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

# This file tests the #af_difference parser function

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

!! test
Test two identical arrays
!! wikitext
{{#af_print: {{#af_difference: {{#af_list: a | b | c }} | {{#af_list: a | b | c }} }} }}
!! html
!! end

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

!! test
Test disjunct multiple arrays
!! wikitext
{{#af_print: {{#af_difference: {{#af_list: a | b | c }} | {{#af_list: d | e | f }} | {{#af_list: g | h | i }} }} }}
!! html
<ul><li>0: a</li>
<li>1: b</li>
<li>2: c</li></ul>
!! end

!! test
Test overlapping multiple arrays
!! wikitext
{{#af_print: {{#af_difference: {{#af_list: a | b | c }} | {{#af_list: a | d | e }} | {{#af_list: a | f | g }} }} }}
!! html
<ul><li>1: b</li>
<li>2: c</li></ul>
!! end

!! test
Test overlapping multiple arrays 2
!! wikitext
{{#af_print: {{#af_difference: {{#af_list: a | b | c }} | {{#af_list: b }} | {{#af_list: c }} }} }}
!! html
<ul><li>0: a</li></ul>
!! end