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scroll test

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This commit is contained in:
Mike J Innes
2016-11-28 10:24:51 +00:00
parent 20545ad41d
commit f9ef678c4a
1 changed files with 43 additions and 0 deletions
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43
spec/text-editor-presenter-spec.coffee
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@@ -2536,6 +2536,49 @@ describe "TextEditorPresenter", ->
pixelPosition: {top: 6 * 10 - scrollTop - itemHeight, left: gutterWidth}
}
it "does not slide horizontally when set to stable", ->
scrollLeft = 20
marker = editor.markBufferPosition([0, 26], invalidate: 'never')
decoration = editor.decorateMarker(marker, {type: 'overlay', item, stable: true})
presenter = buildPresenter({scrollLeft, windowWidth, windowHeight, contentFrameWidth, boundingClientRect, gutterWidth})
expectStateUpdate presenter, ->
presenter.setOverlayDimensions(decoration.id, itemWidth, itemHeight, contentMargin)
expectValues stateForOverlay(presenter, decoration), {
item: item
pixelPosition: {top: 1 * 10, left: 26 * 10 + gutterWidth - scrollLeft}
}
expectStateUpdate presenter, -> editor.insertText('a')
expectValues stateForOverlay(presenter, decoration), {
item: item
pixelPosition: {top: 1 * 10, left: 26 * 10 + gutterWidth - scrollLeft}
}
it "does not flip vertically when set to stable", ->
scrollTop = 10
marker = editor.markBufferPosition([5, 0], invalidate: 'never')
decoration = editor.decorateMarker(marker, {type: 'overlay', item, stable: true})
presenter = buildPresenter({scrollTop, windowWidth, windowHeight, contentFrameWidth, boundingClientRect, gutterWidth})
expectStateUpdate presenter, ->
presenter.setOverlayDimensions(decoration.id, itemWidth, itemHeight, contentMargin)
expectValues stateForOverlay(presenter, decoration), {
item: item
pixelPosition: {top: 6 * 10 - scrollTop, left: gutterWidth}
}
expectStateUpdate presenter, ->
editor.insertNewline()
presenter.setScrollTop(scrollTop) # I'm fighting the editor
expectValues stateForOverlay(presenter, decoration), {
item: item
pixelPosition: {top: 6 * 10 - scrollTop, left: gutterWidth}
}
describe "when the overlay item has a margin", ->
beforeEach ->
itemWidth = 12 * 10