Results for array.test.sh

casebashmkshoshosh_ALTosh-byterundescription
0pass pass pass pass pass SETUP
1pass pass pass pass pass "${a[@]}" and "${a[*]}"
2pass pass pass pass pass ${a[@]} and ${a[*]}
3pass pass pass pass pass 4 ways to interpolate empty array
4pass pass pass pass pass empty array
5pass pass pass pass pass Empty array with :-
6BUG BUG pass pass pass nounset with empty array (design bug, makes it hard to use arrays)
detailsdetails
7pass BUG pass pass pass local array
details
8pass pass pass pass pass Command with with word splitting in array
9pass ok pass pass pass space before ( in array initialization
details
10pass pass pass pass pass array over multiple lines
11pass ok pass pass pass array with invalid token
details
12pass pass pass pass pass array with empty string
13pass pass pass pass pass Retrieve index
14pass pass pass pass pass Retrieve out of bounds index
15pass N-I pass pass pass Negative index
details
16pass pass pass pass pass Retrieve index that is a variable
17pass pass pass pass pass Retrieve index that is a variable without $
18pass pass pass pass pass Retrieve index that is a command sub
19pass pass FAIL FAIL FAIL Retrieve all indices with !
detailsdetailsdetails
20pass N-I pass pass pass ${!a[1]} is named ref in bash
details
21pass ok FAIL FAIL FAIL Retrieve indices without []
detailsdetailsdetailsdetails
22pass pass pass pass pass All elements unquoted
23pass pass pass pass pass All elements quoted
24pass pass pass pass pass $*
25pass pass pass pass pass "$*"
26pass pass pass pass pass Interpolate array into array
27pass ok ok ok ok Exporting array doesn't do anything, not even first element
detailsdetailsdetailsdetails
28pass BUG FAIL FAIL FAIL Env with array
detailsdetailsdetailsdetails
29pass pass FAIL FAIL FAIL Set element
detailsdetailsdetails
30pass pass FAIL FAIL FAIL Set element with var ref
detailsdetailsdetails
31pass pass FAIL FAIL FAIL Set element with array ref
detailsdetailsdetails
32pass N-I FAIL FAIL FAIL Set array item to array
detailsdetailsdetailsdetails
33pass N-I pass pass pass Slice of array with [@]
details
34pass N-I pass pass pass Negative slice
details
35pass N-I pass pass pass Slice with arithmetic
details
36pass pass pass pass pass Number of elements
37pass pass pass pass pass Length of an element
38pass pass pass pass pass Iteration
39pass pass pass pass pass glob within array yields separate elements
40pass pass pass pass pass declare array and then append
41pass ok pass pass pass Array syntax in wrong place
details
42ok ok ok ok ok Single array with :-
detailsdetailsdetailsdetailsdetails
43pass N-I pass pass pass Stripping a whole array unquoted
details
44pass N-I pass pass pass Stripping a whole array quoted
details
45BUG ok pass pass pass Multiple subscripts not allowed
detailsdetails
46BUG ok pass pass pass Length op, index op, then transform op is not allowed
detailsdetails
47BUG BUG pass pass pass Array subscript not allowed on string
detailsdetails
48pass pass pass pass pass Create a "user" array out of the argv array
49pass pass pass pass pass Tilde expansion within array
50pass pass pass pass pass Brace Expansion within Array
51pass pass pass pass pass array default
52pass pass FAIL FAIL FAIL Singleton Array Copy and Assign
detailsdetailsdetails
53pass pass pass pass pass declare -a / local -a is empty array
54pass pass pass pass pass Create sparse array
55pass pass pass pass pass Create sparse array implicitly
56pass pass pass pass pass Append sparse arrays
57pass N-I pass pass pass Slice of sparse array with [@]
details

