!! 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

!! test
Test empty array as the first input
!! wikitext
{{#af_print: {{#af_difference: {{AF_EMPTY}} | {{#af_list: a | b | c }} }} }}
!! html
!! end

!! test
Test empty array as the second input
!! wikitext
{{#af_print: {{#af_difference: {{#af_list: a | b | c }} | {{AF_EMPTY}} }} }}
!! html
<ul><li>0: a</li>
<li>1: b</li>
<li>2: c</li></ul>
!! end

!! test
Test both arrays empty
!! wikitext
{{#af_print: {{#af_difference: {{#af_list: }} | {{#af_list: }} }} }}
!! html
!! end

!! test
Test case sensitivity
!! wikitext
{{#af_print: {{#af_difference: {{#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 duplicate elements in the first array
!! wikitext
{{#af_print: {{#af_difference: {{#af_list: a | a | b | c }} | {{#af_list: c }} }} }}
!! html
<ul><li>0: a</li>
<li>1: a</li>
<li>2: b</li></ul>
!! end

!! test
Test duplicate elements in the second array
!! wikitext
{{#af_print: {{#af_difference: {{#af_list: a | b | c }} | {{#af_list: c | c | d }} }} }}
!! html
<ul><li>0: a</li>
<li>1: b</li></ul>
!! end

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

!! test
Test large arrays
!! wikitext
{{#af_print: {{#af_difference: {{#af_list: a1 | a2 | a3 | a4 | a5 }} | {{#af_list: a3 | a4 | a5 | a6 | a7 }} }} }}
!! html
<ul><li>0: a1</li>
<li>1: a2</li></ul>
!! end