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/*
* Copyright (c) 2016, 2020, 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 jdk.jfr.tool;
import java.nio.file.Path;
import java.time.OffsetDateTime;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import jdk.jfr.Timespan;
import jdk.jfr.Timestamp;
import jdk.jfr.ValueDescriptor;
import jdk.jfr.consumer.RecordedEvent;
import jdk.jfr.consumer.RecordedObject;
import jdk.jfr.consumer.RecordingFile;
import jdk.test.lib.json.JSONValue;
import jdk.test.lib.json.JSONValue.JSONArray;
import jdk.test.lib.Asserts;
import jdk.test.lib.process.OutputAnalyzer;
/**
* @test
* @key jfr
* @summary Tests print --json
* @requires vm.hasJFR
*
* @library /test/lib /test/jdk
* @modules jdk.jfr
*
* @run main/othervm jdk.jfr.tool.TestPrintJSON
*/
public class TestPrintJSON {
public static void main(String... args) throws Throwable {
Path recordingFile = ExecuteHelper.createProfilingRecording().toAbsolutePath();
OutputAnalyzer output = ExecuteHelper.jfr("print", "--json", "--stack-depth", "999", recordingFile.toString());
String json = output.getStdout();
JSONValue o = JSONValue.parse(json);
JSONValue recording = o.get("recording");
JSONArray jsonEvents = recording.get("events").asArray();
List<RecordedEvent> events = RecordingFile.readAllEvents(recordingFile);
Collections.sort(events, new EndTicksComparator());
// Verify events are equal
Iterator<RecordedEvent> it = events.iterator();
for (JSONValue jsonEvent : jsonEvents) {
RecordedEvent recordedEvent = it.next();
String typeName = recordedEvent.getEventType().getName();
Asserts.assertEquals(typeName, jsonEvent.get("type").asString());
assertEquals(jsonEvent, recordedEvent);
}
Asserts.assertFalse(events.size() != jsonEvents.size(), "Incorrect number of events");
}
private static void assertEquals(Object jsonObject, Object jfrObject) throws Exception {
// Check object
if (jfrObject instanceof RecordedObject) {
JSONValue values = ((JSONValue) jsonObject).get("values");
RecordedObject recObject = (RecordedObject) jfrObject;
Asserts.assertEquals(values.size(), recObject.getFields().size());
for (ValueDescriptor v : recObject.getFields()) {
String name = v.getName();
Object jsonValue = values.get(name);
Object expectedValue = recObject.getValue(name);
if (v.getAnnotation(Timestamp.class) != null) {
// Make instant of OffsetDateTime
String text = ((JSONValue) jsonValue).asString();
jsonValue = OffsetDateTime.parse(text).toInstant().toString();
expectedValue = recObject.getInstant(name);
}
if (v.getAnnotation(Timespan.class) != null) {
expectedValue = recObject.getDuration(name);
}
assertEquals(jsonValue, expectedValue);
return;
}
}
// Check array
if (jfrObject != null && jfrObject.getClass().isArray()) {
Object[] jfrArray = (Object[]) jfrObject;
JSONArray jsArray = ((JSONArray) jsonObject);
for (int i = 0; i < jfrArray.length; i++) {
assertEquals(jsArray.get(i), jfrArray[i]);
}
return;
}
String jsonText = String.valueOf(jsonObject);
// Double.NaN / Double.Inifinity is not supported by JSON format,
// use null
if (jfrObject instanceof Double) {
double expected = ((Double) jfrObject);
if (Double.isInfinite(expected) || Double.isNaN(expected)) {
Asserts.assertEquals("null", jsonText);
return;
}
double value = Double.parseDouble(jsonText);
Asserts.assertEquals(expected, value);
return;
}
// Float.NaN / Float.Inifinity is not supported by JSON format,
// use null
if (jfrObject instanceof Float) {
float expected = ((Float) jfrObject);
if (Float.isInfinite(expected) || Float.isNaN(expected)) {
Asserts.assertEquals("null", jsonText);
return;
}
float value = Float.parseFloat(jsonText);
Asserts.assertEquals(expected, value);
return;
}
if (jfrObject instanceof Integer) {
Integer expected = ((Integer) jfrObject);
double value = Double.parseDouble(jsonText);
Asserts.assertEquals(expected.doubleValue(), value);
return;
}
if (jfrObject instanceof Long) {
Long expected = ((Long) jfrObject);
double value = Double.parseDouble(jsonText);
Asserts.assertEquals(expected.doubleValue(), value);
return;
}
String jfrText = String.valueOf(jfrObject);
Asserts.assertEquals(jfrText, jsonText, "Primitive values don't match. JSON = " + jsonText);
}
}
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