jdk

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/*
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 * Copyright (c) 2019, 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 8223967
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 * @summary Unit tests for Text Block language changes
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 * @compile -encoding utf8 TextBlockLang.java
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 * @run main TextBlockLang
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 */
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public class TextBlockLang {
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    public static void main(String... args) {
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        test1();
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        test2();
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        test3();
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    }
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    /*
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     * Test basic string functionality.
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     */
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    static void test1() {
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        EQ("""
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           """, "");
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        EQ("""
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            abc
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            """, "abc\n");
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        EQ("""
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           """, "\n");
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        EQ("""
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            "
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            """, "\"\n");
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        EQ("""
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            ""
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            """, "\"\"\n");
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        EQ("""
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           \"""
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           """, "\"\"\"\n");
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        EQ("""
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           "\""
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           """, "\"\"\"\n");
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        EQ("""
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           ""\"
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           """, "\"\"\"\n");
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        EQ("""
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            \r
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            """, "\r\n");
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        EQ("""
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            \u2022
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            """, "\u2022\n");
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        EQ("""
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            •
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            """, "\u2022\n");
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        LENGTH("""
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            abc
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            """, 4);
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    }
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    /*
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     * Test escape-S.
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     */
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    static void test2() {
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        if ('\s' != ' ') {
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            throw new RuntimeException("Failed character escape-S");
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        }
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        EQ("\s", " ");
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        EQ("""
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           \s
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           """, " \n");
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    }
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    /*
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     * Test escape line terminator.
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     */
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    static void test3() {
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        EQ("""
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           abc \
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           """, "abc ");
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        EQ("\\\n".translateEscapes(), "");
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        EQ("\\\r\n".translateEscapes(), "");
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        EQ("\\\r".translateEscapes(), "");
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    }
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    /*
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     * Raise an exception if the string is not the expected length.
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     */
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    static void LENGTH(String string, int length) {
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        if (string == null || string.length() != length) {
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            System.err.println("Failed LENGTH");
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            System.err.println(string + " " + length);
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            throw new RuntimeException("Failed LENGTH");
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        }
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    }
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    /*
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     * Raise an exception if the two input strings are not equal.
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     */
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    static void EQ(String input, String expected) {
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        if (input == null || expected == null || !expected.equals(input)) {
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            System.err.println("Failed EQ");
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            System.err.println();
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            System.err.println("Input:");
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            System.err.println(input.replaceAll(" ", "."));
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            System.err.println();
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            System.err.println("Expected:");
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            System.err.println(expected.replaceAll(" ", "."));
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            throw new RuntimeException();
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        }
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    }
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}
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