SelectLine : When multiple line selected, complete both first and last line.

spec/text-editor-spec.coffee

@@ -1299,6 +1299,13 @@ describe "TextEditor", ->
         editor.selectLinesContainingCursors()
         expect(editor.getSelectedBufferRange()).toEqual [[0, 0], [2, 0]]
 
+      describe "when selection span multiple row", ->
+        it "complete selection to contain the entire first and last line", ->
+          selection = editor.getLastSelection()
+          selection.setBufferRange [[1, 10], [3, 20]]
+          editor.selectLinesContainingCursors()
+          expect(editor.getSelectedBufferRange()).toEqual [[1, 0], [4, 0]]
+
       it "autoscrolls to the selection", ->
         editor.setLineHeightInPixels(10)
         editor.setDefaultCharWidth(10)

src/selection.coffee

@@ -324,9 +324,18 @@ class Selection extends Model
   #
   # * `row` The line {Number} to select (default: the row of the cursor).
   selectLine: (row, options) ->
-    row ?= @cursor.getBufferPosition().row
-    range = @editor.bufferRangeForBufferRow(row, includeNewline: true)
-    @setBufferRange(@getBufferRange().union(range), options)
+
+    if row?
+      range = @editor.bufferRangeForBufferRow(row, includeNewline: true)
+      @setBufferRange(@getBufferRange().union(range), options)
+
+    else
+      rowStart = @marker.getStartBufferPosition().row
+      rangeStart = @editor.bufferRangeForBufferRow(rowStart, includeNewline: true)
+      rowEnd = @marker.getEndBufferPosition().row
+      rangeEnd = @editor.bufferRangeForBufferRow(rowEnd, includeNewline: true)
+      @setBufferRange(@getBufferRange().union(rangeStart).union(rangeEnd), options)
+
     @linewise = true
     @wordwise = false
     @initialScreenRange = @getScreenRange()