234 passed, 15 ok, 9 known unimplemented, 8 known bugs, 8 failed, 0 skipped

Details on runs that didn't PASS

bash6 nounset with empty array (design bug, makes it hard to use arrays)

stdout:
stderr: 
_tmp/spec-bin/bash: line 3: empty[@]: unbound variable
mksh6 nounset with empty array (design bug, makes it hard to use arrays)

stdout:
stderr: 
_tmp/spec-bin/mksh: <stdin>[3]: empty[@]: parameter not set
mksh7 local array

stdout:
stderr: 
_tmp/spec-bin/mksh: <stdin>[2]: syntax error: '(' unexpected
mksh9 space before ( in array initialization

stdout:
1
stderr:
mksh11 array with invalid token

stdout:
stderr: 
_tmp/spec-bin/mksh: <stdin>[3]: syntax error: '&' unexpected
mksh15 Negative index

stdout:
['', '', '']
stderr:
osh19 Retrieve all indices with !

[osh stdout] Expected "['0', '1']\n", got ''
[osh status] Expected 0, got 1

stdout:
stderr: 
Traceback (most recent call last):
  File "bin/osh", line 498, in <module>
    main(sys.argv)
  File "bin/osh", line 476, in main
    sys.exit(AppBundleMain(argv))
  File "bin/osh", line 450, in AppBundleMain
    status = OshMain(argv0, main_argv, login_shell)
  File "bin/osh", line 255, in OshMain
    status = main_loop.Batch(ex, c_parser, arena, nodes_out=nodes_out)
  File "/home/andy/git/oilshell/oil/bin/../core/main_loop.py", line 106, in Batch
    is_control_flow, is_fatal = ex.ExecuteAndCatch(node)
  File "/home/andy/git/oilshell/oil/bin/../core/cmd_exec.py", line 1209, in ExecuteAndCatch
    status = self._Execute(node, fork_external=fork_external)
  File "/home/andy/git/oilshell/oil/bin/../core/cmd_exec.py", line 1157, in _Execute
    status, check_errexit = self._Dispatch(node, fork_external)
  File "/home/andy/git/oilshell/oil/bin/../core/cmd_exec.py", line 673, in _Dispatch
    argv = self.word_ev.EvalWordSequence(words)
  File "/home/andy/git/oilshell/oil/bin/../core/word_eval.py", line 991, in EvalWordSequence
    return self._EvalWordSequence(words)
  File "/home/andy/git/oilshell/oil/bin/../core/word_eval.py", line 964, in _EvalWordSequence
    self._EvalWordToParts(w, False, part_vals)  # not double quoted
  File "/home/andy/git/oilshell/oil/bin/../core/word_eval.py", line 785, in _EvalWordToParts
    self._EvalWordPart(p, part_vals, quoted=quoted)
  File "/home/andy/git/oilshell/oil/bin/../core/word_eval.py", line 722, in _EvalWordPart
    self._EvalDoubleQuotedPart(part, part_vals)
  File "/home/andy/git/oilshell/oil/bin/../core/word_eval.py", line 395, in _EvalDoubleQuotedPart
    self._EvalWordPart(p, part_vals, quoted=True)
  File "/home/andy/git/oilshell/oil/bin/../core/word_eval.py", line 757, in _EvalWordPart
    self._EvalBracedVarSub(part, part_vals, quoted)
  File "/home/andy/git/oilshell/oil/bin/../core/word_eval.py", line 520, in _EvalBracedVarSub
    val = self._ApplyPrefixOp(val, part.prefix_op)
  File "/home/andy/git/oilshell/oil/bin/../core/word_eval.py", line 339, in _ApplyPrefixOp
    return self.mem.GetVar(val.s)
AttributeError: 'StrArray' object has no attribute 's'
osh_ALT19 Retrieve all indices with !

