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78 lines
2.9 KiB
CoffeeScript
78 lines
2.9 KiB
CoffeeScript
Buffer = require 'buffer'
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EditSession = require 'edit-session'
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Range = require 'range'
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describe "Selection", ->
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[buffer, editSession, selection] = []
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beforeEach ->
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buffer = new Buffer(require.resolve('fixtures/sample.js'))
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editSession = new EditSession(buffer: buffer, tabLength: 2)
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selection = editSession.getSelection()
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afterEach ->
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buffer.destroy()
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describe ".deleteSelectedText()", ->
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describe "when nothing is selected", ->
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it "deletes nothing", ->
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selection.setBufferRange new Range([0,3], [0,3])
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selection.deleteSelectedText()
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expect(buffer.lineForRow(0)).toBe "var quicksort = function () {"
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describe "when one line is selected", ->
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it "deletes selected text and clears the selection", ->
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selection.setBufferRange new Range([0,4], [0,14])
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selection.deleteSelectedText()
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expect(buffer.lineForRow(0)).toBe "var = function () {"
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endOfLine = buffer.lineForRow(0).length
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selection.setBufferRange new Range([0,0], [0, endOfLine])
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selection.deleteSelectedText()
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expect(buffer.lineForRow(0)).toBe ""
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expect(selection.isEmpty()).toBeTruthy()
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describe "when multiple lines are selected", ->
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it "deletes selected text and clears the selection", ->
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selection.setBufferRange new Range([0,1], [2,39])
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selection.deleteSelectedText()
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expect(buffer.lineForRow(0)).toBe "v;"
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expect(selection.isEmpty()).toBeTruthy()
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describe "when the cursor precedes the anchor", ->
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it "it deletes selected text and clears the selection", ->
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selection.cursor.setScreenPosition [0,13]
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selection.selectToScreenPosition [0,4]
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selection.delete()
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expect(buffer.lineForRow(0)).toBe "var = function () {"
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expect(selection.isEmpty()).toBeTruthy()
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describe ".isReversed()", ->
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it "returns true if the cursor precedes the anchor", ->
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selection.cursor.setScreenPosition([0, 20])
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selection.selectToScreenPosition([0, 10])
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expect(selection.isReversed()).toBeTruthy()
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selection.selectToScreenPosition([0, 25])
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expect(selection.isReversed()).toBeFalsy()
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describe "when only the selection's anchor is moved (regression)", ->
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it "emits the 'change-screen-range' event", ->
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selection.setBufferRange([[2, 0], [2, 10]], reverse: true)
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changeScreenRangeHandler = jasmine.createSpy('changeScreenRangeHandler')
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selection.on 'change-screen-range', changeScreenRangeHandler
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buffer.insert([2, 5], 'abc')
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expect(changeScreenRangeHandler).toHaveBeenCalled()
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describe "when the selection is destroyed", ->
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it "destroys its cursor and its anchor's cursor", ->
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selection.setBufferRange([[2, 0], [2, 10]])
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selection.destroy()
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expect(editSession.getAnchors().indexOf(selection.anchor)).toBe -1
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expect(editSession.getAnchors().indexOf(selection.cursor.anchor)).toBe -1
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