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CloudWatchUtilsTest.java
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/
CloudWatchUtilsTest.java
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/**
* Copyright 2017 Pivotal Software, Inc.
* <p>
* 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
* <p>
* https://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.micrometer.cloudwatch;
import org.junit.jupiter.api.Test;
import static org.assertj.core.api.Assertions.assertThat;
/**
* Test methods in CloudWatchUtils
*/
@SuppressWarnings("deprecation")
class CloudWatchUtilsTest {
private static final double EXPECTED_MIN = 8.515920e-109;
private static final double EXPECTED_MAX = 1.174271e+108;
@Test
void testClamp() {
assertThat(CloudWatchUtils.clampMetricValue(Double.NaN))
.as("Check NaN")
.isEqualTo(Double.NaN);
assertThat(CloudWatchUtils.clampMetricValue(Double.MIN_VALUE))
.as("Check minimum value")
.isEqualTo(EXPECTED_MIN);
assertThat(CloudWatchUtils.clampMetricValue(Double.NEGATIVE_INFINITY))
.as("Check negative infinity")
.isEqualTo(-EXPECTED_MAX);
assertThat(CloudWatchUtils.clampMetricValue(Double.POSITIVE_INFINITY))
.as("Check positive infinity")
.isEqualTo(EXPECTED_MAX);
assertThat(CloudWatchUtils.clampMetricValue(-Double.MAX_VALUE))
.as("Check negative max value")
.isEqualTo(-EXPECTED_MAX);
assertThat(CloudWatchUtils.clampMetricValue(0))
.as("Check 0")
.isEqualTo(0);
assertThat(CloudWatchUtils.clampMetricValue(-0))
.as("Check -0")
.isEqualTo(0);
assertThat(CloudWatchUtils.clampMetricValue(100.1))
.as("Check positive value")
.isEqualTo(100.1);
assertThat(CloudWatchUtils.clampMetricValue(-10.2))
.as("Check negative value")
.isEqualTo(-10.2);
}
}