// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.components.embedder_support.util;
import org.jni_zero.CalledByNative;
import java.io.IOException;
import java.io.InputStream;
class InputStreamUnittest {
private InputStreamUnittest() {}
@CalledByNative
static InputStream getEmptyStream() {
return new InputStream() {
@Override
public int read() {
return -1;
}
};
}
@CalledByNative
static InputStream getThrowingStream() {
return new InputStream() {
@Override
public int available() throws IOException {
throw new IOException();
}
@Override
public void close() throws IOException {
throw new IOException();
}
@Override
public long skip(long n) throws IOException {
throw new IOException();
}
@Override
public int read() throws IOException {
throw new IOException();
}
};
}
@CalledByNative
static InputStream getCountingStream(final int size) {
return new InputStream() {
private int mCount;
@Override
public int read() {
if (mCount < size) {
return mCount++ % 256;
} else {
return -1;
}
}
};
}
}