test/jdk/java/awt/List/MultiSelectionListHorizScrollbar.java

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/*
 * @test
 * @bug 4102881
 * @summary Ensure multiple selection Lists have horizontal scrollbars when necessary
 * @library /java/awt/regtesthelpers
 * @build PassFailJFrame
 * @run main/manual MultiSelectionListHorizScrollbar
*/

import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.List;

public class MultiSelectionListHorizScrollbar {

    private static final String INSTRUCTIONS = """
         Resize the frame so that the lists are not wide enough
         to fully display the lines of text they contain.
         Once the lists are in this state, press pass
         if both lists display an horizontal scrollbar. Otherwise press fail.""";

    public static void main(String[] args) throws Exception {
        PassFailJFrame.builder()
                .title("MultiSelectionListHorizScrollbar Instructions")
                .instructions(INSTRUCTIONS)
                .rows((int) INSTRUCTIONS.lines().count() + 2)
                .columns(35)
                .testUI(MultiSelectionListHorizScrollbar::createTestUI)
                .build()
                .awaitAndCheck();
    }

    private static Frame createTestUI() {
        Frame frame = new Frame("MultiSelectionListHorizScrollbar Frame");
        List singleList = new List(3);
        List multiList = new List(3, true);

        frame.setLayout(new GridLayout(1, 2));
        frame.add(singleList);
        frame.add(multiList);

        singleList.addItem("This is the 1st item in the list! Does it scroll horizontally??");
        singleList.addItem("This is the 2nd item in the list! Does it scroll horizontally??");
        singleList.addItem("This is the 4th item in the list! Does it scroll horizontally??");
        singleList.addItem("This is the 5th item in the list! Does it scroll horizontally??");
        singleList.addItem("This is the 6th item in the list! Does it scroll horizontally??");

        multiList.addItem("This is the 1st item in the list! Does it scroll horizontally??");
        multiList.addItem("This is the 2nd item in the list! Does it scroll horizontally??");
        multiList.addItem("This is the 4th item in the list! Does it scroll horizontally??");
        multiList.addItem("This is the 5th item in the list! Does it scroll horizontally??");
        multiList.addItem("This is the 6th item in the list! Does it scroll horizontally??");

        frame.pack();
        return frame;
    }
}