--- /dev/null	2018-04-02 14:03:43.000000000 -0700
+++ new/test/jdk/java/awt/Window/MainKeyWindowTest/libtest8194327.c	2018-04-02 14:03:42.000000000 -0700
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 2018, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+#import <Cocoa/Cocoa.h>
+#import <JavaNativeFoundation/JavaNativeFoundation.h>
+
+static NSWindow *testWindow;
+static NSColorPanel *colorPanel;
+
+/*
+ * Class:     Test
+ * Method:    setup
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL Java_Test_setup(JNIEnv *env, jclass cl)
+{
+    JNF_COCOA_ENTER(env);
+
+    void (^block)() = ^(){
+    NSScreen *mainScreen = [NSScreen mainScreen];
+    NSRect screenFrame = [mainScreen frame];
+    NSRect frame = NSMakeRect(100, screenFrame.size.height - 350, 150, 150);
+    NSWindowStyleMask style = NSWindowStyleMaskTitled;
+    NSRect rect = [NSWindow contentRectForFrameRect:frame styleMask:style];
+    NSBackingStoreType bt = NSBackingStoreBuffered;
+    testWindow = [[[NSWindow alloc] initWithContentRect:rect styleMask:style backing:bt defer:NO] retain];
+    testWindow.title = @"NSWindow";
+    [testWindow setBackgroundColor:[NSColor blueColor]];
+    [testWindow makeKeyAndOrderFront:nil];
+    // Java coordinates are 100, 200
+
+    colorPanel = [[NSColorPanel sharedColorPanel] retain];
+    [colorPanel setReleasedWhenClosed: NO];
+    [colorPanel makeKeyAndOrderFront: nil];
+    [colorPanel setFrameTopLeftPoint: NSMakePoint(100, screenFrame.size.height - 400)];
+    // Java coordinates are 100, 400
+    };
+
+  if ([NSThread isMainThread]) {
+      block();
+  } else {
+      [JNFRunLoop performOnMainThreadWaiting:YES withBlock:block];
+  }
+
+  JNF_COCOA_EXIT(env);
+}
+
+/*
+ * Class:     Test
+ * Method:    takedown
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL Java_Test_takedown(JNIEnv *env, jclass cl)
+{
+    JNF_COCOA_ENTER(env);
+
+    void (^block)() = ^(){
+        if (testWindow != nil) {
+            [testWindow close];
+            testWindow = nil;
+        }
+        if (colorPanel != nil) {
+            [colorPanel close];
+            colorPanel = nil;
+        }
+    };
+
+    if ([NSThread isMainThread]) {
+        block();
+    } else {
+        [JNFRunLoop performOnMainThreadWaiting:YES withBlock:block];
+    }
+
+    JNF_COCOA_EXIT(env);
+}
+
+/*
+ * Class:     Test
+ * Method:    activateApplication
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL Java_Test_activateApplication
+  (JNIEnv *env, jclass cl)
+{
+    JNF_COCOA_ENTER(env);
+
+    void (^block)() = ^(){
+        [NSApp activateIgnoringOtherApps:YES];
+    };
+
+    [JNFRunLoop performOnMainThreadWaiting:YES withBlock:block];
+
+  JNF_COCOA_EXIT(env);
+}