1 /*
2 * Copyright (c) 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 */
23
24 /*
25 * @test
26 * @bug 8026844
27 * @summary Test repeating subtractExact
28 * @compile SubExactIRepeatTest.java Verify.java
29 * @run main SubExactIRepeatTest
30 *
31 */
32
33 import java.lang.ArithmeticException;
34
35 public class SubExactIRepeatTest {
36 public static void main(String[] args) {
37 runTest(new Verify.SubExactI());
38 }
39
40 public static int nonExact(int x, int y, Verify.BinaryMethod method) {
41 int result = method.unchecked(x, y);
42 result += method.unchecked(x, y);
43 result += method.unchecked(x, y);
44 result += method.unchecked(x, y);
45 return result;
46 }
47
48 public static void runTest(Verify.BinaryMethod method) {
49 java.util.Random rnd = new java.util.Random();
50 for (int i = 0; i < 50000; ++i) {
51 int x = Integer.MIN_VALUE + 10;
52 int y = Integer.MAX_VALUE - 10 + rnd.nextInt(5);
53
54 int c = rnd.nextInt() / 2;
55 int d = rnd.nextInt() / 2;
56
57 int a = catchingExact(x, y, method);
58
59 if (a != 36) {
60 throw new RuntimeException("a != 36 : " + a);
61 }
62
63 int b = nonExact(c, d, method);
64 int n = exact(c, d, method);
65
66
67 if (n != b) {
68 throw new RuntimeException("n != b : " + n + " != " + b);
69 }
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1 /*
2 * Copyright (c) 2013, 2014, 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 */
23
24 /*
25 * @test
26 * @bug 8026844
27 * @summary Test repeating subtractExact
28 * @library /testlibrary
29 * @compile SubExactIRepeatTest.java Verify.java
30 * @run main SubExactIRepeatTest
31 *
32 */
33
34 import com.oracle.java.testlibrary.Utils;
35 import java.util.Random;
36
37 public class SubExactIRepeatTest {
38 public static void main(String[] args) {
39 runTest(new Verify.SubExactI());
40 }
41
42 public static int nonExact(int x, int y, Verify.BinaryMethod method) {
43 int result = method.unchecked(x, y);
44 result += method.unchecked(x, y);
45 result += method.unchecked(x, y);
46 result += method.unchecked(x, y);
47 return result;
48 }
49
50 public static void runTest(Verify.BinaryMethod method) {
51 Random rnd = Utils.getRandomInstance();
52 for (int i = 0; i < 50000; ++i) {
53 int x = Integer.MIN_VALUE + 10;
54 int y = Integer.MAX_VALUE - 10 + rnd.nextInt(5);
55
56 int c = rnd.nextInt() / 2;
57 int d = rnd.nextInt() / 2;
58
59 int a = catchingExact(x, y, method);
60
61 if (a != 36) {
62 throw new RuntimeException("a != 36 : " + a);
63 }
64
65 int b = nonExact(c, d, method);
66 int n = exact(c, d, method);
67
68
69 if (n != b) {
70 throw new RuntimeException("n != b : " + n + " != " + b);
71 }
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