1/* 2 * Copyright (C) 2014 Square, Inc. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16package okio; 17 18import java.io.ByteArrayInputStream; 19import java.io.ByteArrayOutputStream; 20import java.io.InputStream; 21import java.util.Arrays; 22import org.junit.Test; 23 24import static okio.Util.UTF_8; 25import static org.junit.Assert.assertEquals; 26import static org.junit.Assert.fail; 27 28public final class OkioTest { 29 @Test public void sinkFromOutputStream() throws Exception { 30 OkBuffer data = new OkBuffer(); 31 data.writeUtf8("a"); 32 data.writeUtf8(repeat('b', 9998)); 33 data.writeUtf8("c"); 34 35 ByteArrayOutputStream out = new ByteArrayOutputStream(); 36 Sink sink = Okio.sink(out); 37 sink.write(data, 3); 38 assertEquals("abb", out.toString("UTF-8")); 39 sink.write(data, data.size()); 40 assertEquals("a" + repeat('b', 9998) + "c", out.toString("UTF-8")); 41 } 42 43 @Test public void sourceFromInputStream() throws Exception { 44 InputStream in = new ByteArrayInputStream( 45 ("a" + repeat('b', Segment.SIZE * 2) + "c").getBytes(UTF_8)); 46 47 // Source: ab...bc 48 Source source = Okio.source(in); 49 OkBuffer sink = new OkBuffer(); 50 51 // Source: b...bc. Sink: abb. 52 assertEquals(3, source.read(sink, 3)); 53 assertEquals("abb", sink.readUtf8(3)); 54 55 // Source: b...bc. Sink: b...b. 56 assertEquals(Segment.SIZE, source.read(sink, 20000)); 57 assertEquals(repeat('b', Segment.SIZE), sink.readUtf8(sink.size())); 58 59 // Source: b...bc. Sink: b...bc. 60 assertEquals(Segment.SIZE - 1, source.read(sink, 20000)); 61 assertEquals(repeat('b', Segment.SIZE - 2) + "c", sink.readUtf8(sink.size())); 62 63 // Source and sink are empty. 64 assertEquals(-1, source.read(sink, 1)); 65 } 66 67 @Test public void sourceFromInputStreamBounds() throws Exception { 68 Source source = Okio.source(new ByteArrayInputStream(new byte[100])); 69 try { 70 source.read(new OkBuffer(), -1); 71 fail(); 72 } catch (IllegalArgumentException expected) { 73 } 74 } 75 76 private String repeat(char c, int count) { 77 char[] array = new char[count]; 78 Arrays.fill(array, c); 79 return new String(array); 80 } 81} 82