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-rw-r--r--api/src/test/java/io/opencensus/common/DurationTest.java152
-rw-r--r--api/src/test/java/io/opencensus/common/FunctionsTest.java64
-rw-r--r--api/src/test/java/io/opencensus/common/ServerStatsEncodingTest.java155
-rw-r--r--api/src/test/java/io/opencensus/common/ServerStatsFieldEnumsTest.java56
-rw-r--r--api/src/test/java/io/opencensus/common/ServerStatsTest.java78
-rw-r--r--api/src/test/java/io/opencensus/common/TimeUtilsTest.java60
-rw-r--r--api/src/test/java/io/opencensus/common/TimestampTest.java217
7 files changed, 782 insertions, 0 deletions
diff --git a/api/src/test/java/io/opencensus/common/DurationTest.java b/api/src/test/java/io/opencensus/common/DurationTest.java
new file mode 100644
index 00000000..ea636ca0
--- /dev/null
+++ b/api/src/test/java/io/opencensus/common/DurationTest.java
@@ -0,0 +1,152 @@
+/*
+ * 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.common;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Unit tests for {@link Duration}. */
+@RunWith(JUnit4.class)
+public class DurationTest {
+ @Rule public ExpectedException thrown = ExpectedException.none();
+
+ @Test
+ public void testDurationCreate() {
+ assertThat(Duration.create(24, 42).getSeconds()).isEqualTo(24);
+ assertThat(Duration.create(24, 42).getNanos()).isEqualTo(42);
+ assertThat(Duration.create(-24, -42).getSeconds()).isEqualTo(-24);
+ assertThat(Duration.create(-24, -42).getNanos()).isEqualTo(-42);
+ assertThat(Duration.create(315576000000L, 999999999).getSeconds()).isEqualTo(315576000000L);
+ assertThat(Duration.create(315576000000L, 999999999).getNanos()).isEqualTo(999999999);
+ assertThat(Duration.create(-315576000000L, -999999999).getSeconds()).isEqualTo(-315576000000L);
+ assertThat(Duration.create(-315576000000L, -999999999).getNanos()).isEqualTo(-999999999);
+ }
+
+ @Test
+ public void create_SecondsTooLow() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'seconds' is less than minimum (-315576000000): -315576000001");
+ Duration.create(-315576000001L, 0);
+ }
+
+ @Test
+ public void create_SecondsTooHigh() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'seconds' is greater than maximum (315576000000): 315576000001");
+ Duration.create(315576000001L, 0);
+ }
+
+ @Test
+ public void create_NanosTooLow() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'nanos' is less than minimum (-999999999): -1000000000");
+ Duration.create(0, -1000000000);
+ }
+
+ @Test
+ public void create_NanosTooHigh() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'nanos' is greater than maximum (999999999): 1000000000");
+ Duration.create(0, 1000000000);
+ }
+
+ @Test
+ public void create_NegativeSecondsPositiveNanos() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'seconds' and 'nanos' have inconsistent sign: seconds=-1, nanos=1");
+ Duration.create(-1, 1);
+ }
+
+ @Test
+ public void create_PositiveSecondsNegativeNanos() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'seconds' and 'nanos' have inconsistent sign: seconds=1, nanos=-1");
+ Duration.create(1, -1);
+ }
+
+ @Test
+ public void testDurationFromMillis() {
+ assertThat(Duration.fromMillis(0)).isEqualTo(Duration.create(0, 0));
+ assertThat(Duration.fromMillis(987)).isEqualTo(Duration.create(0, 987000000));
+ assertThat(Duration.fromMillis(3456)).isEqualTo(Duration.create(3, 456000000));
+ }
+
+ @Test
+ public void testDurationFromMillisNegative() {
+ assertThat(Duration.fromMillis(-1)).isEqualTo(Duration.create(0, -1000000));
+ assertThat(Duration.fromMillis(-999)).isEqualTo(Duration.create(0, -999000000));
