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test/tools/javac/literals/UnderscoreLiterals.java@3b2e10524627 (annotated)

test/tools/javac/literals/UnderscoreLiterals.java

Wed, 26 Jun 2013 18:03:58 -0700

author

jjg

date

Wed, 26 Jun 2013 18:03:58 -0700

changeset 1856

3b2e10524627

parent 554

9d9f26857129

child 2525

2eb010b6cb22

permissions

-rw-r--r--

8014137: Update test/tools/javac/literals/UnderscoreLiterals to add testcases with min/max values
Reviewed-by: jjg, darcy
Contributed-by: matherey.nunez@oracle.com

jjg@409	1	/*
jjg@1856	2	* Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
jjg@409	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jjg@409	4	*
jjg@409	5	* This code is free software; you can redistribute it and/or modify it
jjg@409	6	* under the terms of the GNU General Public License version 2 only, as
jjg@409	7	* published by the Free Software Foundation.
jjg@409	8	*
jjg@409	9	* This code is distributed in the hope that it will be useful, but WITHOUT
jjg@409	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jjg@409	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
jjg@409	12	* version 2 for more details (a copy is included in the LICENSE file that
jjg@409	13	* accompanied this code).
jjg@409	14	*
jjg@409	15	* You should have received a copy of the GNU General Public License version
jjg@409	16	* 2 along with this work; if not, write to the Free Software Foundation,
jjg@409	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jjg@409	18	*
ohair@554	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ohair@554	20	* or visit www.oracle.com if you need additional information or have any
ohair@554	21	* questions.
jjg@409	22	*/
jjg@409	23
jjg@409	24	/*
jjg@409	25	* @test
jjg@409	26	* @bug 6860973
jjg@409	27	* @summary Project Coin: Underscores in literals
jjg@409	28	*/
jjg@409	29
jjg@409	30
jjg@409	31	public class UnderscoreLiterals {
jjg@409	32	public static void main(String... args) throws Exception {
jjg@409	33	new UnderscoreLiterals().run();
jjg@409	34	}
jjg@409	35
jjg@409	36	public void run() throws Exception {
jjg@409	37	// decimal
jjg@409	38	test(1, 1);
jjg@409	39	test(10, 10);
jjg@409	40	test(1_0, 10);
jjg@409	41	test(1__0, 10);
jjg@409	42	test(1_0_0, 100);
jjg@409	43	test(1__0__0, 100);
jjg@409	44	test(123_456_789, 123456789);
jjg@1856	45	test(2_147_483_647, Integer.MAX_VALUE);
jjg@1856	46	test(-2_147_483_648, Integer.MIN_VALUE);
jjg@1856	47	test(32_767, Short.MAX_VALUE);
jjg@1856	48	test(-32_768, Short.MIN_VALUE);
jjg@1856	49	test(1_2_7, Byte.MAX_VALUE);
jjg@1856	50	test(-1_2_8, Byte.MIN_VALUE);
jjg@409	51
jjg@409	52	// long
jjg@409	53	test(1l, 1l);
jjg@409	54	test(10l, 10l);
jjg@409	55	test(1_0l, 10l);
jjg@409	56	test(1__0l, 10l);
jjg@409	57	test(1_0_0l, 100l);
jjg@409	58	test(1__0__0l, 100l);
jjg@409	59	test(123_456_789l, 123456789l);
jjg@1856	60	test(9_223_372_036_854_775_807l, Long.MAX_VALUE);
jjg@1856	61	test(-9_223_372_036_854_775_808l, Long.MIN_VALUE);
jjg@409	62
jjg@409	63	// float
jjg@409	64	test(.1f, .1f);
jjg@409	65	test(.10f, .10f);
jjg@409	66	test(.1_0f, .10f);
jjg@409	67	test(.1__0f, .10f);
jjg@409	68	test(.1_0_0f, .100f);
jjg@409	69	test(.1__0__0f, .100f);
jjg@409	70	test(1e1, 1e1);
jjg@409	71	test(1e10, 1e10);
jjg@409	72	test(1e1_0, 1e10);
