| /******************************************************************************* |
| * Copyright (c) 2000, 2009 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.ui.tests.preferences; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.jobs.Job; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jface.preference.PreferenceConverter; |
| import org.eclipse.jface.resource.FontRegistry; |
| import org.eclipse.jface.resource.JFaceResources; |
| import org.eclipse.jface.util.ILogger; |
| import org.eclipse.jface.util.Policy; |
| import org.eclipse.swt.graphics.Font; |
| import org.eclipse.swt.graphics.FontData; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.internal.WorkbenchPlugin; |
| import org.eclipse.ui.plugin.AbstractUIPlugin; |
| import org.eclipse.ui.tests.harness.util.UITestCase; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** |
| * The FontPreferenceTestCase tests adding fonts to |
| * the preference store and what occurs if the values |
| * are bogus |
| */ |
| |
| @RunWith(JUnit4.class) |
| public class FontPreferenceTestCase extends UITestCase { |
| |
| public String BAD_FONT_DEFINITION = "BadFont-regular-10"; |
| |
| public String TEST_FONT_ID = "org.eclipse.jface.tests.preference.testfont"; |
| |
| public String MISSING_FONT_ID = "org.eclipse.jface.tests.preference.missingfont"; |
| |
| private IPreferenceStore preferenceStore; |
| |
| /** |
| * Constructor for FontPreferenceTestCase. |
| */ |
| public FontPreferenceTestCase() { |
| super(FontPreferenceTestCase.class.getSimpleName()); |
| } |
| |
| @Override |
| protected void doSetUp() throws Exception { |
| super.doSetUp(); |
| AbstractUIPlugin plugin = WorkbenchPlugin.getDefault(); |
| preferenceStore = plugin.getPreferenceStore(); |
| |
| //Set up the bogus entry for the bad first test |
| FontData bogusData = new FontData(); |
| bogusData.setName("BadData"); |
| bogusData.setHeight(11); |
| FontData[] storedValue = new FontData[2]; |
| |
| //We assume here that the text font is OK |
| storedValue[0] = bogusData; |
| storedValue[1] = (PreferenceConverter.getDefaultFontDataArray( |
| preferenceStore, JFaceResources.TEXT_FONT))[0]; |
| PreferenceConverter |
| .setValue(preferenceStore, TEST_FONT_ID, storedValue); |
| PreferenceConverter.setDefault(preferenceStore, TEST_FONT_ID, |
| storedValue); |
| |
| } |
| |
| /** |
| * Test for a valid font like the test font. The first good one |
| * we should find should be the first one in the list. |
| */ |
| |
| @Test |
| public void testGoodFontDefinition() { |
| |
| FontRegistry fontRegistry = JFaceResources.getFontRegistry(); |
| FontData[] currentTextFonts = PreferenceConverter.getFontDataArray( |
| preferenceStore, JFaceResources.TEXT_FONT); |
| FontData[] bestFont = fontRegistry.bestDataArray(currentTextFonts, |
| Display.getCurrent()); |
| |
| //Assert that it is the first font that we get as the |
| //valid one |
| assertEquals(bestFont[0].getName(), currentTextFonts[0].getName()); |
| assertEquals(bestFont[0].getHeight(), currentTextFonts[0].getHeight()); |
| } |
| |
| /** |
| * Test that if the first font in the list is bad that the |
| * second one comes back as valid. |
| */ |
| |
| @Test |
| public void testBadFirstFontDefinition() { |
| |
| FontRegistry fontRegistry = JFaceResources.getFontRegistry(); |
| FontData[] currentTestFonts = PreferenceConverter.getFontDataArray( |
| preferenceStore, TEST_FONT_ID); |
| FontData[] bestFont = fontRegistry.filterData(currentTestFonts, |
| Display.getCurrent()); |
| |
| //Assert that it is the second font that we get as the |
| //valid one |
| assertEquals(bestFont[0].getName(), currentTestFonts[1].getName()); |
| assertEquals(bestFont[0].getHeight(), currentTestFonts[1].getHeight()); |
| } |
| |
| /** |
| * Test that the no valid font is returned when the entry |
| * is missing. |
| */ |
| |
| @Test |
| public void testNoFontDefinition() { |
| |
| FontRegistry fontRegistry = JFaceResources.getFontRegistry(); |
| FontData[] currentTestFonts = PreferenceConverter.getFontDataArray( |
| preferenceStore, MISSING_FONT_ID); |
| FontData[] bestFont = fontRegistry.filterData(currentTestFonts, |
| Display.getCurrent()); |
| |
| FontData[] systemFontData = Display.getCurrent().getSystemFont() |
| .getFontData(); |
| |
| //Assert that the first font is the system font |
| assertEquals(bestFont[0].getName(), systemFontData[0].getName()); |
| assertEquals(bestFont[0].getHeight(), systemFontData[0].getHeight()); |
| } |
| |
| /** |
| * The test added to assess results of accessing FontRegistry from a non-UI |
| * thread. See bug 230360. |
| */ |
| @Test |
| public void testNonUIThreadFontAccess() { |
| // create a separate font registry to avoid contaminating other tests |
| final FontRegistry fontRegistry = new FontRegistry("org.eclipse.jface.resource.jfacefonts"); //$NON-NLS-1$ |
| // pre-calculate the default font; calling it in worker thread will only cause SWTException |
| Font defaultFont = fontRegistry.defaultFont(); |
| defaultFont.toString(); // avoids compiler warning |
| |
| // redirect logging so that we catch the error log |
| final boolean[] errorLogged = new boolean[] { false }; |
| ILogger logger = Policy.getLog(); |
| try { |
| Policy.setLog(status -> { |
| if (status != null && status.getSeverity() == IStatus.ERROR && status.getPlugin().equals(Policy.JFACE)) { |
| errorLogged[0] = true; |
| } |
| } ); |
| |
| |
| Job job = new Job("Non-UI thread FontRegistry Access Test") { |
| @Override |
| protected IStatus run(IProgressMonitor monitor) { |
| // this should produce no exception, but should log a error |
| boolean created = checkFont(fontRegistry); |
| assertFalse(created); |
| return Status.OK_STATUS; |
| } |
| }; |
| job.schedule(); |
| job.join(); |
| assertTrue(errorLogged[0]); |
| } catch (InterruptedException e) { |
| fail("Worker thread was interrupted in the FontRegistry access test"); |
| } finally { |
| Policy.setLog(logger); |
| } |
| |
| // now let's try to create the same font in the UI thread and check that the correct |
| boolean created = checkFont(fontRegistry); |
| assertTrue(created); |
| } |
| |
| public boolean checkFont(final FontRegistry fontRegistry) { |
| // Create a font description that will use default font with height increased by 20 |
| FontData[] data = fontRegistry.defaultFont().getFontData(); |
| int defaultHeight = data[0].getHeight(); |
| int testHeight = defaultHeight + 20; |
| data[0].setHeight(testHeight); |
| fontRegistry.put("testFont", data); |
| |
| // Get the font from the registry |
| Font testFont = fontRegistry.get("testFont"); // getItalic("testFont"); |
| |
| // Check the font size |
| FontData[] receivedData = testFont.getFontData(); |
| int receivedHeight = receivedData[0].getHeight(); |
| // giving a bit leeway to the OS: the size might not match exactly |
| // so test size not being the default rather then being exactly the testHeight |
| return (receivedHeight != defaultHeight); |
| } |
| |
| } |