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AutoLoadTest.java
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AutoLoadTest.java
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/*
* Copyright 2021 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 static org.junit.Assert.assertTrue;
import io.perfmark.PerfMark;
import io.perfmark.impl.MarkList;
import io.perfmark.impl.Storage;
import java.lang.reflect.Field;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/**
* Checks that auto loading this provider works.
*/
@RunWith(JUnit4.class)
public class AutoLoadTest {
@Test
public void autoLoad() throws Exception {
Storage.clearLocalStorage();
PerfMark.setEnabled(true);
PerfMark.startTask("hi");
PerfMark.stopTask("hi");
PerfMark.setEnabled(false);
MarkList markList = Storage.readForTest();
assertEquals(2, markList.size());
// Have to check after to ensure it loaded properly
Field field = Storage.class.getDeclaredField("markHolderProvider");
field.setAccessible(true);
assertTrue(field.get(null) instanceof SecretVarHandleMarkHolderProvider.VarHandleMarkHolderProvider);
}
}