summaryrefslogtreecommitdiffstats
path: root/harmony-tests/src/test/java/org/apache/harmony/tests/java/math/MathContextTest.java
diff options
context:
space:
mode:
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.java79
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);
+ }
+
+}