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Add failing specs for undoing changes that surround anchor points

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This commit is contained in:
Nathan Sobo
2013-01-29 18:29:42 -07:00
parent 0ecfba3262
commit 6c7b93872c
1 changed files with 14 additions and 5 deletions
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19
spec/app/edit-session-spec.coffee
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@@ -1792,6 +1792,12 @@ describe "EditSession", ->
buffer.insert([0, 0], '\nhi\n')
expect(editSession.getAnchorPointBufferPosition(anchor1Id)).toEqual [6, 23]
# undo works
editSession.undo()
expect(editSession.getAnchorPointBufferPosition(anchor1Id)).toEqual [4, 23]
editSession.undo()
expect(editSession.getAnchorPointBufferPosition(anchor1Id)).toEqual [4, 26]
describe "when the change follows the anchor point", ->
it "does not move the anchor", ->
buffer.insert([6, 5], '...')
@@ -1813,16 +1819,19 @@ describe "EditSession", ->
expect(editSession.getAnchorPointBufferPosition(anchor1Id)).toEqual [4, 26]
describe "when the change surrounds the anchor point", ->
beforeEach ->
buffer.delete([[4, 20], [4, 26]])
describe "when the anchor survives surrounding changes", ->
it "moves the anchor to the start of the change, but does not invalidate it", ->
it "preserves the anchor, moving it to the start of the change, but restores its location on undo", ->
buffer.delete([[4, 20], [4, 26]])
expect(editSession.getAnchorPointBufferPosition(anchor3Id)).toEqual [4, 20]
editSession.undo()
expect(editSession.getAnchorPointBufferPosition(anchor3Id)).toEqual [4, 23]
describe "when the anchor does not survive surrounding changes", ->
it "invalidates the anchor", ->
it "invalidates the anchor but re-validates it on undo", ->
buffer.delete([[4, 20], [4, 26]])
expect(editSession.getAnchorPointBufferPosition(anchor1Id)).toBeUndefined()
editSession.undo()
expect(editSession.getAnchorPointBufferPosition(anchor1Id)).toEqual [4, 23]
describe ".clipBufferPosition(bufferPosition)", ->
it "clips the given position to a valid position", ->