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/*
* Copyright 2017, OpenCensus Authors
*
* 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 io.opencensus.trace.propagation;
import static com.google.common.truth.Truth.assertThat;
import io.opencensus.trace.SpanContext;
import java.text.ParseException;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.junit.runners.JUnit4;
/** Unit tests for {@link BinaryFormat}. */
@RunWith(JUnit4.class)
public class BinaryFormatTest {
private static final BinaryFormat binaryFormat = BinaryFormat.getNoopBinaryFormat();
@Test(expected = NullPointerException.class)
public void toBinaryValue_NullSpanContext() {
binaryFormat.toBinaryValue(null);
}
@Test
public void toBinaryValue_NotNullSpanContext() {
assertThat(binaryFormat.toBinaryValue(SpanContext.INVALID)).isEqualTo(new byte[0]);
}
@Test(expected = NullPointerException.class)
public void toByteArray_NullSpanContext() {
binaryFormat.toByteArray(null);
}
@Test
public void toByteArray_NotNullSpanContext() {
assertThat(binaryFormat.toByteArray(SpanContext.INVALID)).isEqualTo(new byte[0]);
}
@Test(expected = NullPointerException.class)
public void fromBinaryValue_NullInput() throws ParseException {
binaryFormat.fromBinaryValue(null);
}
@Test
public void fromBinaryValue_NotNullInput() throws ParseException {
assertThat(binaryFormat.fromBinaryValue(new byte[0])).isEqualTo(SpanContext.INVALID);
}
@Test(expected = NullPointerException.class)
public void fromByteArray_NullInput() throws SpanContextParseException {
binaryFormat.fromByteArray(null);
}
@Test
public void fromByteArray_NotNullInput() throws SpanContextParseException {
assertThat(binaryFormat.fromByteArray(new byte[0])).isEqualTo(SpanContext.INVALID);
}
}
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