+ assertThat(Duration.fromMillis(-1000)).isEqualTo(Duration.create(-1, 0));
+ assertThat(Duration.fromMillis(-3456)).isEqualTo(Duration.create(-3, -456000000));
+ }
+
+ @Test
+ public void fromMillis_TooLow() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'seconds' is less than minimum (-315576000000): -315576000001");
+ Duration.fromMillis(-315576000001000L);
+ }
+
+ @Test
+ public void fromMillis_TooHigh() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'seconds' is greater than maximum (315576000000): 315576000001");
+ Duration.fromMillis(315576000001000L);
+ }
+
+ @Test
+ public void duration_CompareLength() {
+ assertThat(Duration.create(0, 0).compareTo(Duration.create(0, 0))).isEqualTo(0);
+ assertThat(Duration.create(24, 42).compareTo(Duration.create(24, 42))).isEqualTo(0);
+ assertThat(Duration.create(-24, -42).compareTo(Duration.create(-24, -42))).isEqualTo(0);
+ assertThat(Duration.create(25, 42).compareTo(Duration.create(24, 42))).isEqualTo(1);
+ assertThat(Duration.create(24, 45).compareTo(Duration.create(24, 42))).isEqualTo(1);
+ assertThat(Duration.create(24, 42).compareTo(Duration.create(25, 42))).isEqualTo(-1);
+ assertThat(Duration.create(24, 42).compareTo(Duration.create(24, 45))).isEqualTo(-1);
+ assertThat(Duration.create(-24, -45).compareTo(Duration.create(-24, -42))).isEqualTo(-1);
+ assertThat(Duration.create(-24, -42).compareTo(Duration.create(-25, -42))).isEqualTo(1);
+ assertThat(Duration.create(24, 42).compareTo(Duration.create(-24, -42))).isEqualTo(1);
+ }
+
+ @Test
+ public void testDurationEqual() {
+ // Positive tests.
+ assertThat(Duration.create(0, 0)).isEqualTo(Duration.create(0, 0));
+ assertThat(Duration.create(24, 42)).isEqualTo(Duration.create(24, 42));
+ assertThat(Duration.create(-24, -42)).isEqualTo(Duration.create(-24, -42));
+ // Negative tests.
+ assertThat(Duration.create(25, 42)).isNotEqualTo(Duration.create(24, 42));
+ assertThat(Duration.create(24, 43)).isNotEqualTo(Duration.create(24, 42));
+ assertThat(Duration.create(-25, -42)).isNotEqualTo(Duration.create(-24, -42));
+ assertThat(Duration.create(-24, -43)).isNotEqualTo(Duration.create(-24, -42));
+ }
+
+ @Test
+ public void toMillis() {
+ assertThat(Duration.create(10, 0).toMillis()).isEqualTo(10000L);
+ assertThat(Duration.create(10, 1000).toMillis()).isEqualTo(10000L);
+ assertThat(Duration.create(0, (int) 1e6).toMillis()).isEqualTo(1L);
+ assertThat(Duration.create(0, 0).toMillis()).isEqualTo(0L);
+ assertThat(Duration.create(-10, 0).toMillis()).isEqualTo(-10000L);
+ assertThat(Duration.create(-10, -1000).toMillis()).isEqualTo(-10000L);
+ assertThat(Duration.create(0, -(int) 1e6).toMillis()).isEqualTo(-1L);
+ }
+}
diff --git a/api/src/test/java/io/opencensus/common/FunctionsTest.java b/api/src/test/java/io/opencensus/common/FunctionsTest.java
new file mode 100644
index 00000000..55d58d4d
--- /dev/null
+++ b/api/src/test/java/io/opencensus/common/FunctionsTest.java
@@ -0,0 +1,64 @@
+/*
+ * 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.common;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Tests for {@link Functions}. */
+@RunWith(JUnit4.class)
+public class FunctionsTest {
+ @Rule public ExpectedException thrown = ExpectedException.none();
+
+ @Test
+ public void testReturnNull() {
+ assertThat(Functions.returnNull().apply("ignored")).isNull();
+ }
+
+ @Test
+ public void testReturnConstant() {
+ assertThat(Functions.returnConstant(123).apply("ignored")).isEqualTo(123);
+ }
+
+ @Test
+ public void testReturnToString() {
+ assertThat(Functions.returnToString().apply("input")).isEqualTo("input");
