. "$THIS_SH" -c 'f=fff; echo _${f:?$msg_null_or_unset}' SHELL
    62.