1 /*
2 * Copyright (c) 2013, 2015, 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 TestHeapFreeRatio
26 * @key gc
27 * @bug 8025661
28 * @summary Test parsing of -Xminf and -Xmaxf
29 * @library /testlibrary
30 * @modules java.base/sun.misc
31 * java.management
32 * @run main/othervm TestHeapFreeRatio
33 */
34
35 import jdk.test.lib.*;
36
37 public class TestHeapFreeRatio {
38
39 enum Validation {
40 VALID,
41 MIN_INVALID,
42 MAX_INVALID,
43 OUT_OF_RANGE,
44 COMBINATION_INVALID
45 }
46
47 private static void testMinMaxFreeRatio(String min, String max, Validation type) throws Exception {
48 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
49 "-Xminf" + min,
50 "-Xmaxf" + max,
51 "-version");
52 OutputAnalyzer output = new OutputAnalyzer(pb.start());
53
54 switch (type) {
55 case VALID:
56 output.shouldNotContain("Error");
57 output.shouldHaveExitValue(0);
58 break;
59 case MIN_INVALID:
60 output.shouldContain("Bad min heap free percentage size: -Xminf" + min);
61 output.shouldContain("Error");
62 output.shouldHaveExitValue(1);
63 break;
64 case MAX_INVALID:
65 output.shouldContain("Bad max heap free percentage size: -Xmaxf" + max);
66 output.shouldContain("Error");
67 output.shouldHaveExitValue(1);
68 break;
69 case OUT_OF_RANGE:
70 output.shouldContain("outside the allowed range");
71 output.shouldContain("Error");
72 output.shouldHaveExitValue(1);
73 break;
74 case COMBINATION_INVALID:
75 output.shouldContain("must be less than or equal to MaxHeapFreeRatio");
76 output.shouldContain("Error");
77 output.shouldHaveExitValue(1);
78 break;
79 default:
80 throw new IllegalStateException("Must specify expected validation type");
81 }
82
83 System.out.println(output.getOutput());
84 }
85
86 public static void main(String args[]) throws Exception {
87 testMinMaxFreeRatio( "0.1", "0.5", Validation.VALID);
88 testMinMaxFreeRatio( ".1", ".5", Validation.VALID);
89 testMinMaxFreeRatio( "0.5", "0.5", Validation.VALID);
90
91 testMinMaxFreeRatio("=0.1", "0.5", Validation.MIN_INVALID);
92 testMinMaxFreeRatio("0.1f", "0.5", Validation.MIN_INVALID);
93 testMinMaxFreeRatio(
94 "INVALID", "0.5", Validation.MIN_INVALID);
95
96 testMinMaxFreeRatio( "0.1", "0.5f", Validation.MAX_INVALID);
97 testMinMaxFreeRatio( "0.1", "=0.5", Validation.MAX_INVALID);
98 testMinMaxFreeRatio(
99 "0.1", "INVALID", Validation.MAX_INVALID);
100
101 testMinMaxFreeRatio("-0.1", "0.5", Validation.OUT_OF_RANGE);
102 testMinMaxFreeRatio( "1.1", "0.5", Validation.OUT_OF_RANGE);
103 testMinMaxFreeRatio(
104 "2147483647", "0.5", Validation.OUT_OF_RANGE);
105 testMinMaxFreeRatio( "0.1", "-0.5", Validation.OUT_OF_RANGE);
106 testMinMaxFreeRatio( "0.1", "1.5", Validation.OUT_OF_RANGE);
107 testMinMaxFreeRatio(
108 "0.1", "2147483647", Validation.OUT_OF_RANGE);
109
110 testMinMaxFreeRatio( "0.5", "0.1", Validation.COMBINATION_INVALID);
111 testMinMaxFreeRatio( ".5", ".10", Validation.COMBINATION_INVALID);
112 testMinMaxFreeRatio("0.12","0.100", Validation.COMBINATION_INVALID);
113 }
114 }