android_webview/unittestjava/src/org/chromium/android_webview/unittest/InputStreamUnittest.java

// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package org.chromium.android_webview.unittest;

import org.chromium.base.CalledByNative;

import java.io.InputStream;
import java.io.IOException;

class InputStreamUnittest {
  private InputStreamUnittest() {
  }

  @CalledByNative
  static InputStream getEmptyStream() {
      return new InputStream() {
          @Override
          public int read() {
              return -1;
          }
      };
  }

  @CalledByNative
  static InputStream getCountingStream(final int size) {
      return new InputStream() {
          private int count = 0;

          @Override
          public int read() {
              if (count < size)
                  return count++ % 256;
              else
                  return -1;
          }
      };
  }
}