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 }