jdk8-mips64-public/langtools: test/tools/javac/literals/UnderscoreLiterals.java@69eaccd3ea85 (annotated)

test/tools/javac/literals/UnderscoreLiterals.java@69eaccd3ea85 (annotated)

test/tools/javac/literals/UnderscoreLiterals.java

Tue, 15 Sep 2009 18:36:21 -0700

author: jjg
date: Tue, 15 Sep 2009 18:36:21 -0700
changeset 409: 69eaccd3ea85
child 554: 9d9f26857129
permissions: -rw-r--r--

6860965: Project Coin: binary literals
6860973: Project Coin: Underscores in literals
Summary: [Portions contributed by Bruce Chapman]
Reviewed-by: darcy

 /*
  * Copyright 2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
  * CA 95054 USA or visit www.sun.com if you need additional information or
  * have any questions.
  */
 /*
  * @test
  * @bug 6860973
  * @summary Project Coin: Underscores in literals
  */
 public class UnderscoreLiterals {
     public static void main(String... args) throws Exception {
         new UnderscoreLiterals().run();
     }
     public void run() throws Exception {
         // decimal
         test(1, 1);
         test(10, 10);
         test(1_0, 10);
         test(1__0, 10);
         test(1_0_0, 100);
         test(1__0__0, 100);
         test(123_456_789, 123456789);
         // long
         test(1l, 1l);
         test(10l, 10l);
         test(1_0l, 10l);
         test(1__0l, 10l);
         test(1_0_0l, 100l);
         test(1__0__0l, 100l);
         test(123_456_789l, 123456789l);
         // float
         test(.1f, .1f);
         test(.10f, .10f);
         test(.1_0f, .10f);
         test(.1__0f, .10f);
         test(.1_0_0f, .100f);
         test(.1__0__0f, .100f);
         test(1e1, 1e1);
         test(1e10, 1e10);
         test(1e1_0, 1e10);
         test(1e1__0, 1e10);
         test(1e1_0_0, 1e100);
         test(1e1__0__0, 1e100);
         test(.123_456_789f, .123456789f);
         test(0.1f, 0.1f);
         test(0.10f, 0.10f);
         test(0.1_0f, 0.10f);
         test(0.1__0f, 0.10f);
         test(0.1_0_0f, 0.100f);
         test(0.1__0__0f, 0.100f);
         test(0.123_456_789f, 0.123456789f);
         test(1_1.1f, 1_1.1f);
         test(1_1.10f, 1_1.10f);
         test(1_1.1_0f, 1_1.10f);
         test(1_1.1__0f, 1_1.10f);
         test(1_1.1_0_0f, 1_1.100f);
         test(1_1.1__0__0f, 1_1.100f);
         test(1_1.123_456_789f, 1_1.123456789f);
         // double
         test(.1d, .1d);
         test(.10d, .10d);
         test(.1_0d, .10d);
         test(.1__0d, .10d);
         test(.1_0_0d, .100d);
         test(.1__0__0d, .100d);
         test(1e1, 1e1);
         test(1e10, 1e10);
         test(1e1_0, 1e10);
         test(1e1__0, 1e10);
         test(1e1_0_0, 1e100);
         test(1e1__0__0, 1e100);
         test(.123_456_789d, .123456789d);
         test(0.1d, 0.1d);
         test(0.10d, 0.10d);
         test(0.1_0d, 0.10d);
         test(0.1__0d, 0.10d);
         test(0.1_0_0d, 0.100d);
         test(0.1__0__0d, 0.100d);
         test(0.123_456_789d, 0.123456789d);
         test(1_1.1d, 1_1.1d);
         test(1_1.10d, 1_1.10d);
         test(1_1.1_0d, 1_1.10d);
         test(1_1.1__0d, 1_1.10d);
         test(1_1.1_0_0d, 1_1.100d);
         test(1_1.1__0__0d, 1_1.100d);
         test(1_1.123_456_789d, 1_1.123456789d);
         // binary
         test(0b1, 1);
         test(0b10, 2);
         test(0b1_0, 2);
         test(0b1__0, 2);
         test(0b1_0_0, 4);
         test(0b1__0__0, 4);
         test(0b0001_0010_0011, 0x123);
         // octal
         test(01, 1);
         test(010, 8);
         test(01_0, 8);
         test(01__0, 8);
         test(01_0_0, 64);
         test(01__0__0, 64);
         test(0_1, 1);
         test(0_10, 8);
         test(0_1_0, 8);
         test(0_1__0, 8);
         test(0_1_0_0, 64);
         test(0_1__0__0, 64);
         test(0_001_002_003, 01002003);
         // hexadecimal
         test(0x1, 1);
         test(0x10, 16);
         test(0x1_0, 16);
         test(0x1__0, 16);
         test(0x1_0_0, 256);
         test(0x1__0__0, 256);
         test(0x01_02_03_04, 0x1020304);
         // misc
         long creditCardNumber = 1234_5678_9012_3456L;
         test(creditCardNumber, 1234567890123456L);
         long socialSecurityNumbers = 999_99_9999L;
         test(socialSecurityNumbers, 999999999L);
         double monetaryAmount = 12_345_132.12d;
         test(monetaryAmount, 12345132.12d);
         long hexBytes = 0xFF_EC_DE_5E;
         test(hexBytes, 0xffecde5e);
         long hexWords = 0xFFEC_DE5E;
         test(hexWords, 0xffecde5e);
         long maxLong = 0x7fff_ffff_ffff_ffffL;
         test(maxLong, 0x7fffffffffffffffL);
         long maxLongDecimal = 9223372036854775807L;
         long alsoMaxLong = 9_223_372_036_854_775_807L;
         test(alsoMaxLong, maxLongDecimal);
         double whyWouldYouEverDoThis = 0x1.ffff_ffff_ffff_fp10_23;
         double whyWouldYouEverDoEvenThis = 0x1.fffffffffffffp1023;
         test(whyWouldYouEverDoThis, whyWouldYouEverDoEvenThis);
         if (errors > 0)
              throw new Exception(errors + " errors found");
     }
     void test(int value, int expect) {
         count++;
         if (value != expect)
             error("test " + count + "\nexpected: 0x" + Integer.toHexString(expect) + "\n   found: 0x" + Integer.toHexString(value));
     }
     void test(double value, double expect) {
         count++;
         if (value != expect)
             error("test " + count + "\nexpected: 0x" + expect + "\n   found: 0x" + value);
     }
     void test(long value, long expect) {
         count++;
         if (value != expect)
             error("test " + count + "\nexpected: 0x" + Long.toHexString(expect) + "\n   found: 0x" + Long.toHexString(value));
     }
     void error(String message) {
         System.out.println(message);
         errors++;
     }
     int count;
     int errors;
 }

Mercurial > jdk8-mips64-public > langtools / annotate

test/tools/javac/literals/UnderscoreLiterals.java@69eaccd3ea85 (annotated)

test/tools/javac/literals/UnderscoreLiterals.java