[osh_ALT stdout] Expected "['0', '1']\n", got ''
[osh_ALT status] Expected 0, got 1

stdout:
stderr: 
Traceback (most recent call last):
  File "/home/andy/git/oilshell/oil/Python-2.7.13/Lib/runpy.py", line 174, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/home/andy/git/oilshell/oil/Python-2.7.13/Lib/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/home/andy/git/oilshell/oil/bin/oil.py", line 498, in <module>
    main(sys.argv)
  File "/home/andy/git/oilshell/oil/bin/oil.py", line 476, in main
    sys.exit(AppBundleMain(argv))
  File "/home/andy/git/oilshell/oil/bin/oil.py", line 450, in AppBundleMain
    status = OshMain(argv0, main_argv, login_shell)
  File "/home/andy/git/oilshell/oil/bin/oil.py", line 255, in OshMain
    status = main_loop.Batch(ex, c_parser, arena, nodes_out=nodes_out)
  File "/home/andy/git/oilshell/oil/core/main_loop.py", line 113, in Batch
    return ex.LastStatus()
  File "/home/andy/git/oilshell/oil/core/cmd_exec.py", line 1209, in ExecuteAndCatch
    status = self._Execute(node, fork_external=fork_external)
  File "/home/andy/git/oilshell/oil/core/cmd_exec.py", line 1157, in _Execute
    status, check_errexit = self._Dispatch(node, fork_external)
  File "/home/andy/git/oilshell/oil/core/cmd_exec.py", line 673, in _Dispatch
    argv = self.word_ev.EvalWordSequence(words)
  File "/home/andy/git/oilshell/oil/core/word_eval.py", line 991, in EvalWordSequence
    return self._EvalWordSequence(words)
  File "/home/andy/git/oilshell/oil/core/word_eval.py", line 964, in _EvalWordSequence
    self._EvalWordToParts(w, False, part_vals)  # not double quoted
  File "/home/andy/git/oilshell/oil/core/word_eval.py", line 785, in _EvalWordToParts
    self._EvalWordPart(p, part_vals, quoted=quoted)
  File "/home/andy/git/oilshell/oil/core/word_eval.py", line 769, in _EvalWordPart
    part_vals.append(v)
  File "/home/andy/git/oilshell/oil/core/word_eval.py", line 395, in _EvalDoubleQuotedPart
    self._EvalWordPart(p, part_vals, quoted=True)
  File "/home/andy/git/oilshell/oil/core/word_eval.py", line 769, in _EvalWordPart
    part_vals.append(v)
  File "/home/andy/git/oilshell/oil/core/word_eval.py", line 520, in _EvalBracedVarSub
    val = self._ApplyPrefixOp(val, part.prefix_op)
  File "/home/andy/git/oilshell/oil/core/word_eval.py", line 339, in _ApplyPrefixOp
    return self.mem.GetVar(val.s)
AttributeError: 'StrArray' object has no attribute 's'
FATAL: couldn't import from app bundle '_tmp/oil-tar-test/oil-0.6.pre4/_bin/osh' (1)
Stripping the oil.ovm binary may cause this error.
See https://github.com/oilshell/oil/issues/47
osh-byterun19 Retrieve all indices with !

[osh-byterun stdout] Expected "['0', '1']\n", got ''
[osh-byterun status] Expected 0, got 1

stdout:
stderr: 
Traceback (most recent call last):
  File "/home/andy/git/oilshell/oil/bin/opy_.py", line 88, in <module>
    main(sys.argv)
  File "/home/andy/git/oilshell/oil/bin/opy_.py", line 72, in main
    sys.exit(AppBundleMain(argv))
  File "/home/andy/git/oilshell/oil/bin/opy_.py", line 64, in AppBundleMain
    return opy_main.OpyCommandMain(main_argv)
  File "/home/andy/git/oilshell/oil/opy/opy_main.py", line 357, in OpyCommandMain
    num_ticks = ovm.run_code_object(co, opy_argv)
  File "/home/andy/git/oilshell/oil/opy/byterun/execfile.py", line 36, in run_code_object
    pyvm2.run_code(vm, code, f_globals=main_mod.__dict__)
  File "/home/andy/git/oilshell/oil/opy/byterun/pyvm2.py", line 88, in run_code
    val = vm.run_frame(frame)
  File "/home/andy/git/oilshell/oil/opy/byterun/pyvm2.py", line 327, in run_frame
    raise exctype, value, tb
AttributeError: 'StrArray' object has no attribute 's'
mksh20 ${!a[1]} is named ref in bash

stdout:
['a[1]']
stderr:
mksh21 Retrieve indices without []

stdout:
['a']
stderr:
osh21 Retrieve indices without []

