Mercurial > jdk8-mips64-public > langtools / file revision
test/tools/javac/literals/UnderscoreLiterals.java@3b2e10524627
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
1 /*
2 * Copyright (c) 2009, 2013, 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);
45 test(2_147_483_647, Integer.MAX_VALUE);
46 test(-2_147_483_648, Integer.MIN_VALUE);
47 test(32_767, Short.MAX_VALUE);
48 test(-32_768, Short.MIN_VALUE);
49 test(1_2_7, Byte.MAX_VALUE);
50 test(-1_2_8, Byte.MIN_VALUE);
52 // long
53 test(1l, 1l);
54 test(10l, 10l);
55 test(1_0l, 10l);
56 test(1__0l, 10l);
57 test(1_0_0l, 100l);
58 test(1__0__0l, 100l);
59 test(123_456_789l, 123456789l);
60 test(9_223_372_036_854_775_807l, Long.MAX_VALUE);
61 test(-9_223_372_036_854_775_808l, Long.MIN_VALUE);
63 // float
64 test(.1f, .1f);
65 test(.10f, .10f);
66 test(.1_0f, .10f);
67 test(.1__0f, .10f);
68 test(.1_0_0f, .100f);
69 test(.1__0__0f, .100f);
70 test(1e1, 1e1);
71 test(1e10, 1e10);
72 test(1e1_0, 1e10);
73 test(1e1__0, 1e10);
74 test(1e1_0_0, 1e100);
75 test(1e1__0__0, 1e100);
76 test(.123_456_789f, .123456789f);
77 test(0.1f, 0.1f);
78 test(0.10f, 0.10f);
79 test(0.1_0f, 0.10f);
80 test(0.1__0f, 0.10f);
81 test(0.1_0_0f, 0.100f);
82 test(0.1__0__0f, 0.100f);
83 test(0.123_456_789f, 0.123456789f);
84 test(1_1.1f, 1_1.1f);
85 test(1_1.10f, 1_1.10f);
86 test(1_1.1_0f, 1_1.10f);
87 test(1_1.1__0f, 1_1.10f);
88 test(1_1.1_0_0f, 1_1.100f);
89 test(1_1.1__0__0f, 1_1.100f);
90 test(1_1.123_456_789f, 1_1.123456789f);
91 test(3.4_028_235E38f, Float.MAX_VALUE);
92 test(1.4E-4_5f, Float.MIN_VALUE);
94 // double
95 test(.1d, .1d);
96 test(.10d, .10d);
97 test(.1_0d, .10d);
98 test(.1__0d, .10d);
99 test(.1_0_0d, .100d);
100 test(.1__0__0d, .100d);
101 test(1e1, 1e1);
102 test(1e10, 1e10);
103 test(1e1_0, 1e10);
104 test(1e1__0, 1e10);
105 test(1e1_0_0, 1e100);
106 test(1e1__0__0, 1e100);
107 test(.123_456_789d, .123456789d);
108 test(0.1d, 0.1d);
109 test(0.10d, 0.10d);
110 test(0.1_0d, 0.10d);
111 test(0.1__0d, 0.10d);
112 test(0.1_0_0d, 0.100d);
113 test(0.1__0__0d, 0.100d);
114 test(0.123_456_789d, 0.123456789d);
115 test(1_1.1d, 1_1.1d);
116 test(1_1.10d, 1_1.10d);
117 test(1_1.1_0d, 1_1.10d);
118 test(1_1.1__0d, 1_1.10d);
119 test(1_1.1_0_0d, 1_1.100d);
120 test(1_1.1__0__0d, 1_1.100d);
121 test(1_1.123_456_789d, 1_1.123456789d);
122 test(1.797_6_9_3_1_348_623_157E3_08, Double.MAX_VALUE);
123 test(4.9E-3_24, Double.MIN_VALUE);
125 // binary
126 test(0b1, 1);
127 test(0b10, 2);
128 test(0b1_0, 2);
129 test(0b1__0, 2);
130 test(0b1_0_0, 4);
131 test(0b1__0__0, 4);
132 test(0b0001_0010_0011, 0x123);
133 test(0b111_1111_1111_1111_1111_1111_1111_1111, Integer.MAX_VALUE);
134 test(0b1000_0000_0000_0000_0000_0000_0000_0000, Integer.MIN_VALUE);
135 test(0b111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111_1111l, Long.MAX_VALUE);
136 test(0b1000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000_0000l, Long.MIN_VALUE);
137 test(0b111_1111_1111_1111, Short.MAX_VALUE);
138 test((short)-0b1000_0000_0000_0000, Short.MIN_VALUE);
139 test(0b111_1111, Byte.MAX_VALUE);
