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Before:
let g:loclist = [
\ {'bufnr': 1, 'lnum': 2, 'col': 10},
\ {'bufnr': 1, 'lnum': 3, 'col': 2},
\ {'bufnr': 1, 'lnum': 3, 'col': 10},
\ {'bufnr': 1, 'lnum': 3, 'col': 12},
\ {'bufnr': 1, 'lnum': 3, 'col': 25},
\ {'bufnr': 1, 'lnum': 5, 'col': 4},
\ {'bufnr': 1, 'lnum': 5, 'col': 5},
\ {'bufnr': 1, 'lnum': 9, 'col': 5},
\ {'bufnr': 1, 'lnum': 10, 'col': 1},
\ {'bufnr': 2, 'lnum': 7, 'col': 10},
\ {'bufnr': 2, 'lnum': 9, 'col': 2},
\ {'bufnr': 2, 'lnum': 10, 'col': 2},
\ {'bufnr': 2, 'lnum': 11, 'col': 2},
\]
After:
unlet g:loclist
Execute(Exact column matches should be correct):
AssertEqual 1, ale#util#BinarySearch(g:loclist, 1, 3, 2)
Execute(Off lines, there should be no match):
AssertEqual -1, ale#util#BinarySearch(g:loclist, 1, 4, 2)
Execute(Near column matches should be taken):
AssertEqual 2, ale#util#BinarySearch(g:loclist, 1, 3, 11)
AssertEqual 3, ale#util#BinarySearch(g:loclist, 1, 3, 13)
Execute(Columns before should be taken when the cursor is far ahead):
AssertEqual 4, ale#util#BinarySearch(g:loclist, 1, 3, 300)
Execute(The only problems on lines in later columns should be matched):
AssertEqual 7, ale#util#BinarySearch(g:loclist, 1, 9, 1)
Execute(The only problems on lines in earlier columns should be matched):
AssertEqual 8, ale#util#BinarySearch(g:loclist, 1, 10, 30)
Execute(Lines for other buffers should not be matched):
AssertEqual -1, ale#util#BinarySearch(g:loclist, 1, 7, 10)
Execute(Searches for buffers later in the list should work):
AssertEqual 10, ale#util#BinarySearch(g:loclist, 2, 9, 10)
Execute(Searches should work with just one item):
let g:loclist = [{'bufnr': 1, 'lnum': 3, 'col': 10}]
AssertEqual 0, ale#util#BinarySearch(g:loclist, 1, 3, 2)
Execute(Searches should return the last item on a single column):
let g:loclist = [
\ {'bufnr': 1, 'lnum': 1, 'col': 10, 'type': 'W'},
\ {'bufnr': 1, 'lnum': 1, 'col': 10, 'type': 'E'},
\ {'bufnr': 1, 'lnum': 1, 'col': 11, 'type': 'W'},
\ {'bufnr': 1, 'lnum': 1, 'col': 11, 'type': 'E'},
\ {'bufnr': 1, 'lnum': 1, 'col': 20, 'type': 'W'},
\ {'bufnr': 1, 'lnum': 1, 'col': 20, 'type': 'E'},
\]
" We should return the index for the last item at some column to the right.
AssertEqual 1, ale#util#BinarySearch(g:loclist, 1, 1, 1)
" We should return the index for the last item at the column we are on.
AssertEqual 3, ale#util#BinarySearch(g:loclist, 1, 1, 11)
" We should prefer items to the left of the cursor, over the right.
AssertEqual 3, ale#util#BinarySearch(g:loclist, 1, 1, 19)
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