!! Version 2
# MediaWiki 'Arrays' extension Parser test cases
# Author: Daniel Werner

# Generate required templates.
# These are the defaults set in $egArraysExpansionEscapeTemplates
!! article
Template:((
!! text
{{
!!endarticle

!! article
Template:))
!! text
}}
!!endarticle

!! article
Template:=
!! text
<nowiki>=</nowiki>
!!endarticle


##
## 0. Misc
##

!! test
Inclusion of special page does not reset arrays. Did not work before 'Arrays 2.0' rewrite
!! wikitext
"{{#arraydefine:a|test}}{{#arraydefine:foo|{{Special:AllPages}} }}", "{{#arraysize:a}}"
!! html
<p>"", "1"
</p>
!! end


##
## 1. Construction
## #arraydefine
##

!! functionhooks
arraydefine
!! endfunctionhooks

!! test
'arraydefine' with default parameters.
!! wikitext
{{#arraydefine: a | a, b, , a, a, }}
"{{#arrayprint: a}}"
!! html
<p>"a, b, , a, a,"
</p>
!! end


!! test
';' as separator, unique option
!! wikitext
{{#arraydefine: a | a; ; b; a; a ; ; | ; | unique }}
{{#arrayprint: a}}
!! html
<p>a, b
</p>
!! end


!! test
'arraydefine' using an regular expression
!! wikitext
{{#arraydefine: a | a b c d | /\s+/ }}
{{#arrayprint: a}}
!! html
<p>a, b, c, d
</p>
!! end


!! test
'arraydefine' with empty definition should create empty array and one with 'singleempty' option
!! wikitext
{{#arraydefine: a | }}{{#arraydefine: b | |, | singleempty }}
"{{#arraysize: a}}", "{{#arraysize: b}}"
!! html
<p>"0", "1"
</p>
!! end


##
## 2. Extracting information
## #arrayprint
##

!! test
'arrayprint' with non-existent array.
!! wikitext
"{{#arrayprint: non-existent-array }}"
!! html
<p>""
</p>
!! end


!! test
'arrayprint' with array key output.
!! wikitext
{{#arraydefine: a | a, bb, ccc}}
"{{#arrayprint: a | <br/> }}"
!! html
<p>"a<br />bb<br />ccc"
</p>
!! end


!! functionhooks
len
!! endfunctionhooks

!! test
Parser function within 'arrayprint'
!! wikitext
{{#arraydefine: a | a, bb, ccc}}
"{{#arrayprint: a | | @ | {{#len:@}} }}"
!! html
<p>"123"
</p>
!! end


!! test
Test whether escaping special chars in 'arrayprint' works (this is related to $egArraysExpansionEscapeTemplates )
!! wikitext
{{#arraydefine: a | a{{))}}, {{!}}bb=bb, cc{{))}}c}}
"{{#arrayprint: a | , | @ | @ }}"
!! html
<p>"a}},|bb=bb,cc}}c"
</p>
!! end


!! article
Template:ArrayTestHelper
!! text
{{
<!-- This test will check for parameter use within statement -->
#arrayprint:{{{name|}}} |{{{sep|}}} |@@@@ | {{#if:{{{1|}}}|"{{{1|}}}",}} "@@@@" {{#len:@@@@}}
}}
!!endarticle

!! test
'arrayprint' within a template with parameter in print statement
!! wikitext
{{#arraydefine: a | a, bb, ccc}}
{{ArrayTestHelper |name=a |sep=<br/> |1=fo{{))}}o}}
!! html
<p>"fo}}o", "a" 1<br />"fo}}o", "bb" 2<br />"fo}}o", "ccc" 3
</p>
!! end


##
## #arrayindex
##

!! test
'arrayindex' with non-defined array.
!! wikitext
"{{#arrayindex: undefined-array | 0 }}",
"{{#arrayindex: undefined-array |  }}"
!! html
<p>"",
""
</p>
!! end


!! test
'arrayindex' with existing and non-existing keys.
!! wikitext
{{#arraydefine: a | 1 }}
"{{#arrayindex: a | 0 }}",
"{{#arrayindex: a | 100 }}",
"{{#arrayindex: a | xxx }}"
!! html
<p>"1",
"",
""
</p>
!! end


