| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.beam.sdk.coders; |
| |
| import static org.hamcrest.Matchers.equalTo; |
| import static org.junit.Assert.assertThat; |
| |
| import java.math.BigInteger; |
| import org.apache.beam.sdk.testing.CoderProperties; |
| import org.apache.beam.sdk.testing.CoderProperties.TestElementByteSizeObserver; |
| import org.apache.beam.sdk.util.CoderUtils; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.ImmutableList; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.JUnit4; |
| |
| /** Test case for {@link BigIntegerCoder}. */ |
| @RunWith(JUnit4.class) |
| public class BigIntegerCoderTest { |
| |
| @Rule public ExpectedException thrown = ExpectedException.none(); |
| |
| private static final Coder<BigInteger> TEST_CODER = BigIntegerCoder.of(); |
| |
| private static final ImmutableList<BigInteger> TEST_VALUES = |
| ImmutableList.of( |
| BigInteger.valueOf(Integer.MIN_VALUE).subtract(BigInteger.valueOf(Integer.MAX_VALUE)), |
| BigInteger.valueOf(Integer.MIN_VALUE).subtract(BigInteger.ONE), |
| BigInteger.valueOf(-1), |
| BigInteger.ZERO, |
| BigInteger.valueOf(1), |
| BigInteger.valueOf(Integer.MAX_VALUE).add(BigInteger.ONE), |
| BigInteger.valueOf(Integer.MAX_VALUE).multiply(BigInteger.TEN)); |
| |
| @Test |
| public void testDecodeEncodeEqual() throws Exception { |
| for (BigInteger value : TEST_VALUES) { |
| CoderProperties.coderDecodeEncodeEqual(TEST_CODER, value); |
| } |
| } |
| |
| /** |
| * Generated data to check that the wire format has not changed. To regenerate, see {@link |
| * org.apache.beam.sdk.coders.PrintBase64Encodings}. |
| */ |
| private static final ImmutableList<String> TEST_ENCODINGS = |
| ImmutableList.of("_wAAAAE", "_3____8", "_w", "AA", "AQ", "AIAAAAA", "BP____Y"); |
| |
| @Test |
| public void testWireFormatEncode() throws Exception { |
| CoderProperties.coderEncodesBase64(TEST_CODER, TEST_VALUES, TEST_ENCODINGS); |
| } |
| |
| @Test |
| public void testGetEncodedElementByteSize() throws Exception { |
| TestElementByteSizeObserver observer = new TestElementByteSizeObserver(); |
| for (BigInteger value : TEST_VALUES) { |
| TEST_CODER.registerByteSizeObserver(value, observer); |
| observer.advance(); |
| assertThat( |
| observer.getSumAndReset(), |
| equalTo( |
| (long) CoderUtils.encodeToByteArray(TEST_CODER, value, Coder.Context.NESTED).length)); |
| } |
| } |
| |
| @Test |
| public void encodeNullThrowsCoderException() throws Exception { |
| thrown.expect(NullPointerException.class); |
| thrown.expectMessage("cannot encode a null BigInteger"); |
| |
| CoderUtils.encodeToBase64(TEST_CODER, null); |
| } |
| } |