[osh stdout] Expected "['']\n", got ''
[osh status] Expected 0, got 1

stdout:
stderr: 
Traceback (most recent call last):
  File "bin/osh", line 498, in <module>
    main(sys.argv)
  File "bin/osh", line 476, in main
    sys.exit(AppBundleMain(argv))
  File "bin/osh", line 450, in AppBundleMain
    status = OshMain(argv0, main_argv, login_shell)
  File "bin/osh", line 255, in OshMain
    status = main_loop.Batch(ex, c_parser, arena, nodes_out=nodes_out)
  File "/home/andy/git/oilshell/oil/bin/../core/main_loop.py", line 106, in Batch
    is_control_flow, is_fatal = ex.ExecuteAndCatch(node)
  File "/home/andy/git/oilshell/oil/bin/../core/cmd_exec.py", line 1209, in ExecuteAndCatch
    status = self._Execute(node, fork_external=fork_external)
  File "/home/andy/git/oilshell/oil/bin/../core/cmd_exec.py", line 1157, in _Execute
    status, check_errexit = self._Dispatch(node, fork_external)
  File "/home/andy/git/oilshell/oil/bin/../core/cmd_exec.py", line 673, in _Dispatch
    argv = self.word_ev.EvalWordSequence(words)
  File "/home/andy/git/oilshell/oil/bin/../core/word_eval.py", line 991, in EvalWordSequence
    return self._EvalWordSequence(words)
  File "/home/andy/git/oilshell/oil/bin/../core/word_eval.py", line 964, in _EvalWordSequence
    self._EvalWordToParts(w, False, part_vals)  # not double quoted
  File "/home/andy/git/oilshell/oil/bin/../core/word_eval.py", line 785, in _EvalWordToParts
    self._EvalWordPart(p, part_vals, quoted=quoted)
  File "/home/andy/git/oilshell/oil/bin/../core/word_eval.py", line 722, in _EvalWordPart
    self._EvalDoubleQuotedPart(part, part_vals)
  File "/home/andy/git/oilshell/oil/bin/../core/word_eval.py", line 395, in _EvalDoubleQuotedPart
    self._EvalWordPart(p, part_vals, quoted=True)
  File "/home/andy/git/oilshell/oil/bin/../core/word_eval.py", line 757, in _EvalWordPart
    self._EvalBracedVarSub(part, part_vals, quoted)
  File "/home/andy/git/oilshell/oil/bin/../core/word_eval.py", line 520, in _EvalBracedVarSub
    val = self._ApplyPrefixOp(val, part.prefix_op)
  File "/home/andy/git/oilshell/oil/bin/../core/word_eval.py", line 339, in _ApplyPrefixOp
    return self.mem.GetVar(val.s)
AttributeError: 'StrArray' object has no attribute 's'
osh_ALT21 Retrieve indices without []

