1 files changed, 103 insertions, 0 deletions
diff --git a/mobile/android/geckoview/src/androidTest/java/org/mozilla/geckoview/test/TestContentProvider.java b/mobile/android/geckoview/src/androidTest/java/org/mozilla/geckoview/test/TestContentProvider.java
new file mode 100644
index 0000000000..787448a859
--- /dev/null
+++ b/mobile/android/geckoview/src/androidTest/java/org/mozilla/geckoview/test/TestContentProvider.java
@@ -0,0 +1,103 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+package org.mozilla.geckoview.test;
+
+import android.content.ContentProvider;
+import android.content.ContentValues;
+import android.database.Cursor;
+import android.net.Uri;
+import android.os.ParcelFileDescriptor;
+import android.os.ParcelFileDescriptor.AutoCloseOutputStream;
+import android.util.Log;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+
+/** TestContentProvider provides any data via content resolver by content:// */
+public class TestContentProvider extends ContentProvider {
+  private static final String LOGTAG = "TestContentProvider";
+  private static byte[] sTestData;
+  private static String sMimeType;
+
+  @Override
+  public boolean onCreate() {
+    return true;
+  }
+
+  @Override
+  public String getType(final Uri uri) {
+    return sMimeType;
+  }
+
+  @Override
+  public Cursor query(
+      final Uri uri,
+      final String[] projection,
+      final String selection,
+      final String[] selectionArgs,
+      final String sortOrder) {
+    return null;
+  }
+
+  @Override
+  public Uri insert(final Uri uri, final ContentValues values) {
+    return null;
+  }
+
+  @Override
+  public int delete(final Uri uri, final String selection, final String[] selectionArgs) {
+    return 0;
+  }
+
+  @Override
+  public int update(
+      final Uri uri,
+      final ContentValues values,
+      final String selection,
+      final String[] selectionArgs) {
+    return 0;
+  }
+
+  @Override
+  public ParcelFileDescriptor openFile(final Uri uri, final String mode)
+      throws FileNotFoundException {
+    if (sTestData == null) {
+      throw new FileNotFoundException("No test data for: " + uri);
+    }
+
+    ParcelFileDescriptor[] pipe = null;
+    AutoCloseOutputStream outputStream = null;
+
+    try {
+      try {
+        pipe = ParcelFileDescriptor.createPipe();
+        outputStream = new AutoCloseOutputStream(pipe[1]);
+        outputStream.write(sTestData);
+        outputStream.flush();
+        return pipe[0];
+      } finally {
+        if (outputStream != null) {
+          outputStream.close();
+        }
+        if (pipe != null && pipe[1] != null) {
+          pipe[1].close();
+        }
+      }
+    } catch (IOException e) {
+      Log.e(LOGTAG, "openFile throws an I/O exception: ", e);
+    }
+
+    throw new FileNotFoundException("Could not open uri for: " + uri);
+  }
+
+  /**
+   * Set test data that is used from content resolver.
+   *
+   * @param data test data
+   * @param mimeType A mime type of test data.
+   */
+  public static void setTestData(final byte[] data, final String mimeType) {
+    sTestData = data;
+    sMimeType = mimeType;
+  }
+}