1 /* 2 * Copyright (c) 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 import com.oracle.java.testlibrary.Platform; 25 import com.oracle.java.testlibrary.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()) { 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 if (Platform.isAArch64()) { 99 switch (optionName) { 100 case SHAOptionsBase.USE_SHA_OPTION: 101 return SHAOptionsBase.SHA_INSTRUCTIONS_ARE_NOT_AVAILABLE; 102 case SHAOptionsBase.USE_SHA1_INTRINSICS_OPTION: 103 return SHAOptionsBase.SHA1_INSTRUCTION_IS_NOT_AVAILABLE; 104 case SHAOptionsBase.USE_SHA256_INTRINSICS_OPTION: 105 return SHAOptionsBase.SHA256_INSTRUCTION_IS_NOT_AVAILABLE; 106 case SHAOptionsBase.USE_SHA512_INTRINSICS_OPTION: 107 return SHAOptionsBase.SHA512_INSTRUCTION_IS_NOT_AVAILABLE; 108 default: 109 throw new Error("Unexpected option " + optionName); 110 } 111 } else { 112 throw new Error("Support for CPUs other then X86 or SPARC is not " 113 + "implemented."); 114 } 115 } 116 117 /** 118 * Returns the predicate indicating whether or not CPU instructions required 119 * by the option with name {@code optionName} are available. 120 * 121 * @param optionName The name of the option for which a predicate should be 122 * returned. 123 * @return The predicate on availability of CPU instructions required by the 124 * option. 125 */ 126 protected static BooleanSupplier getPredicateForOption(String optionName) { 127 switch (optionName) { 128 case SHAOptionsBase.USE_SHA_OPTION: 129 return IntrinsicPredicates.ANY_SHA_INSTRUCTION_AVAILABLE; 130 case SHAOptionsBase.USE_SHA1_INTRINSICS_OPTION: 131 return IntrinsicPredicates.SHA1_INSTRUCTION_AVAILABLE; 132 case SHAOptionsBase.USE_SHA256_INTRINSICS_OPTION: 133 return IntrinsicPredicates.SHA256_INSTRUCTION_AVAILABLE; 134 case SHAOptionsBase.USE_SHA512_INTRINSICS_OPTION: 135 return IntrinsicPredicates.SHA512_INSTRUCTION_AVAILABLE; 136 default: 137 throw new Error("Unexpected option " + optionName); 138 } 139 } 140 141 public SHAOptionsBase(TestCase... testCases) { 142 super(Boolean.TRUE::booleanValue); 143 this.testCases = testCases; 144 } 145 146 @Override 147 protected void runTestCases() throws Throwable { 148 for (TestCase testCase : testCases) { 149 testCase.test(); 150 } 151 } 152 153 public static abstract class TestCase { 154 protected final String optionName; 155 private final BooleanSupplier predicate; 156 157 protected TestCase(String optionName, BooleanSupplier predicate) { 158 this.optionName = optionName; 159 this.predicate = predicate; 160 } 161 162 protected final void test() throws Throwable { 163 String testCaseName = this.getClass().getName(); 164 if (!predicate.getAsBoolean()) { 165 System.out.println("Skipping " + testCaseName 166 + " due to predicate failure."); 167 return; 168 } else { 169 System.out.println("Running " + testCaseName); 170 } 171 172 verifyWarnings(); 173 verifyOptionValues(); 174 } 175 176 protected void verifyWarnings() throws Throwable { 177 } 178 179 protected void verifyOptionValues() throws Throwable { 180 } 181 } 182 }