!! test
'arrayindex' with negative index.
!! wikitext
{{#arraydefine: a | a,b,c,d,e
}}"{{
#arrayindex: a | -1 }}", "{{
#arrayindex: a | -0 }}", "{{
#arrayindex: a | -111 }}"
!! html
<p>"e", "a", ""
</p>
!! end


!! test
the need for the 'default=' sucks, should be removed some day.
!! wikitext
"{{
#arrayindex: undefined-array |  }}", "{{
#arrayindex: undefined-array | 0| dflt
}}"
!! html
<p>"", "dflt"
</p>
!! end


!! test
existing index, empty value "", default should jump in
!! wikitext
"{{
#arraydefine: a | A }}{{
#arrayindex: a | A | dflt
}}"
!! html
<p>"dflt"
</p>
!! end


!! test
default expansion test
!! wikitext
"{{
#arraydefine: a | A }}{{
#vardefine: var }}{{
#arrayindex: a | 0 | {{#vardefine: var | 1 }} }}{{
#var: var }}", "{{
#arrayindex: a | 1 | {{#vardefine: var | 2 }} }}{{
#var: var
}}"
!! html
<p>"A", "2"
</p>
!! end


##
## #arraysize
##

!! test
'arraysize' with non-defined array.
!! wikitext
"{{#arraysize: undefined-array}}"
!! html
<p>""
</p>
!! end


!! test
'arraysize' with defined, empty array.
!! wikitext
{{#arraydefine: a}}
"{{#arraysize: a}}"
!! html
<p>"0"
</p>
!! end


!! test
'arraysize' non-empty array.
!! wikitext
{{#arraydefine: a | a, 2 }}
"{{#arraysize: a}}"
!! html
<p>"2"
</p>
!! end


##
## #arraysearch
##

!! test
'arraysearch' without data
!! wikitext
"{{#arraysearch:}}"
!! html
<p>""
</p>
!! end


!! test
'arraysearch' returning '-1' on not found sucks returns empty string since 2.0 rewrite
!! wikitext
"{{#arraysearch:}}"
!! html
<p>""
</p>
!! end


!! test
'arraysearch' without data
!! wikitext
"{{
#arraydefine:a|a}}{{
#arraysearch:a| a |0|yes|no}}", "{{
#arraysearch:a|foo|0|yes|no
}}"
!! html
<p>"yes", "no"
</p>
!! end


!! article
Template:ArrayTests:arraysearch
!! text
<!-- base by the following tests
-->{{#arraydefine: arrSearch | red, blue, 1, 5, green, 3, 1, 1, 2}}
!!endarticle

!! test
Some basic 'arraysearch'
!! wikitext
{{ArrayTests:arraysearch}}
"{{#arraysearch: arrSearch | 1 }}",
"{{#arraysearch: arrSearch | red }}",
"{{#arraysearch: arrSearch | 1 | 3 }}",
"{{#arraysearch: arrSearch | /\d+/isx }}"
!! html
<p>"2",
"0",
"6",
"2"
</p>
!! end

!! test
With negative start index
!! wikitext
{{ArrayTests:arraysearch}}
"{{#arraysearch: arrSearch | 1 | -1 }}",
"{{#arraysearch: arrSearch | 1 | -2 }}",
"{{#arraysearch: arrSearch | 1 | -20 }}"
!! html
<p>"",
"7",
"2"
</p>
!! end

!! test
'arraysearch' parameter 'yes' and 'no' expansion test.
!! wikitext
{{ArrayTests:arraysearch}}{{
#arraydefine: arrSearch | red, blue, 1, 5, green, 3, 1, 1, 2}}{{
#arraysearch: arrSearch | 1 | 0 | {{#vardefine:yes|1}} | {{#vardefine:no|1}} }}"{{#var:yes}}_{{#var:no}}",
{{#arraysearch: arrSearch | xxx | 0 | {{#vardefine:yes2|1}} | {{#vardefine:no2|1}} }}"{{#var:yes2}}_{{#var:no2}}"
!! html
<p>"1_",
"_1"
</p>
!! end


##
## #arraysearcharray
##

!! article
Template:ArrayTests:arraysearcharray
!! text
<!-- base by the following tests
-->{{
#arrayreset:
}}{{
#arraydefine: arrSearch | red, green 1, yellow 1 , 33 , 21, ,  , 9, 0, , 0 , 2, 1 , 1, red, blue
}}
!!endarticle

