diff options
Diffstat (limited to 'tests/src/com/android/providers/downloads/FakeInputStream.java')
-rw-r--r-- | tests/src/com/android/providers/downloads/FakeInputStream.java | 58 |
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; + } + } +} |