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/*
* Copyright (c) 2014, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package compiler.intrinsics.sha.cli;
import compiler.testlibrary.sha.predicate.IntrinsicPredicates;
import jdk.test.lib.Platform;
import jdk.test.lib.cli.CommandLineOptionTest;
import java.util.function.BooleanSupplier;
/**
* Base class for all CLI tests on SHA-related options.
*
* Instead of using huge complex tests for each option, each test is constructed
* from several test cases shared among different tests.
*/
public class SHAOptionsBase extends CommandLineOptionTest {
public static final String USE_SHA_OPTION = "UseSHA";
public static final String USE_SHA1_INTRINSICS_OPTION
= "UseSHA1Intrinsics";
public static final String USE_SHA256_INTRINSICS_OPTION
= "UseSHA256Intrinsics";
public static final String USE_SHA512_INTRINSICS_OPTION
= "UseSHA512Intrinsics";
// Intrinsics flags are of diagnostic type
// and must be preceded by UnlockDiagnosticVMOptions.
public static final String UNLOCK_DIAGNOSTIC_VM_OPTIONS
= "-XX:+UnlockDiagnosticVMOptions";
// Note that strings below will be passed to
// CommandLineOptionTest.verifySameJVMStartup and thus are regular
// expressions, not just a plain strings.
protected static final String SHA_INSTRUCTIONS_ARE_NOT_AVAILABLE
= "SHA instructions are not available on this CPU";
protected static final String SHA1_INTRINSICS_ARE_NOT_AVAILABLE
= "Intrinsics for SHA-1 crypto hash functions not available on this CPU.";
protected static final String SHA256_INTRINSICS_ARE_NOT_AVAILABLE
= "Intrinsics for SHA-224 and SHA-256 crypto hash functions not available on this CPU.";
protected static final String SHA512_INTRINSICS_ARE_NOT_AVAILABLE
= "Intrinsics for SHA-384 and SHA-512 crypto hash functions not available on this CPU.";
private final TestCase[] testCases;
/**
* Returns warning message that should occur in VM output if an option with
* the name {@code optionName} was turned on and CPU does not support
* required instructions.
*
* @param optionName The name of the option for which warning message should
* be returned.
* @return A warning message that will be printed out to VM output if CPU
* instructions required by the option are not supported.
*/
public static String getWarningForUnsupportedCPU(String optionName) {
switch (optionName) {
case SHAOptionsBase.USE_SHA_OPTION:
return SHAOptionsBase.SHA_INSTRUCTIONS_ARE_NOT_AVAILABLE;
case SHAOptionsBase.USE_SHA1_INTRINSICS_OPTION:
return SHAOptionsBase.SHA1_INTRINSICS_ARE_NOT_AVAILABLE;
case SHAOptionsBase.USE_SHA256_INTRINSICS_OPTION:
return SHAOptionsBase.SHA256_INTRINSICS_ARE_NOT_AVAILABLE;
case SHAOptionsBase.USE_SHA512_INTRINSICS_OPTION:
return SHAOptionsBase.SHA512_INTRINSICS_ARE_NOT_AVAILABLE;
default:
throw new Error("Unexpected option " + optionName);
}
}
/**
* Returns the predicate indicating whether or not CPU instructions required
* by the option with name {@code optionName} are available.
*
* @param optionName The name of the option for which a predicate should be
* returned.
* @return The predicate on availability of CPU instructions required by the
* option.
*/
public static BooleanSupplier getPredicateForOption(String optionName) {
switch (optionName) {
case SHAOptionsBase.USE_SHA_OPTION:
return IntrinsicPredicates.ANY_SHA_INSTRUCTION_AVAILABLE;
case SHAOptionsBase.USE_SHA1_INTRINSICS_OPTION:
return IntrinsicPredicates.SHA1_INSTRUCTION_AVAILABLE;
case SHAOptionsBase.USE_SHA256_INTRINSICS_OPTION:
return IntrinsicPredicates.SHA256_INSTRUCTION_AVAILABLE;
case SHAOptionsBase.USE_SHA512_INTRINSICS_OPTION:
return IntrinsicPredicates.SHA512_INSTRUCTION_AVAILABLE;
default:
throw new Error("Unexpected option " + optionName);
}
}
public SHAOptionsBase(TestCase... testCases) {
super(Boolean.TRUE::booleanValue);
this.testCases = testCases;
}
@Override
protected void runTestCases() throws Throwable {
for (TestCase testCase : testCases) {
testCase.test();
}
}
public static abstract class TestCase {
protected final String optionName;
private final BooleanSupplier predicate;
protected TestCase(String optionName, BooleanSupplier predicate) {
this.optionName = optionName;
this.predicate = predicate;
}
protected final void test() throws Throwable {
String testCaseName = this.getClass().getName();
if (!predicate.getAsBoolean()) {
System.out.println("Skipping " + testCaseName
+ " due to predicate failure.");
return;
} else {
System.out.println("Running " + testCaseName);
}
verifyWarnings();
verifyOptionValues();
}
protected void verifyWarnings() throws Throwable {
}
protected void verifyOptionValues() throws Throwable {
}
}
}
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