1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/literals/UnderscoreLiterals.java Tue Sep 15 18:36:21 2009 -0700
1.3 @@ -0,0 +1,195 @@
1.4 +/*
1.5 + * Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.24 + * have any questions.
1.25 + */
1.26 +
1.27 +/*
1.28 + * @test
1.29 + * @bug 6860973
1.30 + * @summary Project Coin: Underscores in literals
1.31 + */
1.32 +
1.33 +
1.34 +public class UnderscoreLiterals {
1.35 + public static void main(String... args) throws Exception {
1.36 + new UnderscoreLiterals().run();
1.37 + }
1.38 +
1.39 + public void run() throws Exception {
1.40 + // decimal
1.41 + test(1, 1);
1.42 + test(10, 10);
1.43 + test(1_0, 10);
1.44 + test(1__0, 10);
1.45 + test(1_0_0, 100);
1.46 + test(1__0__0, 100);
1.47 + test(123_456_789, 123456789);
1.48 +
1.49 + // long
1.50 + test(1l, 1l);
1.51 + test(10l, 10l);
1.52 + test(1_0l, 10l);
1.53 + test(1__0l, 10l);
1.54 + test(1_0_0l, 100l);
1.55 + test(1__0__0l, 100l);
1.56 + test(123_456_789l, 123456789l);
1.57 +
1.58 + // float
1.59 + test(.1f, .1f);
1.60 + test(.10f, .10f);
1.61 + test(.1_0f, .10f);
1.62 + test(.1__0f, .10f);
1.63 + test(.1_0_0f, .100f);
1.64 + test(.1__0__0f, .100f);
1.65 + test(1e1, 1e1);
1.66 + test(1e10, 1e10);
1.67 + test(1e1_0, 1e10);
1.68 + test(1e1__0, 1e10);
1.69 + test(1e1_0_0, 1e100);
1.70 + test(1e1__0__0, 1e100);
1.71 + test(.123_456_789f, .123456789f);
1.72 + test(0.1f, 0.1f);
1.73 + test(0.10f, 0.10f);
1.74 + test(0.1_0f, 0.10f);
1.75 + test(0.1__0f, 0.10f);
1.76 + test(0.1_0_0f, 0.100f);
1.77 + test(0.1__0__0f, 0.100f);
1.78 + test(0.123_456_789f, 0.123456789f);
1.79 + test(1_1.1f, 1_1.1f);
1.80 + test(1_1.10f, 1_1.10f);
1.81 + test(1_1.1_0f, 1_1.10f);
1.82 + test(1_1.1__0f, 1_1.10f);
1.83 + test(1_1.1_0_0f, 1_1.100f);
1.84 + test(1_1.1__0__0f, 1_1.100f);
1.85 + test(1_1.123_456_789f, 1_1.123456789f);
1.86 +
1.87 + // double
1.88 + test(.1d, .1d);
1.89 + test(.10d, .10d);
1.90 + test(.1_0d, .10d);
1.91 + test(.1__0d, .10d);
1.92 + test(.1_0_0d, .100d);
1.93 + test(.1__0__0d, .100d);
1.94 + test(1e1, 1e1);
1.95 + test(1e10, 1e10);
1.96 + test(1e1_0, 1e10);
1.97 + test(1e1__0, 1e10);
1.98 + test(1e1_0_0, 1e100);
1.99 + test(1e1__0__0, 1e100);
1.100 + test(.123_456_789d, .123456789d);
1.101 + test(0.1d, 0.1d);
1.102 + test(0.10d, 0.10d);
1.103 + test(0.1_0d, 0.10d);
1.104 + test(0.1__0d, 0.10d);
1.105 + test(0.1_0_0d, 0.100d);
1.106 + test(0.1__0__0d, 0.100d);
1.107 + test(0.123_456_789d, 0.123456789d);
1.108 + test(1_1.1d, 1_1.1d);
1.109 + test(1_1.10d, 1_1.10d);
1.110 + test(1_1.1_0d, 1_1.10d);
1.111 + test(1_1.1__0d, 1_1.10d);
1.112 + test(1_1.1_0_0d, 1_1.100d);
1.113 + test(1_1.1__0__0d, 1_1.100d);
