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8223967: Implement Text Blocks (Preview) in the Java compiler

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Reviewed-by: vromero, jlahoda, abuckley
This commit is contained in:
Jim Laskey 2019-06-06 12:24:44 -03:00
parent 9c6c6eae1d
commit 08e1ece107
14 changed files with 791 additions and 17 deletions
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105
test/langtools/tools/javac/TextBlockLang.java Normal file
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@ -0,0 +1,105 @@
/*
* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 8223967
* @summary Unit tests for Text Block language changes
* @compile --enable-preview -source ${jdk.version} -encoding utf8 TextBlockLang.java
* @run main/othervm --enable-preview TextBlockLang
*/
public class TextBlockLang {
public static void main(String... args) {
test1();
}
/*
* Test basic string functionality.
*/
static void test1() {
EQ("""
""", "");
EQ("""
abc
""", "abc\n");
EQ("""
""", "\n");
EQ("""
"
""", "\"\n");
EQ("""
""
""", "\"\"\n");
EQ("""
\"""
""", "\"\"\"\n");
EQ("""
"\""
""", "\"\"\"\n");
EQ("""
""\"
""", "\"\"\"\n");
EQ("""
\r
""", "\r\n");
EQ("""
\u2022
""", "\u2022\n");
EQ("""
•
""", "\u2022\n");
LENGTH("""
abc
""", 4);
}
/*
* Raise an exception if the string is not the expected length.
*/
static void LENGTH(String string, int length) {
if (string == null || string.length() != length) {
System.err.println("Failed LENGTH");
System.err.println(string + " " + length);
throw new RuntimeException("Failed LENGTH");
}
}
/*
* Raise an exception if the two input strings are not equal.
*/
static void EQ(String input, String expected) {
if (input == null || expected == null || !expected.equals(input)) {
System.err.println("Failed EQ");
System.err.println();
System.err.println("Input:");
System.err.println(input.replaceAll(" ", "."));
System.err.println();
System.err.println("Expected:");
System.err.println(expected.replaceAll(" ", "."));
throw new RuntimeException();
}
}
}