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/*
* Copyright (c) 2014, 2015, 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.testlibrary.uncommontrap;
import jdk.test.lib.Asserts;
import java.io.FileReader;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.Iterator;
import java.util.List;
import java.util.Properties;
import java.util.regex.Pattern;
/**
* Utility tool aimed to verify presence or absence of specified uncommon trap
* in compilation log.
*/
public class Verifier {
public static final String PROPERTIES_FILE_SUFFIX = ".verify.properties";
public static final String VERIFICATION_SHOULD_BE_SKIPPED
= "uncommon.trap.verification.skipped";
public static final String UNCOMMON_TRAP_NAME = "uncommon.trap.name";
public static final String UNCOMMON_TRAP_BCI = "uncommon.trap.bci";
public static final String UNCOMMON_TRAP_COMMENT = "uncommon.trap.comment";
public static final String UNCOMMON_TRAP_ACTION = "uncommon.trap.action";
public static final String UNCOMMON_TRAP_SHOULD_EMITTED
= "uncommon.trap.emitted";
public static final String UNCOMMON_TRAP_SHOULD_FIRED
= "uncommon.trap.fired";
private static final String EMITTED_TRAP_PATTERN
= "<uncommon_trap bci='%s' reason='%s' action='%s' "
+ "comment='%s'";
private static final String FIRED_TRAP_PATTERN
= "<uncommon_trap thread='[0-9]*' reason='%s' action='%s'";
private static final String JVMS_PATTERN = "<jvms bci='%s'";
public static void main(String args[]) {
if (args.length == 0) {
throw new Error("At least one argument containing name of "
+ "compilation log file is expected");
}
for (String compLogFile : args) {
try {
verify(Paths.get(compLogFile));
} catch (IOException e) {
throw new Error("Unable to process compilation log.", e);
}
}
}
private static void verify(Path compLogFile) throws IOException {
Path propertiesFile = Paths.get(compLogFile.toString() +
PROPERTIES_FILE_SUFFIX);
Properties properties = new Properties();
try (FileReader reader = new FileReader(propertiesFile.toFile())) {
properties.load(reader);
}
if (Boolean.valueOf(properties.getProperty(
VERIFICATION_SHOULD_BE_SKIPPED, "false"))) {
System.out.println("Skipping verification for log file: "
+ compLogFile.toString());
return;
}
System.out.println("Verifying log file: " + compLogFile.toString());
List<String> compLogContent = Files.readAllLines(compLogFile);
verifyUncommonTrapEmitted(properties, compLogContent);
verifyUncommonTrapFired(properties, compLogContent);
}
private static void verifyUncommonTrapEmitted(Properties properties,
List<String> compLogContent) {
String emittedTrapRE = String.format(EMITTED_TRAP_PATTERN,
properties.getProperty(UNCOMMON_TRAP_BCI, ".*"),
properties.getProperty(UNCOMMON_TRAP_NAME, ".*"),
properties.getProperty(UNCOMMON_TRAP_ACTION, ".*"),
properties.getProperty(UNCOMMON_TRAP_COMMENT, ".*"));
Pattern pattern = Pattern.compile(emittedTrapRE);
long trapsCount = compLogContent.stream()
.filter(line -> pattern.matcher(line).find())
.count();
boolean shouldBeEmitted = Boolean.valueOf(
properties.getProperty(UNCOMMON_TRAP_SHOULD_EMITTED));
Asserts.assertEQ(shouldBeEmitted, trapsCount > 0, String.format(
"Uncommon trap that matches following string in compilation log"
+ " should %sbe emitted: %s.",
(shouldBeEmitted ? " " : "not "), emittedTrapRE));
}
private static void verifyUncommonTrapFired(Properties properties,
List<String> compLogContent) {
String firedTrapRE = String.format(FIRED_TRAP_PATTERN,
properties.getProperty(UNCOMMON_TRAP_NAME, ".*"),
properties.getProperty(UNCOMMON_TRAP_ACTION, ".*"));
String jvmsRE = String.format(JVMS_PATTERN,
properties.getProperty(UNCOMMON_TRAP_BCI, ".*"));
boolean trapFired = false;
Pattern firedTrapPattern = Pattern.compile(firedTrapRE);
Pattern jvmsPattern = Pattern.compile(jvmsRE);
Iterator<String> iterator = compLogContent.iterator();
while (iterator.hasNext() && !trapFired) {
trapFired = firedTrapPattern.matcher(iterator.next()).find()
&& jvmsPattern.matcher(iterator.next()).find();
}
boolean shouldBeFired = Boolean.valueOf(
properties.getProperty(UNCOMMON_TRAP_SHOULD_FIRED));
Asserts.assertEQ(shouldBeFired, trapFired, String.format(
"Uncommon trap that matches following string in compilation log"
+ " should %sbe fired: %s.",
(shouldBeFired ? "" : "not "), firedTrapRE));
}
}
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