!! test
Only parameter one
!! wikitext
"{{
ArrayTests:arraysearcharray
}}{{
#arrayreset: a }}{{
#arraysearcharray: a }}{{
#arraysize: a
}}"
!! html
<p>"0"
</p>
!! end


!! test
Empty, this will find the three empty elements
!! wikitext
"{{
ArrayTests:arraysearcharray
}}{{
#arraysearcharray: a | arrSearch }}{{
#arrayprint: a | ,
}}"
!! html
<p>",,"
</p>
!! end


!! test
Search for '1'
!! wikitext
"{{
ArrayTests:arraysearcharray
}}{{
#arraysearcharray: a | arrSearch | 1 }}{{
#arrayprint: a
}}"
!! html
<p>"1, 1"
</p>
!! end


!! test
Regex search expression, index and offset omitted
!! wikitext
"{{
ArrayTests:arraysearcharray
}}{{
#arraysearcharray: a | arrSearch | /\d+/ | | }}{{
#arrayprint: a
}}"
!! html
<p>"green 1, yellow 1, 33, 21, 9, 0, 0, 2, 1, 1"
</p>
!! end


!! test
Regex search with limit
!! wikitext
"{{
ArrayTests:arraysearcharray
}}{{
#arraysearcharray: a | arrSearch | /\d+/ | 0 | 4 }}{{
#arrayprint: a
}}"
!! html
<p>"green 1, yellow 1, 33, 21"
</p>
!! end


!! test
Regex search with limit '0'
!! wikitext
"{{
ArrayTests:arraysearcharray
}}{{
#arraysearcharray: a | arrSearch | /\d+/ | 0 | 0 }}{{
#arrayprint: a
}}"
!! html
<p>""
</p>
!! end


!! test
Regex search with limit and start index
!! wikitext
"{{
ArrayTests:arraysearcharray
}}{{
#arraysearcharray: a | arrSearch | /\d+/ | 2 | 4 }}{{
#arrayprint: a
}}"
!! html
<p>"yellow 1, 33, 21, 9"
</p>
!! end


!! test
Regex search and transform
!! wikitext
"{{
ArrayTests:arraysearcharray
}}{{
#arraysearcharray: a | arrSearch | /(\d+)/ | 2 | 3 | $0 + $1 }}{{
#arrayprint: a
}}"
!! html
<p>"yellow 1 + 1, 33 + 33, 21 + 21"
</p>
!! end


!! test
Regex search and transform with limit and negative start index
!! wikitext
"{{
ArrayTests:arraysearcharray
}}{{
#arraysearcharray: a | arrSearch | /(\d+)/ | -6 | 4 | +$1 }}{{
#arrayprint: a
}}"
!! html
<p>"+0, +2, +1, +1"
</p>
!! end


!! test
Using Subpage Fun extension with 'e' modifier
!! options
disabled
!! wikitext
"{{
ArrayTests:arraysearcharray
}}{{
#arraydefine: b | 55555, 333, 4444, 1, 22, 999999999, 88888888, 4444 }}{{
#arraysearcharray: b | b | /\d+/e | 0 | -1 | {{#len:$0}} }}{{
#arrayprint: b }}", "{{
#arrayindex: b | 0
}}"
!! html
<p>"5, 3, 4, 1, 2, 9, 8, 4", "5"
</p>
!! end


##
## #arrayslice
##

!! test
empty 'arrayslice'
!! wikitext
"{{
#arrayreset: a }}{{
#arrayslice: a }}{{
#arraysize: a }}"
!! html
<p>"0"
</p>
!! end


!! test
'arrayslice' without offset using for cloning an array
!! wikitext
"{{
#arraydefine: a | a, b, c, d, e, f }}{{
#arrayslice: a | a }}{{
#arrayprint: a
}}"
!! html
<p>"a, b, c, d, e, f"
</p>
!! end


!! test
'arrayslice' with offset and limit
!! wikitext
"{{
#arraydefine: a | a, b, c, d, e, f }}{{
#arrayslice: a | a | 1 | 2 }}{{
#arrayprint: a
}}"
!! html
<p>"b, c"
</p>
!! end


