1 /*

     2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 /*

    25  * @test

    26  * @summary Unit tests for Raw String Literal language changes

    27  * @compile --enable-preview -source 12 -encoding utf8 RawStringLiteralLang.java

    28  * @run main/othervm --enable-preview RawStringLiteralLang

    29  */

    30 

    31 public class RawStringLiteralLang {

    32     public static void main(String... args) {

    33         test1();

    34         test2();

    35     }

    36 

    37     /*

    38      * Test raw string functionality.

    39      */

    40     static void test1() {

    41         EQ(`abc`, "abc");

    42         EQ(`can't`, "can\'t");

    43         EQ(``can`t``, "can`t");

    44         EQ(`can\\'t`, "can\\\\'t");

    45         EQ(``can\\`t``, "can\\\\`t");

    46         EQ(`\t`, "\\t");

    47         EQ(`•`, "\u2022");

    48 

    49         LENGTH("abc``def", 8);

    50         EQ("abc`\u0020`def", "abc` `def");

    51     }

    52 

    53     /*

    54      * Test multi-line string functionality.

    55      */

    56     static void test2() {

    57         EQ(`abc

    58 def

    59 ghi`, "abc\ndef\nghi");

    60         EQ(`abc

    61 def

    62 ghi

    63 `, "abc\ndef\nghi\n");

    64         EQ(`

    65 abc

    66 def

    67 ghi`, "\nabc\ndef\nghi");

    68         EQ(`

    69 abc

    70 def

    71 ghi

    72 `, "\nabc\ndef\nghi\n");

    73     }

    74 

    75     /*

    76      * Raise an exception if the string is not the expected length.

    77      */

    78     static void LENGTH(String rawString, int length) {

    79         if (rawString == null || rawString.length() != length) {

    80             System.err.println("Failed LENGTH");

    81             System.err.println(rawString + " " + length);

    82             throw new RuntimeException("Failed LENGTH");

    83         }

    84     }

    85 

    86     /*

    87      * Raise an exception if the two input strings are not equal.

    88      */

    89     static void EQ(String input, String expected) {

    90         if (input == null || expected == null || !expected.equals(input)) {

    91             System.err.println("Failed EQ");

    92             System.err.println();

    93             System.err.println("Input:");

    94             System.err.println(input.replaceAll(" ", "."));

    95             System.err.println();

    96             System.err.println("Expected:");

    97             System.err.println(expected.replaceAll(" ", "."));

    98             throw new RuntimeException();

    99         }

   100     }

   101 }