test/tools/javac/literals/UnderscoreLiterals.java

Mon, 21 Jan 2013 20:13:56 +0000

author
mcimadamore
date
Mon, 21 Jan 2013 20:13:56 +0000
changeset 1510
7873d37f5b37
parent 554
9d9f26857129
child 1856
3b2e10524627
permissions
-rw-r--r--

8005244: Implement overload resolution as per latest spec EDR
Summary: Add support for stuck expressions and provisional applicability
Reviewed-by: jjg

     1 /*
     2  * Copyright (c) 2009, 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  */
    24 /*
    25  * @test
    26  * @bug 6860973
    27  * @summary Project Coin: Underscores in literals
    28  */
    31 public class UnderscoreLiterals {
    32     public static void main(String... args) throws Exception {
    33         new UnderscoreLiterals().run();
    34     }
    36     public void run() throws Exception {
    37         // decimal
    38         test(1, 1);
    39         test(10, 10);
    40         test(1_0, 10);
    41         test(1__0, 10);
    42         test(1_0_0, 100);
    43         test(1__0__0, 100);
    44         test(123_456_789, 123456789);
    46         // long
    47         test(1l, 1l);
    48         test(10l, 10l);
    49         test(1_0l, 10l);
    50         test(1__0l, 10l);
    51         test(1_0_0l, 100l);
    52         test(1__0__0l, 100l);
    53         test(123_456_789l, 123456789l);
    55         // float
    56         test(.1f, .1f);
    57         test(.10f, .10f);
    58         test(.1_0f, .10f);
    59         test(.1__0f, .10f);
    60         test(.1_0_0f, .100f);
    61         test(.1__0__0f, .100f);
    62         test(1e1, 1e1);
    63         test(1e10, 1e10);
    64         test(1e1_0, 1e10);
    65         test(1e1__0, 1e10);
    66         test(1e1_0_0, 1e100);
    67         test(1e1__0__0, 1e100);
    68         test(.123_456_789f, .123456789f);
    69         test(0.1f, 0.1f);
    70         test(0.10f, 0.10f);
    71         test(0.1_0f, 0.10f);
    72         test(0.1__0f, 0.10f);
    73         test(0.1_0_0f, 0.100f);
    74         test(0.1__0__0f, 0.100f);
    75         test(0.123_456_789f, 0.123456789f);
    76         test(1_1.1f, 1_1.1f);
    77         test(1_1.10f, 1_1.10f);
    78         test(1_1.1_0f, 1_1.10f);
    79         test(1_1.1__0f, 1_1.10f);
    80         test(1_1.1_0_0f, 1_1.100f);
    81         test(1_1.1__0__0f, 1_1.100f);
    82         test(1_1.123_456_789f, 1_1.123456789f);
    84         // double
    85         test(.1d, .1d);
    86         test(.10d, .10d);
    87         test(.1_0d, .10d);
    88         test(.1__0d, .10d);
    89         test(.1_0_0d, .100d);
    90         test(.1__0__0d, .100d);
    91         test(1e1, 1e1);
    92         test(1e10, 1e10);
    93         test(1e1_0, 1e10);
    94         test(1e1__0, 1e10);
    95         test(1e1_0_0, 1e100);
    96         test(1e1__0__0, 1e100);
    97         test(.123_456_789d, .123456789d);
    98         test(0.1d, 0.1d);
    99         test(0.10d, 0.10d);
   100         test(0.1_0d, 0.10d);
   101         test(0.1__0d, 0.10d);
   102         test(0.1_0_0d, 0.100d);
   103         test(0.1__0__0d, 0.100d);
   104         test(0.123_456_789d, 0.123456789d);
   105         test(1_1.1d, 1_1.1d);
   106         test(1_1.10d, 1_1.10d);
   107         test(1_1.1_0d, 1_1.10d);
   108         test(1_1.1__0d, 1_1.10d);
   109         test(1_1.1_0_0d, 1_1.100d);
   110         test(1_1.1__0__0d, 1_1.100d);
   111         test(1_1.123_456_789d, 1_1.123456789d);
   113         // binary
   114         test(0b1, 1);
   115         test(0b10, 2);
   116         test(0b1_0, 2);
   117         test(0b1__0, 2);
   118         test(0b1_0_0, 4);
   119         test(0b1__0__0, 4);
   120         test(0b0001_0010_0011, 0x123);
   122         // octal
   123         test(01, 1);
   124         test(010, 8);
   125         test(01_0, 8);
   126         test(01__0, 8);
   127         test(01_0_0, 64);
   128         test(01__0__0, 64);
   129         test(0_1, 1);
   130         test(0_10, 8);
   131         test(0_1_0, 8);
   132         test(0_1__0, 8);
   133         test(0_1_0_0, 64);
   134         test(0_1__0__0, 64);
   135         test(0_001_002_003, 01002003);
   137         // hexadecimal
   138         test(0x1, 1);
   139         test(0x10, 16);
   140         test(0x1_0, 16);
   141         test(0x1__0, 16);
   142         test(0x1_0_0, 256);
   143         test(0x1__0__0, 256);
   144         test(0x01_02_03_04, 0x1020304);
   146         // misc
   147         long creditCardNumber = 1234_5678_9012_3456L;
   148         test(creditCardNumber, 1234567890123456L);
   149         long socialSecurityNumbers = 999_99_9999L;
   150         test(socialSecurityNumbers, 999999999L);
   151         double monetaryAmount = 12_345_132.12d;
   152         test(monetaryAmount, 12345132.12d);
   153         long hexBytes = 0xFF_EC_DE_5E;
   154         test(hexBytes, 0xffecde5e);
   155         long hexWords = 0xFFEC_DE5E;
   156         test(hexWords, 0xffecde5e);
   157         long maxLong = 0x7fff_ffff_ffff_ffffL;
   158         test(maxLong, 0x7fffffffffffffffL);
   159         long maxLongDecimal = 9223372036854775807L;
   160         long alsoMaxLong = 9_223_372_036_854_775_807L;
   161         test(alsoMaxLong, maxLongDecimal);
   162         double whyWouldYouEverDoThis = 0x1.ffff_ffff_ffff_fp10_23;
   163         double whyWouldYouEverDoEvenThis = 0x1.fffffffffffffp1023;
   164         test(whyWouldYouEverDoThis, whyWouldYouEverDoEvenThis);
   166         if (errors > 0)
   167              throw new Exception(errors + " errors found");
   168     }
   170     void test(int value, int expect) {
   171         count++;
   172         if (value != expect)
   173             error("test " + count + "\nexpected: 0x" + Integer.toHexString(expect) + "\n   found: 0x" + Integer.toHexString(value));
   174     }
   176     void test(double value, double expect) {
   177         count++;
   178         if (value != expect)
   179             error("test " + count + "\nexpected: 0x" + expect + "\n   found: 0x" + value);
   180     }
   182     void test(long value, long expect) {
   183         count++;
   184         if (value != expect)
   185             error("test " + count + "\nexpected: 0x" + Long.toHexString(expect) + "\n   found: 0x" + Long.toHexString(value));
   186     }
   188     void error(String message) {
   189         System.out.println(message);
   190         errors++;
   191     }
   193     int count;
   194     int errors;
   195 }

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