| /* |
| * 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 freemarker.ext.beans; |
| |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| |
| import org.junit.Assert; |
| |
| import freemarker.template.Configuration; |
| import junit.framework.TestCase; |
| |
| public class MiscNumericalOperationsTest extends TestCase { |
| |
| public MiscNumericalOperationsTest(String name) { |
| super(name); |
| } |
| |
| public void testForceUnwrappedNumberToType() { |
| // Usual type to to all other types: |
| Double n = Double.valueOf(123.75); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(n, Short.class, false), Short.valueOf(n.shortValue())); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(n, Short.TYPE, false), Short.valueOf(n.shortValue())); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(n, Byte.class, false), Byte.valueOf(n.byteValue())); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(n, Byte.TYPE, false), Byte.valueOf(n.byteValue())); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(n, Integer.class, false), Integer.valueOf(n.intValue())); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(n, Integer.TYPE, false), Integer.valueOf(n.intValue())); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(n, Long.class, false), Long.valueOf(n.longValue())); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(n, Long.TYPE, false), Long.valueOf(n.longValue())); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(n, Float.class, false), Float.valueOf(n.floatValue())); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(n, Float.TYPE, false), Float.valueOf(n.floatValue())); |
| assertTrue(BeansWrapper.forceUnwrappedNumberToType(n, Double.class, false) == n); |
| assertTrue(BeansWrapper.forceUnwrappedNumberToType(n, Double.TYPE, false) == n); |
| try { |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(n, BigInteger.class, false), new BigInteger("123")); |
| fail(); |
| } catch (NumberFormatException e) { |
| // expected |
| } |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(n, BigInteger.class, true), new BigInteger("123")); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(n, BigDecimal.class, false), new BigDecimal("123.75")); |
| |
| // Cases of conversion to BigDecimal: |
| BigDecimal bd = new BigDecimal("123"); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(new BigInteger("123"), BigDecimal.class, false), bd); |
| assertTrue(BeansWrapper.forceUnwrappedNumberToType(bd, BigDecimal.class, false) == bd); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(Long.valueOf(123), BigDecimal.class, false), bd); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(Double.valueOf(123), BigDecimal.class, false), bd); |
| |
| // Cases of conversion to BigInteger: |
| BigInteger bi = new BigInteger("123"); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(new BigDecimal("123.6"), BigInteger.class, true), bi); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType( |
| new OverloadedNumberUtil.IntegerBigDecimal(new BigDecimal("123")), BigInteger.class, true), bi); |
| assertTrue(BeansWrapper.forceUnwrappedNumberToType(bi, BigInteger.class, true) == bi); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(Long.valueOf(123), BigInteger.class, true), bi); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(Double.valueOf(123.6), BigInteger.class, true), bi); |
| |
| assertTrue(BeansWrapper.forceUnwrappedNumberToType(n, Number.class, true) == n); |
| assertNull(BeansWrapper.forceUnwrappedNumberToType(n, RationalNumber.class, true)); |
| RationalNumber r = new RationalNumber(1, 2); |
| assertTrue(BeansWrapper.forceUnwrappedNumberToType(r, RationalNumber.class, true) == r); |
| assertTrue(BeansWrapper.forceUnwrappedNumberToType(r, Number.class, true) == r); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(r, Double.class, true), Double.valueOf(0.5)); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(r, BigDecimal.class, true), new BigDecimal("0.5")); |
| assertEquals(BeansWrapper.forceUnwrappedNumberToType(r, BigInteger.class, true), BigInteger.ZERO); |
| } |
| |
| @SuppressWarnings("boxing") |
| public void testForceNumberArgumentsToParameterTypes() { |
| OverloadedMethodsSubset oms |
| = new OverloadedFixArgsMethods(new BeansWrapper(Configuration.VERSION_2_3_21).is2321Bugfixed()); |
| Class[] paramTypes = new Class[] { Short.TYPE, Short.class, Double.TYPE, BigDecimal.class, BigInteger.class }; |
| Object[] args; |
| |
| args = newArgs(); |
| oms.forceNumberArgumentsToParameterTypes(args, paramTypes, new int[] { 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF, 0xFFFF }); |
| Assert.assertArrayEquals( |
| args, |
| new Object[] { (short) 123, (short) 123, 123.75, new BigDecimal("123.75"), BigInteger.valueOf(123) }); |
| |
| args = newArgs(); |
| oms.forceNumberArgumentsToParameterTypes(args, paramTypes, new int[] { 0, 0, 0, 0, 0 }); |
| Assert.assertArrayEquals(args, newArgs()); |
| |
| args = newArgs(); |
| oms.forceNumberArgumentsToParameterTypes(args, paramTypes, new int[] { 8, 8, 8, 8, 8 }); |
| Assert.assertArrayEquals(args, newArgs()); |
| |
| args = newArgs(); |
| oms.forceNumberArgumentsToParameterTypes(args, paramTypes, new int[] { 0xFFFF, 0, 0xFFFF, 0, 0xFFFF }); |
| Assert.assertArrayEquals( |
| args, |
| new Object[] { (short) 123, 123.75, 123.75, 123.75, BigInteger.valueOf(123) }); |
| } |
| |
| @SuppressWarnings("boxing") |
| private Object[] newArgs() { |
| return new Object[] { 123.75, 123.75, 123.75, 123.75, 123.75 }; |
| } |
| |
| } |