diff -r 9dd34ed62341 -r 69eaccd3ea85 test/tools/javac/literals/UnderscoreLiterals.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/tools/javac/literals/UnderscoreLiterals.java Tue Sep 15 18:36:21 2009 -0700 @@ -0,0 +1,195 @@ +/* + * 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; +}