!! Version 2
# Force the test runner to ensure the extension is loaded
!! functionhooks
af_intersect
!! endfunctionhooks

# This file tests the #af_intersect parser function

!! test
Test single array
!! wikitext
{{#af_print: {{#af_intersect: {{#af_list: a | b | c }} }} }}
!! html
<ul><li>0: a</li>
<li>1: b</li>
<li>2: c</li></ul>
!! end

!! test
Test two disjunct arrays
!! wikitext
{{#af_print: {{#af_intersect: {{#af_list: a | b | c }} | {{#af_list: d | e | f }} }} }}
!! html
!! end

!! test
Test two identical arrays
!! wikitext
{{#af_print: {{#af_intersect: {{#af_list: a | b | c }} | {{#af_list: a | b | c }} }} }}
!! html
<ul><li>0: a</li>
<li>1: b</li>
<li>2: c</li></ul>
!! end

!! test
Test overlapping arrays
!! wikitext
{{#af_print: {{#af_intersect: {{#af_list: a | b | c }} | {{#af_list: c | d | e }} }} }}
!! html
<ul><li>2: c</li></ul>
!! end

!! test
Test disjunct multiple arrays
!! wikitext
{{#af_print: {{#af_intersect: {{#af_list: a | b | c }} | {{#af_list: c | d | e }} | {{#af_list: e | f | g }} }} }}
!! html
!! end

!! test
Test overlapping multiple arrays
!! wikitext
{{#af_print: {{#af_intersect: {{#af_list: a | b | c }} | {{#af_list: a | d | e }} | {{#af_list: a | f | g }} }} }}
!! html
<ul><li>0: a</li></ul>
!! end

!! test
Test empty arrays
!! wikitext
{{#af_print: {{#af_intersect: {{AF_EMPTY}} | {{AF_EMPTY}} }} }}
!! html
!! end

!! test
Test single empty array
!! wikitext
{{#af_print: {{#af_intersect: {{#af_list: a | b | c }} | {{AF_EMPTY}} }} }}
!! html
!! end

!! test
Test mixed types
!! wikitext
{{#af_print: {{#af_intersect: {{#af_list: a | 1 | true | b }} | {{#af_list: b | 1 | false | c }} }} }}
!! html
<ul><li>1: 1</li>
<li>3: b</li></ul>
!! end

!! test
Test nested arrays
!! wikitext
{{#af_print: {{#af_intersect: {{#af_list: {{#af_list: a | b }} | c }} | {{#af_list: {{#af_list: a | b }} | d }} }} }}
!! html
<ul><li>0
<ul><li>0: a</li>
<li>1: b</li></ul></li></ul>
!! end

!! test
Test objects as arrays
!! wikitext
{{#af_print: {{#af_intersect: {{#af_object: key1=a | key2=b }} | {{#af_object: key2=b | key3=c }} }} }}
!! html
<ul><li>key2: b</li></ul>
!! end

!! test
Test duplicate values in single array
!! wikitext
{{#af_print: {{#af_intersect: {{#af_list: a | b | b | c }} | {{#af_list: b | c }} }} }}
!! html
<ul><li>1: b</li>
<li>2: b</li>
<li>3: c</li></ul>
!! end