140 test((byte)-0b1000_0000, Byte.MIN_VALUE);
142 // octal
143 test(01, 1);
144 test(010, 8);
145 test(01_0, 8);
146 test(01__0, 8);
147 test(01_0_0, 64);
148 test(01__0__0, 64);
149 test(0_1, 1);
150 test(0_10, 8);
151 test(0_1_0, 8);
152 test(0_1__0, 8);
153 test(0_1_0_0, 64);
154 test(0_1__0__0, 64);
155 test(0_001_002_003, 01002003);
156 test(0177_7777_7777, Integer.MAX_VALUE);
157 test(-0200_0000_0000, Integer.MIN_VALUE);
158 test(077_77_77_77_77_7_77_77_77_77_77l, Long.MAX_VALUE);
159 test(-010_00_00_00_00_00_00_00_00_00_00l, Long.MIN_VALUE);
160 test((short)07_77_77, Short.MAX_VALUE);
161 test((short)-010_00_00, Short.MIN_VALUE);
162 test(01_77, Byte.MAX_VALUE);
163 test((byte)-02_00, Byte.MIN_VALUE);
165 // hexadecimal
166 test(0x1, 1);
167 test(0x10, 16);
168 test(0x1_0, 16);
169 test(0x1__0, 16);
170 test(0x1_0_0, 256);
171 test(0x1__0__0, 256);
172 test(0x01_02_03_04, 0x1020304);
173 test(0x7f_ff_ff_ff, Integer.MAX_VALUE);
174 test(0x80_00_00_00, Integer.MIN_VALUE);
175 test(0x1.f_ff_ffep127f, Float.MAX_VALUE);
176 test(0x0.00_00_02p-126f, Float.MIN_VALUE);
177 test(0x1.f__ff_ff_ff_ff_ff_ffp1_023, Double.MAX_VALUE);
178 test(0x0.000_000_000_000_1p-1_022, Double.MIN_VALUE);
179 test(0x7f_ff_ff_ff_ff_ff_ff_ffl, Long.MAX_VALUE);
180 test(0x80_00_00_00_00_00_00_00l, Long.MIN_VALUE);
181 test(0x7f_ff, Short.MAX_VALUE);
182 test((short)0x80_00, Short.MIN_VALUE);
183 test(0x7_f, Byte.MAX_VALUE);
184 test((byte)0x8_0, Byte.MIN_VALUE);
186 // misc
187 long creditCardNumber = 1234_5678_9012_3456L;
188 test(creditCardNumber, 1234567890123456L);
189 long socialSecurityNumbers = 999_99_9999L;
190 test(socialSecurityNumbers, 999999999L);
191 double monetaryAmount = 12_345_132.12d;
192 test(monetaryAmount, 12345132.12d);
193 long hexBytes = 0xFF_EC_DE_5E;
194 test(hexBytes, 0xffecde5e);
195 long hexWords = 0xFFEC_DE5E;
196 test(hexWords, 0xffecde5e);
197 long maxLong = 0x7fff_ffff_ffff_ffffL;
198 test(maxLong, 0x7fffffffffffffffL);
199 long maxLongDecimal = 9223372036854775807L;
200 long alsoMaxLong = 9_223_372_036_854_775_807L;
201 test(alsoMaxLong, maxLongDecimal);
202 double whyWouldYouEverDoThis = 0x1.ffff_ffff_ffff_fp10_23;
203 double whyWouldYouEverDoEvenThis = 0x1.fffffffffffffp1023;
204 test(whyWouldYouEverDoThis, whyWouldYouEverDoEvenThis);
206 if (errors > 0)
207 throw new Exception(errors + " errors found");
208 }
210 void test(int value, int expect) {
211 count++;
212 if (value != expect)
213 error("test " + count + "\nexpected: 0x" + Integer.toHexString(expect) + "\n found: 0x" + Integer.toHexString(value));
214 }
216 void test(double value, double expect) {
217 count++;
218 if (value != expect)
219 error("test " + count + "\nexpected: 0x" + expect + "\n found: 0x" + value);
220 }
222 void test(long value, long expect) {
223 count++;
224 if (value != expect)
225 error("test " + count + "\nexpected: 0x" + Long.toHexString(expect) + "\n found: 0x" + Long.toHexString(value));
226 }
228 void error(String message) {
229 System.out.println(message);
230 errors++;
231 }
233 int count;
234 int errors;
235 }