[osh_ALT stdout] Expected "['']\n", got ''
[osh_ALT status] Expected 0, got 1

stdout:
stderr: 
Traceback (most recent call last):
  File "/home/andy/git/oilshell/oil/Python-2.7.13/Lib/runpy.py", line 174, in _run_module_as_main
    "__main__", fname, loader, pkg_name)
  File "/home/andy/git/oilshell/oil/Python-2.7.13/Lib/runpy.py", line 72, in _run_code
    exec code in run_globals
  File "/home/andy/git/oilshell/oil/bin/oil.py", line 498, in <module>
    main(sys.argv)
  File "/home/andy/git/oilshell/oil/bin/oil.py", line 476, in main
    sys.exit(AppBundleMain(argv))
  File "/home/andy/git/oilshell/oil/bin/oil.py", line 450, in AppBundleMain
    status = OshMain(argv0, main_argv, login_shell)
  File "/home/andy/git/oilshell/oil/bin/oil.py", line 255, in OshMain
    status = main_loop.Batch(ex, c_parser, arena, nodes_out=nodes_out)
  File "/home/andy/git/oilshell/oil/core/main_loop.py", line 113, in Batch
    return ex.LastStatus()
  File "/home/andy/git/oilshell/oil/core/cmd_exec.py", line 1209, in ExecuteAndCatch
    status = self._Execute(node, fork_external=fork_external)
  File "/home/andy/git/oilshell/oil/core/cmd_exec.py", line 1157, in _Execute
    status, check_errexit = self._Dispatch(node, fork_external)
  File "/home/andy/git/oilshell/oil/core/cmd_exec.py", line 673, in _Dispatch
    argv = self.word_ev.EvalWordSequence(words)
  File "/home/andy/git/oilshell/oil/core/word_eval.py", line 991, in EvalWordSequence
    return self._EvalWordSequence(words)
  File "/home/andy/git/oilshell/oil/core/word_eval.py", line 964, in _EvalWordSequence
    self._EvalWordToParts(w, False, part_vals)  # not double quoted
  File "/home/andy/git/oilshell/oil/core/word_eval.py", line 785, in _EvalWordToParts
    self._EvalWordPart(p, part_vals, quoted=quoted)
  File "/home/andy/git/oilshell/oil/core/word_eval.py", line 769, in _EvalWordPart
    part_vals.append(v)
  File "/home/andy/git/oilshell/oil/core/word_eval.py", line 395, in _EvalDoubleQuotedPart
    self._EvalWordPart(p, part_vals, quoted=True)
  File "/home/andy/git/oilshell/oil/core/word_eval.py", line 769, in _EvalWordPart
    part_vals.append(v)
  File "/home/andy/git/oilshell/oil/core/word_eval.py", line 520, in _EvalBracedVarSub
    val = self._ApplyPrefixOp(val, part.prefix_op)
  File "/home/andy/git/oilshell/oil/core/word_eval.py", line 339, in _ApplyPrefixOp
    return self.mem.GetVar(val.s)
AttributeError: 'StrArray' object has no attribute 's'
FATAL: couldn't import from app bundle '_tmp/oil-tar-test/oil-0.6.pre4/_bin/osh' (1)
Stripping the oil.ovm binary may cause this error.
See https://github.com/oilshell/oil/issues/47
osh-byterun21 Retrieve indices without []

[osh-byterun stdout] Expected "['']\n", got ''
[osh-byterun status] Expected 0, got 1

stdout:
stderr: 
Traceback (most recent call last):
  File "/home/andy/git/oilshell/oil/bin/opy_.py", line 88, in <module>
    main(sys.argv)
  File "/home/andy/git/oilshell/oil/bin/opy_.py", line 72, in main
    sys.exit(AppBundleMain(argv))
  File "/home/andy/git/oilshell/oil/bin/opy_.py", line 64, in AppBundleMain
    return opy_main.OpyCommandMain(main_argv)
  File "/home/andy/git/oilshell/oil/opy/opy_main.py", line 357, in OpyCommandMain
    num_ticks = ovm.run_code_object(co, opy_argv)
  File "/home/andy/git/oilshell/oil/opy/byterun/execfile.py", line 36, in run_code_object
    pyvm2.run_code(vm, code, f_globals=main_mod.__dict__)
  File "/home/andy/git/oilshell/oil/opy/byterun/pyvm2.py", line 88, in run_code
    val = vm.run_frame(frame)
  File "/home/andy/git/oilshell/oil/opy/byterun/pyvm2.py", line 327, in run_frame
    raise exctype, value, tb
AttributeError: 'StrArray' object has no attribute 's'
mksh27 Exporting array doesn't do anything, not even first element

stdout:
stderr: 
_tmp/spec-bin/mksh: <stdin>[1]: syntax error: '(' unexpected
osh27 Exporting array doesn't do anything, not even first element

