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// Copyright 2014 The Bazel Authors. All rights reserved.
//
// 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.google.devtools.build.lib.util.io;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertSame;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
import java.io.ByteArrayOutputStream;
/**
* Tests {@link OutErr}.
*/
@RunWith(JUnit4.class)
public class OutErrTest {
private ByteArrayOutputStream out = new ByteArrayOutputStream();
private ByteArrayOutputStream err = new ByteArrayOutputStream();
private OutErr outErr = OutErr.create(out, err);
@Test
public void testRetainsOutErr() {
assertSame(out, outErr.getOutputStream());
assertSame(err, outErr.getErrorStream());
}
@Test
public void testPrintsToOut() {
outErr.printOut("Hello, world.");
assertEquals("Hello, world.", new String(out.toByteArray()));
}
@Test
public void testPrintsToErr() {
outErr.printErr("Hello, moon.");
assertEquals("Hello, moon.", new String(err.toByteArray()));
}
@Test
public void testPrintsToOutWithANewline() {
outErr.printOutLn("With a newline.");
assertEquals("With a newline.\n", new String(out.toByteArray()));
}
@Test
public void testPrintsToErrWithANewline(){
outErr.printErrLn("With a newline.");
assertEquals("With a newline.\n", new String(err.toByteArray()));
}
@Test
public void testPrintsTwoLinesToOut() {
outErr.printOutLn("line 1");
outErr.printOutLn("line 2");
assertEquals("line 1\nline 2\n", new String(out.toByteArray()));
}
@Test
public void testPrintsTwoLinesToErr() {
outErr.printErrLn("line 1");
outErr.printErrLn("line 2");
assertEquals("line 1\nline 2\n", new String(err.toByteArray()));
}
}
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