8232433: [macos 10.15] java/awt/Window/LocationAtScreenCorner/LocationAtScreenCorner.java may fail

Reviewed-by: prr

src/java.desktop/macosx/native/libawt_lwawt/awt/AWTWindow.m

@@ -1183,6 +1183,15 @@ JNF_COCOA_ENTER(env);
         // ensure we repaint the whole window after the resize operation
         // (this will also re-enable screen updates, which were disabled above)
         // TODO: send PaintEvent
+
+        // the macOS may ignore our "setFrame" request, in this, case the
+        // windowDidMove() will not come and we need to manually resync the
+        // "java.awt.Window" and NSWindow locations, because "java.awt.Window"
+        // already uses location ignored by the macOS.
+        // see sun.lwawt.LWWindowPeer#notifyReshape()
+        if (!NSEqualRects(rect, [nsWindow frame])) {
+            [window _deliverMoveResizeEvent];
+        }
     }];
 
 JNF_COCOA_EXIT(env);

test/jdk/java/awt/Window/LocationAtScreenCorner/LocationAtScreenCorner.java

 /*
- * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -21,6 +21,7 @@
  * questions.
  */
 
+import java.awt.AWTException;
 import java.awt.Frame;
 import java.awt.GraphicsDevice;
 import java.awt.GraphicsEnvironment;
@@ -31,15 +32,21 @@ import java.awt.Robot;
 /**
  * @test
  * @key headful
- * @bug 8201364
+ * @bug 8201364 8232433
  * @summary Component.getLocation() should returns correct location if
  *          Component.setBounds() was ignored by the OS
  */
 public final class LocationAtScreenCorner {
 
     public static void main(final String[] args) throws Exception {
+        test(true);
+        test(false);
+    }
+
+    private static void test(final boolean undecorated) throws AWTException {
         Robot robot = new Robot();
         Frame frame = new Frame();
+        frame.setUndecorated(undecorated);
         frame.setSize(200, 200);
         frame.setLocationRelativeTo(null);
         frame.setVisible(true);