!! test
'arrayslice' with negative offset
!! wikitext
"{{
#arraydefine: a | a, b, c, d, e, f }}{{
#arrayslice: a | a | -2 | 100 }}{{
#arrayprint: a
}}"
!! html
<p>"e, f"
</p>
!! end


!! test
'arrayslice' with negative offset and limit
!! wikitext
"{{
#arraydefine: a | a, b, c, d, e, f }}{{
#arrayslice: a | a | -3 | -1 }}{{
#arrayprint: a
}}"
!! html
<p>"d, e"
</p>
!! end


!! test
'arrayslice' with negative offset and too hight negative limit
!! wikitext
"{{
#arraydefine: a | a, b, c, d, e, f }}{{
#arrayslice: a | a | -3 | -99 }}{{
#arrayprint: a
}}"
!! html
<p>""
</p>
!! end


!! test
'arrayslice' with negative offset below '0'
!! wikitext
"{{
#arraydefine: a | a, b, c, d, e, f }}{{
#arrayslice: a | a | -99 }}{{
#arrayprint: a
}}"
!! html
<p>"a, b, c, d, e, f"
</p>
!! end


##
## 3. Alteration
## #arrayreset
##

!! test
'arrayreset' certain arrayes
!! wikitext
"{{
#arraydefine: a }}{{#arraydefine: b }}{{
#arrayreset: a | xxx }}{{
#arraysize: a }}{{#arraysize: b
}}"
!! html
<p>"0"
</p>
!! end


!! test
'arrayreset' all arrayes
!! wikitext
"{{
#arraydefine: a }}{{#arraydefine: b }}{{
#arrayreset: }}{{
#arraysize: a }}{{#arraysize: b
}}"
!! html
<p>""
</p>
!! end


!! test
'arrayreset' compatbility-mode
!! wikitext
"{{
#arraydefine: a }}{{#arraydefine: b }}{{
#arrayreset: a, xxx }}{{
#arraysize: a }}{{#arraysize: b
}}"
!! html
<p>"00"
</p>
!! end


##
## #arrayunique
##

!! test
'arrayunique' also removes empty elements!
!! wikitext
"{{
#arraydefine: a }}{{#arraydefine: a | a,b,a,b, , a, ,a,b }}{{
#arrayunique: a }}{{
#arrayprint: a
}}"
!! html
<p>"a, b"
</p>
!! end


##
## #arraysort
##

!! article
Template:ArrayTests:arraysort
!! text
<!-- base by the following tests
-->{{#arraydefine: arrSort | c, g, b, e, a, b, f, e, d }}
!!endarticle

!! test
'arraysort' ascending order
!! wikitext
"{{
ArrayTests:arraysort
}}{{
#arraysort: arrSort | asce }}{{
#arrayprint: arrSort
}}"
!! html
<p>"a, b, b, c, d, e, e, f, g"
</p>
!! end


!! test
'arraysort' descending order
!! wikitext
"{{
ArrayTests:arraysort
}}{{
#arraysort: arrSort | desc }}{{
#arrayprint: arrSort
}}"
!! html
<p>"g, f, e, e, d, c, b, b, a"
</p>
!! end


!! test
'arraysort' ascending order and then revert
!! wikitext
"{{
ArrayTests:arraysort
}}{{
#arraysort: arrSort | asc }}{{
#arraysort: arrSort | reverse }}{{
#arrayprint: arrSort
}}"
!! html
<p>"g, f, e, e, d, c, b, b, a"
</p>
!! end


##
## 4. Interaction between arrays
## #arraymerge
##

!! article
Template:ArrayTests:arrayinteractions
!! text
<!-- base by the following tests
-->{{
#arrayreset: }}{{
#arraydefine: 1 | a,    c, d, e, f, g }}{{
#arraydefine: 2 | a, b,    d,         x, y, z }}{{
#arraydefine: 3 | a, b,       e,      x,      1, 2
}}
!!endarticle

!! test
'arraymerge' with only one parameter
!! wikitext
"{{
ArrayTests:arrayinteractions
}}{{
#arrayreset: new1 }}{{
#arraymerge: new1 }}{{
#arraysize: new1
}}"
!! html
<p>"0"
</p>
!! end


!! test
'arraymerge' with only one array
This already worked before 2.0!
!! wikitext
"{{
ArrayTests:arrayinteractions
}}{{
#arrayreset: new1 }}{{
#arraymerge: new1 | 1 }}{{
#arraysize: new1
}}"
!! html
<p>"6"
</p>
!! end


