Merge "New TraceUtilsTest" into udc-dev am: dfc9cf33fb am: 3d05c9b7be (17875800) · Commits · e / os / android_frameworks_base

packages/SystemUI/shared/src/com/android/systemui/utils/TraceUtils.kt→packages/SystemUI/shared/src/com/android/systemui/util/TraceUtils.kt

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File moved.

packages/SystemUI/tests/src/com/android/systemui/util/TraceUtilsTest.kt

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		/*
		* Copyright (C) 2023 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 com.android.systemui.util

		import android.os.Handler
		import android.os.Looper
		import android.os.Trace.TRACE_TAG_APP
		import android.testing.AndroidTestingRunner
		import android.util.Log
		import androidx.test.filters.SmallTest
		import com.android.systemui.SysuiTestCase
		import org.junit.After
		import org.junit.Assert.assertThrows
		import org.junit.Before
		import org.junit.Ignore
		import org.junit.Test
		import org.junit.runner.RunWith

		@RunWith(AndroidTestingRunner::class)
		@SmallTest
		class TraceUtilsTest : SysuiTestCase() {

		companion object {
		private const val TAG = "TraceUtilsTest"
		private const val TEST_FAIL_TIMEOUT = 5000L

		// A string that is 128 characters long
		private const val SECTION_NAME_THATS_TOO_LONG =
		"123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_" +
		"123456789_123456789_123456789_123456789_12345678"
		}

		@Before
		fun setUp() {
		// Enable tracing via atrace in order to see the expected IllegalArgumentException. Trace
		// sections won't run if tracing is disabled.
		uiDevice.executeShellCommand("atrace --async_start -a com.android.*")
		}

		@After
		fun tearDown() {
		uiDevice.executeShellCommand("atrace --async_stop")
		}

		@Test
		fun testLongTraceSection_throws_whenUsingPublicAPI() {
		// Expects: "java.lang.IllegalArgumentException: sectionName is too long"
		assertThrows(IllegalArgumentException::class.java) {
		android.os.Trace.beginSection(SECTION_NAME_THATS_TOO_LONG)
		}
		}

		@Test
		fun testLongTraceSection_doesNotThrow_whenUsingPrivateAPI() {
		android.os.Trace.traceBegin(TRACE_TAG_APP, SECTION_NAME_THATS_TOO_LONG)
		}

		@Test
		@Ignore("b/267482189 - Enable once androidx.tracing >= 1.2.0-beta04")
		fun testLongTraceSection_doesNotThrow_whenUsingAndroidX() {
		androidx.tracing.Trace.beginSection(SECTION_NAME_THATS_TOO_LONG)
		}

		@Test
		fun testLongTraceSection_doesNotThrow_whenUsingHelper() {
		traceSection(SECTION_NAME_THATS_TOO_LONG) {
		Log.v(TAG, "com.android.systemui.util.traceSection() block.")
		}
		}

		@Test
		fun testLongTraceSection_doesNotThrow_whenUsedAsTraceNameSupplier() {
		Handler(Looper.getMainLooper())
		.runWithScissors(
		TraceUtils.namedRunnable(SECTION_NAME_THATS_TOO_LONG) {
		Log.v(TAG, "TraceUtils.namedRunnable() block.")
		},
		TEST_FAIL_TIMEOUT
		)
		}

		@Test
		fun testLongTraceSection_doesNotThrow_whenUsingTraceRunnable() {
		TraceUtils.traceRunnable(SECTION_NAME_THATS_TOO_LONG) {
		Log.v(TAG, "TraceUtils.traceRunnable() block.")
		}
		}
		}