+ assertThat(Functions.returnToString().apply(Boolean.FALSE)).isEqualTo("false");
+ assertThat(Functions.returnToString().apply(Double.valueOf(123.45))).isEqualTo("123.45");
+ assertThat(Functions.returnToString().apply(null)).isEqualTo(null);
+ }
+
+ @Test
+ public void testThrowIllegalArgumentException() {
+ Function<Object, Void> f = Functions.throwIllegalArgumentException();
+ thrown.expect(IllegalArgumentException.class);
+ f.apply("ignored");
+ }
+
+ @Test
+ public void testThrowAssertionError() {
+ Function<Object, Void> f = Functions.throwAssertionError();
+ thrown.handleAssertionErrors();
+ thrown.expect(AssertionError.class);
+ f.apply("ignored");
+ }
+}
diff --git a/api/src/test/java/io/opencensus/common/ServerStatsEncodingTest.java b/api/src/test/java/io/opencensus/common/ServerStatsEncodingTest.java
new file mode 100644
index 00000000..6db14a79
--- /dev/null
+++ b/api/src/test/java/io/opencensus/common/ServerStatsEncodingTest.java
@@ -0,0 +1,155 @@
+/*
+ * Copyright 2018, 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.common;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Unit tests for {@link ServerStatsEncoding}. */
+@RunWith(JUnit4.class)
+public class ServerStatsEncodingTest {
+
+ @Rule public final ExpectedException thrown = ExpectedException.none();
+
+ @Test
+ public void encodeDecodeTest() throws ServerStatsDeserializationException {
+ ServerStats serverStatsToBeEncoded = null;
+ ServerStats serverStatsDecoded = null;
+ byte[] serialized = null;
+
+ serverStatsToBeEncoded = ServerStats.create(31, 22, (byte) 1);
+ serialized = ServerStatsEncoding.toBytes(serverStatsToBeEncoded);
+ serverStatsDecoded = ServerStatsEncoding.parseBytes(serialized);
+ assertThat(serverStatsDecoded).isEqualTo(serverStatsToBeEncoded);
+
+ serverStatsToBeEncoded = ServerStats.create(0, 22, (byte) 0);
+ serialized = ServerStatsEncoding.toBytes(serverStatsToBeEncoded);
+ serverStatsDecoded = ServerStatsEncoding.parseBytes(serialized);
+ assertThat(serverStatsDecoded).isEqualTo(serverStatsToBeEncoded);
+
+ serverStatsToBeEncoded = ServerStats.create(450, 0, (byte) 0);
+ serialized = ServerStatsEncoding.toBytes(serverStatsToBeEncoded);
+ serverStatsDecoded = ServerStatsEncoding.parseBytes(serialized);
+ assertThat(serverStatsDecoded).isEqualTo(serverStatsToBeEncoded);
+ }
+
+ @Test
+ public void skipUnknownFieldTest() throws ServerStatsDeserializationException {
+ ServerStats serverStatsToBeEncoded = null;
+ ServerStats serverStatsDecoded = null;
+ byte[] serialized = null;
+
+ serverStatsToBeEncoded = ServerStats.create(31, 22, (byte) 1);
+ serialized = ServerStatsEncoding.toBytes(serverStatsToBeEncoded);
+
+ // Add new field at the end.
+ byte[] serializedExpanded = new byte[serialized.length + 9];
+ System.arraycopy(serialized, 0, serializedExpanded, 0, serialized.length);
+ final ByteBuffer bb = ByteBuffer.wrap(serializedExpanded);
+ bb.order(ByteOrder.LITTLE_ENDIAN);
+ bb.position(serialized.length);
+ bb.put((byte) 255);
+ bb.putLong(0L);
+ byte[] newSerialized = bb.array();
+
+ serverStatsDecoded = ServerStatsEncoding.parseBytes(newSerialized);
+ assertThat(serverStatsDecoded).isEqualTo(serverStatsToBeEncoded);
+ }
+
+ @Test
+ public void negativeLbLatencyValueTest() throws ServerStatsDeserializationException {
+ ServerStats serverStatsToBeEncoded = null;
+ ServerStats serverStatsDecoded = null;
+ byte[] serialized = null;
+
+ serverStatsToBeEncoded = ServerStats.create(31, 22, (byte) 1);
+ serialized = ServerStatsEncoding.toBytes(serverStatsToBeEncoded);
+
+ // update serialized byte[] with negative value for lbLatency.
