Add method for cutting text to the end of the buffer line

spec/text-editor-spec.coffee

@@ -2899,6 +2899,35 @@ describe "TextEditor", ->
               expect(buffer.lineForRow(3)).toBe '    var pivot = item'
               expect(atom.clipboard.read()).toBe ' <= 1) ret\ns.shift(), current, left = [], right = [];'
 
+      describe ".cutToEndOfBufferLine()", ->
+        describe "when soft wrap is on", ->
+          it "cuts up to the end of the buffer line", ->
+            editor.setSoftWrapped(true)
+            editor.setEditorWidthInChars(10)
+            editor.setCursorScreenPosition([2, 2])
+            editor.cutToEndOfBufferLine()
+            expect(editor.tokenizedLineForScreenRow(2).text).toBe '= '
+
+        describe "when soft wrap is off", ->
+          describe "when nothing is selected", ->
+            it "cuts up to the end of the buffer line", ->
+              editor.setCursorBufferPosition([2, 20])
+              editor.addCursorAtBufferPosition([3, 20])
+              editor.cutToEndOfBufferLine()
+              expect(buffer.lineForRow(2)).toBe '    if (items.length'
+              expect(buffer.lineForRow(3)).toBe '    var pivot = item'
+              expect(atom.clipboard.read()).toBe ' <= 1) return items;\ns.shift(), current, left = [], right = [];'
+
+          describe "when text is selected", ->
+            it "only cuts the selected text, not to the end of the buffer line", ->
+              editor.setSelectedBufferRanges([[[2, 20], [2, 30]], [[3, 20], [3, 20]]])
+
+              editor.cutToEndOfBufferLine()
+
+              expect(buffer.lineForRow(2)).toBe '    if (items.lengthurn items;'
+              expect(buffer.lineForRow(3)).toBe '    var pivot = item'
+              expect(atom.clipboard.read()).toBe ' <= 1) ret\ns.shift(), current, left = [], right = [];'
+
       describe ".copySelectedText()", ->
         it "copies selected text onto the clipboard", ->
           editor.setSelectedBufferRanges([[[0, 4], [0, 13]], [[1, 6], [1, 10]], [[2, 8], [2, 13]]])