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author | Yang Song <songy23@users.noreply.github.com> | 2017-11-09 13:59:08 -0800 |
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committer | GitHub <noreply@github.com> | 2017-11-09 13:59:08 -0800 |
commit | 5923bdbee2ea12ad9c4fa962b5adf526d9fe839d (patch) | |
tree | 5eac15ce4178a53c1deb212b050c59034a9a6cfc /impl_core/src/test/java/io/opencensus/implcore/stats/CurrentStatsStateTest.java | |
parent | 32cc8dd045a2502dffa792fd87ff9e994d8e7496 (diff) | |
download | opencensus-java-5923bdbee2ea12ad9c4fa962b5adf526d9fe839d.tar.gz |
Move implementation directories (#786)
* Move directories: core_impl to impl_core, core_impl_java to impl, core_impl_android to impl_lite.
Diffstat (limited to 'impl_core/src/test/java/io/opencensus/implcore/stats/CurrentStatsStateTest.java')
-rw-r--r-- | impl_core/src/test/java/io/opencensus/implcore/stats/CurrentStatsStateTest.java | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/impl_core/src/test/java/io/opencensus/implcore/stats/CurrentStatsStateTest.java b/impl_core/src/test/java/io/opencensus/implcore/stats/CurrentStatsStateTest.java new file mode 100644 index 00000000..2fd1ddc7 --- /dev/null +++ b/impl_core/src/test/java/io/opencensus/implcore/stats/CurrentStatsStateTest.java @@ -0,0 +1,65 @@ +/* + * 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.stats; + +import static com.google.common.truth.Truth.assertThat; + +import io.opencensus.stats.StatsCollectionState; +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 CurrentStatsState}. */ +@RunWith(JUnit4.class) +public final class CurrentStatsStateTest { + + @Rule public final ExpectedException thrown = ExpectedException.none(); + + @Test + public void defaultState() { + assertThat(new CurrentStatsState().get()).isEqualTo(StatsCollectionState.ENABLED); + } + + @Test + public void setState() { + CurrentStatsState state = new CurrentStatsState(); + assertThat(state.set(StatsCollectionState.DISABLED)).isTrue(); + assertThat(state.getInternal()).isEqualTo(StatsCollectionState.DISABLED); + assertThat(state.set(StatsCollectionState.ENABLED)).isTrue(); + assertThat(state.getInternal()).isEqualTo(StatsCollectionState.ENABLED); + assertThat(state.set(StatsCollectionState.ENABLED)).isFalse(); + } + + @Test + public void preventNull() { + CurrentStatsState state = new CurrentStatsState(); + thrown.expect(NullPointerException.class); + thrown.expectMessage("state"); + state.set(null); + } + + @Test + public void preventSettingStateAfterReadingState() { + CurrentStatsState state = new CurrentStatsState(); + state.get(); + thrown.expect(IllegalStateException.class); + thrown.expectMessage("State was already read, cannot set state."); + state.set(StatsCollectionState.DISABLED); + } +} |