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-rw-r--r--tests/src/com/android/providers/downloads/FakeInputStream.java58
1 files changed, 58 insertions, 0 deletions
diff --git a/tests/src/com/android/providers/downloads/FakeInputStream.java b/tests/src/com/android/providers/downloads/FakeInputStream.java
new file mode 100644
index 00000000..179ae6e9
--- /dev/null
+++ b/tests/src/com/android/providers/downloads/FakeInputStream.java
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2013 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 com.android.providers.downloads;
+
+import java.io.InputStream;
+import java.util.Arrays;
+
+/**
+ * Provides fake data for large transfers.
+ */
+public class FakeInputStream extends InputStream {
+ private long mRemaining;
+
+ public FakeInputStream(long length) {
+ mRemaining = length;
+ }
+
+ @Override
+ public int read() {
+ final int value;
+ if (mRemaining > 0) {
+ mRemaining--;
+ return 0;
+ } else {
+ return -1;
+ }
+ }
+
+ @Override
+ public int read(byte[] buffer, int offset, int length) {
+ Arrays.checkOffsetAndCount(buffer.length, offset, length);
+
+ if (length > mRemaining) {
+ length = (int) mRemaining;
+ }
+ mRemaining -= length;
+
+ if (length == 0) {
+ return -1;
+ } else {
+ return length;
+ }
+ }
+}