+ final ByteBuffer bb = ByteBuffer.wrap(serialized);
+ bb.order(ByteOrder.LITTLE_ENDIAN);
+ bb.position(2);
+ bb.putLong(-100L);
+
+ byte[] newSerialized = bb.array();
+ thrown.expect(ServerStatsDeserializationException.class);
+ thrown.expectMessage("Serialized ServiceStats contains invalid values");
+ ServerStatsEncoding.parseBytes(newSerialized);
+ }
+
+ @Test
+ public void negativeServerLatencyValueTest() throws ServerStatsDeserializationException {
+ ServerStats serverStatsToBeEncoded = null;
+ ServerStats serverStatsDecoded = null;
+ byte[] serialized = null;
+
+ serverStatsToBeEncoded = ServerStats.create(31, 22, (byte) 1);
+ serialized = ServerStatsEncoding.toBytes(serverStatsToBeEncoded);
+
+ // update serialized byte[] with negative value for serviceLatency.
+ final ByteBuffer bb = ByteBuffer.wrap(serialized);
+ bb.order(ByteOrder.LITTLE_ENDIAN);
+ bb.position(11);
+ bb.putLong(-101L);
+
+ byte[] newSerialized = bb.array();
+ thrown.expect(ServerStatsDeserializationException.class);
+ thrown.expectMessage("Serialized ServiceStats contains invalid values");
+ ServerStatsEncoding.parseBytes(newSerialized);
+ }
+
+ @Test
+ public void emptySerializedBuffer() throws ServerStatsDeserializationException {
+ final ByteBuffer bb = ByteBuffer.allocate(0);
+ bb.order(ByteOrder.LITTLE_ENDIAN);
+
+ byte[] newSerialized = bb.array();
+ thrown.expect(ServerStatsDeserializationException.class);
+ thrown.expectMessage("Serialized ServerStats buffer is empty");
+ ServerStatsEncoding.parseBytes(newSerialized);
+ }
+
+ @Test
+ public void invalidNegativeVersion() throws ServerStatsDeserializationException {
+ final ByteBuffer bb = ByteBuffer.allocate(10);
+ bb.order(ByteOrder.LITTLE_ENDIAN);
+ bb.put((byte) -1);
+ byte[] newSerialized = bb.array();
+ thrown.expect(ServerStatsDeserializationException.class);
+ thrown.expectMessage("Invalid ServerStats version: -1");
+ ServerStatsEncoding.parseBytes(newSerialized);
+ }
+
+ @Test
+ public void invalidCompatibleVersion() throws ServerStatsDeserializationException {
+ final ByteBuffer bb = ByteBuffer.allocate(10);
+ bb.order(ByteOrder.LITTLE_ENDIAN);
+ bb.put((byte) (ServerStatsEncoding.CURRENT_VERSION + 1));
+ byte[] newSerialized = bb.array();
+ thrown.expect(ServerStatsDeserializationException.class);
+ thrown.expectMessage(
+ "Invalid ServerStats version: " + (ServerStatsEncoding.CURRENT_VERSION + 1));
+ ServerStatsEncoding.parseBytes(newSerialized);
+ }
+}
diff --git a/api/src/test/java/io/opencensus/common/ServerStatsFieldEnumsTest.java b/api/src/test/java/io/opencensus/common/ServerStatsFieldEnumsTest.java
new file mode 100644
index 00000000..ed786f6c
--- /dev/null
+++ b/api/src/test/java/io/opencensus/common/ServerStatsFieldEnumsTest.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2018, 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.common;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import io.opencensus.common.ServerStatsFieldEnums.Id;
+import io.opencensus.common.ServerStatsFieldEnums.Size;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Unit tests for {@link ServerStatsFieldEnums}. */
+@RunWith(JUnit4.class)
+public class ServerStatsFieldEnumsTest {
+
+ @Test
+ public void enumIdValueOfTest() {
+ assertThat(Id.valueOf(0)).isEqualTo(Id.SERVER_STATS_LB_LATENCY_ID);
