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Filled in anchor specs

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This commit is contained in:
Corey Johnson
2012-10-31 13:14:19 -07:00
parent 5e17a24009
commit 7793a04172
1 changed files with 47 additions and 5 deletions
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52
spec/app/buffer-spec.coffee
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@@ -630,11 +630,53 @@ describe 'Buffer', ->
anchor = buffer.addAnchorAtPosition([4, 25])
anchor.on 'destroy', destroyHandler
describe "when a buffer change precedes an anchor", ->
it "moves the anchor in accordance with the change", ->
buffer.delete([[3, 0], [4, 10]])
expect(anchor.getBufferPosition()).toEqual [3, 15]
expect(destroyHandler).not.toHaveBeenCalled()
describe "when the buffer changes and the oldRange is equalTo than the newRange (text is replaced)", ->
describe "when the anchor is contained by the oldRange", ->
it "destroys the anchor", ->
buffer.change([[4, 20], [4, 26]], ".......")
expect(destroyHandler).toHaveBeenCalled()
describe "when the anchor is not contained by the oldRange", ->
it "does not move the anchor", ->
buffer.change([[4, 20], [4, 21]], ".")
expect(anchor.getBufferPosition()).toEqual [4, 25]
expect(destroyHandler).not.toHaveBeenCalled()
describe "when the buffer changes and the oldRange is smaller than the newRange (text is inserted)", ->
describe "when the buffer changes and the oldRange starts and ends before the anchor ", ->
it "updates the anchor position", ->
buffer.change([[4, 24], [4, 24]], "..")
expect(anchor.getBufferPosition()).toEqual [4, 27]
expect(destroyHandler).not.toHaveBeenCalled()
describe "when the buffer changes and the oldRange contains before the anchor ", ->
it "destroys the anchor", ->
buffer.change([[4, 24], [4, 26]], ".....")
expect(destroyHandler).toHaveBeenCalled()
describe "when the buffer changes and the oldRange stars after the anchor", ->
it "does not move the anchor", ->
buffer.change([[4, 26], [4, 26]], "....")
expect(anchor.getBufferPosition()).toEqual [4, 25]
expect(destroyHandler).not.toHaveBeenCalled()
describe "when the buffer changes and the oldRange is larger than the newRange (text is deleted)", ->
describe "when the buffer changes and the oldRange starts and ends before the anchor ", ->
it "updates the anchor position", ->
buffer.change([[4, 20], [4, 21]], "")
expect(anchor.getBufferPosition()).toEqual [4, 24]
expect(destroyHandler).not.toHaveBeenCalled()
describe "when the buffer changes and the oldRange contains before the anchor ", ->
it "destroys the anchor", ->
buffer.change([[4, 24], [4, 26]], ".")
expect(destroyHandler).toHaveBeenCalled()
describe "when the oldRange stars after the anchor", ->
it "does not move the anchor", ->
buffer.change([[4, 26], [4, 27]], "")
expect(anchor.getBufferPosition()).toEqual [4, 25]
expect(destroyHandler).not.toHaveBeenCalled()
describe "when a buffer change surrounds an anchor", ->
it "destroys the anchor", ->