diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_10.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_10.xml
new file mode 100644
index 0000000000000..791f587a98fa4
--- /dev/null
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_10.xml
@@ -0,0 +1,43 @@
+
+
+
+
+
+
+
diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_100.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_100.xml
new file mode 100644
index 0000000000000..cca4a525b5e1b
--- /dev/null
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_100.xml
@@ -0,0 +1,26 @@
+
+
+
+
diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_1000.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_1000.xml
new file mode 100644
index 0000000000000..bb9fc5e6aa7fd
--- /dev/null
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_1000.xml
@@ -0,0 +1,26 @@
+
+
+
+
diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_10000.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_10000.xml
new file mode 100644
index 0000000000000..e0e58789a3c77
--- /dev/null
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_10000.xml
@@ -0,0 +1,26 @@
+
+
+
+
diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_100000.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_100000.xml
new file mode 100644
index 0000000000000..4f668058e59a2
--- /dev/null
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_100000.xml
@@ -0,0 +1,26 @@
+
+
+
+
diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_300.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_300.xml
new file mode 100644
index 0000000000000..d3a4040a39102
--- /dev/null
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_300.xml
@@ -0,0 +1,26 @@
+
+
+
+
diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_5.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_5.xml
new file mode 100644
index 0000000000000..c7982e7693946
--- /dev/null
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_5.xml
@@ -0,0 +1,42 @@
+
+
+
+
+
+
diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_50.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_50.xml
new file mode 100644
index 0000000000000..b009889948366
--- /dev/null
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_50.xml
@@ -0,0 +1,26 @@
+
+
+
+
diff --git a/apct-tests/perftests/core/res/layout/test_autosize_textview_500.xml b/apct-tests/perftests/core/res/layout/test_autosize_textview_500.xml
new file mode 100644
index 0000000000000..f59d7511b5d85
--- /dev/null
+++ b/apct-tests/perftests/core/res/layout/test_autosize_textview_500.xml
@@ -0,0 +1,26 @@
+
+
+
+
diff --git a/apct-tests/perftests/core/res/layout/test_basic_textview_layout.xml b/apct-tests/perftests/core/res/layout/test_basic_textview_layout.xml
new file mode 100644
index 0000000000000..bc60ad4a41a0f
--- /dev/null
+++ b/apct-tests/perftests/core/res/layout/test_basic_textview_layout.xml
@@ -0,0 +1,20 @@
+
+
+
diff --git a/apct-tests/perftests/core/res/values/strings.xml b/apct-tests/perftests/core/res/values/strings.xml
new file mode 100644
index 0000000000000..5d1f6f01dcb1e
--- /dev/null
+++ b/apct-tests/perftests/core/res/values/strings.xml
@@ -0,0 +1,31 @@
+
+
+
+
+ text text text text text text text text text text text text
+ text text text text text text text text text text text text text text text text
+ text text text text text text text text text text text text text text text text
+ text text text text text text text text text text text text text text text text
+ text text text text text text text text text text text text text text text text
+ text text text text text text text text text text text text text text text text
+ text text text text text text text typo text text text text text text text text
+ text text text text text text text text text text text text text text text text
+ text text text text text text text text text text text text text text text text
+ text text text text text text text text text text text text text text text text
+ text text text text text text text text text text text text text text text text
+ text text text text text text text text text text text text
+
diff --git a/apct-tests/perftests/core/src/android/widget/TextViewAutoSizeLayoutPerfTest.java b/apct-tests/perftests/core/src/android/widget/TextViewAutoSizeLayoutPerfTest.java
new file mode 100644
index 0000000000000..6ee6f70db3ca9
--- /dev/null
+++ b/apct-tests/perftests/core/src/android/widget/TextViewAutoSizeLayoutPerfTest.java
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2016 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.widget;
+
+import android.app.Activity;
+import android.os.Looper;
+import android.os.Bundle;
+import android.perftests.utils.PerfStatusReporter;
+import android.util.Log;
+import android.view.View;
+
+import android.perftests.utils.BenchmarkState;
+import android.perftests.utils.StubActivity;
+import android.support.test.filters.LargeTest;
+import android.support.test.runner.AndroidJUnit4;
+import android.support.test.rule.ActivityTestRule;
+import android.support.test.InstrumentationRegistry;
+
+import com.android.perftests.core.R;
+
+import java.util.Locale;
+import java.util.Collection;
+import java.util.Arrays;
+
+import org.junit.Test;
+import org.junit.Rule;
+import org.junit.runners.Parameterized;
+import org.junit.runners.Parameterized.Parameters;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.assertTrue;
+
+@LargeTest
+@RunWith(Parameterized.class)
+public class TextViewAutoSizeLayoutPerfTest {
+ @Parameters(name = "{0}")
+ public static Collection layouts() {
+ return Arrays.asList(new Object[][] {
+ { "Basic TextView - no autosize", R.layout.test_basic_textview_layout},
+ { "Autosize TextView 5 sizes", R.layout.test_autosize_textview_5},
+ { "Autosize TextView 10 sizes", R.layout.test_autosize_textview_10},
+ { "Autosize TextView 50 sizes", R.layout.test_autosize_textview_50},
+ { "Autosize TextView 100 sizes", R.layout.test_autosize_textview_100},
+ { "Autosize TextView 300 sizes", R.layout.test_autosize_textview_300},
+ { "Autosize TextView 500 sizes", R.layout.test_autosize_textview_500},
+ { "Autosize TextView 1000 sizes", R.layout.test_autosize_textview_1000},
+ { "Autosize TextView 10000 sizes", R.layout.test_autosize_textview_10000},
+ { "Autosize TextView 100000 sizes", R.layout.test_autosize_textview_100000}
+ });
+ }
+
+ private int mLayoutId;
+
+ public TextViewAutoSizeLayoutPerfTest(String key, int layoutId) {
+ mLayoutId = layoutId;
+ }
+
+ @Rule
+ public ActivityTestRule mActivityRule =
+ new ActivityTestRule(StubActivity.class);
+
+ @Rule
+ public PerfStatusReporter mPerfStatusReporter = new PerfStatusReporter();
+
+ @Test
+ public void testConstruction() throws Throwable {
+ mActivityRule.runOnUiThread(() -> {
+ assertTrue("We should be running on the main thread",
+ Looper.getMainLooper().getThread() == Thread.currentThread());
+ assertTrue("We should be running on the main thread",
+ Looper.myLooper() == Looper.getMainLooper());
+ BenchmarkState state = mPerfStatusReporter.getBenchmarkState();
+ Activity activity = mActivityRule.getActivity();
+ activity.setContentView(mLayoutId);
+
+ while (state.keepRunning()) {
+ TextView textView = new TextView(activity);
+ // TextView#onMeasure() gets called, which triggers TextView#autoSizeText()
+ // which is the method we want to benchmark.
+ textView.requestLayout();
+ }
+ });
+ }
+}