Add an interceptor for Reference.refersTo() am: fefe490752 am: 556e675266

Original change: https://android-review.googlesource.com/c/platform/external/robolectric-shadows/+/1987867

Change-Id: Ib628482c33d96a94a3a1894fd974121316d70031

1 files changed, 31 insertions, 0 deletions

diff --git a/robolectric/src/main/java/org/robolectric/android/AndroidInterceptors.java b/robolectric/src/main/java/org/robolectric/android/AndroidInterceptors.java
index 51ea2a779..c009fb0ec 100644
--- a/robolectric/src/main/java/org/robolectric/android/AndroidInterceptors.java
+++ b/robolectric/src/main/java/org/robolectric/android/AndroidInterceptors.java
@@ -9,6 +9,9 @@ import android.content.Context;
 import java.lang.invoke.MethodHandle;
 import java.lang.invoke.MethodHandles;
 import java.lang.invoke.MethodType;
+import java.lang.ref.Reference;
+import java.lang.ref.SoftReference;
+import java.lang.ref.WeakReference;
 import java.util.Collection;
 import java.util.LinkedHashMap;
 import java.util.Locale;
@@ -32,6 +35,7 @@ public class AndroidInterceptors {
         new SystemArrayCopyInterceptor(),
         new LocaleAdjustLanguageCodeInterceptor(),
         new SystemLogInterceptor(),
+        new ReferenceRefersToInterceptor(),
         new NoOpInterceptor()
     );
   }
@@ -238,6 +242,33 @@ public class AndroidInterceptors {
     }
   }
 
+  /** AndroidInterceptor for Reference.refersTo. */
+  public static class ReferenceRefersToInterceptor extends Interceptor {
+    private static final String METHOD = "refersTo";
+
+    public ReferenceRefersToInterceptor() {
+      super(
+          new MethodRef(WeakReference.class.getName(), METHOD),
+          new MethodRef(SoftReference.class.getName(), METHOD));
+    }
+
+    static boolean refersTo(Reference ref, Object obj) {
+      return ref.get() == obj;
+    }
+
+    @Override
+    public Function<Object, Object> handle(MethodSignature methodSignature) {
+      return (theClass, value, params) -> refersTo((Reference) value, params[0]);
+    }
+
+    @Override
+    public MethodHandle getMethodHandle(String methodName, MethodType type)
+            throws NoSuchMethodException, IllegalAccessException {
+      return lookup.findStatic(getClass(), METHOD,
+              methodType(boolean.class, Reference.class, Object.class));
+    }
+  }
+
   public static class NoOpInterceptor extends Interceptor {
     public NoOpInterceptor() {
       super(