!! test
'arraymerge' of two tables
!! wikitext
"{{
ArrayTests:arrayinteractions
}}{{
#arraymerge: new1 | 1 | 2 }}{{
#arrayprint: new1
}}"
!! html
<p>"a, c, d, e, f, g, a, b, d, x, y, z"
</p>
!! end


!! test
'arraymerge' of three tables
!! wikitext
"{{
ArrayTests:arrayinteractions
}}{{
#arraymerge: new1 | 1 | 2 | 3 }}{{
#arrayprint: new1
}}"
!! html
<p>"a, c, d, e, f, g, a, b, d, x, y, z, a, b, e, x, 1, 2"
</p>
!! end


##
## #arrayunion
##

!! test
'arrayunion' with only one parameter
!! wikitext
"{{
ArrayTests:arrayinteractions
}}{{
#arrayreset: new1 }}{{
#arrayunion: new1 }}{{
#arraysize: new1
}}"
!! html
<p>"0"
</p>
!! end


!! test
'arrayunion' with only one array
!! wikitext
"{{
ArrayTests:arrayinteractions
}}{{
#arrayreset: new1 }}{{
#arrayunion: new1 | 1 }}{{
#arraysize: new1
}}"
!! html
<p>"6"
</p>
!! end


!! test
'arrayunion' merging two tables
!! wikitext
"{{
ArrayTests:arrayinteractions
}}{{
#arrayunion: new1 | 1 | 2 }}{{
#arrayprint: new1
}}"
!! html
<p>"a, c, d, e, f, g, b, x, y, z"
</p>
!! end


!! test
'arrayunion' of three tables
!! wikitext
"{{
ArrayTests:arrayinteractions
}}{{
#arrayunion: new1 | 1 | 2 | 3 }}{{
#arrayprint: new1
}}"
!! html
<p>"a, c, d, e, f, g, b, x, y, z, 1, 2"
</p>
!! end


##
## #arraydiff
##

!! test
'arraydiff' with only one parameter
!! wikitext
"{{
ArrayTests:arrayinteractions
}}{{
#arrayreset: new1 }}{{
#arraydiff: new1 }}{{
#arraysize: new1
}}"
!! html
<p>"0"
</p>
!! end


!! test
'arraydiff' with only one array
!! wikitext
"{{
ArrayTests:arrayinteractions
}}{{
#arrayreset: new1 }}{{
#arraydiff: new1 | 1 }}{{
#arraysize: new1
}}"
!! html
<p>"6"
</p>
!! end


!! test
'arraydiff' comparing two tables
!! wikitext
"{{
ArrayTests:arrayinteractions
}}{{
#arraydiff: new1 | 1 | 2 }}{{
#arrayprint: new1
}}"
!! html
<p>"c, e, f, g"
</p>
!! end


!! test
'arraydiff' of three tables
!! wikitext
"{{
ArrayTests:arrayinteractions
}}{{
#arraydiff: new1 | 1 | 2 | 3 }}{{
#arrayprint: new1
}}"
!! html
<p>"c, f, g"
</p>
!! end


##
## #arrayintersect
##

!! test
'arrayintersect' with only one parameter
!! wikitext
"{{
ArrayTests:arrayinteractions
}}{{
#arrayreset: new1 }}{{
#arrayintersect: new1 }}{{
#arraysize: new1
}}"
!! html
<p>"0"
</p>
!! end


!! test
'arrayintersect' with only one array
!! wikitext
"{{
ArrayTests:arrayinteractions
}}{{
#arrayreset: new1 }}{{
#arrayintersect: new1 | 1 }}{{
#arraysize: new1
}}"
!! html
<p>"6"
</p>
!! end


!! test
'arrayintersect' comparing two tables
!! wikitext
"{{
ArrayTests:arrayinteractions
}}{{
#arrayintersect: new1 | 1 | 2 }}{{
#arrayprint: new1
}}"
!! html
<p>"a, d"
</p>
!! end


!! test
'arrayintersect' of three tables
!! wikitext
"{{
ArrayTests:arrayinteractions
}}{{
#arrayintersect: new1 | 1 | 2 | 3 }}{{
#arrayprint: new1
}}"
!! html
<p>"a"
</p>
!! end