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Diffstat (limited to 'src/test/java/org/apache/commons/lang3/DoubleRangeTest.java')
| -rw-r--r-- | src/test/java/org/apache/commons/lang3/DoubleRangeTest.java | 412 |
1 files changed, 412 insertions, 0 deletions
diff --git a/src/test/java/org/apache/commons/lang3/DoubleRangeTest.java b/src/test/java/org/apache/commons/lang3/DoubleRangeTest.java new file mode 100644 index 000000000..75b9ab66a --- /dev/null +++ b/src/test/java/org/apache/commons/lang3/DoubleRangeTest.java @@ -0,0 +1,412 @@ +/* + * 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 org.apache.commons.lang3; + +import static org.junit.jupiter.api.Assertions.assertEquals; +import static org.junit.jupiter.api.Assertions.assertFalse; +import static org.junit.jupiter.api.Assertions.assertNotEquals; +import static org.junit.jupiter.api.Assertions.assertNotNull; +import static org.junit.jupiter.api.Assertions.assertSame; +import static org.junit.jupiter.api.Assertions.assertThrows; +import static org.junit.jupiter.api.Assertions.assertTrue; + +import java.util.Comparator; + +import org.junit.jupiter.api.BeforeEach; +import org.junit.jupiter.api.Test; + +/** + * Tests {@link DoubleRange}. + */ +@SuppressWarnings("boxing") +public class DoubleRangeTest extends AbstractLangTest { + + private static DoubleRange of(final double min, final double max) { + return DoubleRange.of(min, max); + } + + private static DoubleRange of(final Double min, final Double max) { + return DoubleRange.of(min, max); + } + + private DoubleRange range1; + + private DoubleRange range2; + + private DoubleRange range3; + + private DoubleRange rangeFull; + + @BeforeEach + public void setUp() { + range1 = of(10, 20); + range2 = of(10, 20); + range3 = of(-2, -1); + rangeFull = of(Double.MIN_VALUE, Double.MAX_VALUE); + } + + @Test + public void testContainsInt() { + assertFalse(range1.contains(null)); + + assertTrue(rangeFull.contains(Double.MIN_VALUE)); + assertTrue(rangeFull.contains(Double.MAX_VALUE)); + + assertFalse(range1.contains(5d)); + assertTrue(range1.contains(10d)); + assertTrue(range1.contains(15d)); + assertTrue(range1.contains(20d)); + assertFalse(range1.contains(25d)); + } + + @Test + public void testContainsRange() { + + // null handling + assertFalse(range1.containsRange(null)); + + // easy inside range + assertTrue(range1.containsRange(Range.of(12d, 18d))); + assertTrue(range1.containsRange(of(12, 18))); + + // outside range on each side + assertFalse(range1.containsRange(Range.of(32d, 45d))); + assertFalse(range1.containsRange(of(32, 45))); + assertFalse(range1.containsRange(Range.of(2d, 8d))); + assertFalse(range1.containsRange(of(2, 8))); + + // equals range + assertTrue(range1.containsRange(Range.of(10d, 20d))); + assertTrue(range1.containsRange(of(10, 20))); + + // overlaps + assertFalse(range1.containsRange(Range.of(9d, 14d))); + assertFalse(range1.containsRange(of(9, 14))); + assertFalse(range1.containsRange(Range.of(16d, 21d))); + assertFalse(range1.containsRange(of(16, 21))); + + // touches lower boundary + assertTrue(range1.containsRange(Range.of(10d, 19d))); + assertTrue(range1.containsRange(of(10, 19))); + assertFalse(range1.containsRange(Range.of(10d, 21d))); + assertFalse(range1.containsRange(of(10, 21))); + + // touches upper boundary + assertTrue(range1.containsRange(Range.of(11d, 20d))); + assertTrue(range1.containsRange(of(11, 20))); + assertFalse(range1.containsRange(Range.of(9d, 20d))); + assertFalse(range1.containsRange(of(9, 20))); + + // negative + assertFalse(range1.containsRange(Range.of(-11d, -18d))); + assertFalse(range1.containsRange(of(-11, -18))); + } + + @Test + public void testElementCompareTo() { + assertThrows(NullPointerException.class, () -> range1.elementCompareTo(null)); + + assertEquals(-1, range1.elementCompareTo(5d)); + assertEquals(0, range1.elementCompareTo(10d)); + assertEquals(0, range1.elementCompareTo(15d)); + assertEquals(0, range1.elementCompareTo(20d)); + assertEquals(1, range1.elementCompareTo(25d)); + } + + @Test + public void testEqualsObject() { + assertEquals(range1, range1); + assertEquals(range1, range2); + assertEquals(range2, range2); + assertEquals(range1, range1); + assertEquals(range2, range2); + assertEquals(range3, range3); + assertNotEquals(range2, range3); + assertNotEquals(null, range2); + assertNotEquals("Ni!", range2); + } + + @Test + public void testFit() { + assertEquals(range1.getMinimum(), range1.fit(Double.MIN_VALUE)); + assertEquals(range1.getMinimum(), range1.fit(range1.getMinimum())); + assertEquals(range1.getMaximum(), range1.fit(Double.MAX_VALUE)); + assertEquals(range1.getMaximum(), range1.fit(range1.getMaximum())); + assertEquals(15, range1.fit(15d)); + } + + @Test + public void testFitNull() { + assertThrows(NullPointerException.class, () -> { + range1.fit(null); + }); + } + + @Test + public void testGetMaximum() { + assertEquals(20d, range1.getMaximum()); + } + + @Test + public void testGetMinimum() { + assertEquals(10d, range1.getMinimum()); + } + + @Test + public void testHashCode() { + assertEquals(range1.hashCode(), range2.hashCode()); + assertNotEquals(range1.hashCode(), range3.hashCode()); + + assertEquals(range1.hashCode(), range1.hashCode()); + assertTrue(range1.hashCode() != 0); + } + + @Test + public void testIntersectionWith() { + assertSame(range1, range1.intersectionWith(range1)); + + assertEquals(Range.of(10d, 15d), range1.intersectionWith(Range.of(5d, 15d))); + } + + @Test + public void testIntersectionWithNonOverlapping() { + assertThrows(IllegalArgumentException.class, () -> range1.intersectionWith(Range.of(0d, 9d))); + } + + @Test + public void testIntersectionWithNull() { + assertThrows(IllegalArgumentException.class, () -> range1.intersectionWith(null)); + } + + @Test + public void testIsAfter() { + assertFalse(range1.isAfter(null)); + + assertTrue(range1.isAfter(5d)); + assertFalse(range1.isAfter(10d)); + assertFalse(range1.isAfter(15d)); + assertFalse(range1.isAfter(20d)); + assertFalse(range1.isAfter(25d)); + } + + @Test + public void testIsAfterRange() { + assertFalse(range1.isAfterRange(null)); + + assertTrue(range1.isAfterRange(Range.of(5d, 9d))); + + assertFalse(range1.isAfterRange(Range.of(5d, 10d))); + assertFalse(range1.isAfterRange(Range.of(5d, 20d))); + assertFalse(range1.isAfterRange(Range.of(5d, 25d))); + assertFalse(range1.isAfterRange(Range.of(15d, 25d))); + + assertFalse(range1.isAfterRange(Range.of(21d, 25d))); + + assertFalse(range1.isAfterRange(Range.of(10d, 20d))); + } + + @Test + public void testIsBefore() { + assertFalse(range1.isBefore(null)); + + assertFalse(range1.isBefore(5d)); + assertFalse(range1.isBefore(10d)); + assertFalse(range1.isBefore(15d)); + assertFalse(range1.isBefore(20d)); + assertTrue(range1.isBefore(25d)); + } + + @Test + public void testIsBeforeIntegerRange() { + assertFalse(range1.isBeforeRange(null)); + + assertFalse(range1.isBeforeRange(of(5, 9))); + + assertFalse(range1.isBeforeRange(of(5, 10))); + assertFalse(range1.isBeforeRange(of(5, 20))); + assertFalse(range1.isBeforeRange(of(5, 25))); + assertFalse(range1.isBeforeRange(of(15, 25))); + + assertTrue(range1.isBeforeRange(of(21, 25))); + + assertFalse(range1.isBeforeRange(of(10, 20))); + } + + @Test + public void testIsBeforeRange() { + assertFalse(range1.isBeforeRange(null)); + + assertFalse(range1.isBeforeRange(Range.of(5d, 9d))); + + assertFalse(range1.isBeforeRange(Range.of(5d, 10d))); + assertFalse(range1.isBeforeRange(Range.of(5d, 20d))); + assertFalse(range1.isBeforeRange(Range.of(5d, 25d))); + assertFalse(range1.isBeforeRange(Range.of(15d, 25d))); + + assertTrue(range1.isBeforeRange(Range.of(21d, 25d))); + + assertFalse(range1.isBeforeRange(Range.of(10d, 20d))); + } + + @Test + public void testIsEndedBy() { + assertFalse(range1.isEndedBy(null)); + + assertFalse(range1.isEndedBy(5d)); + assertFalse(range1.isEndedBy(10d)); + assertFalse(range1.isEndedBy(15d)); + assertTrue(range1.isEndedBy(20d)); + assertFalse(range1.isEndedBy(25d)); + } + + @Test + public void testIsOverlappedByIntegerRange() { + + // null handling + assertFalse(range1.isOverlappedBy(null)); + + // easy inside range + assertTrue(range1.isOverlappedBy(of(12, 18))); + + // outside range on each side + assertFalse(range1.isOverlappedBy(of(32, 45))); + assertFalse(range1.isOverlappedBy(of(2, 8))); + + // equals range + assertTrue(range1.isOverlappedBy(of(10, 20))); + + // overlaps + assertTrue(range1.isOverlappedBy(of(9, 14))); + assertTrue(range1.isOverlappedBy(of(16, 21))); + + // touches lower boundary + assertTrue(range1.isOverlappedBy(of(10, 19))); + assertTrue(range1.isOverlappedBy(of(10, 21))); + + // touches upper boundary + assertTrue(range1.isOverlappedBy(of(11, 20))); + assertTrue(range1.isOverlappedBy(of(9, 20))); + + // negative + assertFalse(range1.isOverlappedBy(of(-11, -18))); + + // outside range whole range + assertTrue(range1.isOverlappedBy(of(9, 21))); + } + + @Test + public void testIsOverlappedByRange() { + + // null handling + assertFalse(range1.isOverlappedBy(null)); + + // easy inside range + assertTrue(range1.isOverlappedBy(Range.of(12d, 18d))); + + // outside range on each side + assertFalse(range1.isOverlappedBy(Range.of(32d, 45d))); + assertFalse(range1.isOverlappedBy(Range.of(2d, 8d))); + + // equals range + assertTrue(range1.isOverlappedBy(Range.of(10d, 20d))); + + // overlaps + assertTrue(range1.isOverlappedBy(Range.of(9d, 14d))); + assertTrue(range1.isOverlappedBy(Range.of(16d, 21d))); + + // touches lower boundary + assertTrue(range1.isOverlappedBy(Range.of(10d, 19d))); + assertTrue(range1.isOverlappedBy(Range.of(10d, 21d))); + + // touches upper boundary + assertTrue(range1.isOverlappedBy(Range.of(11d, 20d))); + assertTrue(range1.isOverlappedBy(Range.of(9d, 20d))); + + // negative + assertFalse(range1.isOverlappedBy(Range.of(-11d, -18d))); + + // outside range whole range + assertTrue(range1.isOverlappedBy(Range.of(9d, 21d))); + } + + @Test + public void testIsStartedBy() { + assertFalse(range1.isStartedBy(null)); + + assertFalse(range1.isStartedBy(5d)); + assertTrue(range1.isStartedBy(10d)); + assertFalse(range1.isStartedBy(15d)); + assertFalse(range1.isStartedBy(20d)); + assertFalse(range1.isStartedBy(25d)); + } + + @Test + public void testIsWithCompareRange() { + // all integers are equal + final Comparator<Integer> c = (o1, o2) -> 0; + Range<Integer> ri = Range.is(10); + assertFalse(ri.contains(null), "should not contain null"); + assertTrue(ri.contains(10), "should contain 10"); + assertFalse(ri.contains(11), "should not contain 11"); + ri = Range.is(10, c); + assertFalse(ri.contains(null), "should not contain null"); + assertTrue(ri.contains(10), "should contain 10"); + assertTrue(ri.contains(11), "should contain 11"); + } + + @Test + public void testOfWithContains() { + // all integers are equal + final DoubleRange rb = of(-10, 20); + assertFalse(rb.contains(null), "should not contain null"); + assertTrue(rb.contains(10d), "should contain 10"); + assertTrue(rb.contains(-10d), "should contain -10"); + assertFalse(rb.contains(21d), "should not contain 21"); + assertFalse(rb.contains(-11d), "should not contain -11"); + + assertThrows(NullPointerException.class, () -> of(null, null)); + } + + @Test + public void testRangeOfChars() { + final DoubleRange chars = of('a', 'z'); + assertTrue(chars.contains((double) 'b')); + assertFalse(chars.contains((double) 'B')); + } + + @Test + public void testSerializing() { + SerializationUtils.clone(range1); + } + + @Test + public void testToString() { + assertNotNull(range1.toString()); + + final String str = range1.toString(); + assertEquals("[10.0..20.0]", str); + assertEquals("[-20.0..-10.0]", Range.of(-20d, -10d).toString()); + assertEquals("[-20.0..-10.0]", DoubleRange.of(-20d, -10d).toString()); + } + + @Test + public void testToStringFormat() { + final String str = range1.toString("From %1$s to %2$s"); + assertEquals("From 10.0 to 20.0", str); + } +} |