1 files changed, 40 insertions, 0 deletions
diff --git a/chromium/base/android/junit/src/org/chromium/base/util/GarbageCollectionTestUtilsUnitTest.java b/chromium/base/android/junit/src/org/chromium/base/util/GarbageCollectionTestUtilsUnitTest.java
new file mode 100644
index 00000000000..29e1f831bfc
--- /dev/null
+++ b/chromium/base/android/junit/src/org/chromium/base/util/GarbageCollectionTestUtilsUnitTest.java
@@ -0,0 +1,40 @@
+// Copyright 2019 The Chromium Authors
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.base.util;
+
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertTrue;
+
+import static org.chromium.base.GarbageCollectionTestUtils.canBeGarbageCollected;
+
+import android.graphics.Bitmap;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.robolectric.annotation.Config;
+
+import org.chromium.base.GarbageCollectionTestUtils;
+import org.chromium.base.test.BaseRobolectricTestRunner;
+
+import java.lang.ref.WeakReference;
+
+/**
+ * Tests for {@link GarbageCollectionTestUtils}.
+ */
+@RunWith(BaseRobolectricTestRunner.class)
+@Config(manifest = Config.NONE)
+public class GarbageCollectionTestUtilsUnitTest {
+    @Test
+    public void testCanBeGarbageCollected() {
+        Bitmap bitmap = Bitmap.createBitmap(1, 2, Bitmap.Config.ARGB_8888);
+        WeakReference<Bitmap> bitmapWeakReference = new WeakReference<>(bitmap);
+        assertNotNull(bitmapWeakReference.get());
+        assertFalse(canBeGarbageCollected(bitmapWeakReference));
+
+        bitmap = null;
+        assertTrue(canBeGarbageCollected(bitmapWeakReference));
+    }
+}