jjg@409	73	test(1e1__0, 1e10);
jjg@409	74	test(1e1_0_0, 1e100);
jjg@409	75	test(1e1__0__0, 1e100);
jjg@409	76	test(.123_456_789f, .123456789f);
jjg@409	77	test(0.1f, 0.1f);
jjg@409	78	test(0.10f, 0.10f);
jjg@409	79	test(0.1_0f, 0.10f);
jjg@409	80	test(0.1__0f, 0.10f);
jjg@409	81	test(0.1_0_0f, 0.100f);
jjg@409	82	test(0.1__0__0f, 0.100f);
jjg@409	83	test(0.123_456_789f, 0.123456789f);
jjg@409	84	test(1_1.1f, 1_1.1f);
jjg@409	85	test(1_1.10f, 1_1.10f);
jjg@409	86	test(1_1.1_0f, 1_1.10f);
jjg@409	87	test(1_1.1__0f, 1_1.10f);
jjg@409	88	test(1_1.1_0_0f, 1_1.100f);
jjg@409	89	test(1_1.1__0__0f, 1_1.100f);
jjg@409	90	test(1_1.123_456_789f, 1_1.123456789f);
jjg@1856	91	test(3.4_028_235E38f, Float.MAX_VALUE);
jjg@1856	92	test(1.4E-4_5f, Float.MIN_VALUE);
jjg@409	93
jjg@409	94	// double
jjg@409	95	test(.1d, .1d);
jjg@409	96	test(.10d, .10d);
jjg@409	97	test(.1_0d, .10d);
jjg@409	98	test(.1__0d, .10d);
jjg@409	99	test(.1_0_0d, .100d);
jjg@409	100	test(.1__0__0d, .100d);
jjg@409	101	test(1e1, 1e1);
jjg@409	102	test(1e10, 1e10);
jjg@409	103	test(1e1_0, 1e10);
jjg@409	104	test(1e1__0, 1e10);
jjg@409	105	test(1e1_0_0, 1e100);
jjg@409	106	test(1e1__0__0, 1e100);
jjg@409	107	test(.123_456_789d, .123456789d);
jjg@409	108	test(0.1d, 0.1d);
jjg@409	109	test(0.10d, 0.10d);
jjg@409	110	test(0.1_0d, 0.10d);
jjg@409	111	test(0.1__0d, 0.10d);
jjg@409	112	test(0.1_0_0d, 0.100d);
jjg@409	113	test(0.1__0__0d, 0.100d);
jjg@409	114	test(0.123_456_789d, 0.123456789d);
jjg@409	115	test(1_1.1d, 1_1.1d);
jjg@409	116	test(1_1.10d, 1_1.10d);
jjg@409	117	test(1_1.1_0d, 1_1.10d);
jjg@409	118	test(1_1.1__0d, 1_1.10d);
jjg@409	119	test(1_1.1_0_0d, 1_1.100d);
jjg@409	120	test(1_1.1__0__0d, 1_1.100d);
jjg@409	121	test(1_1.123_456_789d, 1_1.123456789d);
jjg@1856	122	test(1.797_6_9_3_1_348_623_157E3_08, Double.MAX_VALUE);
jjg@1856	123	test(4.9E-3_24, Double.MIN_VALUE);
jjg@409	124
jjg@409	125	// binary
jjg@409	126	test(0b1, 1);
jjg@409	127	test(0b10, 2);
jjg@409	128	test(0b1_0, 2);
jjg@409	129	test(0b1__0, 2);
jjg@409	130	test(0b1_0_0, 4);
jjg@409	131	test(0b1__0__0, 4);
jjg@409	132	test(0b0001_0010_0011, 0x123);
jjg@1856	133	test(0b111_1111_1111_1111_1111_1111_1111_1111, Integer.MAX_VALUE);
jjg@1856	134	test(0b1000_0000_0000_0000_0000_0000_0000_0000, Integer.MIN_VALUE);
jjg@1856	135	test(0b111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111l, Long.MAX_VALUE);
jjg@1856	136	test(0b1000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000l, Long.MIN_VALUE);
jjg@1856	137	test(0b111_1111_1111_1111, Short.MAX_VALUE);
jjg@1856	138	test((short)-0b1000_0000_0000_0000, Short.MIN_VALUE);
jjg@1856	139	test(0b111_1111, Byte.MAX_VALUE);
jjg@1856	140	test((byte)-0b1000_0000, Byte.MIN_VALUE);
jjg@409	141
jjg@409	142	// octal
jjg@409	143	test(01, 1);
jjg@409	144	test(010, 8);
jjg@409	145	test(01_0, 8);
jjg@409	146	test(01__0, 8);
jjg@409	147	test(01_0_0, 64);
jjg@409	148	test(01__0__0, 64);
jjg@409	149	test(0_1, 1);
jjg@409	150	test(0_10, 8);
jjg@409	151	test(0_1_0, 8);
jjg@409	152	test(0_1__0, 8);
jjg@409	153	test(0_1_0_0, 64);
jjg@409	154	test(0_1__0__0, 64);
jjg@409	155	test(0_001_002_003, 01002003);
jjg@1856	156	test(0177_7777_7777, Integer.MAX_VALUE);
jjg@1856	157	test(-0200_0000_0000, Integer.MIN_VALUE);
jjg@1856	158	test(077_77_77_77_77_7_77_77_77_77_77l, Long.MAX_VALUE);
