1 files changed, 94 insertions, 0 deletions
diff --git a/tests/tests/security/src/android/security/cts/WallpaperManagerTest.java b/tests/tests/security/src/android/security/cts/WallpaperManagerTest.java
new file mode 100644
index 00000000000..fda462b9cd5
--- /dev/null
+++ b/tests/tests/security/src/android/security/cts/WallpaperManagerTest.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2021 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.security.cts;
+
+import static android.view.Display.DEFAULT_DISPLAY;
+import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
+
+import android.Manifest;
+import android.app.WallpaperManager;
+import android.content.Context;
+import android.graphics.Rect;
+import android.hardware.display.DisplayManager;
+import android.platform.test.annotations.AsbSecurityTest;
+import android.view.Display;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+
+import com.android.compatibility.common.util.CtsAndroidTestCase;
+
+import org.junit.After;
+import org.junit.Before;
+
+public class WallpaperManagerTest extends CtsAndroidTestCase {
+
+    @Before
+    public void setUp() {
+        InstrumentationRegistry
+                .getInstrumentation()
+                .getUiAutomation()
+                .adoptShellPermissionIdentity(Manifest.permission.SET_WALLPAPER_HINTS);
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        InstrumentationRegistry.getInstrumentation().getUiAutomation()
+                .dropShellPermissionIdentity();
+    }
+
+    // b/204316511
+    @AsbSecurityTest(cveBugId = 204316511)
+    public void testSetDisplayPadding() {
+        WallpaperManager wallpaperManager = WallpaperManager.getInstance(getContext());
+
+        Rect validRect = new Rect(1, 1, 1, 1);
+        // This should work, no exception expected
+        wallpaperManager.setDisplayPadding(validRect);
+
+        Rect negativeRect = new Rect(-1, 0 , 0, 0);
+        try {
+            wallpaperManager.setDisplayPadding(negativeRect);
+            fail("setDisplayPadding should fail for a Rect with negative values");
+        } catch (IllegalArgumentException e) {
+            // Expected exception
+        }
+
+        DisplayManager dm = getContext().getSystemService(DisplayManager.class);
+        Display primaryDisplay = dm.getDisplay(DEFAULT_DISPLAY);
+        Context windowContext = getContext().createWindowContext(primaryDisplay,
+                TYPE_APPLICATION, null);
+        Display display = windowContext.getDisplay();
+
+        Rect tooWideRect = new Rect(0, 0, display.getMaximumSizeDimension() + 1, 0);
+        try {
+            wallpaperManager.setDisplayPadding(tooWideRect);
+            fail("setDisplayPadding should fail for a Rect width larger than "
+                    + display.getMaximumSizeDimension());
+        } catch (IllegalArgumentException e) {
+            // Expected exception
+        }
+
+        Rect tooHighRect = new Rect(0, 0, 0, display.getMaximumSizeDimension() + 1);
+        try {
+            wallpaperManager.setDisplayPadding(tooHighRect);
+            fail("setDisplayPadding should fail for a Rect height larger than "
+                    + display.getMaximumSizeDimension());
+        } catch (IllegalArgumentException e) {
+            // Expected exception
+        }
+    }
+}