stdout:
stderr: 
Line 2 of '<stdin>'
  export PYTHONPATH=(a b c)
         ^~~~~~~~~~~
Commands can't contain array literals
osh_ALT27 Exporting array doesn't do anything, not even first element

stdout:
stderr: 
Line 2 of '<stdin>'
  export PYTHONPATH=(a b c)
         ^~~~~~~~~~~
Commands can't contain array literals
osh-byterun27 Exporting array doesn't do anything, not even first element

stdout:
stderr: 
Line 2 of '<stdin>'
  export PYTHONPATH=(a b c)
         ^~~~~~~~~~~
Commands can't contain array literals
mksh28 Env with array

stdout:
stderr: 
_tmp/spec-bin/mksh: <stdin>[1]: syntax error: '(' unexpected
osh28 Env with array

[osh stdout] Expected u'a\n(b b)\n', got ''
[osh status] Expected 0, got 2

stdout:
stderr: 
Line 2 of '<stdin>'
  A=a B=(b b) printenv.py A B
         ^
Environment bindings can't contain array literals
osh_ALT28 Env with array

[osh_ALT stdout] Expected u'a\n(b b)\n', got ''
[osh_ALT status] Expected 0, got 2

stdout:
stderr: 
Line 2 of '<stdin>'
  A=a B=(b b) printenv.py A B
         ^
Environment bindings can't contain array literals
osh-byterun28 Env with array

[osh-byterun stdout] Expected u'a\n(b b)\n', got ''
[osh-byterun status] Expected 0, got 2

stdout:
stderr: 
Line 2 of '<stdin>'
  A=a B=(b b) printenv.py A B
         ^
Environment bindings can't contain array literals
osh29 Set element

[osh stdout] Expected "['9', '2 3']\n", got "['1', '2 3']\n"

stdout:
['1', '2 3']
stderr:
osh error: 'a[0]=9': No such file or directory
osh_ALT29 Set element

[osh_ALT stdout] Expected "['9', '2 3']\n", got "['1', '2 3']\n"

stdout:
['1', '2 3']
stderr:
osh error: 'a[0]=9': No such file or directory
osh-byterun29 Set element

[osh-byterun stdout] Expected "['9', '2 3']\n", got "['1', '2 3']\n"

stdout:
['1', '2 3']
stderr:
osh error: 'a[0]=9': No such file or directory
osh30 Set element with var ref

[osh stdout] Expected "['9', '2 3']\n", got "['1', '2 3']\n"

stdout:
['1', '2 3']
stderr:
osh error: 'a[0]=9': No such file or directory
osh_ALT30 Set element with var ref

[osh_ALT stdout] Expected "['9', '2 3']\n", got "['1', '2 3']\n"

stdout:
['1', '2 3']
stderr:
osh error: 'a[0]=9': No such file or directory
osh-byterun30 Set element with var ref

[osh-byterun stdout] Expected "['9', '2 3']\n", got "['1', '2 3']\n"

stdout:
['1', '2 3']
stderr:
osh error: 'a[0]=9': No such file or directory
osh31 Set element with array ref

[osh stdout] Expected "['1', '9']\n", got "['1', '2 3']\n"

stdout:
['1', '2 3']
stderr:
osh error: 'a[1]=9': No such file or directory
osh_ALT31 Set element with array ref

[osh_ALT stdout] Expected "['1', '9']\n", got "['1', '2 3']\n"

stdout:
['1', '2 3']
stderr:
osh error: 'a[1]=9': No such file or directory
osh-byterun31 Set element with array ref

[osh-byterun stdout] Expected "['1', '9']\n", got "['1', '2 3']\n"

stdout:
['1', '2 3']
stderr:
osh error: 'a[1]=9': No such file or directory
mksh32 Set array item to array

stdout:
stderr: 
_tmp/spec-bin/mksh: <stdin>[2]: set: a[0]: is not an identifier
osh32 Set array item to array

