1 | // License: GPL. For details, see LICENSE file.
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2 | package org.openstreetmap.josm.gui.layer.geoimage;
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3 |
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4 | import static org.junit.Assert.assertEquals;
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5 |
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6 | import java.awt.Dimension;
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7 | import java.awt.Rectangle;
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8 |
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9 | import org.junit.Rule;
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10 | import org.junit.Test;
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11 | import org.openstreetmap.josm.testutils.JOSMTestRules;
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12 |
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13 | import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
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14 |
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15 | /**
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16 | * Unit tests of {@link ImageDisplay} class.
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17 | */
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18 | public class ImageDisplayTest {
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19 | /**
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20 | * We need prefs for this.
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21 | */
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22 | @Rule
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23 | @SuppressFBWarnings(value = "URF_UNREAD_PUBLIC_OR_PROTECTED_FIELD")
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24 | public JOSMTestRules test = new JOSMTestRules().preferences();
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25 |
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26 | /**
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27 | * Unit test of {@link ImageDisplay#calculateDrawImageRectangle}.
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28 | */
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29 | @Test
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30 | public void testCalculateDrawImageRectangle() {
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31 | assertEquals(new Rectangle(),
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32 | ImageDisplay.calculateDrawImageRectangle(new Rectangle(), new Dimension()));
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33 | assertEquals(new Rectangle(0, 0, 10, 5),
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34 | ImageDisplay.calculateDrawImageRectangle(new Rectangle(0, 0, 10, 5), new Dimension(10, 5)));
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35 | assertEquals(new Rectangle(0, 0, 10, 5),
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36 | ImageDisplay.calculateDrawImageRectangle(new Rectangle(0, 0, 20, 10), new Dimension(10, 5)));
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37 | assertEquals(new Rectangle(0, 0, 20, 10),
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38 | ImageDisplay.calculateDrawImageRectangle(new Rectangle(0, 0, 10, 5), new Dimension(20, 10)));
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39 | assertEquals(new Rectangle(5, 0, 24, 12),
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40 | ImageDisplay.calculateDrawImageRectangle(new Rectangle(0, 0, 10, 5), new Dimension(35, 12)));
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41 | assertEquals(new Rectangle(0, 1, 8, 4),
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42 | ImageDisplay.calculateDrawImageRectangle(new Rectangle(0, 0, 10, 5), new Dimension(8, 6)));
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43 | }
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44 | }
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