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- /*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
- /* $Id$ */
-
- package org.apache.fop.fonts;
-
- import java.io.PrintStream;
- import java.util.concurrent.ExecutorService;
- import java.util.concurrent.Executors;
- import java.util.concurrent.TimeUnit;
-
- import org.junit.Before;
- import org.junit.Test;
- import org.mockito.invocation.InvocationOnMock;
- import org.mockito.stubbing.Answer;
-
- import static org.junit.Assert.assertEquals;
- import static org.mockito.ArgumentMatchers.anyInt;
- import static org.mockito.ArgumentMatchers.eq;
- import static org.mockito.Mockito.mock;
- import static org.mockito.Mockito.when;
-
- import org.apache.commons.io.output.NullPrintStream;
-
- import org.apache.fop.datatypes.PercentBaseContext;
- import org.apache.fop.fo.Constants;
- import org.apache.fop.fo.FOEventHandler;
- import org.apache.fop.fo.FOText;
- import org.apache.fop.fo.PropertyList;
- import org.apache.fop.fo.StaticPropertyList;
- import org.apache.fop.fo.expr.PropertyException;
- import org.apache.fop.fo.pagination.Root;
- import org.apache.fop.fo.properties.CommonFont;
- import org.apache.fop.fo.properties.EnumProperty;
- import org.apache.fop.fo.properties.FixedLength;
- import org.apache.fop.fo.properties.FontFamilyProperty;
- import org.apache.fop.fo.properties.NumberProperty;
- import org.apache.fop.fo.properties.Property;
-
- public class FontSelectorTestCase {
-
- private static final FontTriplet LATIN_FONT_TRIPLET = new FontTriplet("Verdana", "normal", 400);
- private static final FontTriplet EMOJI_FONT_TRIPLET = new FontTriplet("Emoji", "normal", 400);
-
- private FOText foText;
- private PercentBaseContext context;
- private Font latinFont;
- private Font emojiFont;
-
- @Before
- public void setUp() throws Exception {
- FontTriplet[] fontState = new FontTriplet[] { LATIN_FONT_TRIPLET, EMOJI_FONT_TRIPLET };
-
- foText = mock(FOText.class);
- context = mock(PercentBaseContext.class);
- FOEventHandler eventHandler = mock(FOEventHandler.class);
- FontInfo fontInfo = mock(FontInfo.class);
- CommonFont commonFont = makeCommonFont();
- latinFont = mock(Font.class, "Latin Font");
- emojiFont = mock(Font.class, "Emoji Font");
-
- when(eventHandler.getFontInfo()).thenReturn(fontInfo);
- when(foText.getFOEventHandler()).thenReturn(eventHandler);
- when(foText.getCommonFont()).thenReturn(commonFont);
- when(commonFont.getFontState(fontInfo)).thenReturn(fontState);
- when(fontInfo.getFontInstance(eq(LATIN_FONT_TRIPLET), anyInt())).thenReturn(latinFont);
- when(fontInfo.getFontInstance(eq(EMOJI_FONT_TRIPLET), anyInt())).thenReturn(emojiFont);
- when(latinFont.hasCodePoint(anyInt())).thenAnswer(new LatinFontAnswer());
- when(emojiFont.hasCodePoint(anyInt())).thenAnswer(new EmojiFontAnswer());
- }
-
- @Test
- public void selectFontForCharactersInText() throws Exception {
- String latinText = "Hello FontSelector";
- String emojiText = "\uD83D\uDE48\uD83D\uDE49\uD83D\uDE4A";
- String mixedText = latinText + emojiText;
-
-
- Font f = FontSelector.selectFontForCharactersInText(latinText, 0, latinText.length(), foText, context);
- assertEquals(latinFont, f);
-
- f = FontSelector.selectFontForCharactersInText(emojiText, 0, emojiText.length(), foText, context);
- assertEquals(emojiFont, f);
-
- // When the text is mixed the font that can cover most chars should be returned
- f = FontSelector.selectFontForCharactersInText(mixedText, 0, mixedText.length(), foText, context);
- assertEquals(latinFont, f);
-
- f = FontSelector.selectFontForCharactersInText(mixedText, latinText.length() - 1, mixedText.length(), foText,
- context);
- assertEquals(emojiFont, f);
- }
-
- private static class LatinFontAnswer implements Answer<Boolean> {
-
- @Override
- public Boolean answer(InvocationOnMock invocation) throws Throwable {
- int codepoint = (Integer) invocation.getArguments()[0];
- return codepoint <= 0xFFFF;
- }
- }
-
- private static class EmojiFontAnswer implements Answer<Boolean> {
-
- @Override
- public Boolean answer(InvocationOnMock invocation) throws Throwable {
- int codepoint = (Integer) invocation.getArguments()[0];
- return codepoint > 0xFFFF;
- }
- }
-
- private CommonFont makeCommonFont() throws PropertyException {
- PropertyList pList = mock(PropertyList.class);
-
- String fontFamilyVal = LATIN_FONT_TRIPLET.getName() + "," + EMOJI_FONT_TRIPLET.getName();
- Property fontFamilyProp = new FontFamilyProperty.Maker(Constants.PR_FONT_FAMILY).make(pList, fontFamilyVal,
- null);
- Property fontWeightProp = EnumProperty.getInstance(Constants.PR_FONT_WEIGHT, "400");
- Property fontStyle = EnumProperty.getInstance(Constants.PR_FONT_STYLE, "normal");
- Property fontSizeAdjustProp = NumberProperty.getInstance(1);
- Property fontSizeProp = FixedLength.getInstance(12);
-
- when(pList.get(Constants.PR_FONT_FAMILY)).thenReturn(fontFamilyProp);
- when(pList.get(Constants.PR_FONT_WEIGHT)).thenReturn(fontWeightProp);
- when(pList.get(Constants.PR_FONT_STYLE)).thenReturn(fontStyle);
- when(pList.get(Constants.PR_FONT_SIZE_ADJUST)).thenReturn(fontSizeAdjustProp);
- when(pList.get(Constants.PR_FONT_SIZE)).thenReturn(fontSizeProp);
-
- return CommonFont.getInstance(pList);
- }
-
-
- @Test
- public void testFontCacheWithThreads() throws Exception {
- PrintStream old = System.err;
- System.setErr(new NullPrintStream());
- ExecutorService executor = Executors.newFixedThreadPool(10);
- for (int i = 0; i < 100000; i++) {
- executor.submit(new FontTask());
- }
- executor.shutdown();
- executor.awaitTermination(1, TimeUnit.DAYS);
- System.setErr(old);
- }
-
- static class FontTask implements Runnable {
- public void run() {
- try {
- Root r = new Root(null);
- StaticPropertyList pList = new StaticPropertyList(r, null);
- Property x = new FontFamilyProperty.Maker(Constants.PR_FONT_FAMILY).make(pList, "a-963191172", null);
- pList.putExplicit(Constants.PR_FONT_FAMILY, x);
- CommonFont.getInstance(pList);
- x = new FontFamilyProperty.Maker(Constants.PR_FONT_FAMILY).make(pList, "a385863058", null);
- pList.putExplicit(Constants.PR_FONT_FAMILY, x);
- CommonFont.getInstance(pList);
- } catch (Exception e) {
- throw new RuntimeException(e);
- }
- }
- }
- }
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