test/jdk/java/awt/Frame/DefaultLocationTest.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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import java.awt.EventQueue;
import java.awt.Frame;
import java.awt.Label;

/*
 * @test
 * @bug 4085599
 * @library /java/awt/regtesthelpers
 * @build PassFailJFrame
 * @summary Test default location for frame
 * @run main/manual DefaultLocationTest
 */

public class DefaultLocationTest {
    private static Frame f;

    public static void main(String[] args) throws Exception {
        String INSTRUCTIONS = """
                A small frame containing the label 'Hello World' should
                appear in the upper left hand corner of the screen. The
                exact location is dependent upon the window manager.

                On Linux and Mac machines, the default location for frame
                is below the taskbar or close to top-left corner.

                Upon test completion, click Pass or Fail appropriately.""";

        PassFailJFrame passFailJFrame = new PassFailJFrame("DefaultLocationTest " +
                " Instructions", INSTRUCTIONS, 5, 10, 40);
        EventQueue.invokeAndWait(DefaultLocationTest::createAndShowUI);
        passFailJFrame.awaitAndCheck();
    }

    private static void createAndShowUI() {
        f = new Frame("DefaultLocation");
        f.add("Center", new Label("Hello World"));
        f.pack();
        PassFailJFrame.addTestWindow(f);
        PassFailJFrame.positionTestWindow(
                null, PassFailJFrame.Position.HORIZONTAL);
        f.setVisible(true);
    }
}