| /* 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 libcore.java.lang; |
| |
| import junit.framework.TestCase; |
| |
| public class OldDoubleTest extends TestCase { |
| |
| public void test_byteValue() { |
| Double d = new Double(Byte.MAX_VALUE); |
| assertEquals("Returned incorrect byte value", Byte.MAX_VALUE, d.byteValue()); |
| d= new Double(Byte.MIN_VALUE); |
| assertEquals("Returned incorrect byte value", Byte.MIN_VALUE, d.byteValue()); |
| d= new Double(Double.MAX_VALUE); |
| assertEquals("Returned incorrect byte value", -1, d.byteValue()); |
| } |
| |
| public void test_doubleToLongBitsD() { |
| assertEquals(0x7ff8000000000000L, Double.doubleToLongBits(Double.NaN)); |
| assertEquals(0x7ff0000000000000L, Double.doubleToLongBits(Double.POSITIVE_INFINITY)); |
| assertEquals(0xfff0000000000000L, Double.doubleToLongBits(Double.NEGATIVE_INFINITY)); |
| } |
| |
| public void test_doubleToRawLongBitsD() { |
| assertEquals(0x7ff8000000000000L, Double.doubleToLongBits(Double.NaN)); |
| assertEquals(0x7ff0000000000000L, Double.doubleToLongBits(Double.POSITIVE_INFINITY)); |
| assertEquals(0xfff0000000000000L, Double.doubleToLongBits(Double.NEGATIVE_INFINITY)); |
| } |
| |
| public void test_doubleValue() { |
| assertEquals(Double.POSITIVE_INFINITY, new Double("1.7976931348623159E308").doubleValue()); |
| assertEquals(Double.NEGATIVE_INFINITY, new Double("-1.7976931348623159E308").doubleValue()); |
| assertEquals(Double.MAX_VALUE, new Double("1.7976931348623157E308").doubleValue()); |
| assertEquals(Double.MIN_VALUE, new Double("4.9E-324").doubleValue()); |
| } |
| |
| public void test_floatValue() { |
| assertEquals(Float.POSITIVE_INFINITY, new Double("3.4028236E38").floatValue()); |
| assertEquals(Float.NEGATIVE_INFINITY, new Double("-3.4028236E38").floatValue()); |
| assertEquals(Float.MAX_VALUE, new Double("3.4028235E38").floatValue()); |
| assertEquals(Float.MIN_VALUE, new Double("1.4E-45").floatValue()); |
| } |
| |
| public void test_intValue() { |
| assertEquals("Returned incorrect int value", Integer.MAX_VALUE, |
| new Double(2147483648d).intValue()); |
| assertEquals("Returned incorrect int value", Integer.MIN_VALUE, |
| new Double(-2147483649d).intValue()); |
| } |
| |
| public void test_isNaND() { |
| assertFalse("Doesn't return false value", Double.isNaN(new Double(Double.MAX_VALUE))); |
| } |
| |
| // Regression test for hotfix in native code of double parser. |
| public void test_parseDouble_LString_AndroidRegression() { |
| // Android regression test |
| long startTime = System.currentTimeMillis(); |
| double actual = Double.parseDouble("9e551027"); |
| assertTrue("parsing double 9e551027 took too long.", |
| (System.currentTimeMillis() - startTime) < 1000); |
| assertEquals("Returned incorrect value", Double.POSITIVE_INFINITY, |
| actual, 0.0D); |
| } |
| } |