test/jdk/java/awt/MenuItem/GiantFontTest.java

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import java.awt.Font;
import java.awt.Frame;
import java.awt.Menu;
import java.awt.MenuBar;
import java.awt.MenuItem;

/*
 * @test
 * @bug 4700350
 * @requires os.family != "mac"
 * @library /java/awt/regtesthelpers
 * @build PassFailJFrame
 * @summary Tests menu item font is big
 * @run main/manual GiantFontTest
 */

public class GiantFontTest {

    public static void main(String[] args) throws Exception {
        String INSTRUCTIONS = """
                        A frame with one menu will appear.
                        On Linux, the menu's (present on menu bar) font should
                        be quite large (48 point).
                        If not, test fails.

                        On Windows, the menu's (present on menu bar) font
                        should be normal size.
                        If the menu text is clipped by the title bar, or is painted over
                        the title bar or client area, the test fails.

                        On both Windows and Linux, the menu items in the popup
                        menu should be large.

                        If so, test passes.""";

        PassFailJFrame.builder()
                .title("GiantFontTest")
                .instructions(INSTRUCTIONS)
                .rows((int) INSTRUCTIONS.lines().count() + 2)
                .columns(40)
                .testUI(GiantFontTest::createAndShowUI)
                .build()
                .awaitAndCheck();
    }

    private static Frame createAndShowUI() {
        Font giantFont = new Font("Dialog", Font.PLAIN, 48);
        Frame f = new Frame("GiantFontTest");
        MenuBar mb = new MenuBar();
        Menu m = new Menu("My font is too big!");
        m.setFont(giantFont);
        for (int i = 0; i < 5; i++) {
            m.add(new MenuItem("Some MenuItems"));
        }
        mb.add(m);
        f.setMenuBar(mb);
        f.setSize(450, 400);
        return f;
    }
}