1.114 + test(1_1.123_456_789d, 1_1.123456789d);
1.115 +
1.116 + // binary
1.117 + test(0b1, 1);
1.118 + test(0b10, 2);
1.119 + test(0b1_0, 2);
1.120 + test(0b1__0, 2);
1.121 + test(0b1_0_0, 4);
1.122 + test(0b1__0__0, 4);
1.123 + test(0b0001_0010_0011, 0x123);
1.124 +
1.125 + // octal
1.126 + test(01, 1);
1.127 + test(010, 8);
1.128 + test(01_0, 8);
1.129 + test(01__0, 8);
1.130 + test(01_0_0, 64);
1.131 + test(01__0__0, 64);
1.132 + test(0_1, 1);
1.133 + test(0_10, 8);
1.134 + test(0_1_0, 8);
1.135 + test(0_1__0, 8);
1.136 + test(0_1_0_0, 64);
1.137 + test(0_1__0__0, 64);
1.138 + test(0_001_002_003, 01002003);
1.139 +
1.140 + // hexadecimal
1.141 + test(0x1, 1);
1.142 + test(0x10, 16);
1.143 + test(0x1_0, 16);
1.144 + test(0x1__0, 16);
1.145 + test(0x1_0_0, 256);
1.146 + test(0x1__0__0, 256);
1.147 + test(0x01_02_03_04, 0x1020304);
1.148 +
1.149 + // misc
1.150 + long creditCardNumber = 1234_5678_9012_3456L;
1.151 + test(creditCardNumber, 1234567890123456L);
1.152 + long socialSecurityNumbers = 999_99_9999L;
1.153 + test(socialSecurityNumbers, 999999999L);
1.154 + double monetaryAmount = 12_345_132.12d;
1.155 + test(monetaryAmount, 12345132.12d);
1.156 + long hexBytes = 0xFF_EC_DE_5E;
1.157 + test(hexBytes, 0xffecde5e);
1.158 + long hexWords = 0xFFEC_DE5E;
1.159 + test(hexWords, 0xffecde5e);
1.160 + long maxLong = 0x7fff_ffff_ffff_ffffL;
1.161 + test(maxLong, 0x7fffffffffffffffL);
1.162 + long maxLongDecimal = 9223372036854775807L;
1.163 + long alsoMaxLong = 9_223_372_036_854_775_807L;
1.164 + test(alsoMaxLong, maxLongDecimal);
1.165 + double whyWouldYouEverDoThis = 0x1.ffff_ffff_ffff_fp10_23;
1.166 + double whyWouldYouEverDoEvenThis = 0x1.fffffffffffffp1023;
1.167 + test(whyWouldYouEverDoThis, whyWouldYouEverDoEvenThis);
1.168 +
1.169 + if (errors > 0)
1.170 + throw new Exception(errors + " errors found");
1.171 + }
1.172 +
1.173 + void test(int value, int expect) {
1.174 + count++;
1.175 + if (value != expect)
1.176 + error("test " + count + "\nexpected: 0x" + Integer.toHexString(expect) + "\n found: 0x" + Integer.toHexString(value));
1.177 + }
1.178 +
1.179 + void test(double value, double expect) {
1.180 + count++;
1.181 + if (value != expect)
1.182 + error("test " + count + "\nexpected: 0x" + expect + "\n found: 0x" + value);
1.183 + }
1.184 +
1.185 + void test(long value, long expect) {
1.186 + count++;
1.187 + if (value != expect)
1.188 + error("test " + count + "\nexpected: 0x" + Long.toHexString(expect) + "\n found: 0x" + Long.toHexString(value));
1.189 + }
1.190 +
1.191 + void error(String message) {
1.192 + System.out.println(message);
1.193 + errors++;
1.194 + }
1.195 +
1.196 + int count;
1.197 + int errors;
1.198 +}
