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Test ignoreScrollPastEnd.

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This commit is contained in:
joshaber 2016-03-01 10:53:31 -05:00
parent 87c74a8359
commit 4cd7cbda02
1 changed files with 20 additions and 8 deletions
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28
spec/text-editor-presenter-spec.coffee
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@ -635,16 +635,28 @@ describe "TextEditorPresenter", ->
expectStateUpdate presenter, -> presenter.setExplicitHeight(500)
expect(getState(presenter).verticalScrollbar.scrollHeight).toBe 500
it "adds the computed clientHeight to the computed scrollHeight if editor.scrollPastEnd is true", ->
presenter = buildPresenter(scrollTop: 10, explicitHeight: 50, horizontalScrollbarHeight: 10)
expectStateUpdate presenter, -> presenter.setScrollTop(300)
expect(getState(presenter).verticalScrollbar.scrollHeight).toBe presenter.contentHeight
describe "scrollPastEnd", ->
it "adds the computed clientHeight to the computed scrollHeight if editor.scrollPastEnd is true", ->
presenter = buildPresenter(scrollTop: 10, explicitHeight: 50, horizontalScrollbarHeight: 10)
expectStateUpdate presenter, -> presenter.setScrollTop(300)
expect(getState(presenter).verticalScrollbar.scrollHeight).toBe presenter.contentHeight
expectStateUpdate presenter, -> atom.config.set("editor.scrollPastEnd", true)
expect(getState(presenter).verticalScrollbar.scrollHeight).toBe presenter.contentHeight + presenter.clientHeight - (presenter.lineHeight * 3)
expectStateUpdate presenter, -> atom.config.set("editor.scrollPastEnd", true)
expect(getState(presenter).verticalScrollbar.scrollHeight).toBe presenter.contentHeight + presenter.clientHeight - (presenter.lineHeight * 3)
expectStateUpdate presenter, -> atom.config.set("editor.scrollPastEnd", false)
expect(getState(presenter).verticalScrollbar.scrollHeight).toBe presenter.contentHeight
expectStateUpdate presenter, -> atom.config.set("editor.scrollPastEnd", false)
expect(getState(presenter).verticalScrollbar.scrollHeight).toBe presenter.contentHeight
it "doesn't add the computed clientHeight to the computed scrollHeight if editor.scrollPastEnd is true but ignoreScrollPastEnd is true", ->
presenter = buildPresenter(scrollTop: 10, explicitHeight: 50, horizontalScrollbarHeight: 10, ignoreScrollPastEnd: true)
expectStateUpdate presenter, -> presenter.setScrollTop(300)
expect(getState(presenter).verticalScrollbar.scrollHeight).toBe presenter.contentHeight
expectStateUpdate presenter, -> atom.config.set("editor.scrollPastEnd", true)
expect(getState(presenter).verticalScrollbar.scrollHeight).toBe presenter.contentHeight
expectStateUpdate presenter, -> atom.config.set("editor.scrollPastEnd", false)
expect(getState(presenter).verticalScrollbar.scrollHeight).toBe presenter.contentHeight
describe ".scrollTop", ->
it "tracks the value of ::scrollTop", ->