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+" Test for :match, :2match, :3match, clearmatches(), getmatches(), matchadd(),
+" matchaddpos(), matcharg(), matchdelete(), and setmatches().
+
+function Test_match()
+ highlight MyGroup1 term=bold ctermbg=red guibg=red
+ highlight MyGroup2 term=italic ctermbg=green guibg=green
+ highlight MyGroup3 term=underline ctermbg=blue guibg=blue
+
+ " --- Check that "matcharg()" returns the correct group and pattern if a match
+ " --- is defined.
+ match MyGroup1 /TODO/
+ 2match MyGroup2 /FIXME/
+ 3match MyGroup3 /XXX/
+ call assert_equal(['MyGroup1', 'TODO'], matcharg(1))
+ call assert_equal(['MyGroup2', 'FIXME'], matcharg(2))
+ call assert_equal(['MyGroup3', 'XXX'], matcharg(3))
+
+ " --- Check that "matcharg()" returns an empty list if the argument is not 1,
+ " --- 2 or 3 (only 0 and 4 are tested).
+ call assert_equal([], matcharg(0))
+ call assert_equal([], matcharg(4))
+
+ " --- Check that "matcharg()" returns ['', ''] if a match is not defined.
+ match
+ 2match
+ 3match
+ call assert_equal(['', ''], matcharg(1))
+ call assert_equal(['', ''], matcharg(2))
+ call assert_equal(['', ''], matcharg(3))
+
+ " --- Check that "matchadd()" and "getmatches()" agree on added matches and
+ " --- that default values apply.
+ let m1 = matchadd("MyGroup1", "TODO")
+ let m2 = matchadd("MyGroup2", "FIXME", 42)
+ let m3 = matchadd("MyGroup3", "XXX", 60, 17)
+ let ans = [{'group': 'MyGroup1', 'pattern': 'TODO', 'priority': 10, 'id': 4},
+ \ {'group': 'MyGroup2', 'pattern': 'FIXME', 'priority': 42, 'id': 5},
+ \ {'group': 'MyGroup3', 'pattern': 'XXX', 'priority': 60, 'id': 17}]
+ call assert_equal(ans, getmatches())
+
+ " --- Check that "matchdelete()" deletes the matches defined in the previous
+ " --- test correctly.
+ call matchdelete(m1)
+ call matchdelete(m2)
+ call matchdelete(m3)
+ call assert_equal([], getmatches())
+
+ " --- Check that "matchdelete()" returns 0 if successful and otherwise -1.
+ let m = matchadd("MyGroup1", "TODO")
+ call assert_equal(0, matchdelete(m))
+ call assert_fails('call matchdelete(42)', 'E803:')
+
+ " --- Check that "clearmatches()" clears all matches defined by ":match" and
+ " --- "matchadd()".
+ let m1 = matchadd("MyGroup1", "TODO")
+ let m2 = matchadd("MyGroup2", "FIXME", 42)
+ let m3 = matchadd("MyGroup3", "XXX", 60, 17)
+ match MyGroup1 /COFFEE/
+ 2match MyGroup2 /HUMPPA/
+ 3match MyGroup3 /VIM/
+ call clearmatches()
+ call assert_equal([], getmatches())
+
+ " --- Check that "setmatches()" restores a list of matches saved by
+ " --- "getmatches()" without changes. (Matches with equal priority must also
+ " --- remain in the same order.)
+ let m1 = matchadd("MyGroup1", "TODO")
+ let m2 = matchadd("MyGroup2", "FIXME", 42)
+ let m3 = matchadd("MyGroup3", "XXX", 60, 17)
+ match MyGroup1 /COFFEE/
+ 2match MyGroup2 /HUMPPA/
+ 3match MyGroup3 /VIM/
+ let ml = getmatches()
+ call clearmatches()
+ call setmatches(ml)
+ call assert_equal(ml, getmatches())
+ call clearmatches()
+
+ " --- Check that "setmatches()" will not add two matches with the same ID. The
+ " --- expected behaviour (for now) is to add the first match but not the
+ " --- second and to return 0 (even though it is a matter of debate whether
+ " --- this can be considered successful behaviour).
+ let data = [{'group': 'MyGroup1', 'pattern': 'TODO', 'priority': 10, 'id': 1},
+ \ {'group': 'MyGroup2', 'pattern': 'FIXME', 'priority': 10, 'id': 1}]
+ call assert_fails('call setmatches(data)', 'E801:')
+ call assert_equal([data[0]], getmatches())
+ call clearmatches()
+
+ " --- Check that "setmatches()" returns 0 if successful and otherwise -1.
+ " --- (A range of valid and invalid input values are tried out to generate the
+ " --- return values.)
+ call assert_equal(0, setmatches([]))
+ call assert_equal(0, setmatches([{'group': 'MyGroup1', 'pattern': 'TODO', 'priority': 10, 'id': 1}]))
+ call clearmatches()
+ call assert_fails('call setmatches(0)', 'E714:')
+ call assert_fails('call setmatches([0])', 'E474:')
+ call assert_fails("call setmatches([{'wrong key': 'wrong value'}])", 'E474:')
+
+ call setline(1, 'abcdefghijklmnopq')
+ call matchaddpos("MyGroup1", [[1, 5], [1, 8, 3]], 10, 3)
+ 1
+ redraw!
