122 lines
4.7 KiB
Java
122 lines
4.7 KiB
Java
/*
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* Copyright (c) 2020, 2023, 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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import java.awt.Dialog;
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import java.awt.Dimension;
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import java.awt.Frame;
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import java.awt.Window;
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import java.util.List;
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import java.util.concurrent.TimeUnit;
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import jdk.test.lib.Platform;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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/**
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* @test
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* @bug 8221823
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* @key headful
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* @summary Verifies TOP level component's minimumSize using different DPI
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* @library /test/lib
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* @run main/othervm -Dsun.java2d.uiScale=1 MinimumSizeDPIVariation
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*/
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public final class MinimumSizeDPIVariation {
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public static void main(String[] args) throws Exception {
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if (args.length == 0) {
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Dimension minimumSize = test(new Frame());
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checkAllDPI("frame", minimumSize.width, minimumSize.height);
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minimumSize = test(new Window(null));
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checkAllDPI("window", minimumSize.width, minimumSize.height);
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minimumSize = test(new Dialog((Frame) null));
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checkAllDPI("dialog", minimumSize.width, minimumSize.height);
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} else {
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String comp = args[0];
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int w = Integer.parseInt(args[1]);
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int h = Integer.parseInt(args[2]);
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double scale = Double.parseDouble(args[3]);
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System.err.println("comp = " + comp);
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System.err.println("scale = " + scale);
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Dimension minimumSize = switch (comp) {
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case "frame" -> test(new Frame());
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case "window" -> test(new Window(null));
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case "dialog" -> test(new Dialog((Frame) null));
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default -> throw new java.lang.IllegalStateException(
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"Unexpected value: " + comp);
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};
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check(minimumSize.width, Math.max(w / scale, 1));
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check(minimumSize.height, Math.max(h / scale, 1));
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}
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}
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private static Dimension test(Window window) {
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try {
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window.setLayout(null); // trigger use the minimum size of the peer
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window.setSize(new Dimension(1, 1));
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window.pack();
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Dimension minimumSize = window.getMinimumSize();
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Dimension size = window.getSize();
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if (!minimumSize.equals(size)) {
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System.err.println(window);
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System.err.println("Expected: " + minimumSize);
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System.err.println("Actual: " + size);
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throw new RuntimeException("Wrong size");
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}
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return minimumSize;
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} finally {
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window.dispose();
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}
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}
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private static void check(int actual, double expected) {
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double i = 100 * (actual - expected) / expected;
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if (Math.abs(i) > 10) { // no more than 10% variation
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System.err.println("Expected: " + expected);
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System.err.println("Actual: " + actual);
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throw new RuntimeException("Difference is too big: " + i);
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}
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}
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private static void checkAllDPI(String comp, int w, int h)
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throws Exception {
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if (!Platform.isOSX()) {
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for (String dpi : List.of("1.5", "1.75", "2", "2.5")) {
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runProcess(dpi, comp, w, h);
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}
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}
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}
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private static void runProcess(String dpi, String comp, int w, int h)
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throws Exception {
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(
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"-Dsun.java2d.uiScale=" + dpi,
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MinimumSizeDPIVariation.class.getSimpleName(), comp,
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String.valueOf(w), String.valueOf(h), dpi);
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Process worker = ProcessTools.startProcess("Worker", pb, null, 20,
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TimeUnit.SECONDS);
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new OutputAnalyzer(worker).shouldHaveExitValue(0);
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}
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}
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