| /* |
| * Copyright (C) 2017 The Android Open Source Project |
| * |
| * 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 android.util; |
| |
| import static org.junit.Assert.assertTrue; |
| |
| import android.os.Trace; |
| |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * Tests for {@link TimingsTraceLog}. |
| * <p>Usage: bit FrameworksCoreTests:android.util.TimingsTraceLogTest |
| */ |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class TimingsTraceLogTest { |
| |
| @Test |
| public void testDifferentThreads() throws Exception { |
| TimingsTraceLog log = new TimingsTraceLog("TEST", Trace.TRACE_TAG_APP); |
| // Should be able to log on the same thread |
| log.traceBegin("test"); |
| log.traceEnd(); |
| final List<String> errors = new ArrayList<>(); |
| // Calling from a different thread should fail |
| Thread t = new Thread(() -> { |
| try { |
| log.traceBegin("test"); |
| errors.add("traceBegin should fail on a different thread"); |
| } catch (IllegalStateException expected) { |
| } |
| try { |
| log.traceEnd(); |
| errors.add("traceEnd should fail on a different thread"); |
| } catch (IllegalStateException expected) { |
| } |
| // Verify that creating a new log will work |
| TimingsTraceLog log2 = new TimingsTraceLog("TEST", Trace.TRACE_TAG_APP); |
| log2.traceBegin("test"); |
| log2.traceEnd(); |
| |
| }); |
| t.start(); |
| t.join(); |
| assertTrue(errors.toString(), errors.isEmpty()); |
| } |
| |
| } |