test/jdk/javax/swing/JButton/TestGlyphBreak.java
author goetz
Tue, 21 Nov 2017 17:39:04 +0100
changeset 48063 50d61f4b5d1a
parent 47969 a9854da9252d
permissions -rw-r--r--
8191678: [TESTBUG] Add keyword headful in java/awt and javax tests. Summary: Also fix some NPE thrown if run headless. Reviewed-by: serb
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/*
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 * Copyright (c) 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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 * @bug 8191428
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 * @summary  Verifies if text view is not borken into multiple lines
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 * @key headful
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 * @run main/othervm -Dsun.java2d.uiScale=1.2 TestGlyphBreak
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 */
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import java.awt.FontMetrics;
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import javax.swing.JButton;
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import javax.swing.JFrame;
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import javax.swing.SwingUtilities;
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public class TestGlyphBreak {
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    static JFrame f;
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    static int btnHeight;
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    static FontMetrics fm;
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    public static void main(String[] args) throws Exception {
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        SwingUtilities.invokeAndWait(() -> {
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            String str = "<html><font size=2 color=red><bold>Three!</font></html>";
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            JButton b = new JButton();
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            b.setText(str);
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            f = new JFrame();
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            f.add(b);
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            f.pack();
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            f.setVisible(true);
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            btnHeight = b.getHeight();
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            fm = b.getFontMetrics(b.getFont());
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        });
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        try {
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            Thread.sleep(2000);
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        } catch (InterruptedException ex) {
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        }
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        SwingUtilities.invokeAndWait(() -> f.dispose());
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        System.out.println("metrics getHeight " + fm.getHeight() +
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                             " button height " + btnHeight);
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        // Check if text is broken into 2 lines, in which case button height
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        // will be twice the string height
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        if (btnHeight > 2*fm.getHeight()) {
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            throw new RuntimeException("TextView is broken into different lines");
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        }
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    }
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}