124 lines
5.0 KiB
Java
124 lines
5.0 KiB
Java
/*
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* Copyright (c) 2016, 2022, 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 7071819 8221431 8239383 8273430 8291660
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* @summary tests Unicode Extended Grapheme support
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* @library /lib/testlibrary/java/lang
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* @modules java.base/jdk.internal.util.regex:+open
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* @run testng GraphemeTest
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*/
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import java.lang.invoke.MethodHandles;
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import java.lang.invoke.MethodType;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import jdk.internal.util.regex.Grapheme;
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import org.testng.annotations.BeforeClass;
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import org.testng.annotations.Test;
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import static org.testng.Assert.fail;
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import static org.testng.Assert.assertFalse;
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public class GraphemeTest {
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private static MethodHandles.Lookup lookup;
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@BeforeClass
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public static void setup() throws IllegalAccessException {
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lookup = MethodHandles.privateLookupIn(Grapheme.class, MethodHandles.lookup());
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}
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@Test
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public static void testGraphemeBreakProperty() throws Throwable {
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testProps(UCDFiles.GRAPHEME_BREAK_PROPERTY);
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}
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@Test
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public static void testEmojiData() throws Throwable {
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testProps(UCDFiles.EMOJI_DATA);
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}
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@Test
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public static void testExcludedSpacingMarks() throws Throwable {
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var mh = lookup.findStatic(
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Grapheme.class, "isExcludedSpacingMark", MethodType.methodType(boolean.class, int.class));
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assertFalse((boolean)mh.invokeExact(0x1065));
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assertFalse((boolean)mh.invokeExact(0x1066));
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}
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private static void testProps(Path path) throws Throwable {
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var mh = lookup.findStatic(
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Grapheme.class, "getType", MethodType.methodType(int.class, int.class));
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Files.lines(path)
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.map(ln -> ln.replaceFirst("#.*", ""))
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.filter(ln -> ln.length() != 0)
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.forEach(ln -> {
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String[] strs = ln.split("\\s+");
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int off = strs[0].indexOf("..");
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int cp0, cp1;
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String expected = strs[2];
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if (off != -1) {
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cp0 = Integer.parseInt(strs[0], 0, off, 16);
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cp1 = Integer.parseInt(strs[0], off + 2, strs[0].length(), 16);
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} else {
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cp0 = cp1 = Integer.parseInt(strs[0], 16);
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}
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for (int cp = cp0; cp <= cp1; cp++) {
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// Ignore Emoji* for now (only interested in Extended_Pictographic)
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if (expected.startsWith("Emoji")) {
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continue;
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}
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// NOTE:
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// #tr29 "plus a few General_Category = Spacing_Mark needed for
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// canonical equivalence."
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// For "extended grapheme clusters" support, there is no
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// need actually to diff "Extend" and "SpacingMark" given GB9, GB9a.
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try {
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if (!expected.equals(types[(int) mh.invokeExact(cp)])) {
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if ("Extend".equals(expected) &&
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"SpacingMark".equals(types[(int) mh.invokeExact(cp)]))
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System.out.printf("[%x] [%s][%d] -> [%s]%n",
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cp, expected, Character.getType(cp), types[(int) mh.invokeExact(cp)]);
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else
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fail(String.format(
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"cp=[%x], expected:[%s] result:[%s]%n",
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cp, expected, types[(int) mh.invokeExact(cp)]));
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}
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} catch (Throwable e) {
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throw new RuntimeException(e);
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}
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}
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});
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}
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private static final String[] types = {
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"Other", "CR", "LF", "Control", "Extend", "ZWJ", "Regional_Indicator",
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"Prepend", "SpacingMark",
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"L", "V", "T", "LV", "LVT",
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"Extended_Pictographic"};
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}
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