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Add tests for DisplayBuffer::screenPositionForBufferPosition around soft tabs

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This makes sure that a buffer position in the middle of a soft tab will
correctly clip to the closest edge by default.
This commit is contained in:
Nikolaus Wittenstein
2015-03-23 09:42:37 -04:00
parent 5a3f2035a1
commit b28ee92896
1 changed files with 11 additions and 0 deletions
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11
spec/display-buffer-spec.coffee
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@@ -739,6 +739,17 @@ describe "DisplayBuffer", ->
expect(displayBuffer.screenPositionForBufferPosition([0, 0])).toEqual [0, 0]
expect(displayBuffer.screenPositionForBufferPosition([0, 1])).toEqual [0, tabLength]
it "clips to the edge closest to the given position when it's inside a soft tab", ->
tabLength = 4
displayBuffer.setTabLength(tabLength)
buffer.insert([0, 0], ' ')
expect(displayBuffer.screenPositionForBufferPosition([0, 0])).toEqual [0, 0]
expect(displayBuffer.screenPositionForBufferPosition([0, 1])).toEqual [0, 0]
expect(displayBuffer.screenPositionForBufferPosition([0, 2])).toEqual [0, 0]
expect(displayBuffer.screenPositionForBufferPosition([0, 3])).toEqual [0, 4]
expect(displayBuffer.screenPositionForBufferPosition([0, 4])).toEqual [0, 4]
describe "position translation in the presence of hard tabs", ->
it "correctly translates positions on either side of a tab", ->
buffer.setText('\t')