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Diffstat (limited to 'harmony-tests/src/test/java/org/apache/harmony/tests/java/math/MathContextTest.java')
-rw-r--r-- | harmony-tests/src/test/java/org/apache/harmony/tests/java/math/MathContextTest.java | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/harmony-tests/src/test/java/org/apache/harmony/tests/java/math/MathContextTest.java b/harmony-tests/src/test/java/org/apache/harmony/tests/java/math/MathContextTest.java new file mode 100644 index 0000000..d9942d3 --- /dev/null +++ b/harmony-tests/src/test/java/org/apache/harmony/tests/java/math/MathContextTest.java @@ -0,0 +1,79 @@ +/* + * 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.harmony.tests.java.math; + +import java.math.BigDecimal; +import java.math.MathContext; +import java.math.RoundingMode; + +public class MathContextTest extends junit.framework.TestCase { + + /** + * java.math.MathContext#MathContext(...) + */ + public void test_MathContextConstruction() { + String a = "-12380945E+61"; + BigDecimal aNumber = new BigDecimal(a); + MathContext mcIntRm6hd = new MathContext(6, RoundingMode.HALF_DOWN); + MathContext mcStr6hd = new MathContext("precision=6 roundingMode=HALF_DOWN"); + MathContext mcInt6 = new MathContext(6); + MathContext mcInt134 = new MathContext(134); + + // getPrecision() + assertEquals("MathContext.getPrecision() returns incorrect value", + 6, mcIntRm6hd.getPrecision() ); + assertEquals("MathContext.getPrecision() returns incorrect value", + 134, mcInt134.getPrecision() ); + + // getRoundingMode() + assertEquals("MathContext.getRoundingMode() returns incorrect value", + RoundingMode.HALF_UP, + mcInt6.getRoundingMode()); + assertEquals("MathContext.getRoundingMode() returns incorrect value", + RoundingMode.HALF_DOWN, mcIntRm6hd.getRoundingMode() ); + + // toString() + assertEquals("MathContext.toString() returning incorrect value", + "precision=6 roundingMode=HALF_DOWN", mcIntRm6hd.toString() ); + assertEquals("MathContext.toString() returning incorrect value", + "precision=6 roundingMode=HALF_UP", mcInt6.toString() ); + + // equals(.) + assertEquals("Equal MathContexts are not equal ", + mcIntRm6hd, mcStr6hd ); + assertFalse("Different MathContexts are reported as equal ", + mcInt6.equals(mcStr6hd) ); + assertFalse("Different MathContexts are reported as equal ", + mcInt6.equals(mcInt134) ); + + // hashCode(.) + assertEquals("Equal MathContexts have different hashcodes ", + mcIntRm6hd.hashCode(), mcStr6hd.hashCode() ); + assertFalse("Different MathContexts have equal hashcodes ", + mcInt6.hashCode() == mcStr6hd.hashCode() ); + assertFalse("Different MathContexts have equal hashcodes ", + mcInt6.hashCode() == mcInt134.hashCode() ); + + // other: + BigDecimal res = aNumber.abs(mcInt6); + assertEquals("MathContext Constructor with int precision failed", + new BigDecimal("1.23809E+68"), + res); + } + +} |