Java tutorial
/* Copyright 2013 Red Hat, Inc. and/or its affiliates. This file is part of lightblue. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.redhat.lightblue.metadata.types; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.node.JsonNodeFactory; import com.redhat.lightblue.metadata.Type; import com.redhat.lightblue.util.Error; import org.junit.After; import org.junit.Before; import org.junit.Test; import java.math.BigInteger; import static org.junit.Assert.*; public class BigIntegerTypeTest { Type bigIntegerType; @Before public void setUp() throws Exception { bigIntegerType = BigIntegerType.TYPE; } @After public void tearDown() throws Exception { } @Test public void testIsAContainerType() { assertTrue(ContainerType.class.isAssignableFrom(ArrayType.class)); } @Test public void testGetName() { assertEquals(bigIntegerType.getName(), BigIntegerType.NAME); } @Test public void testSupportsEq() { assertTrue(bigIntegerType.supportsEq()); } @Test public void testSupportsOrdering() { assertFalse(bigIntegerType.supportsOrdering()); } @Test public void testToJson() { JsonNodeFactory jsonNodeFactory = new JsonNodeFactory(true); JsonNode jsonNode = bigIntegerType.toJson(jsonNodeFactory, BigInteger.ZERO); assertTrue(new BigInteger(jsonNode.asText()).equals(BigInteger.ZERO)); } @Test public void testFromJson() { JsonNode jsonNode = JsonNodeFactory.withExactBigDecimals(false).numberNode(BigInteger.TEN); Object fromJson = bigIntegerType.fromJson(jsonNode); assertTrue(fromJson instanceof BigInteger); } @Test(expected = Error.class) public void testFromJsonWithIncompatibleValue() { JsonNode jsonNode = JsonNodeFactory.withExactBigDecimals(false).objectNode(); bigIntegerType.fromJson(jsonNode); } @Test public void testCastNull() { assertNull(bigIntegerType.cast(null)); } @Test public void testCastBigInteger() { assertTrue(bigIntegerType.cast(BigInteger.ONE) instanceof BigInteger); } @Test public void testCastLong() { assertTrue(bigIntegerType.cast(Long.MAX_VALUE) instanceof BigInteger); } @Test public void testCastBooleanTrue() { assertTrue(bigIntegerType.cast(Boolean.TRUE) instanceof BigInteger); } @Test public void testCastBooleanFalse() { assertTrue(bigIntegerType.cast(Boolean.FALSE) instanceof BigInteger); } @Test public void testCastGoodString() { assertTrue(bigIntegerType.cast(String.valueOf(BigInteger.TEN)) instanceof BigInteger); } @Test(expected = Error.class) public void testCastBadString() { bigIntegerType.cast("string"); } @Test(expected = Error.class) public void testCastOther() { Object object = new Object(); bigIntegerType.cast(object); } @Test public void testCompareBothNull() { assertEquals(bigIntegerType.compare(null, null), 0); } @Test public void testCompareV1Null() { assertEquals(bigIntegerType.compare(null, new Object()), -1); } @Test public void testCompareV2Null() { assertEquals(bigIntegerType.compare(new Object(), null), 1); } @Test public void testCompareEqual() { assertEquals(bigIntegerType.compare((Object) BigInteger.ONE, (Object) BigInteger.ONE), 0); } @Test public void testCompareNotEqual() { assertEquals(bigIntegerType.compare((Object) BigInteger.ZERO, (Object) BigInteger.ONE), -1); } @Test public void testEqualsTrue() { assertTrue(bigIntegerType.equals(BigIntegerType.TYPE)); } @Test public void testEqualsFalse() { assertFalse(bigIntegerType.equals(Double.MAX_VALUE)); } @Test public void testHashCode() { assertEquals(bigIntegerType.hashCode(), 5); } @Test public void testToString() { assertEquals(bigIntegerType.toString(), BigIntegerType.NAME); } }