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An alternative Android testing framework.
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package org.robolectric.shadows;

import android.content.res.Configuration;
import android.graphics.Rect;
import android.os.Build;
import android.os.Looper;
import android.util.MergedConfiguration;
import android.view.Display;
import android.view.ViewRootImpl;
import org.robolectric.RuntimeEnvironment;
import org.robolectric.annotation.Implementation;
import org.robolectric.annotation.Implements;
import org.robolectric.annotation.RealObject;
import org.robolectric.shadow.api.Shadow;
import org.robolectric.util.ReflectionHelpers;
import org.robolectric.util.ReflectionHelpers.ClassParameter;

@Implements(value = ViewRootImpl.class, isInAndroidSdk = false)
public class ShadowViewRootImpl {

  @RealObject private ViewRootImpl realObject;

  @Implementation
  public static Object getWindowSession(Looper mainLooper) {
    return null;
  }

  @Implementation
  public void playSoundEffect(int effectId) {
  }

  public void callDispatchResized() {
    Display display = Shadow.newInstanceOf(Display.class);
    Rect frame = new Rect();
    display.getRectSize(frame);
    Rect zeroSizedRect = new Rect(0, 0, 0, 0);

    int apiLevel = RuntimeEnvironment.getApiLevel();
    ViewRootImpl component = realObject;
    if (apiLevel <= Build.VERSION_CODES.JELLY_BEAN) {
      ReflectionHelpers.callInstanceMethod(ViewRootImpl.class, component, "dispatchResized",
          ClassParameter.from(int.class, frame.width()),
          ClassParameter.from(int.class, frame.height()),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(boolean.class, true),
          ClassParameter.from(Configuration.class, null));
    } else if (apiLevel <= Build.VERSION_CODES.JELLY_BEAN_MR1) {
      ReflectionHelpers.callInstanceMethod(ViewRootImpl.class, component, "dispatchResized",
          ClassParameter.from(Rect.class, frame),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(boolean.class, true),
          ClassParameter.from(Configuration.class, null));
    } else if (apiLevel <= Build.VERSION_CODES.KITKAT) {
      ReflectionHelpers.callInstanceMethod(ViewRootImpl.class, component, "dispatchResized",
          ClassParameter.from(Rect.class, frame),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(boolean.class, true),
          ClassParameter.from(Configuration.class, null));
    } else if (apiLevel <= Build.VERSION_CODES.LOLLIPOP_MR1) {
      ReflectionHelpers.callInstanceMethod(ViewRootImpl.class, component, "dispatchResized",
          ClassParameter.from(Rect.class, frame),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(boolean.class, true),
          ClassParameter.from(Configuration.class, null));
    } else if (apiLevel <= Build.VERSION_CODES.M) {
      ReflectionHelpers.callInstanceMethod(ViewRootImpl.class, component, "dispatchResized",
          ClassParameter.from(Rect.class, frame),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(boolean.class, true),
          ClassParameter.from(Configuration.class, null));
    } else if (apiLevel <= Build.VERSION_CODES.N_MR1) {
      ReflectionHelpers.callInstanceMethod(ViewRootImpl.class, component, "dispatchResized",
          ClassParameter.from(Rect.class, frame),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(boolean.class, true),
          ClassParameter.from(Configuration.class, null),
          ClassParameter.from(Rect.class, frame),
          ClassParameter.from(boolean.class, false),
          ClassParameter.from(boolean.class, false));
    } else if (apiLevel == Build.VERSION_CODES.O) {
      ReflectionHelpers.callInstanceMethod(ViewRootImpl.class, component, "dispatchResized",
          ClassParameter.from(Rect.class, frame),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(Rect.class, zeroSizedRect),
          ClassParameter.from(boolean.class, true),
          ClassParameter.from(MergedConfiguration.class, null),
          ClassParameter.from(Rect.class, frame),
          ClassParameter.from(boolean.class, false),
          ClassParameter.from(boolean.class, false),
          ClassParameter.from(int.class, 0));
    } else {
      throw new RuntimeException("Could not find AndroidRuntimeAdapter for API level: " + apiLevel);
    }
  }
}