+ assertThat(Id.valueOf(1)).isEqualTo(Id.SERVER_STATS_SERVICE_LATENCY_ID);
+ assertThat(Id.valueOf(2)).isEqualTo(Id.SERVER_STATS_TRACE_OPTION_ID);
+ }
+
+ @Test
+ public void enumIdInvalidValueOfTest() {
+ assertThat(Id.valueOf(-1)).isNull();
+ assertThat(Id.valueOf(Id.values().length)).isNull();
+ assertThat(Id.valueOf(Id.values().length + 1)).isNull();
+ }
+
+ @Test
+ public void enumSizeValueTest() {
+ assertThat(Size.SERVER_STATS_LB_LATENCY_SIZE.value()).isEqualTo(8);
+ assertThat(Size.SERVER_STATS_SERVICE_LATENCY_SIZE.value()).isEqualTo(8);
+ assertThat(Size.SERVER_STATS_TRACE_OPTION_SIZE.value()).isEqualTo(1);
+ }
+
+ @Test
+ public void totalSizeTest() {
+ assertThat(ServerStatsFieldEnums.getTotalSize()).isEqualTo(20);
+ }
+}
diff --git a/api/src/test/java/io/opencensus/common/ServerStatsTest.java b/api/src/test/java/io/opencensus/common/ServerStatsTest.java
new file mode 100644
index 00000000..620bbb4f
--- /dev/null
+++ b/api/src/test/java/io/opencensus/common/ServerStatsTest.java
@@ -0,0 +1,78 @@
+/*
+ * Copyright 2018, 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.common;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Unit tests for {@link ServerStats}. */
+@RunWith(JUnit4.class)
+public class ServerStatsTest {
+
+ @Rule public ExpectedException thrown = ExpectedException.none();
+
+ @Test
+ public void serverStatsCreate() {
+ ServerStats serverStats = null;
+
+ serverStats = ServerStats.create(31, 22, (byte) 0);
+ assertThat(serverStats.getLbLatencyNs()).isEqualTo(31);
+ assertThat(serverStats.getServiceLatencyNs()).isEqualTo(22);
+ assertThat(serverStats.getTraceOption()).isEqualTo((byte) 0);
+
+ serverStats = ServerStats.create(1000011L, 900022L, (byte) 1);
+ assertThat(serverStats.getLbLatencyNs()).isEqualTo(1000011L);
+ assertThat(serverStats.getServiceLatencyNs()).isEqualTo(900022L);
+ assertThat(serverStats.getTraceOption()).isEqualTo((byte) 1);
+
+ serverStats = ServerStats.create(0, 22, (byte) 0);
+ assertThat(serverStats.getLbLatencyNs()).isEqualTo(0);
+ assertThat(serverStats.getServiceLatencyNs()).isEqualTo(22);
+ assertThat(serverStats.getTraceOption()).isEqualTo((byte) 0);
+
+ serverStats = ServerStats.create(1010, 0, (byte) 0);
+ assertThat(serverStats.getLbLatencyNs()).isEqualTo(1010);
+ assertThat(serverStats.getServiceLatencyNs()).isEqualTo(0);
+ assertThat(serverStats.getTraceOption()).isEqualTo((byte) 0);
+ }
+
+ @Test
+ public void create_LbLatencyNegative() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'getLbLatencyNs' is less than zero");
+ ServerStats.create(-1L, 100, (byte) 0);
+ }
+
+ @Test
+ public void create_ServerLatencyNegative() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'getServiceLatencyNs' is less than zero");
+ ServerStats.create(100L, -1L, (byte) 0);
+ }
+
+ @Test
+ public void create_LbLatencyAndServerLatencyNegative() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'getLbLatencyNs' is less than zero");
+ ServerStats.create(-100L, -1L, (byte) 0);
+ }
+}
diff --git a/api/src/test/java/io/opencensus/common/TimeUtilsTest.java b/api/src/test/java/io/opencensus/common/TimeUtilsTest.java
new file mode 100644
index 00000000..d6228566
--- /dev/null
+++ b/api/src/test/java/io/opencensus/common/TimeUtilsTest.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2018, 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.common;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Tests for {@link TimeUtils}. */
