90 lines
2.9 KiB
Java
90 lines
2.9 KiB
Java
/*
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* Copyright (c) 2024, Google LLC. 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 8340568
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* @summary Incorrect escaping of single quotes when pretty-printing character literals
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* @modules jdk.compiler/com.sun.tools.javac.api
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* jdk.compiler/com.sun.tools.javac.file
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* jdk.compiler/com.sun.tools.javac.tree
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* jdk.compiler/com.sun.tools.javac.util
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*/
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import com.sun.tools.javac.file.JavacFileManager;
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import com.sun.tools.javac.tree.Pretty;
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import com.sun.tools.javac.tree.TreeMaker;
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import com.sun.tools.javac.util.Context;
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import java.io.IOException;
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import java.io.StringWriter;
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public class PrettyCharLiteral {
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public static void main(String... args) throws Exception {
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new PrettyCharLiteral().run();
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}
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private final TreeMaker make;
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private PrettyCharLiteral() {
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Context ctx = new Context();
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JavacFileManager.preRegister(ctx);
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this.make = TreeMaker.instance(ctx);
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}
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void run() throws Exception {
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assertEquals(
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prettyPrintLiteral('\''),
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"""
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'\\''
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""".trim());
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assertEquals(
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prettyPrintLiteral('"'),
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"""
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'"'
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""".trim());
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assertEquals(
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prettyPrintLiteral("'"),
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"""
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"'"
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""".trim());
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assertEquals(
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prettyPrintLiteral("\""),
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"""
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"\\""
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""".trim());
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}
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private void assertEquals(String actual, String expected) {
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if (!actual.equals(expected)) {
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throw new AssertionError("expected: " + expected + ", actual: " + actual);
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}
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}
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private String prettyPrintLiteral(Object value) throws IOException {
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StringWriter sw = new StringWriter();
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new Pretty(sw, true).printExpr(make.Literal(value));
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return sw.toString();
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}
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}
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