Add SCI_SETMOVEEXTENDSSELECTION to simplify selection mode manipulation.

1 files changed, 19 insertions, 0 deletions

diff --git a/test/simpleTests.py b/test/simpleTests.py
index d372e0fbd..6f82c4004 100644
--- a/test/simpleTests.py
+++ b/test/simpleTests.py
@@ -2057,6 +2057,7 @@ class TestModalSelection(unittest.TestCase):
 		self.assertEqual(self.ed.GetSelectionNAnchor(0), 1)
 		self.ed.SelectionMode = self.ed.SC_SEL_STREAM
 		self.assertEqual(self.ed.GetSelectionMode(), self.ed.SC_SEL_STREAM)
+		self.assertEqual(self.ed.MoveExtendsSelection, True)
 		self.assertEqual(self.ed.Selections, 1)
 		self.assertEqual(self.ed.MainSelection, 0)
 		self.assertEqual(self.ed.GetSelectionNCaret(0), 1)
@@ -2072,6 +2073,24 @@ class TestModalSelection(unittest.TestCase):
 		self.assertEqual(self.ed.GetSelectionNCaret(0), 6)
 		self.assertEqual(self.ed.GetSelectionNAnchor(0), 1)
 		self.ed.ClearSelections()
+		
+	def testTurningOffMoveExtendsSelection(self):
+		self.ed.SetSelection(1, 1)
+		self.ed.SelectionMode = self.ed.SC_SEL_STREAM
+		self.ed.CharRight()
+		self.ed.LineDown()
+		self.assertEqual(self.ed.MoveExtendsSelection, True)
+		self.ed.MoveExtendsSelection = False
+		self.assertEqual(self.ed.MoveExtendsSelection, False)
+		self.ed.CharRight()
+		self.assertEqual(self.ed.Selections, 1)
+		self.assertEqual(self.ed.MainSelection, 0)
+		self.assertEqual(selectionRepresentation(self.ed, 0), "6-6")
+		self.ed.CharRight()
+		self.assertEqual(self.ed.Selections, 1)
+		self.assertEqual(self.ed.MainSelection, 0)
+		self.assertEqual(selectionRepresentation(self.ed, 0), "7-7")
+		self.ed.ClearSelections()
 
 	def testRectangleSelection(self):
 		self.ed.SetSelection(1, 1)