2 files changed, 6 insertions, 5 deletions
diff --git a/src/junit/com/jogamp/test/junit/newt/TestGLWindows01NEWT.java b/src/junit/com/jogamp/test/junit/newt/TestGLWindows01NEWT.java
index 52c125998..53100eca7 100644
--- a/src/junit/com/jogamp/test/junit/newt/TestGLWindows01NEWT.java
+++ b/src/junit/com/jogamp/test/junit/newt/TestGLWindows01NEWT.java
@@ -108,6 +108,7 @@ public class TestGLWindows01NEWT {
         Assert.assertEquals(true,glWindow.isVisible());
         Assert.assertEquals(true,glWindow.isNativeWindowValid());
         while(glWindow.getTotalFrames()<1) { Thread.sleep(100); }
+        System.out.println("Frames for initial setVisible(true): "+glWindow.getTotalFrames());
         Assert.assertTrue(0<glWindow.getTotalFrames()); // native expose ..
         // Assert.assertEquals(width,glWindow.getWidth());
         // Assert.assertEquals(height,glWindow.getHeight());
diff --git a/src/junit/com/jogamp/test/junit/newt/parenting/TestParenting01NEWT.java b/src/junit/com/jogamp/test/junit/newt/parenting/TestParenting01NEWT.java
index 66d5fb60c..68dfa2c06 100644
--- a/src/junit/com/jogamp/test/junit/newt/parenting/TestParenting01NEWT.java
+++ b/src/junit/com/jogamp/test/junit/newt/parenting/TestParenting01NEWT.java
@@ -185,15 +185,15 @@ public class TestParenting01NEWT {
             Thread.sleep(durationPerTest);
             switch(state) {
                 case 0:
+                    Assert.assertEquals(true, glWindow2.isVisible());
                     glWindow2.reparentWindow(glWindow1, null);
-                    Thread.sleep(100); // give some time for events to be propagated
                     Assert.assertEquals(true, glWindow2.isVisible());
                     Assert.assertEquals(true, glWindow2.isNativeWindowValid());
                     Assert.assertEquals(glWindow1,glWindow2.getParentNativeWindow());
                     break;
                 case 1:
+                    Assert.assertEquals(true, glWindow2.isVisible());
                     glWindow2.reparentWindow(null, null);
-                    Thread.sleep(100); // give some time for events to be propagated
                     Assert.assertEquals(true, glWindow2.isVisible());
                     Assert.assertEquals(true, glWindow2.isNativeWindowValid());
                     Assert.assertNull(glWindow2.getParentNativeWindow());
@@ -246,15 +246,15 @@ public class TestParenting01NEWT {
             Thread.sleep(durationPerTest);
             switch(state) {
                 case 0:
-                    glWindow2.reparentWindow(null, null);
-                    Thread.sleep(100); // give some time for events to be propagated
+                    Assert.assertEquals(true, glWindow2.isVisible());
+                    glWindow2.reparentWindow(null, null); 
                     Assert.assertEquals(true, glWindow2.isVisible());
                     Assert.assertEquals(true, glWindow2.isNativeWindowValid());
                     Assert.assertNull(glWindow2.getParentNativeWindow());
                     break;
                 case 1:
+                    Assert.assertEquals(true, glWindow2.isVisible());
                     glWindow2.reparentWindow(glWindow1, null);
-                    Thread.sleep(100); // give some time for events to be propagated
                     Assert.assertEquals(true, glWindow2.isVisible());
                     Assert.assertEquals(true, glWindow2.isNativeWindowValid());
                     Assert.assertEquals(glWindow1,glWindow2.getParentNativeWindow());