diff options
Diffstat (limited to 'kamon-core/src/test/scala/kamon/metric/instrument/CounterSpec.scala')
-rw-r--r-- | kamon-core/src/test/scala/kamon/metric/instrument/CounterSpec.scala | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/kamon-core/src/test/scala/kamon/metric/instrument/CounterSpec.scala b/kamon-core/src/test/scala/kamon/metric/instrument/CounterSpec.scala deleted file mode 100644 index d5d651e5..00000000 --- a/kamon-core/src/test/scala/kamon/metric/instrument/CounterSpec.scala +++ /dev/null @@ -1,79 +0,0 @@ -/* - * ========================================================================================= - * Copyright © 2013-2015 the kamon project <http://kamon.io/> - * - * 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 kamon.metric.instrument - -import java.nio.LongBuffer - -import org.scalatest.{Matchers, WordSpec} - -class CounterSpec extends WordSpec with Matchers { - - "a Counter" should { - "allow increment only operations" in new CounterFixture { - counter.increment() - counter.increment(10) - - intercept[UnsupportedOperationException] { - counter.increment(-10) - } - } - - "reset to zero when a snapshot is taken" in new CounterFixture { - counter.increment(100) - takeSnapshotFrom(counter).count should be(100) - takeSnapshotFrom(counter).count should be(0) - takeSnapshotFrom(counter).count should be(0) - - counter.increment(50) - takeSnapshotFrom(counter).count should be(50) - takeSnapshotFrom(counter).count should be(0) - } - - "produce a snapshot that can be merged with others" in new CounterFixture { - val counterA = Counter() - val counterB = Counter() - counterA.increment(100) - counterB.increment(200) - - val counterASnapshot = takeSnapshotFrom(counterA) - val counterBSnapshot = takeSnapshotFrom(counterB) - - counterASnapshot.merge(counterBSnapshot, collectionContext).count should be(300) - counterBSnapshot.merge(counterASnapshot, collectionContext).count should be(300) - } - - "produce a snapshot that can be scaled" in new CounterFixture { - counter.increment(100) - - val counterSnapshot = takeSnapshotFrom(counter) - - val scaledSnapshot = counterSnapshot.scale(Time.Milliseconds, Time.Microseconds) - scaledSnapshot.count should be(100000) - } - - } - - trait CounterFixture { - val counter = Counter() - - val collectionContext = new CollectionContext { - val buffer: LongBuffer = LongBuffer.allocate(1) - } - - def takeSnapshotFrom(counter: Counter): Counter.Snapshot = counter.collect(collectionContext) - } -} |