undefect. CWE-407 — 63 sites patched across 27 ecosystems
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
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371
test/jdk/java/util/regex/NamedGroupsTests.java
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371
test/jdk/java/util/regex/NamedGroupsTests.java
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/*
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* Copyright (c) 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 8065554 8309515
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* @run main NamedGroupsTests
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*/
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import java.util.Map;
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import java.util.regex.MatchResult;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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public class NamedGroupsTests {
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/* An implementation purposely not overriding any default method */
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private static class TestMatcherNoNamedGroups implements MatchResult {
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@Override
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public int start() {
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return 0;
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}
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@Override
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public int start(int group) {
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return 0;
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}
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@Override
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public int end() {
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return 0;
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}
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@Override
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public int end(int group) {
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return 0;
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}
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@Override
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public String group() {
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return null;
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}
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@Override
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public String group(int group) {
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return null;
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}
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@Override
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public int groupCount() {
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return 0;
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}
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}
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public static void main(String[] args) {
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testMatchResultNoDefault();
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testPatternNamedGroups();
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testMatcherNamedGroups();
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testMatchResultNamedGroups();
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testMatcherHasMatch();
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testMatchResultHasMatch();
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testMatchResultStartEndGroupBeforeMatchOp();
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testMatchResultStartEndGroupAfterMatchOp();
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testMatchAfterUsePattern();
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}
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private static void testMatchResultNoDefault() {
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TestMatcherNoNamedGroups m = new TestMatcherNoNamedGroups();
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try {
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m.hasMatch();
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} catch (UnsupportedOperationException e) { // swallowing intended
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}
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try {
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m.namedGroups();
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} catch (UnsupportedOperationException e) { // swallowing intended
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}
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try {
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m.start("anyName");
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} catch (UnsupportedOperationException e) { // swallowing intended
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}
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try {
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m.end("anyName");
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} catch (UnsupportedOperationException e) { // swallowing intended
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}
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try {
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m.group("anyName");
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} catch (UnsupportedOperationException e) { // swallowing intended
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}
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}
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private static void testMatchResultStartEndGroupBeforeMatchOp() {
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Matcher m = Pattern.compile("(?<some>.+?)(?<rest>.*)").matcher("abc");
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try {
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m.start("anyName");
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} catch (IllegalStateException e) { // swallowing intended
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}
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try {
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m.end("anyName");
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} catch (IllegalStateException e) { // swallowing intended
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}
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try {
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m.group("anyName");
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} catch (IllegalStateException e) { // swallowing intended
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}
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}
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private static void testMatchResultStartEndGroupAfterMatchOp() {
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testMatchResultStartEndGroupNoMatch();
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testMatchResultStartEndGroupWithMatch();
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testMatchResultStartEndGroupNoMatchNoSuchGroup();
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testMatchResultStartEndGroupWithMatchNoSuchGroup();
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}
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private static void testMatchResultStartEndGroupNoMatch() {
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Pattern.compile("(?<some>.+?)(?<rest>.*)").matcher("")
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.results()
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.forEach(r -> {
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if (r.start("some") >= 0) {
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throw new RuntimeException("start(\"some\")");
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}
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if (r.start("rest") >= 0) {
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throw new RuntimeException("start(\"rest\")");
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}
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if (r.end("some") >= 0) {
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throw new RuntimeException("end(\"some\")");
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}
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if (r.end("rest") >= 0) {
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throw new RuntimeException("end(\"rest\")");
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}
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if (r.group("some") != null) {
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throw new RuntimeException("group(\"some\")");
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}
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if (r.group("rest") != null) {
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throw new RuntimeException("group(\"rest\")");
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}
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});
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}
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private static void testMatchResultStartEndGroupWithMatch() {
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Pattern.compile("(?<some>.+?)(?<rest>.*)").matcher("abc")
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.results()
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.forEach(r -> {
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if (r.start("some") < 0) {
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throw new RuntimeException("start(\"some\")");
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}
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if (r.start("rest") < 0) {
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throw new RuntimeException("start(\"rest\")");
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}
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if (r.end("some") < 0) {
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throw new RuntimeException("end(\"some\")");
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}
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if (r.end("rest") < 0) {
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throw new RuntimeException("end(\"rest\")");
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}
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if (r.group("some") == null) {
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throw new RuntimeException("group(\"some\")");
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}
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if (r.group("rest") == null) {
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throw new RuntimeException("group(\"rest\")");
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}
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});
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}
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private static void testMatchResultStartEndGroupNoMatchNoSuchGroup() {
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Pattern.compile("(?<some>.+?)(?<rest>.*)").matcher("")
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.results()
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.forEach(r -> {
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try {
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r.start("noSuchGroup");
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} catch (IllegalArgumentException e) { // swallowing intended
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}
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try {
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r.end("noSuchGroup");
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} catch (IllegalArgumentException e) { // swallowing intended
