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/*
* Copyright 2014 the original author or 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 org.gradle.performance.measure
import spock.lang.Specification
class DataSeriesTest extends Specification {
def "can calculate statistics for samples"() {
def v1 = DataAmount.kbytes(10)
def v2 = DataAmount.kbytes(20)
def v3 = DataAmount.kbytes(30)
def series = new DataSeries([v1, v2, v3])
expect:
series.average == v2
series.median == v2
series.min == v1
series.max == v3
series.standardError == DataAmount.bytes(8360.92)
}
def "ignores null values"() {
def v1 = DataAmount.kbytes(10)
def v2 = DataAmount.kbytes(20)
def v3 = DataAmount.kbytes(30)
def series = new DataSeries([v1, v2, null, v3, null])
expect:
series.size() == 3
series.average == v2
series.average == v2
series.min == v1
series.max == v3
}
def "can be empty"() {
def series = new DataSeries([null, null])
expect:
series.empty
series.average == null
series.median == null
series.min == null
series.max == null
series.standardError == null
}
}
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