+ let v1 = screenattr(1, 1)
+ let v5 = screenattr(1, 5)
+ let v6 = screenattr(1, 6)
+ let v8 = screenattr(1, 8)
+ let v10 = screenattr(1, 10)
+ let v11 = screenattr(1, 11)
+ call assert_notequal(v1, v5)
+ call assert_equal(v6, v1)
+ call assert_equal(v8, v5)
+ call assert_equal(v10, v5)
+ call assert_equal(v11, v1)
+ call assert_equal([{'group': 'MyGroup1', 'id': 3, 'priority': 10, 'pos1': [1, 5, 1], 'pos2': [1, 8, 3]}], getmatches())
+ call clearmatches()
+
+ call setline(1, 'abcdΣabcdef')
+ call matchaddpos("MyGroup1", [[1, 4, 2], [1, 9, 2]])
+ 1
+ redraw!
+ let v1 = screenattr(1, 1)
+ let v4 = screenattr(1, 4)
+ let v5 = screenattr(1, 5)
+ let v6 = screenattr(1, 6)
+ let v7 = screenattr(1, 7)
+ let v8 = screenattr(1, 8)
+ let v9 = screenattr(1, 9)
+ let v10 = screenattr(1, 10)
+ call assert_equal([{'group': 'MyGroup1', 'id': 11, 'priority': 10, 'pos1': [1, 4, 2], 'pos2': [1, 9, 2]}], getmatches())
+ call assert_notequal(v1, v4)
+ call assert_equal(v5, v4)
+ call assert_equal(v6, v1)
+ call assert_equal(v7, v1)
+ call assert_equal(v8, v4)
+ call assert_equal(v9, v4)
+ call assert_equal(v10, v1)
+
+ " Check, that setmatches() can correctly restore the matches from matchaddpos()
+ call matchadd('MyGroup1', '\%2lmatchadd')
+ let m=getmatches()
+ call clearmatches()
+ call setmatches(m)
+ call assert_equal([{'group': 'MyGroup1', 'id': 11, 'priority': 10, 'pos1': [1, 4, 2], 'pos2': [1,9, 2]}, {'group': 'MyGroup1', 'pattern': '\%2lmatchadd', 'priority': 10, 'id': 12}], getmatches())
+
+ highlight MyGroup1 NONE
+ highlight MyGroup2 NONE
+ highlight MyGroup3 NONE
+endfunc
+
+func Test_matchaddpos()
+ syntax on
+ set hlsearch
+
+ call setline(1, ['12345', 'NP'])
+ call matchaddpos('Error', [[1,2], [1,6], [2,2]])
+ redraw!
+ call assert_notequal(screenattr(2,2), 0)
+ call assert_equal(screenattr(2,2), screenattr(1,2))
+ call assert_notequal(screenattr(2,2), screenattr(1,6))
+ 1
+ call matchadd('Search', 'N\|\n')
+ redraw!
+ call assert_notequal(screenattr(2,1), 0)
+ call assert_equal(screenattr(2,1), screenattr(1,6))
+ exec "norm! i0\<Esc>"
+ redraw!
+ call assert_equal(screenattr(2,2), screenattr(1,6))
+
+ " Check overlapping pos
+ call clearmatches()
+ call setline(1, ['1234567890', 'NH'])
+ call matchaddpos('Error', [[1,1,5], [1,3,5], [2,2]])
+ redraw!
+ call assert_notequal(screenattr(2,2), 0)
+ call assert_equal(screenattr(2,2), screenattr(1,5))
+ call assert_equal(screenattr(2,2), screenattr(1,7))
+ call assert_notequal(screenattr(2,2), screenattr(1,8))
+
+ call clearmatches()
+ call matchaddpos('Error', [[1], [2,2]])
+ redraw!
+ call assert_equal(screenattr(2,2), screenattr(1,1))
+ call assert_equal(screenattr(2,2), screenattr(1,10))
+ call assert_notequal(screenattr(2,2), screenattr(1,11))
+
+ nohl
+ call clearmatches()
+ syntax off
+ set hlsearch&
+endfunc
+
+func Test_matchaddpos_otherwin()
+ syntax on
+ new
+ call setline(1, ['12345', 'NP'])
+ let winid = win_getid()
+
+ wincmd w
+ call matchadd('Search', '4', 10, -1, {'window': winid})
+ call matchaddpos('Error', [[1,2], [2,2]], 10, -1, {'window': winid})
+ redraw!
+ call assert_notequal(screenattr(1,2), 0)
+ call assert_notequal(screenattr(1,4), 0)
+ call assert_notequal(screenattr(2,2), 0)
+ call assert_equal(screenattr(1,2), screenattr(2,2))
+ call assert_notequal(screenattr(1,2), screenattr(1,4))
+
+ wincmd w
+ bwipe!
+ call clearmatches()
+ syntax off
+endfunc
+
+func Test_matchaddpos_using_negative_priority()
+ set hlsearch
+
+ call clearmatches()
+
+ call setline(1, 'x')
+ let @/='x'
+ redraw!
+ let search_attr = screenattr(1,1)
+
+ let @/=''
+ call matchaddpos('Error', [1], 10)
+ redraw!
+ let error_attr = screenattr(1,1)
+
+ call setline(2, '-1 match priority')
+ call matchaddpos('Error', [2], -1)
+ redraw!
+ let negative_match_priority_attr = screenattr(2,1)
+
+ call assert_notequal(negative_match_priority_attr, search_attr, "Match with negative priority is incorrectly highlighted with Search highlight.")
+ call assert_equal(negative_match_priority_attr, error_attr)
+
+ nohl
+ set hlsearch&
+endfunc
+
+" vim: shiftwidth=2 sts=2 expandtab