+@RunWith(JUnit4.class)
+public final class TimeUtilsTest {
+
+ @Rule public ExpectedException thrown = ExpectedException.none();
+
+ @Test
+ public void compareLongs() {
+ assertThat(TimeUtils.compareLongs(-1L, 1L)).isLessThan(0);
+ assertThat(TimeUtils.compareLongs(10L, 10L)).isEqualTo(0);
+ assertThat(TimeUtils.compareLongs(1L, 0L)).isGreaterThan(0);
+ }
+
+ @Test
+ public void checkedAdd_TooLow() {
+ thrown.expect(ArithmeticException.class);
+ thrown.expectMessage("Long sum overflow: x=-9223372036854775807, y=-2");
+ TimeUtils.checkedAdd(Long.MIN_VALUE + 1, -2);
+ }
+
+ @Test
+ public void checkedAdd_TooHigh() {
+ thrown.expect(ArithmeticException.class);
+ thrown.expectMessage("Long sum overflow: x=9223372036854775806, y=2");
+ TimeUtils.checkedAdd(Long.MAX_VALUE - 1, 2);
+ }
+
+ @Test
+ public void checkedAdd_Valid() {
+ assertThat(TimeUtils.checkedAdd(1, 2)).isEqualTo(3);
+ assertThat(TimeUtils.checkedAdd(Integer.MAX_VALUE, Integer.MAX_VALUE))
+ .isEqualTo(2L * Integer.MAX_VALUE);
+ }
+}
diff --git a/api/src/test/java/io/opencensus/common/TimestampTest.java b/api/src/test/java/io/opencensus/common/TimestampTest.java
new file mode 100644
index 00000000..b193b3c8
--- /dev/null
+++ b/api/src/test/java/io/opencensus/common/TimestampTest.java
@@ -0,0 +1,217 @@
+/*
+ * 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.common;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.ExpectedException;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+
+/** Unit tests for {@link Timestamp}. */
+@RunWith(JUnit4.class)
+public class TimestampTest {
+ @Rule public ExpectedException thrown = ExpectedException.none();
+
+ @Test
+ public void timestampCreate() {
+ assertThat(Timestamp.create(24, 42).getSeconds()).isEqualTo(24);
+ assertThat(Timestamp.create(24, 42).getNanos()).isEqualTo(42);
+ assertThat(Timestamp.create(-24, 42).getSeconds()).isEqualTo(-24);
+ assertThat(Timestamp.create(-24, 42).getNanos()).isEqualTo(42);
+ assertThat(Timestamp.create(315576000000L, 999999999).getSeconds()).isEqualTo(315576000000L);
+ assertThat(Timestamp.create(315576000000L, 999999999).getNanos()).isEqualTo(999999999);
+ assertThat(Timestamp.create(-315576000000L, 999999999).getSeconds()).isEqualTo(-315576000000L);
+ assertThat(Timestamp.create(-315576000000L, 999999999).getNanos()).isEqualTo(999999999);
+ }
+
+ @Test
+ public void create_SecondsTooLow() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'seconds' is less than minimum (-315576000000): -315576000001");
+ Timestamp.create(-315576000001L, 0);
+ }
+
+ @Test
+ public void create_SecondsTooHigh() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'seconds' is greater than maximum (315576000000): 315576000001");
+ Timestamp.create(315576000001L, 0);
+ }
+
+ @Test
+ public void create_NanosTooLow_PositiveTime() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'nanos' is less than zero: -1");
+ Timestamp.create(1, -1);
+ }
+
+ @Test
+ public void create_NanosTooHigh_PositiveTime() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'nanos' is greater than maximum (999999999): 1000000000");
+ Timestamp.create(1, 1000000000);
+ }
+
+ @Test
+ public void create_NanosTooLow_NegativeTime() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'nanos' is less than zero: -1");
