Merge "[view compiler] Add test coverage for layouts compiled from APK"

startop/view_compiler/dex_builder_test/Android.bp

@@ -37,15 +37,21 @@ genrule {
 android_test {
     name: "dex-builder-test",
     srcs: [
+        "src/android/startop/test/ApkLayoutCompilerTest.java",
         "src/android/startop/test/DexBuilderTest.java",
         "src/android/startop/test/LayoutCompilerTest.java",
         "src/android/startop/test/TestClass.java",
     ],
     sdk_version: "current",
-    data: [":generate_dex_testcases", ":generate_compiled_layout1", ":generate_compiled_layout2"],
+    data: [
+        ":generate_dex_testcases",
+        ":generate_compiled_layout1",
+        ":generate_compiled_layout2",
+    ],
     static_libs: [
-        "androidx.test.rules",
-        "guava",
+        "androidx.test.core",
+        "androidx.test.runner",
+        "junit",
     ],
     manifest: "AndroidManifest.xml",
     resource_dirs: ["res"],

startop/view_compiler/dex_builder_test/src/android/startop/test/ApkLayoutCompilerTest.java

@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2019 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.startop.test;
+
+import android.content.Context;
+import androidx.test.InstrumentationRegistry;
+import android.view.View;
+import dalvik.system.PathClassLoader;
+import java.lang.reflect.Method;
+import org.junit.Assert;
+import org.junit.BeforeClass;
+import org.junit.Test;
+
+public class ApkLayoutCompilerTest {
+    static ClassLoader loadDexFile() throws Exception {
+        Context context = InstrumentationRegistry.getTargetContext();
+        return new PathClassLoader(context.getCodeCacheDir() + "/compiled_view.dex",
+                ClassLoader.getSystemClassLoader());
+    }
+
+    @BeforeClass
+    public static void setup() throws Exception {
+        // ensure PackageManager has compiled the layouts.
+        Process pm = Runtime.getRuntime().exec("pm compile --compile-layouts android.startop.test");
+        pm.waitFor();
+    }
+
+    @Test
+    public void loadAndInflateLayout1() throws Exception {
+        ClassLoader dex_file = loadDexFile();
+        Class compiled_view = dex_file.loadClass("android.startop.test.CompiledView");
+        Method layout1 = compiled_view.getMethod("layout1", Context.class, int.class);
+        Context context = InstrumentationRegistry.getTargetContext();
+        layout1.invoke(null, context, R.layout.layout1);
+    }
+
+    @Test
+    public void loadAndInflateLayout2() throws Exception {
+        ClassLoader dex_file = loadDexFile();
+        Class compiled_view = dex_file.loadClass("android.startop.test.CompiledView");
+        Method layout2 = compiled_view.getMethod("layout2", Context.class, int.class);
+        Context context = InstrumentationRegistry.getTargetContext();
+        layout2.invoke(null, context, R.layout.layout2);
+    }
+}

startop/view_compiler/dex_builder_test/src/android/startop/test/DexBuilderTest.java

@@ -14,8 +14,11 @@
 
 package android.startop.test;
 
+import android.content.Context;
+import androidx.test.InstrumentationRegistry;
 import dalvik.system.PathClassLoader;
-
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
 import org.junit.Assert;
 import org.junit.Test;
 

startop/view_compiler/dex_builder_test/src/android/startop/test/LayoutCompilerTest.java

@@ -15,11 +15,11 @@
 package android.startop.test;
 
 import android.content.Context;
-
 import androidx.test.InstrumentationRegistry;
-
+import android.view.View;
 import dalvik.system.PathClassLoader;
-
+import java.lang.reflect.Method;
+import org.junit.Assert;
 import org.junit.Test;
 
 import java.lang.reflect.Method;