####################
# No args is an error
argparse: No option specs were provided

####################
# Missing -- is an error
argparse: Missing -- separator

####################
# Flags but no option specs is an error
argparse: No option specs were provided

####################
# Invalid option specs
argparse: Invalid option spec 'h-' at char '-'
argparse: Short flag '+' invalid, must be alphanum or '#'
argparse: Invalid option spec 'h/help:' at char ':'
argparse: Invalid option spec 'h-help::' at char ':'
argparse: Invalid option spec 'h-help=x' at char 'x'

####################
# --max-args and --min-args work
min-max: Expected at least 1 args, got only 0
min-max: Expected at most 3 args, got 4
min-max: Expected at most 1 args, got 2

####################
# Invalid "#-val" spec
argparse: Implicit int short flag '#' does not allow modifiers like '='

####################
# Invalid arg in the face of a "#-val" spec
argparse: Unknown option '-x'
Standard input (line 41): 
    argparse '#-val' -- abc -x def
    ^

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# Defining a short flag more than once
argparse: Short flag 's' already defined

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# Defining a long flag more than once
argparse: Long flag 'short' already defined

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# Defining an implicit int flag more than once
argparse: Implicit int flag '#' already defined

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# Defining an implicit int flag with modifiers
argparse: Implicit int short flag 'v' does not allow modifiers like '='

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# No args

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# One arg and no matching flags

####################
# Five args with two matching a flag

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# Required, optional, and multiple flags

####################
# --stop-nonopt works

####################
# Implicit int flags work

####################
# Should be set to 987

####################
# Should be set to 765

####################
# Bool short flag only

####################
# Value taking short flag only

####################
# Implicit int short flag only

####################
# Implicit int short flag only with custom validation passes

####################
# Implicit int short flag only with custom validation fails
argparse: Value '499' for flag 'x' less than min allowed of '500'

####################
# Implicit int flag validation fails
argparse: Value '765x' for flag 'max' is not an integer
argparse: Value 'a1' for flag 'm' is not an integer

####################
# Check the exit status from argparse validation

####################
# Explicit int flag validation
argparse: Value '2' for flag 'm' greater than max allowed of '1'
argparse: Value '-1' for flag 'max' less than min allowed of '0'