1 /*
2 * Copyright (c) 2014, 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 import jdk.test.lib.Platform;
25 import jdk.test.lib.cli.CommandLineOptionTest;
26 import sha.predicate.IntrinsicPredicates;
27
28 import java.util.function.BooleanSupplier;
29
30 /**
31 * Base class for all CLI tests on SHA-related options.
32 *
33 * Instead of using huge complex tests for each option, each test is constructed
34 * from several test cases shared among different tests.
35 */
36 public class SHAOptionsBase extends CommandLineOptionTest {
37 protected static final String USE_SHA_OPTION = "UseSHA";
38 protected static final String USE_SHA1_INTRINSICS_OPTION
39 = "UseSHA1Intrinsics";
40 protected static final String USE_SHA256_INTRINSICS_OPTION
41 = "UseSHA256Intrinsics";
42 protected static final String USE_SHA512_INTRINSICS_OPTION
43 = "UseSHA512Intrinsics";
44
45 // Note that strings below will be passed to
46 // CommandLineOptionTest.verifySameJVMStartup and thus are regular
47 // expressions, not just a plain strings.
48 protected static final String SHA_INSTRUCTIONS_ARE_NOT_AVAILABLE
49 = "SHA instructions are not available on this CPU";
50 protected static final String SHA1_INSTRUCTION_IS_NOT_AVAILABLE
51 = "SHA1 instruction is not available on this CPU\\.";
52 protected static final String SHA256_INSTRUCTION_IS_NOT_AVAILABLE
53 = "SHA256 instruction \\(for SHA-224 and SHA-256\\) "
54 + "is not available on this CPU\\.";
55 protected static final String SHA512_INSTRUCTION_IS_NOT_AVAILABLE
56 = "SHA512 instruction \\(for SHA-384 and SHA-512\\) "
57 + "is not available on this CPU\\.";
58 protected static final String SHA_INTRINSICS_ARE_NOT_AVAILABLE
59 = "SHA intrinsics are not available on this CPU";
60
61 private final TestCase[] testCases;
62
63 /**
64 * Returns warning message that should occur in VM output if an option with
65 * the name {@code optionName} was turned on and CPU does not support
66 * required instructions.
67 *
68 * @param optionName The name of the option for which warning message should
69 * be returned.
70 * @return A warning message that will be printed out to VM output if CPU
71 * instructions required by the option are not supported.
72 */
73 protected static String getWarningForUnsupportedCPU(String optionName) {
74 if (Platform.isSparc() || Platform.isAArch64()) {
75 switch (optionName) {
76 case SHAOptionsBase.USE_SHA_OPTION:
77 return SHAOptionsBase.SHA_INSTRUCTIONS_ARE_NOT_AVAILABLE;
78 case SHAOptionsBase.USE_SHA1_INTRINSICS_OPTION:
79 return SHAOptionsBase.SHA1_INSTRUCTION_IS_NOT_AVAILABLE;
80 case SHAOptionsBase.USE_SHA256_INTRINSICS_OPTION:
81 return SHAOptionsBase.SHA256_INSTRUCTION_IS_NOT_AVAILABLE;
82 case SHAOptionsBase.USE_SHA512_INTRINSICS_OPTION:
83 return SHAOptionsBase.SHA512_INSTRUCTION_IS_NOT_AVAILABLE;
84 default:
85 throw new Error("Unexpected option " + optionName);
86 }
87 } else if (Platform.isX64() || Platform.isX86()) {
88 switch (optionName) {
89 case SHAOptionsBase.USE_SHA_OPTION:
90 return SHAOptionsBase.SHA_INSTRUCTIONS_ARE_NOT_AVAILABLE;
91 case SHAOptionsBase.USE_SHA1_INTRINSICS_OPTION:
92 case SHAOptionsBase.USE_SHA256_INTRINSICS_OPTION:
93 case SHAOptionsBase.USE_SHA512_INTRINSICS_OPTION:
94 return SHAOptionsBase.SHA_INTRINSICS_ARE_NOT_AVAILABLE;
95 default:
96 throw new Error("Unexpected option " + optionName);
97 }
98 } else {
99 throw new Error("Support for CPUs other then X86 or SPARC is not "
100 + "implemented.");
101 }
102 }
103
104 /**
105 * Returns the predicate indicating whether or not CPU instructions required
106 * by the option with name {@code optionName} are available.
107 *
108 * @param optionName The name of the option for which a predicate should be
109 * returned.
110 * @return The predicate on availability of CPU instructions required by the
111 * option.
112 */
113 protected static BooleanSupplier getPredicateForOption(String optionName) {
114 switch (optionName) {
115 case SHAOptionsBase.USE_SHA_OPTION:
116 return IntrinsicPredicates.ANY_SHA_INSTRUCTION_AVAILABLE;
117 case SHAOptionsBase.USE_SHA1_INTRINSICS_OPTION:
118 return IntrinsicPredicates.SHA1_INSTRUCTION_AVAILABLE;
119 case SHAOptionsBase.USE_SHA256_INTRINSICS_OPTION:
120 return IntrinsicPredicates.SHA256_INSTRUCTION_AVAILABLE;
121 case SHAOptionsBase.USE_SHA512_INTRINSICS_OPTION:
122 return IntrinsicPredicates.SHA512_INSTRUCTION_AVAILABLE;
123 default:
124 throw new Error("Unexpected option " + optionName);
125 }
126 }
127
128 public SHAOptionsBase(TestCase... testCases) {
129 super(Boolean.TRUE::booleanValue);
130 this.testCases = testCases;
131 }
132
133 @Override
134 protected void runTestCases() throws Throwable {
135 for (TestCase testCase : testCases) {
136 testCase.test();
137 }
138 }
139
140 public static abstract class TestCase {
141 protected final String optionName;
142 private final BooleanSupplier predicate;
143
144 protected TestCase(String optionName, BooleanSupplier predicate) {
145 this.optionName = optionName;
146 this.predicate = predicate;
147 }
148
149 protected final void test() throws Throwable {
150 String testCaseName = this.getClass().getName();
151 if (!predicate.getAsBoolean()) {
152 System.out.println("Skipping " + testCaseName
153 + " due to predicate failure.");
154 return;
155 } else {
156 System.out.println("Running " + testCaseName);
157 }
158
159 verifyWarnings();
160 verifyOptionValues();
161 }
162
163 protected void verifyWarnings() throws Throwable {
164 }
165
166 protected void verifyOptionValues() throws Throwable {
167 }
168 }
169 }