CoCalc -- bug4337267.java

GitHub Repository: PojavLauncherTeam/mobile
Path: blob/master/test/jdk/javax/swing/JComponent/4337267/bug4337267.java
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/*
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 * Copyright (c) 2009, 2017, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/**
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 * @test
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 * @key headful
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 * @bug 4337267
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 * @summary test that numeric shaping works in Swing components
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 * @author Sergey Groznyh
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 * @run main bug4337267
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 */
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import java.awt.Component;
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import java.awt.Dimension;
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import java.awt.Graphics;
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import java.awt.font.NumericShaper;
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import java.awt.font.TextAttribute;
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import java.awt.image.BufferedImage;
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import javax.swing.BoxLayout;
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import javax.swing.JComponent;
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import javax.swing.JFrame;
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import javax.swing.JLabel;
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import javax.swing.JPanel;
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import javax.swing.JTextArea;
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import javax.swing.SwingUtilities;
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public class bug4337267 {
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    TestJPanel p1, p2;
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    TestBufferedImage i1, i2;
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    JComponent[] printq;
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    static JFrame window;
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    static boolean testFailed = false;
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    String shaped =
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            "000 (E) 111 (A) \u0641\u0642\u0643 \u0662\u0662\u0662 (E) 333";
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    String text = "000 (E) 111 (A) \u0641\u0642\u0643 222 (E) 333";
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    void run() {
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        initUI();
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        testTextComponent();
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        testNonTextComponentHTML();
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        testNonTextComponentPlain();
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    }
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    void initUI() {
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        window = new JFrame("bug4337267");
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        window.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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        window.setSize(800, 600);
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        Component content = createContentPane();
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        window.add(content);
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        window.setVisible(true);
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    }
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    void fail(String message) {
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        testFailed = true;
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        throw new RuntimeException(message);
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    }
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    void assertEquals(Object o1, Object o2) {
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        if ((o1 == null) && (o2 != null)) {
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            fail("Expected null, got " + o2);
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        } else if ((o1 != null) && (o2 == null)) {
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            fail("Expected " + o1 + ", got null");
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        } else if (!o1.equals(o2)) {
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            fail("Expected " + o1 + ", got " + o2);
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        }
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    }
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    void testTextComponent() {
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        System.out.println("testTextComponent:");
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        JTextArea area1 = new JTextArea();
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        injectComponent(p1, area1, false);
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        area1.setText(shaped);
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        JTextArea area2 = new JTextArea();
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        injectComponent(p2, area2, true);
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        area2.setText(text);
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        window.repaint();
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        printq = new JComponent[] { area1, area2 };
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        printComponent(printq[0], i1);
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        printComponent(printq[1], i2);
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        assertEquals(p1.image, p2.image);
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        assertEquals(i1, i2);
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    }
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    void testNonTextComponentHTML() {
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        System.out.println("testNonTextComponentHTML:");
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        JLabel label1 = new JLabel();
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        injectComponent(p1, label1, false);
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        label1.setText("<html>" + shaped);
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        JLabel label2 = new JLabel();
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        injectComponent(p2, label2, true);
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        label2.setText("<html>" + text);
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        window.repaint();
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        printq = new JComponent[] { label1, label2 };
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        printComponent(printq[0], i1);
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        printComponent(printq[1], i2);
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        assertEquals(p1.image, p2.image);
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        assertEquals(i1, i2);
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    }
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    void testNonTextComponentPlain() {
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        System.out.println("testNonTextComponentPlain:");
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        JLabel label1 = new JLabel();
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        injectComponent(p1, label1, false);
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        label1.setText(shaped);
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        JLabel label2 = new JLabel();
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        injectComponent(p2, label2, true);
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        label2.setText(text);
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        window.repaint();
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        printq = new JComponent[] { label1, label2 };
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        printComponent(printq[0], i1);
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        printComponent(printq[1], i2);
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        assertEquals(p1.image, p2.image);
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        assertEquals(i1, i2);
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    }
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    void setShaping(JComponent c) {
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        c.putClientProperty(TextAttribute.NUMERIC_SHAPING,
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                    NumericShaper.getContextualShaper(NumericShaper.ARABIC));
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    }
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    void injectComponent(JComponent p, JComponent c, boolean shape) {
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        if (shape) {
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            setShaping(c);
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        }
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        p.removeAll();
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        p.add(c);
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    }
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    void printComponent(JComponent c, TestBufferedImage i) {
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        Graphics g = i.getGraphics();
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        g.setColor(c.getBackground());
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        g.fillRect(0, 0, i.getWidth(), i.getHeight());
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        c.print(g);
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    }
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    Component createContentPane() {
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        Dimension size = new Dimension(500, 100);
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        i1 = new TestBufferedImage(size.width, size.height,
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                                                BufferedImage.TYPE_INT_ARGB);
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        i2 = new TestBufferedImage(size.width, size.height,
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                                                BufferedImage.TYPE_INT_ARGB);
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        p1 = new TestJPanel();
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        p1.setPreferredSize(size);
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        p2 = new TestJPanel();
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        p2.setPreferredSize(size);
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        JPanel panel = new JPanel();
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        panel.setLayout(new BoxLayout(panel, BoxLayout.Y_AXIS));
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        panel.add(p1);
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        panel.add(p2);
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        return panel;
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    }
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    static class TestBufferedImage extends BufferedImage {
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        int MAX_GLITCHES = 0;
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        TestBufferedImage(int width, int height, int imageType) {
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            super(width, height, imageType);
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        }
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        @Override
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        public boolean equals(Object other) {
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            if (! (other instanceof TestBufferedImage)) {
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                return false;
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            }
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            TestBufferedImage image2 = (TestBufferedImage) other;
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            int width = getWidth();
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            int height = getHeight();
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            if ((image2.getWidth() != width) || (image2.getHeight() != height)) {
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                return false;
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            }
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            int glitches = 0;
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            for (int x = 0; x < width; x++) {
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                for (int y = 0; y < height; y++) {
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                    int rgb1 = getRGB(x, y);
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                    int rgb2 = image2.getRGB(x, y);
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                    if (rgb1 != rgb2) {
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                        //System.out.println(x+" "+y+" "+rgb1+" "+rgb2);
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                        glitches++;
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                    }
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                }
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            }
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            return glitches <= MAX_GLITCHES;
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        }
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    }
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    static class TestJPanel extends JPanel {
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        TestBufferedImage image = createImage(new Dimension(1, 1));
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        TestBufferedImage createImage(Dimension d) {
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            return new TestBufferedImage(d.width, d.height,
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                                                BufferedImage.TYPE_INT_ARGB);
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        }
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        public void setPreferredSize(Dimension size) {
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            super.setPreferredSize(size);
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            image = createImage(size);
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        }
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        public void paint(Graphics g) {
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            Graphics g0 = image.getGraphics();
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            super.paint(g0);
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            g.drawImage(image, 0, 0, this);
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        } }
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    public static void main(String[] args) throws Exception {
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        try {
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            final bug4337267 test = new bug4337267();
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            SwingUtilities.invokeAndWait(new Runnable() {
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                public void run() {
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                    test.run();
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                }
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            });
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            if (testFailed) {
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                throw new RuntimeException("FAIL");
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            }
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            System.out.println("OK");
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        } finally {
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            if (window != null) SwingUtilities.invokeAndWait(() -> window.dispose());
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        }
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    }
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}
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