Add scroll for you feed benchmark

Change-Id: I19f1111977d8512f64fb56377a0d6dd8d53b942f

benchmark/src/main/java/com/google/samples/apps/nowinandroid/foryou/ScrollForYouFeedBenchmark.kt

@@ -0,0 +1,56 @@
+/*
+ * Copyright 2022 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
+ *  
+ *       https://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.google.samples.apps.nowinandroid.foryou
+
+import androidx.benchmark.macro.CompilationMode
+import androidx.benchmark.macro.FrameTimingMetric
+import androidx.benchmark.macro.StartupMode
+import androidx.benchmark.macro.junit4.MacrobenchmarkRule
+import androidx.test.internal.runner.junit4.AndroidJUnit4ClassRunner
+import com.google.samples.apps.nowinandroid.PACKAGE_NAME
+import org.junit.Rule
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidJUnit4ClassRunner::class)
+class ScrollForYouFeedBenchmark {
+    @get:Rule
+    val benchmarkRule = MacrobenchmarkRule()
+
+    @Test
+    fun scrollFeedCompilationNone() = scrollFeed(CompilationMode.None())
+
+    fun scrollFeedCompilationBaselineProfile() = scrollFeed(CompilationMode.Partial())
+
+    private fun scrollFeed(compilationMode: CompilationMode) = benchmarkRule.measureRepeated(
+        packageName = PACKAGE_NAME,
+        metrics = listOf(FrameTimingMetric()),
+        compilationMode = compilationMode,
+        iterations = 10,
+        startupMode = StartupMode.COLD,
+        setupBlock = {
+            // Start the app
+            pressHome()
+            startActivityAndWait()
+        }
+    ) {
+        forYouWaitForContent()
+        forYouSelectAuthors()
+        forYouScrollFeedDownUp()
+    }
+}
+