Add replace many test to ensure that logic doesn't regress again.

Author: clovett

src/UnitTests/UnitTest1.cs

@@ -1584,6 +1584,48 @@ public void TestFind()
             // find should not modify the document, so we should be able to exit without saveas dialog.
         }
 
+        [TestMethod]
+        [Timeout(TestMethodTimeout)]
+        public void TestReplaceMany()
+        {
+            ResetFindOptions();
+
+            Trace.WriteLine("TestReplace==========================================================");
+            string testFile = _testDir + "UnitTests\\test10.xml";
+            var w = LaunchNotepad(testFile);
+
+            w.SendKeystrokes("{HOME}");
+            w.SendKeystrokes("^c");
+            var original = GetClipboardText();
+            var findDialog = OpenReplaceDialog();
+
+            // replace all instances of "item" with something longer "xxxxxxx";
+            findDialog.Window.SendKeystrokes("item{TAB}xxxxxxx%a");
+            findDialog.Window.DismissPopUp("{ESC}");
+
+            w.SendKeystrokes("{ESC}{HOME}");
+            CheckOuterXml(original.Replace("item", "xxxxxxx"));
+
+            Trace.WriteLine("Check compound undo.");
+            Undo();
+            w.SendKeystrokes("{HOME}");
+            CheckOuterXml(original);
+
+            findDialog = OpenReplaceDialog();
+
+            // replace all instances of "item" with something shorter "YY";
+            findDialog.Window.SendKeystrokes("item{TAB}YY%a");
+            findDialog.Window.DismissPopUp("{ESC}");
+
+            w.SendKeystrokes("{ESC}{HOME}");
+            CheckOuterXml(original.Replace("item", "YY"));
+
+            Trace.WriteLine("Check compound undo.");
+            Undo();
+            w.SendKeystrokes("{HOME}");
+            CheckOuterXml(original);
+        }
+
         [TestMethod]
         [Timeout(TestMethodTimeout)]
         public void TestReplace()
@@ -1596,7 +1638,6 @@ public void TestReplace()
 
             w.SendKeystrokes("{HOME}");
             var findDialog = OpenReplaceDialog();
-            findDialog.ClearFindCheckBoxes();
 
             Trace.WriteLine("Toggle dialog using ctrl+f & ctrl+h");
             findDialog.Window.SendKeystrokes("^f");
@@ -3064,6 +3105,20 @@ void CheckProperties(AutomationWrapper node)
             //Trace.WriteLine("\tHelpTopic=" + node.GetHelpTopic(out filename));
         }
 
+        public string GetClipboardText()
+        {
+            int retries = 5;
+            while (retries-- > 0)
+            {
+                if (Clipboard.ContainsText())
+                {
+                    return Clipboard.GetText();                    
+                }
+                Sleep(250);
+            }
+
+            throw new ApplicationException("clipboard does not contain any text!");
+        }
         public override void CheckClipboard(string expected)
         {
             int retries = 5;

src/UnitTests/UnitTests.csproj

@@ -74,6 +74,7 @@
     <Content Include="Test1.xml">
       <SubType>Designer</SubType>
     </Content>
+    <Content Include="test10.xml" />
     <Content Include="test2.xml" />
     <Content Include="test3.xml" />
     <Content Include="test4.xml" />

src/UnitTests/test10.xml

@@ -0,0 +1,8 @@
+<test>
+  <item>Apple</item>
+  <item>Banana</item>
+  <item>Grape</item>
+  <item>Peach</item>
+  <item>This contains multiple matching items and item and item</item>
+  <item>Watermelon</item>
+</test>