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}
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try {
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r.group("noSuchGroup");
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} catch (IllegalArgumentException e) { // swallowing intended
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}
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});
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}
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private static void testMatchResultStartEndGroupWithMatchNoSuchGroup() {
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Pattern.compile("(?<some>.+?)(?<rest>.*)").matcher("abc")
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.results()
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.forEach(r -> {
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try {
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r.start("noSuchGroup");
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} catch (IllegalArgumentException e) { // swallowing intended
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}
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try {
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r.end("noSuchGroup");
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} catch (IllegalArgumentException e) { // swallowing intended
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}
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try {
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r.group("noSuchGroup");
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} catch (IllegalArgumentException e) { // swallowing intended
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}
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});
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}
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private static void testMatchResultHasMatch() {
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testMatchResultHasMatchNoMatch();
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testMatchResultHasMatchWithMatch();
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}
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private static void testMatchResultHasMatchNoMatch() {
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Matcher m = Pattern.compile(".+").matcher("");
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m.find();
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if (m.toMatchResult().hasMatch()) {
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throw new RuntimeException();
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}
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}
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private static void testMatchResultHasMatchWithMatch() {
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Matcher m = Pattern.compile(".+").matcher("abc");
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m.find();
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if (!m.toMatchResult().hasMatch()) {
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throw new RuntimeException();
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}
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}
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private static void testMatcherHasMatch() {
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testMatcherHasMatchNoMatch();
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testMatcherHasMatchWithMatch();
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}
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private static void testMatcherHasMatchNoMatch() {
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Matcher m = Pattern.compile(".+").matcher("");
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m.find();
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if (m.hasMatch()) {
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throw new RuntimeException();
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}
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}
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private static void testMatcherHasMatchWithMatch() {
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Matcher m = Pattern.compile(".+").matcher("abc");
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m.find();
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if (!m.hasMatch()) {
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throw new RuntimeException();
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}
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}
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private static void testMatchResultNamedGroups() {
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testMatchResultNamedGroupsNoNamedGroups();
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testMatchResultNamedGroupsOneNamedGroup();
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testMatchResultNamedGroupsTwoNamedGroups();
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}
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private static void testMatchResultNamedGroupsNoNamedGroups() {
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if (!Pattern.compile(".*").matcher("")
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.toMatchResult().namedGroups().isEmpty()) {
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throw new RuntimeException();
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}
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}
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private static void testMatchResultNamedGroupsOneNamedGroup() {
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if (!Pattern.compile("(?<all>.*)").matcher("")
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.toMatchResult().namedGroups()
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.equals(Map.of("all", 1))) {
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throw new RuntimeException();
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}
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}
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private static void testMatchResultNamedGroupsTwoNamedGroups() {
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if (!Pattern.compile("(?<some>.+?)(?<rest>.*)").matcher("")
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.toMatchResult().namedGroups()
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.equals(Map.of("some", 1, "rest", 2))) {
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throw new RuntimeException();
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}
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}
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private static void testMatcherNamedGroups() {
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testMatcherNamedGroupsNoNamedGroups();
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testMatcherNamedGroupsOneNamedGroup();
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testMatcherNamedGroupsTwoNamedGroups();
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}
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private static void testMatcherNamedGroupsNoNamedGroups() {
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if (!Pattern.compile(".*").matcher("").namedGroups().isEmpty()) {
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throw new RuntimeException();
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}
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}
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private static void testMatcherNamedGroupsOneNamedGroup() {
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if (!Pattern.compile("(?<all>.*)").matcher("").namedGroups()
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.equals(Map.of("all", 1))) {
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throw new RuntimeException();
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}
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}
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private static void testMatcherNamedGroupsTwoNamedGroups() {
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if (!Pattern.compile("(?<some>.+?)(?<rest>.*)").matcher("").namedGroups()
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.equals(Map.of("some", 1, "rest", 2))) {
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throw new RuntimeException();
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}
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}
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private static void testPatternNamedGroups() {
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testPatternNamedGroupsNoNamedGroups();
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testPatternNamedGroupsOneNamedGroup();
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testPatternNamedGroupsTwoNamedGroups();
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}
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private static void testPatternNamedGroupsNoNamedGroups() {
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if (!Pattern.compile(".*").namedGroups().isEmpty()) {
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throw new RuntimeException();
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}
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}
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private static void testPatternNamedGroupsOneNamedGroup() {
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if (!Pattern.compile("(?<all>.*)").namedGroups()
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.equals(Map.of("all", 1))) {
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throw new RuntimeException();
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}
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}
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private static void testPatternNamedGroupsTwoNamedGroups() {
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if (!Pattern.compile("(?<some>.+?)(?<rest>.*)").namedGroups()
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.equals(Map.of("some", 1, "rest", 2))) {
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throw new RuntimeException();
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}
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}
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private static void testMatchAfterUsePattern() {
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Pattern p1 = Pattern.compile("(?<a>...)(?<b>...)");
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Matcher m = p1.matcher("foobar");
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if (!m.matches()) {
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throw new RuntimeException("matches() expected");
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}
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if (!m.group("a").equals("foo")) {
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throw new RuntimeException("\"foo\" expected for group(\"a\")");
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}
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Pattern p2 = Pattern.compile("(?<b>...)(?<a>...)");
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m.usePattern(p2);
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if (!m.matches()) {
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throw new RuntimeException("matches() expected");
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}
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if (!m.group("a").equals("bar")) {
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throw new RuntimeException("\"bar\" expected for group(\"a\")");
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}
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}
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}
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