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Diffstat (limited to 'impl_core/src/test/java/io/opencensus/implcore/internal/TimestampConverterTest.java')
-rw-r--r-- | impl_core/src/test/java/io/opencensus/implcore/internal/TimestampConverterTest.java | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/impl_core/src/test/java/io/opencensus/implcore/internal/TimestampConverterTest.java b/impl_core/src/test/java/io/opencensus/implcore/internal/TimestampConverterTest.java new file mode 100644 index 00000000..32a3e687 --- /dev/null +++ b/impl_core/src/test/java/io/opencensus/implcore/internal/TimestampConverterTest.java @@ -0,0 +1,51 @@ +/* + * 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.implcore.internal; + +import static com.google.common.truth.Truth.assertThat; +import static org.mockito.Mockito.when; + +import io.opencensus.common.Clock; +import io.opencensus.common.Timestamp; +import org.junit.Before; +import org.junit.Test; +import org.junit.runner.RunWith; +import org.junit.runners.JUnit4; +import org.mockito.Mock; +import org.mockito.MockitoAnnotations; + +/** Unit tests for {@link TimestampConverter}. */ +@RunWith(JUnit4.class) +public class TimestampConverterTest { + private final Timestamp timestamp = Timestamp.create(1234, 5678); + @Mock private Clock mockClock; + + @Before + public void setUp() { + MockitoAnnotations.initMocks(this); + } + + @Test + public void convertNanoTime() { + when(mockClock.now()).thenReturn(timestamp); + when(mockClock.nowNanos()).thenReturn(1234L); + TimestampConverter timeConverter = TimestampConverter.now(mockClock); + assertThat(timeConverter.convertNanoTime(6234)).isEqualTo(Timestamp.create(1234, 10678)); + assertThat(timeConverter.convertNanoTime(1000)).isEqualTo(Timestamp.create(1234, 5444)); + assertThat(timeConverter.convertNanoTime(999995556)).isEqualTo(Timestamp.create(1235, 0)); + } +} |