+ Timestamp.create(-1, -1);
+ }
+
+ @Test
+ public void create_NanosTooHigh_NegativeTime() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'nanos' is greater than maximum (999999999): 1000000000");
+ Timestamp.create(-1, 1000000000);
+ }
+
+ @Test
+ public void timestampFromMillis() {
+ assertThat(Timestamp.fromMillis(0)).isEqualTo(Timestamp.create(0, 0));
+ assertThat(Timestamp.fromMillis(987)).isEqualTo(Timestamp.create(0, 987000000));
+ assertThat(Timestamp.fromMillis(3456)).isEqualTo(Timestamp.create(3, 456000000));
+ }
+
+ @Test
+ public void timestampFromMillis_Negative() {
+ assertThat(Timestamp.fromMillis(-1)).isEqualTo(Timestamp.create(-1, 999000000));
+ assertThat(Timestamp.fromMillis(-999)).isEqualTo(Timestamp.create(-1, 1000000));
+ assertThat(Timestamp.fromMillis(-3456)).isEqualTo(Timestamp.create(-4, 544000000));
+ }
+
+ @Test
+ public void fromMillis_TooLow() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'seconds' is less than minimum (-315576000000): -315576000001");
+ Timestamp.fromMillis(-315576000001000L);
+ }
+
+ @Test
+ public void fromMillis_TooHigh() {
+ thrown.expect(IllegalArgumentException.class);
+ thrown.expectMessage("'seconds' is greater than maximum (315576000000): 315576000001");
+ Timestamp.fromMillis(315576000001000L);
+ }
+
+ @Test
+ public void timestampAddNanos() {
+ Timestamp timestamp = Timestamp.create(1234, 223);
+ assertThat(timestamp.addNanos(0)).isEqualTo(timestamp);
+ assertThat(timestamp.addNanos(999999777)).isEqualTo(Timestamp.create(1235, 0));
+ assertThat(timestamp.addNanos(1300200500)).isEqualTo(Timestamp.create(1235, 300200723));
+ assertThat(timestamp.addNanos(1999999777)).isEqualTo(Timestamp.create(1236, 0));
+ assertThat(timestamp.addNanos(9876543789L)).isEqualTo(Timestamp.create(1243, 876544012));
+ assertThat(timestamp.addNanos(Long.MAX_VALUE))
+ .isEqualTo(Timestamp.create(1234L + 9223372036L, 223 + 854775807));
+ }
+
+ @Test
+ public void timestampAddNanos_Negative() {
+ Timestamp timestamp = Timestamp.create(1234, 223);
+ assertThat(timestamp.addNanos(-223)).isEqualTo(Timestamp.create(1234, 0));
+ assertThat(timestamp.addNanos(-1000000223)).isEqualTo(Timestamp.create(1233, 0));
+ assertThat(timestamp.addNanos(-1300200500)).isEqualTo(Timestamp.create(1232, 699799723));
+ assertThat(timestamp.addNanos(-4123456213L)).isEqualTo(Timestamp.create(1229, 876544010));
+ assertThat(timestamp.addNanos(Long.MIN_VALUE))
+ .isEqualTo(Timestamp.create(1234L - 9223372036L - 1, 223 + 145224192));
+ }
+
+ @Test
+ public void timestampAddDuration() {
+ Timestamp timestamp = Timestamp.create(1234, 223);
+ assertThat(timestamp.addDuration(Duration.create(1, 0))).isEqualTo(Timestamp.create(1235, 223));
+ assertThat(timestamp.addDuration(Duration.create(0, 1))).isEqualTo(Timestamp.create(1234, 224));
+ assertThat(timestamp.addDuration(Duration.create(1, 1))).isEqualTo(Timestamp.create(1235, 224));
+ assertThat(timestamp.addDuration(Duration.create(1, 999999900)))
+ .isEqualTo(Timestamp.create(1236, 123));
+ }
+
+ @Test
+ public void timestampAddDuration_Negative() {
+ Timestamp timestamp = Timestamp.create(1234, 223);
+ assertThat(timestamp.addDuration(Duration.create(-1234, -223)))
+ .isEqualTo(Timestamp.create(0, 0));
+ assertThat(timestamp.addDuration(Duration.create(-1, 0)))
