Examples with Snapshot io.dropwizard.metrics.Snapshot used on opensource projects

Example 6 with Snapshot

use of io.dropwizard.metrics.Snapshot in project light-4j by networknt.

the class UniformSnapshotTest method calculatesAStdDevOfZeroForASingletonSnapshot.

@Test
public void calculatesAStdDevOfZeroForASingletonSnapshot() throws Exception {
    final Snapshot singleItemSnapshot = new UniformSnapshot(new long[] { 1 });
    assertThat(singleItemSnapshot.getStdDev()).isZero();
}

Example 7 with Snapshot

use of io.dropwizard.metrics.Snapshot in project light-4j by networknt.

the class WeightedSnapshotTest method calculatesAStdDevOfZeroForASingletonSnapshot.

@Test
public void calculatesAStdDevOfZeroForASingletonSnapshot() throws Exception {
    final Snapshot singleItemSnapshot = new WeightedSnapshot(WeightedArray(new long[] { 1 }, new double[] { 1.0 }));
    assertThat(singleItemSnapshot.getStdDev()).isZero();
}

Example 8 with Snapshot

use of io.dropwizard.metrics.Snapshot in project light-4j by networknt.

the class WeightedSnapshotTest method calculatesAStdDevOfZeroForAnEmptySnapshot.

@Test
public void calculatesAStdDevOfZeroForAnEmptySnapshot() throws Exception {
    final Snapshot emptySnapshot = new WeightedSnapshot(WeightedArray(new long[] {}, new double[] {}));
    assertThat(emptySnapshot.getStdDev()).isZero();
}

Example 9 with Snapshot

use of io.dropwizard.metrics.Snapshot in project light-4j by networknt.

the class WeightedSnapshotTest method calculatesAMinOfZeroForAnEmptySnapshot.

@Test
public void calculatesAMinOfZeroForAnEmptySnapshot() throws Exception {
    final Snapshot emptySnapshot = new WeightedSnapshot(WeightedArray(new long[] {}, new double[] {}));
    assertThat(emptySnapshot.getMin()).isZero();
}

Example 10 with Snapshot

use of io.dropwizard.metrics.Snapshot in project light-4j by networknt.

the class WeightedSnapshotTest method expectNoOverflowForLowWeights.

@Test
public void expectNoOverflowForLowWeights() throws Exception {
    final Snapshot scatteredSnapshot = new WeightedSnapshot(WeightedArray(new long[] { 1, 2, 3 }, new double[] { Double.MIN_VALUE, Double.MIN_VALUE, Double.MIN_VALUE }));
    assertThat(scatteredSnapshot.getMean()).isEqualTo(2);
}