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   1 /**
   2  * Copyright (c) 2010-2022 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   7  * This program and the accompanying materials are made available under the
   8  * terms of the Eclipse Public License 2.0 which is available at
   9  * http://www.eclipse.org/legal/epl-2.0
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.avmfritz.internal.dto;
  14
  15 import static org.hamcrest.CoreMatchers.is;
  16 import static org.hamcrest.MatcherAssert.assertThat;
  17 import static org.junit.jupiter.api.Assertions.assertTrue;
  18
  19 import org.eclipse.jdt.annotation.NonNullByDefault;
  20 import org.junit.jupiter.api.Test;
  21 import org.openhab.core.library.types.PercentType;
  22
  23 /**
  24  * Tests for {@link ColorControlModel} methods.
  25  *
  26  * @author Christoph Weitkamp - Initial contribution
  27  */
  28 @NonNullByDefault
  29 class ColorControlModelTest {
  30
  31     @Test
  32     public void testColorControlModelSaturationConversionIsBijective() {
  33         for (int percent = 0; percent <= 100; ++percent) {
  34             PercentType percentType = new PercentType(percent);
  35             int saturation = ColorControlModel.fromPercent(percentType);
  36             assertThat(ColorControlModel.toPercent(saturation).intValue(), is(percent));
  37         }
  38     }
  39
  40     @Test
  41     public void testColorControlModelPercentConversionRestrictsToLowerBounds() {
  42         assertThat(ColorControlModel.toPercent(-1), is(PercentType.ZERO));
  43     }
  44
  45     @Test
  46     public void testColorControlModelPercentConversionRestrictsToUpperBounds() {
  47         assertThat(ColorControlModel.toPercent(999), is(PercentType.HUNDRED));
  48     }
  49
  50     @Test
  51     public void hsbSaturationAlwaysGreaterThanZero() {
  52         // a saturation greater than 1 should result in a percentage greater than 1
  53         for (int saturation = 1; saturation <= 254; ++saturation) {
  54             PercentType percentType = ColorControlModel.toPercent(saturation);
  55             assertTrue(ColorControlModel.fromPercent(percentType) > 0);
  56         }
  57     }
  58 }