+ .isEqualTo(Timestamp.create(1233, 223));
+ assertThat(timestamp.addDuration(Duration.create(-1, -1)))
+ .isEqualTo(Timestamp.create(1233, 222));
+ assertThat(timestamp.addDuration(Duration.create(-1, -323)))
+ .isEqualTo(Timestamp.create(1232, 999999900));
+ assertThat(timestamp.addDuration(Duration.create(-33, -999999999)))
+ .isEqualTo(Timestamp.create(1200, 224));
+ }
+
+ @Test
+ public void timestampSubtractTimestamp() {
+ Timestamp timestamp = Timestamp.create(1234, 223);
+ assertThat(timestamp.subtractTimestamp(Timestamp.create(0, 0)))
+ .isEqualTo(Duration.create(1234, 223));
+ assertThat(timestamp.subtractTimestamp(Timestamp.create(1233, 223)))
+ .isEqualTo(Duration.create(1, 0));
+ assertThat(timestamp.subtractTimestamp(Timestamp.create(1233, 222)))
+ .isEqualTo(Duration.create(1, 1));
+ assertThat(timestamp.subtractTimestamp(Timestamp.create(1232, 999999900)))
+ .isEqualTo(Duration.create(1, 323));
+ assertThat(timestamp.subtractTimestamp(Timestamp.create(1200, 224)))
+ .isEqualTo(Duration.create(33, 999999999));
+ }
+
+ @Test
+ public void timestampSubtractTimestamp_NegativeResult() {
+ Timestamp timestamp = Timestamp.create(1234, 223);
+ assertThat(timestamp.subtractTimestamp(Timestamp.create(1235, 223)))
+ .isEqualTo(Duration.create(-1, 0));
+ assertThat(timestamp.subtractTimestamp(Timestamp.create(1234, 224)))
+ .isEqualTo(Duration.create(0, -1));
+ assertThat(timestamp.subtractTimestamp(Timestamp.create(1235, 224)))
+ .isEqualTo(Duration.create(-1, -1));
+ assertThat(timestamp.subtractTimestamp(Timestamp.create(1236, 123)))
+ .isEqualTo(Duration.create(-1, -999999900));
+ }
+
+ @Test
+ public void timestamp_CompareTo() {
+ assertThat(Timestamp.create(0, 0).compareTo(Timestamp.create(0, 0))).isEqualTo(0);
+ assertThat(Timestamp.create(24, 42).compareTo(Timestamp.create(24, 42))).isEqualTo(0);
+ assertThat(Timestamp.create(-24, 42).compareTo(Timestamp.create(-24, 42))).isEqualTo(0);
+ assertThat(Timestamp.create(25, 42).compareTo(Timestamp.create(24, 42))).isEqualTo(1);
+ assertThat(Timestamp.create(24, 45).compareTo(Timestamp.create(24, 42))).isEqualTo(1);
+ assertThat(Timestamp.create(24, 42).compareTo(Timestamp.create(25, 42))).isEqualTo(-1);
+ assertThat(Timestamp.create(24, 42).compareTo(Timestamp.create(24, 45))).isEqualTo(-1);
+ assertThat(Timestamp.create(-25, 42).compareTo(Timestamp.create(-24, 42))).isEqualTo(-1);
+ assertThat(Timestamp.create(-24, 45).compareTo(Timestamp.create(-24, 42))).isEqualTo(1);
+ assertThat(Timestamp.create(-24, 42).compareTo(Timestamp.create(-25, 42))).isEqualTo(1);
+ assertThat(Timestamp.create(-24, 42).compareTo(Timestamp.create(-24, 45))).isEqualTo(-1);
+ }
+
+ @Test
+ public void timestamp_Equal() {
+ // Positive tests.
+ assertThat(Timestamp.create(0, 0)).isEqualTo(Timestamp.create(0, 0));
+ assertThat(Timestamp.create(24, 42)).isEqualTo(Timestamp.create(24, 42));
+ assertThat(Timestamp.create(-24, 42)).isEqualTo(Timestamp.create(-24, 42));
+ // Negative tests.
+ assertThat(Timestamp.create(25, 42)).isNotEqualTo(Timestamp.create(24, 42));
+ assertThat(Timestamp.create(24, 43)).isNotEqualTo(Timestamp.create(24, 42));
+ assertThat(Timestamp.create(-25, 42)).isNotEqualTo(Timestamp.create(-24, 42));
+ assertThat(Timestamp.create(-24, 43)).isNotEqualTo(Timestamp.create(-24, 42));
+ }
+}