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Diffstat (limited to 'framework/src/onos/utils/misc/src/test/java/org/onlab/util/FrequencyTest.java')
-rw-r--r-- | framework/src/onos/utils/misc/src/test/java/org/onlab/util/FrequencyTest.java | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/framework/src/onos/utils/misc/src/test/java/org/onlab/util/FrequencyTest.java b/framework/src/onos/utils/misc/src/test/java/org/onlab/util/FrequencyTest.java new file mode 100644 index 00000000..727c0f73 --- /dev/null +++ b/framework/src/onos/utils/misc/src/test/java/org/onlab/util/FrequencyTest.java @@ -0,0 +1,107 @@ +/* + * Copyright 2015 Open Networking Laboratory + * + * 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.onlab.util; + +import com.google.common.testing.EqualsTester; +import org.junit.Test; +import org.onlab.junit.ImmutableClassChecker; + +import static org.hamcrest.MatcherAssert.assertThat; +import static org.hamcrest.Matchers.greaterThan; +import static org.hamcrest.Matchers.is; +import static org.hamcrest.Matchers.lessThan; + +public class FrequencyTest { + + private final Frequency frequency1 = Frequency.ofMHz(1000); + private final Frequency sameFrequency1 = Frequency.ofMHz(1000); + private final Frequency frequency2 = Frequency.ofGHz(1000); + private final Frequency sameFrequency2 = Frequency.ofGHz(1000); + private final Frequency moreSameFrequency2 = Frequency.ofTHz(1); + private final Frequency frequency3 = Frequency.ofTHz(193.1); + private final Frequency sameFrequency3 = Frequency.ofGHz(193100); + + /** + * Tests immutability of Frequency. + */ + @Test + public void testImmutability() { + ImmutableClassChecker.assertThatClassIsImmutable(Frequency.class); + } + + /** + * Tests equality of Frequency instances. + */ + @Test + public void testEquality() { + new EqualsTester() + .addEqualityGroup(frequency1, sameFrequency1) + .addEqualityGroup(frequency2, sameFrequency2, moreSameFrequency2) + .addEqualityGroup(frequency3, sameFrequency3) + .testEquals(); + } + + /** + * Tests the first object is less than the second object. + */ + @Test + public void testLessThan() { + assertThat(frequency1, is(lessThan(frequency2))); + assertThat(frequency1.isLessThan(frequency2), is(true)); + } + + @Test + public void testGreaterThan() { + assertThat(frequency2, is(greaterThan(frequency1))); + assertThat(frequency2.isGreaterThan(frequency1), is(true)); + } + + /** + * Tests add operation of two Frequencies. + */ + @Test + public void testAdd() { + Frequency low = Frequency.ofMHz(100); + Frequency high = Frequency.ofGHz(1); + Frequency expected = Frequency.ofMHz(1100); + + assertThat(low.add(high), is(expected)); + } + + /** + * Tests subtract operation of two Frequencies. + */ + @Test + public void testSubtract() { + Frequency high = Frequency.ofGHz(1); + Frequency low = Frequency.ofMHz(100); + Frequency expected = Frequency.ofMHz(900); + + assertThat(high.subtract(low), is(expected)); + } + + /** + * Tests multiply operation of Frequency. + */ + @Test + public void testMultiply() { + Frequency frequency = Frequency.ofMHz(1000); + long factor = 5; + Frequency expected = Frequency.ofGHz(5); + + assertThat(frequency.multiply(5), is(expected)); + } +} |