jjg@1856	159	test(-010_00_00_00_00_00_00_00_00_00_00l, Long.MIN_VALUE);
jjg@1856	160	test((short)07_77_77, Short.MAX_VALUE);
jjg@1856	161	test((short)-010_00_00, Short.MIN_VALUE);
jjg@1856	162	test(01_77, Byte.MAX_VALUE);
jjg@1856	163	test((byte)-02_00, Byte.MIN_VALUE);
jjg@409	164
jjg@409	165	// hexadecimal
jjg@409	166	test(0x1, 1);
jjg@409	167	test(0x10, 16);
jjg@409	168	test(0x1_0, 16);
jjg@409	169	test(0x1__0, 16);
jjg@409	170	test(0x1_0_0, 256);
jjg@409	171	test(0x1__0__0, 256);
jjg@409	172	test(0x01_02_03_04, 0x1020304);
jjg@1856	173	test(0x7f_ff_ff_ff, Integer.MAX_VALUE);
jjg@1856	174	test(0x80_00_00_00, Integer.MIN_VALUE);
jjg@1856	175	test(0x1.f_ff_ffep127f, Float.MAX_VALUE);
jjg@1856	176	test(0x0.00_00_02p-126f, Float.MIN_VALUE);
jjg@1856	177	test(0x1.f__ff_ff_ff_ff_ff_ffp1_023, Double.MAX_VALUE);
jjg@1856	178	test(0x0.000_000_000_000_1p-1_022, Double.MIN_VALUE);
jjg@1856	179	test(0x7f_ff_ff_ff_ff_ff_ff_ffl, Long.MAX_VALUE);
jjg@1856	180	test(0x80_00_00_00_00_00_00_00l, Long.MIN_VALUE);
jjg@1856	181	test(0x7f_ff, Short.MAX_VALUE);
jjg@1856	182	test((short)0x80_00, Short.MIN_VALUE);
jjg@1856	183	test(0x7_f, Byte.MAX_VALUE);
jjg@1856	184	test((byte)0x8_0, Byte.MIN_VALUE);
jjg@409	185
jjg@409	186	// misc
jjg@409	187	long creditCardNumber = 1234_5678_9012_3456L;
jjg@409	188	test(creditCardNumber, 1234567890123456L);
jjg@409	189	long socialSecurityNumbers = 999_99_9999L;
jjg@409	190	test(socialSecurityNumbers, 999999999L);
jjg@409	191	double monetaryAmount = 12_345_132.12d;
jjg@409	192	test(monetaryAmount, 12345132.12d);
jjg@409	193	long hexBytes = 0xFF_EC_DE_5E;
jjg@409	194	test(hexBytes, 0xffecde5e);
jjg@409	195	long hexWords = 0xFFEC_DE5E;
jjg@409	196	test(hexWords, 0xffecde5e);
jjg@409	197	long maxLong = 0x7fff_ffff_ffff_ffffL;
jjg@409	198	test(maxLong, 0x7fffffffffffffffL);
jjg@409	199	long maxLongDecimal = 9223372036854775807L;
jjg@409	200	long alsoMaxLong = 9_223_372_036_854_775_807L;
jjg@409	201	test(alsoMaxLong, maxLongDecimal);
jjg@409	202	double whyWouldYouEverDoThis = 0x1.ffff_ffff_ffff_fp10_23;
jjg@409	203	double whyWouldYouEverDoEvenThis = 0x1.fffffffffffffp1023;
jjg@409	204	test(whyWouldYouEverDoThis, whyWouldYouEverDoEvenThis);
jjg@409	205
jjg@409	206	if (errors > 0)
jjg@409	207	throw new Exception(errors + " errors found");
jjg@409	208	}
jjg@409	209
jjg@409	210	void test(int value, int expect) {
jjg@409	211	count++;
jjg@409	212	if (value != expect)
jjg@409	213	error("test " + count + "\nexpected: 0x" + Integer.toHexString(expect) + "\n found: 0x" + Integer.toHexString(value));
jjg@409	214	}
jjg@409	215
jjg@409	216	void test(double value, double expect) {
jjg@409	217	count++;
jjg@409	218	if (value != expect)
jjg@409	219	error("test " + count + "\nexpected: 0x" + expect + "\n found: 0x" + value);
jjg@409	220	}
jjg@409	221
jjg@409	222	void test(long value, long expect) {
jjg@409	223	count++;
jjg@409	224	if (value != expect)
jjg@409	225	error("test " + count + "\nexpected: 0x" + Long.toHexString(expect) + "\n found: 0x" + Long.toHexString(value));
jjg@409	226	}
jjg@409	227
jjg@409	228	void error(String message) {
jjg@409	229	System.out.println(message);
jjg@409	230	errors++;
jjg@409	231	}
jjg@409	232
jjg@409	233	int count;
jjg@409	234	int errors;
jjg@409	235	}