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c458c05801
The dark lord Gosling designed the Java package naming system so that ownership flows from the DNS system. Since we own the domain name registry.google, it seems only appropriate that we should use google.registry as our package name.
92 lines
3.1 KiB
Java
92 lines
3.1 KiB
Java
// Copyright 2016 The Domain Registry Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package google.registry.util;
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import static com.google.common.truth.Truth.assertThat;
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import static java.util.Arrays.asList;
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import com.google.common.collect.ImmutableSet;
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import google.registry.testing.ExceptionRule;
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import org.junit.Rule;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.junit.runners.JUnit4;
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import java.io.ByteArrayOutputStream;
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import java.io.OutputStream;
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/** Unit tests for {@link TeeOutputStream}. */
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@RunWith(JUnit4.class)
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public class TeeOutputStreamTest {
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@Rule
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public ExceptionRule thrown = new ExceptionRule();
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private final ByteArrayOutputStream outputA = new ByteArrayOutputStream();
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private final ByteArrayOutputStream outputB = new ByteArrayOutputStream();
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private final ByteArrayOutputStream outputC = new ByteArrayOutputStream();
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@Test
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public void testWrite_writesToMultipleStreams() throws Exception {
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// Write shared data using the tee output stream.
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try (OutputStream tee =
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new TeeOutputStream(asList(outputA, outputB, outputC))) {
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tee.write("hello ".getBytes());
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tee.write("hello world!".getBytes(), 6, 5);
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tee.write('!');
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}
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// Write some more data to the different streams - they should not have been closed.
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outputA.write("a".getBytes());
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outputB.write("b".getBytes());
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outputC.write("c".getBytes());
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// Check the results.
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assertThat(outputA.toString()).isEqualTo("hello world!a");
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assertThat(outputB.toString()).isEqualTo("hello world!b");
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assertThat(outputC.toString()).isEqualTo("hello world!c");
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}
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@Test
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@SuppressWarnings("resource")
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public void testConstructor_failsWithEmptyIterable() {
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thrown.expect(IllegalArgumentException.class);
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new TeeOutputStream(ImmutableSet.<OutputStream>of());
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}
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@Test
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public void testWriteInteger_failsAfterClose() throws Exception {
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OutputStream tee = new TeeOutputStream(asList(outputA));
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tee.close();
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thrown.expect(IllegalStateException.class, "outputstream closed");
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tee.write(1);
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}
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@Test
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public void testWriteByteArray_failsAfterClose() throws Exception {
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OutputStream tee = new TeeOutputStream(asList(outputA));
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tee.close();
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thrown.expect(IllegalStateException.class, "outputstream closed");
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tee.write("hello".getBytes());
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}
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@Test
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public void testWriteByteSubarray_failsAfterClose() throws Exception {
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OutputStream tee = new TeeOutputStream(asList(outputA));
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tee.close();
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thrown.expect(IllegalStateException.class, "outputstream closed");
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tee.write("hello".getBytes(), 1, 3);
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}
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}
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