# This set of tests exercises the serialization/deserialization and code copy
# functions in the library. It does not use UTF or JIT.

#forbid_utf

# Compile several patterns, push them onto the stack, and then write them
# all to a file.

#pattern push

/(?<NAME>(?&NAME_PAT))\s+(?<ADDR>(?&ADDRESS_PAT))
  (?(DEFINE)
  (?<NAME_PAT>[a-z]+)
  (?<ADDRESS_PAT>\d+)
  )/x
/^(?:((.)(?1)\2|)|((.)(?3)\4|.))$/i

#save testsaved1

# Do it again for some more patterns.

/(*MARK:A)(*SKIP:B)(C|X)/mark
** Ignored when compiled pattern is stacked with 'push': mark
/(?:(?<n>foo)|(?<n>bar))\k<n>/dupnames

#save testsaved2
#pattern -push

# Reload the patterns, then pop them one by one and check them.

#load testsaved1
#load testsaved2

#pop info
Capturing subpattern count = 2
Max back reference = 2
Named capturing subpatterns:
  n   1
  n   2
Options: dupnames
Starting code units: b f 
Subject length lower bound = 6
    foofoo             
 0: foofoo
 1: foo
    barbar
 0: barbar
 1: <unset>
 2: bar
    
#pop mark
    C
 0: C
 1: C
MK: A
\= Expect no match     
    D 
No match, mark = A
    
#pop
    AmanaplanacanalPanama   
 0: AmanaplanacanalPanama
 1: <unset>
 2: <unset>
 3: AmanaplanacanalPanama
 4: A

#pop info
Capturing subpattern count = 4
Named capturing subpatterns:
  ADDR          2
  ADDRESS_PAT   4
  NAME          1
  NAME_PAT      3
Options: extended
Subject length lower bound = 3
    metcalfe 33
 0: metcalfe 33
 1: metcalfe
 2: 33
    
# Check for an error when different tables are used.

/abc/push,tables=1
/xyz/push,tables=2
#save testsaved1
Serialization failed: error -30: patterns do not all use the same character tables

#pop
    xyz
 0: xyz

#pop
    abc
 0: abc

#pop should give an error
** Can't pop off an empty stack
    pqr
    
/abcd/pushcopy
    abcd
 0: abcd
    
#pop
    abcd 
 0: abcd

#pop should give an error
** Can't pop off an empty stack

/abcd/push
#popcopy
    abcd
 0: abcd
    
#pop
    abcd 
 0: abcd
    
/abcd/push
#save testsaved1
#pop should give an error
** Can't pop off an empty stack

#load testsaved1
#popcopy 
    abcd
 0: abcd
    
#pop
    abcd
 0: abcd

#pop should give an error
** Can't pop off an empty stack

/abcd/pushtablescopy
    abcd
 0: abcd

#popcopy 
    abcd
 0: abcd
    
#pop
    abcd 
 0: abcd

# End of testinput20
