@Test
public void sinkFromOutputStream() throws Exception {
Buffer data = new Buffer();
data.writeUtf8("a");
data.writeUtf8(repeat('b', 9998));
data.writeUtf8("c");
ByteArrayOutputStream out = new ByteArrayOutputStream();
Sink sink = Okio.sink(out);
sink.write(data, 3);
assertEquals("abb", out.toString("UTF-8"));
sink.write(data, data.size());
assertEquals("a" + repeat('b', 9998) + "c", out.toString("UTF-8"));
}
@Test
public void readExhaustedSource() throws Exception {
Buffer sink = new Buffer();
sink.writeUtf8(repeat('a', 10));
assertEquals(-1, source.read(sink, 10));
assertEquals(10, sink.size());
assertTrue(source.exhausted());
}
@Test
public void readZeroBytesFromSource() throws Exception {
Buffer sink = new Buffer();
sink.writeUtf8(repeat('a', 10));
// Either 0 or -1 is reasonable here. For consistency with Android's
// ByteArrayInputStream we return 0.
assertEquals(-1, source.read(sink, 0));
assertEquals(10, sink.size());
assertTrue(source.exhausted());
}
@Test
public void readFullyByteArray() throws IOException {
Buffer data = new Buffer();
data.writeUtf8("Hello").writeUtf8(repeat('e', Segment.SIZE));
byte[] expected = data.clone().readByteArray();
sink.write(data, data.size());
byte[] sink = new byte[Segment.SIZE + 5];
source.readFully(sink);
assertByteArraysEquals(expected, sink);
}