/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 opennlp.tools.util;
import org.junit.Assert;
import org.junit.Test;
/**
* Tests for the {@link Span} class.
*/
public class SpanTest {
/**
* Test for {@link Span#getStart()}.
*/
@Test
public void testGetStart() {
Assert.assertEquals(5, new Span(5, 6).getStart());
}
/**
* Test for {@link Span#getEnd()}.
*/
@Test
public void testGetEnd() {
Assert.assertEquals(6, new Span(5, 6).getEnd());
}
/**
* Test for {@link Span#length()}.
*/
@Test
public void testLength() {
Assert.assertEquals(11, new Span(10, 21).length());
}
/**
* Test for {@link Span#contains(Span)}.
*/
@Test
public void testContains() {
Span a = new Span(500, 900);
Span b = new Span(520, 600);
Assert.assertEquals(true, a.contains(b));
}
/**
* Test for {@link Span#contains(Span)}.
*/
@Test
public void testContainsWithEqual() {
Span a = new Span(500, 900);
Assert.assertEquals(true, a.contains(a));
}
/**
* Test for {@link Span#contains(Span)}.
*/
@Test
public void testContainsWithLowerIntersect() {
Span a = new Span(500, 900);
Span b = new Span(450, 1000);
Assert.assertEquals(false, a.contains(b));
}
/**
* Test for {@link Span#contains(Span)}.
*/
@Test
public void testContainsWithHigherIntersect() {
Span a = new Span(500, 900);
Span b = new Span(500, 1000);
Assert.assertEquals(false, a.contains(b));
}
/**
* Test for {@link Span#contains(int)}.
*/
@Test
public void testContainsInt() {
Span a = new Span(10, 300);
/* NOTE: here the span does not contain the endpoint marked as the end
* for the span. This is because the end should be placed one past the
* true end for the span. The indexes used must observe the same
* requirements for the contains function.
*/
Assert.assertFalse(a.contains(9));
Assert.assertTrue(a.contains(10));
Assert.assertTrue(a.contains(200));
Assert.assertTrue(a.contains(299));
Assert.assertFalse(a.contains(300));
}
/**
* Test for {@link Span#startsWith(Span)}.
*/
@Test
public void testStartsWith() {
Span a = new Span(10, 50);
Span b = new Span(10, 12);
Assert.assertTrue(a.startsWith(a));
Assert.assertTrue(a.startsWith(b));
Assert.assertFalse(b.startsWith(a));
}
/**
* Test for {@link Span#intersects(Span)}.
*/
@Test
public void testIntersects() {
Span a = new Span(10, 50);
Span b = new Span(40, 100);
Assert.assertTrue(a.intersects(b));
Assert.assertTrue(b.intersects(a));
Span c = new Span(10, 20);
Span d = new Span(40, 50);
Assert.assertFalse(c.intersects(d));
Assert.assertFalse(d.intersects(c));
Assert.assertTrue(b.intersects(d));
}
/**
* Test for {@link Span#crosses(Span)}.
*/
@Test
public void testCrosses() {
Span a = new Span(10, 50);
Span b = new Span(40, 100);
Assert.assertTrue(a.crosses(b));
Assert.assertTrue(b.crosses(a));
Span c = new Span(10, 20);
Span d = new Span(40, 50);
Assert.assertFalse(c.crosses(d));
Assert.assertFalse(d.crosses(c));
Assert.assertFalse(b.crosses(d));
}
/**
* Test for {@link Span#compareTo(Object)}.
*/
@Test
public void testCompareToLower() {
Span a = new Span(100, 1000);
Span b = new Span(10, 50);
Assert.assertEquals(true, a.compareTo(b) > 0);
}
/**
* Test for {@link Span#compareTo(Object)}.
*/
@Test
public void testCompareToHigher() {
Span a = new Span(100, 200);
Span b = new Span(300, 400);
Assert.assertEquals(true, a.compareTo(b) < 0);
}
/**
* Test for {@link Span#compareTo(Object)}.
*/
@Test
public void testCompareToEquals() {
Span a = new Span(30, 1000);
Span b = new Span(30, 1000);
Assert.assertEquals(true, a.compareTo(b) == 0);
}
///
/**
* Test for {@link Span#compareTo(Object)}.
*/
@Test
public void testCompareToEqualsSameType() {
Span a = new Span(30, 1000, "a");
Span b = new Span(30, 1000, "a");
Assert.assertEquals(true, a.compareTo(b) == 0);
}
/**
* Test for {@link Span#compareTo(Object)}.
*/
@Test
public void testCompareToEqualsDiffType1() {
Span a = new Span(30, 1000, "a");
Span b = new Span(30, 1000, "b");
Assert.assertEquals(true, a.compareTo(b) == -1);
}
/**
* Test for {@link Span#compareTo(Object)}.
*/
@Test
public void testCompareToEqualsDiffType2() {
Span a = new Span(30, 1000, "b");
Span b = new Span(30, 1000, "a");
Assert.assertEquals(true, a.compareTo(b) == 1);
}
/**
* Test for {@link Span#compareTo(Object)}.
*/
@Test
public void testCompareToEqualsNullType1() {
Span a = new Span(30, 1000);
Span b = new Span(30, 1000, "b");
Assert.assertEquals(true, a.compareTo(b) == 1);
}
/**
* Test for {@link Span#compareTo(Object)}.
*/
@Test
public void testCompareToEqualsNullType2() {
Span a = new Span(30, 1000, "b");
Span b = new Span(30, 1000);
Assert.assertEquals(true, a.compareTo(b) == -1);
}
/**
* Test for {@link Span#hashCode()}.
*/
@Test
public void testhHashCode() {
Assert.assertEquals(new Span(10, 11), new Span(10, 11));
}
/**
* Test for {@link Span#equals(Object)}.
*/
@Test
public void testEqualsWithNull() {
Span a = new Span(0, 0);
Assert.assertEquals(a.equals(null), false);
}
/**
* Test for {@link Span#equals(Object)}.
*/
@Test
public void testEquals() {
Span a1 = new Span(100, 1000, "test");
Span a2 = new Span(100, 1000, "test");
Assert.assertTrue(a1.equals(a2));
// end is different
Span b1 = new Span(100, 100, "test");
Assert.assertFalse(a1.equals(b1));
// type is different
Span c1 = new Span(100, 1000, "Test");
Assert.assertFalse(a1.equals(c1));
Span d1 = new Span(100, 1000);
Assert.assertFalse(d1.equals(a1));
Assert.assertFalse(a1.equals(d1));
}
/**
* Test for {@link Span#toString()}.
*/
@Test
public void testToString() {
new Span(50, 100).toString();
}
@Test
public void testTrim() {
String string1 = " 12 34 ";
Span span1 = new Span(0, string1.length());
Assert.assertEquals("12 34", span1.trim(string1).getCoveredText(string1));
}
@Test
public void testTrimWhitespaceSpan() {
String string1 = " ";
Span span1 = new Span(0, string1.length());
Assert.assertEquals("", span1.trim(string1).getCoveredText(string1));
}
}