From c0c36fba709a53eecdebf8b7cd4b4e37027a3a89 Mon Sep 17 00:00:00 2001
From: Christoph von Wittich <Christoph_vW@ReactOS.org>
Date: Mon, 30 Mar 2015 19:39:13 +0200
Subject: [PATCH] riched20: EM_SETSEL should not return 0.

---
 dlls/riched20/editor.c       |  3 +--
 dlls/riched20/tests/editor.c | 38 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 39 insertions(+), 2 deletions(-)

diff --git a/dlls/riched20/editor.c b/dlls/riched20/editor.c
index 146e4be79c6..171ec692513 100644
--- a/dlls/riched20/editor.c
+++ b/dlls/riched20/editor.c
@@ -3308,8 +3308,7 @@ LRESULT ME_HandleMessage(ME_TextEditor *editor, UINT msg, WPARAM wParam,
   }
   case EM_SETSEL:
   {
-    handle_EM_EXSETSEL( editor, wParam, lParam );
-    return 0;
+    return handle_EM_EXSETSEL( editor, wParam, lParam );
   }
   case EM_SETSCROLLPOS:
   {
diff --git a/dlls/riched20/tests/editor.c b/dlls/riched20/tests/editor.c
index 151fcbae4aa..65752afe702 100644
--- a/dlls/riched20/tests/editor.c
+++ b/dlls/riched20/tests/editor.c
@@ -4454,6 +4454,43 @@ static void test_EM_EXSETSEL(void)
     DestroyWindow(hwndRichEdit);
 }
 
+static void check_EM_SETSEL(HWND hwnd, const struct exsetsel_s *setsel, int id) {
+    LRESULT result;
+    int start, end;
+
+    result = SendMessageA(hwnd, EM_SETSEL, setsel->min, setsel->max);
+
+    ok(result == setsel->expected_retval, "EM_SETSEL(%d): expected: %ld actual: %ld\n", id, setsel->expected_retval, result);
+
+    SendMessageA(hwnd, EM_GETSEL, (WPARAM)&start, (LPARAM)&end);
+
+    if (setsel->_getsel_todo_wine) {
+        todo_wine {
+            ok(start == setsel->expected_getsel_start && end == setsel->expected_getsel_end, "EM_SETSEL(%d): expected (%d,%d) actual:(%d,%d)\n", id, setsel->expected_getsel_start, setsel->expected_getsel_end, start, end);
+        }
+    } else {
+        ok(start == setsel->expected_getsel_start && end == setsel->expected_getsel_end, "EM_SETSEL(%d): expected (%d,%d) actual:(%d,%d)\n", id, setsel->expected_getsel_start, setsel->expected_getsel_end, start, end);
+    }
+}
+
+static void test_EM_SETSEL(void)
+{
+    HWND hwndRichEdit = new_richedit(NULL);
+    int i;
+    const int num_tests = sizeof(exsetsel_tests)/sizeof(struct exsetsel_s);
+
+    /* sending some text to the window */
+    SendMessageA(hwndRichEdit, WM_SETTEXT, 0, (LPARAM)"testing selection");
+    /*                                                 01234567890123456*/
+    /*                                                          10      */
+
+    for (i = 0; i < num_tests; i++) {
+        check_EM_SETSEL(hwndRichEdit, &exsetsel_tests[i], i);
+    }
+
+    DestroyWindow(hwndRichEdit);
+}
+
 static void test_EM_REPLACESEL(int redraw)
 {
     HWND hwndRichEdit = new_richedit(NULL);
@@ -7658,6 +7695,7 @@ START_TEST( editor )
   test_EM_GETLIMITTEXT();
   test_WM_SETFONT();
   test_EM_GETMODIFY();
+  test_EM_SETSEL();
   test_EM_EXSETSEL();
   test_WM_PASTE();
   test_EM_STREAMIN();
-- 
2.11.4.GIT