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author | Julien Desprez <jdesprez@google.com> | 2018-10-22 11:42:32 -0700 |
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committer | android-build-merger <android-build-merger@google.com> | 2018-10-22 11:42:32 -0700 |
commit | 108d816db7cf4559963e6474a679af7a25d892ad (patch) | |
tree | ede84fcf0a9687d4907ae5f8a4788271d62e0922 /api/src/test/java/io/opencensus/trace/TraceIdTest.java | |
parent | cfbefd32336596ea63784607e4106dc37ce0567f (diff) | |
parent | 13217871fefa43f6d16fbb31b04e9904996d87d5 (diff) | |
download | opencensus-java-108d816db7cf4559963e6474a679af7a25d892ad.tar.gz |
Merge remote-tracking branch 'aosp/upstream-master' into merge am: dd3cabeacc am: 6fbc3cf5a1
am: 13217871fe
Change-Id: Icfe12d6db2f81a6f5c65241919b1d63fb665ffd6
Diffstat (limited to 'api/src/test/java/io/opencensus/trace/TraceIdTest.java')
-rw-r--r-- | api/src/test/java/io/opencensus/trace/TraceIdTest.java | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/api/src/test/java/io/opencensus/trace/TraceIdTest.java b/api/src/test/java/io/opencensus/trace/TraceIdTest.java new file mode 100644 index 00000000..c8b5dc8f --- /dev/null +++ b/api/src/test/java/io/opencensus/trace/TraceIdTest.java @@ -0,0 +1,93 @@ +/* + * Copyright 2016-17, 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; + +import static com.google.common.truth.Truth.assertThat; + +import com.google.common.testing.EqualsTester; +import java.util.Arrays; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.junit.runners.JUnit4; + +/** Unit tests for {@link TraceId}. */ +@RunWith(JUnit4.class) +public class TraceIdTest { + private static final byte[] firstBytes = + new byte[] {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'a'}; + private static final byte[] secondBytes = + new byte[] {(byte) 0xFF, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 'A'}; + private static final TraceId first = TraceId.fromBytes(firstBytes); + private static final TraceId second = TraceId.fromBytes(secondBytes); + + @Test + public void invalidTraceId() { + assertThat(TraceId.INVALID.getBytes()).isEqualTo(new byte[16]); + } + + @Test + public void isValid() { + assertThat(TraceId.INVALID.isValid()).isFalse(); + assertThat(first.isValid()).isTrue(); + assertThat(second.isValid()).isTrue(); + } + + @Test + public void getBytes() { + assertThat(first.getBytes()).isEqualTo(firstBytes); + assertThat(second.getBytes()).isEqualTo(secondBytes); + } + + @Test + public void fromLowerBase16() { + assertThat(TraceId.fromLowerBase16("00000000000000000000000000000000")) + .isEqualTo(TraceId.INVALID); + assertThat(TraceId.fromLowerBase16("00000000000000000000000000000061")).isEqualTo(first); + assertThat(TraceId.fromLowerBase16("ff000000000000000000000000000041")).isEqualTo(second); + } + + @Test + public void toLowerBase16() { + assertThat(TraceId.INVALID.toLowerBase16()).isEqualTo("00000000000000000000000000000000"); + assertThat(first.toLowerBase16()).isEqualTo("00000000000000000000000000000061"); + assertThat(second.toLowerBase16()).isEqualTo("ff000000000000000000000000000041"); + } + + @Test + public void traceId_CompareTo() { + assertThat(first.compareTo(second)).isGreaterThan(0); + assertThat(second.compareTo(first)).isLessThan(0); + assertThat(first.compareTo(TraceId.fromBytes(firstBytes))).isEqualTo(0); + } + + @Test + public void traceId_EqualsAndHashCode() { + EqualsTester tester = new EqualsTester(); + tester.addEqualityGroup(TraceId.INVALID, TraceId.INVALID); + tester.addEqualityGroup(first, TraceId.fromBytes(Arrays.copyOf(firstBytes, firstBytes.length))); + tester.addEqualityGroup( + second, TraceId.fromBytes(Arrays.copyOf(secondBytes, secondBytes.length))); + tester.testEquals(); + } + + @Test + public void traceId_ToString() { + assertThat(TraceId.INVALID.toString()).contains("00000000000000000000000000000000"); + assertThat(first.toString()).contains("00000000000000000000000000000061"); + assertThat(second.toString()).contains("ff000000000000000000000000000041"); + } +} |