[osh stdout] Expected 'status=1\n', got ''
[osh status] Expected 0, got 2

stdout:
stderr: 
Line 3 of '<stdin>'
  a[0]=(3 4)
        ^
Expected word type Right_FuncDef, got Word_Compound
osh_ALT32 Set array item to array

[osh_ALT stdout] Expected 'status=1\n', got ''
[osh_ALT status] Expected 0, got 2

stdout:
stderr: 
Line 3 of '<stdin>'
  a[0]=(3 4)
        ^
Expected word type Right_FuncDef, got Word_Compound
osh-byterun32 Set array item to array

[osh-byterun stdout] Expected 'status=1\n', got ''
[osh-byterun status] Expected 0, got 2

stdout:
stderr: 
Line 3 of '<stdin>'
  a[0]=(3 4)
        ^
Expected word type Right_FuncDef, got Word_Compound
mksh33 Slice of array with [@]

stdout:
stderr: 
_tmp/spec-bin/mksh: <stdin>[2]: ${a[@]: 1:2}: bad substitution
mksh34 Negative slice

stdout:
stderr: 
_tmp/spec-bin/mksh: <stdin>[2]: ${a[@]: (-2):1}: bad substitution
mksh35 Slice with arithmetic

stdout:
stderr: 
_tmp/spec-bin/mksh: <stdin>[3]: ${a[@]:i-4:2}: bad substitution
mksh41 Array syntax in wrong place

stdout:
stderr: 
_tmp/spec-bin/mksh: <stdin>[1]: syntax error: '(' unexpected
bash42 Single array with :-

stdout:
['none', 'x', '']
stderr:
mksh42 Single array with :-

stdout:
['none', 'x', 'none']
stderr:
osh42 Single array with :-

stdout:
['x', '']
stderr:
osh_ALT42 Single array with :-

stdout:
['x', '']
stderr:
osh-byterun42 Single array with :-

stdout:
['x', '']
stderr:
mksh43 Stripping a whole array unquoted

stdout:
stderr: 
_tmp/spec-bin/mksh: <stdin>[2]: ${files[@]%.c}: bad substitution
mksh44 Stripping a whole array quoted

stdout:
stderr: 
_tmp/spec-bin/mksh: <stdin>[2]: ${files[@]%.c}: bad substitution
bash45 Multiple subscripts not allowed

stdout:
['123', '123']
stderr:
mksh45 Multiple subscripts not allowed

stdout:
stderr: 
_tmp/spec-bin/mksh: <stdin>[2]: ${a[0][0]}: bad substitution
bash46 Length op, index op, then transform op is not allowed

stdout:
3 3
stderr:
mksh46 Length op, index op, then transform op is not allowed

stdout:
stderr: 
_tmp/spec-bin/mksh: <stdin>[2]: ${#a[0]/1/xxx}: bad substitution
bash47 Array subscript not allowed on string

stdout:
abc
stderr:
mksh47 Array subscript not allowed on string

stdout:
abc
stderr:
osh52 Singleton Array Copy and Assign

[osh stdout] Expected '4 4 4 4\n1 1 1 1\n', got ''
[osh status] Expected 0, got 1

stdout:
stderr: 
*** Error has no source location info ***
Can't index string 'c' with integer
osh_ALT52 Singleton Array Copy and Assign

[osh_ALT stdout] Expected '4 4 4 4\n1 1 1 1\n', got ''
[osh_ALT status] Expected 0, got 1

stdout:
stderr: 
*** Error has no source location info ***
Can't index string 'c' with integer
osh-byterun52 Singleton Array Copy and Assign

[osh-byterun stdout] Expected '4 4 4 4\n1 1 1 1\n', got ''
[osh-byterun status] Expected 0, got 1

stdout:
stderr: 
*** Error has no source location info ***
Can't index string 'c' with integer
mksh57 Slice of sparse array with [@]

stdout:
stderr: 
_tmp/spec-bin/mksh: <stdin>[4]: ${a[@]: 15:2}: bad substitution