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/*
* Copyright 2019 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.perfmark.java9;
import static org.junit.Assert.assertEquals;
import io.perfmark.impl.Generator;
import io.perfmark.impl.Mark;
import io.perfmark.impl.MarkHolder;
import io.perfmark.testing.MarkHolderTest;
import java.util.List;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
@RunWith(JUnit4.class)
public class VarHandleMarkHolderTest extends MarkHolderTest {
private final long gen = 1L << Generator.GEN_OFFSET;
@Override
protected MarkHolder getMarkHolder() {
return new VarHandleMarkHolder();
}
@Test
public void read_getsAllButLastIfNotWriter() {
MarkHolder mh = getMarkHolder();
int events = mh.maxMarks() - 1;
for (int i = 0; i < events; i++) {
mh.start(gen, "task", 3);
}
List<Mark> marks = mh.read(true);
assertEquals(events - 1, marks.size());
}
@Test
public void read_getsAllIfNotWriterButNoWrap() {
MarkHolder mh = getMarkHolder();
int events = mh.maxMarks() - 2;
for (int i = 0; i < events; i++) {
mh.start(gen, "task", 3);
}
List<Mark> marks = mh.read(true);
assertEquals(events, marks.size());
}
}
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