1 | // License: GPL. For details, see LICENSE file.
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2 | package org;
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3 |
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4 | import java.awt.geom.Point2D;
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5 | import java.util.Collection;
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6 |
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7 | import org.hamcrest.CustomTypeSafeMatcher;
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8 | import org.hamcrest.Description;
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9 | import org.hamcrest.Matcher;
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10 | import org.hamcrest.TypeSafeMatcher;
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11 | import org.junit.Ignore;
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12 | import org.openstreetmap.josm.data.coor.EastNorth;
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13 | import org.openstreetmap.josm.data.coor.LatLon;
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14 | import org.openstreetmap.josm.tools.Predicate;
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15 |
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16 | @Ignore("no test")
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17 | public final class CustomMatchers {
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18 |
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19 | private CustomMatchers() {
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20 | // Hide constructor for utility classes
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21 | }
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22 |
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23 | public static <T> Matcher<? extends T> forPredicate(final Predicate<T> predicate) {
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24 | return new TypeSafeMatcher<T>() {
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25 |
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26 | @Override
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27 | protected boolean matchesSafely(T item) {
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28 | return predicate.evaluate(item);
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29 | }
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30 |
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31 | @Override
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32 | public void describeTo(Description description) {
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33 | description.appendValue(predicate);
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34 | }
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35 | };
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36 | }
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37 |
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38 | public static Matcher<Collection<?>> hasSize(final int size) {
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39 | return new TypeSafeMatcher<Collection<?>>() {
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40 | @Override
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41 | protected boolean matchesSafely(Collection<?> collection) {
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42 | return collection != null && collection.size() == size;
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43 | }
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44 |
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45 | @Override
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46 | public void describeTo(Description description) {
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47 | description.appendText("hasSize(").appendValue(size).appendText(")");
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48 | }
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49 | };
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50 | }
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51 |
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52 | public static Matcher<Collection<?>> isEmpty() {
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53 | return new TypeSafeMatcher<Collection<?>>() {
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54 | @Override
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55 | protected boolean matchesSafely(Collection<?> collection) {
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56 | return collection != null && collection.isEmpty();
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57 | }
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58 |
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59 | @Override
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60 | public void describeTo(Description description) {
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61 | description.appendText("isEmpty()");
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62 | }
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63 | };
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64 | }
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65 |
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66 | public static Matcher<? super Point2D> is(final Point2D expected) {
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67 | return new CustomTypeSafeMatcher<Point2D>("the same Point2D") {
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68 | @Override
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69 | protected boolean matchesSafely(Point2D actual) {
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70 | return expected.distance(actual) <= 0.0000001;
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71 | }
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72 | };
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73 | }
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74 |
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75 | public static Matcher<? super LatLon> is(final LatLon expected) {
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76 | return new CustomTypeSafeMatcher<LatLon>("the same LatLon") {
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77 | @Override
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78 | protected boolean matchesSafely(LatLon actual) {
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79 | return Math.abs(expected.getX() - actual.getX()) <= LatLon.MAX_SERVER_PRECISION
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80 | && Math.abs(expected.getY() - actual.getY()) <= LatLon.MAX_SERVER_PRECISION;
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81 | }
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82 | };
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83 | }
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84 |
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85 | public static Matcher<? super EastNorth> is(final EastNorth expected) {
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86 | return new CustomTypeSafeMatcher<EastNorth>("the same EastNorth") {
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87 | @Override
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88 | protected boolean matchesSafely(EastNorth actual) {
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89 | return Math.abs(expected.getX() - actual.getX()) <= LatLon.MAX_SERVER_PRECISION
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90 | && Math.abs(expected.getY() - actual.getY()) <= LatLon.MAX_SERVER_PRECISION;
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91 | }
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92 | };
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93 | }
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94 |
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95 | }
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