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+// Test of the method BigDecimal.negate()
+
+// Copyright 2012 Red Hat, Inc.
+// Written by Pavel Tisnovsky <ptisnovs@redhat.com>
+
+// 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 2 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, write to the Free Software Foundation
+// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA
+//
+// Tags: JDK1.5
+
+package gnu.testlet.java.math.BigDecimal;
+
+import java.math.BigDecimal;
+import java.math.MathContext;
+import gnu.testlet.Testlet;
+import gnu.testlet.TestHarness;
+
+/**
+ * Check for method BigDecimal.negate()
+ */
+public class negate implements Testlet
+{
+ /**
+ * Entry point to this test.
+ */
+ public void test(TestHarness harness)
+ {
+ test1(harness);
+ test2(harness, new MathContext(0));
+ test2(harness, new MathContext(1));
+ test2(harness, new MathContext(2));
+ test3(harness);
+ }
+
+ /**
+ * Basic tests
+ */
+ private void test1(TestHarness harness)
+ {
+ harness.check(((new BigDecimal("2")).negate().toString()).equals("-2"));
+ harness.check(((new BigDecimal("-2")).negate().toString()).equals("2"));
+ harness.check(((new BigDecimal("+0.000")).negate().toString()).equals("0.000"));
+ harness.check(((new BigDecimal("00.000")).negate().toString()).equals("0.000"));
+ harness.check(((new BigDecimal("-0.000")).negate().toString()).equals("0.000"));
+ harness.check(((new BigDecimal("-2000000")).negate().toString()).equals("2000000"));
+ harness.check(((new BigDecimal("0.2")).negate().toString()).equals("-0.2"));
+ harness.check(((new BigDecimal("-0.2")).negate().toString()).equals("0.2"));
+ harness.check(((new BigDecimal("0.01")).negate().toString()).equals("-0.01"));
+ harness.check(((new BigDecimal("-0.01")).negate().toString()).equals("0.01"));
+ }
+
+ /**
+ * Tests using MathContext
+ */
+ private void test2(TestHarness harness, MathContext mathContext)
+ {
+ harness.check(((new BigDecimal("2")).negate(mathContext).toString()).equals("-2"));
+ harness.check(((new BigDecimal("-2")).negate(mathContext).toString()).equals("2"));
+ harness.check(((new BigDecimal("+0.000")).negate(mathContext).toString()).equals("0.000"));
+ harness.check(((new BigDecimal("00.000")).negate(mathContext).toString()).equals("0.000"));
+ harness.check(((new BigDecimal("-0.000")).negate(mathContext).toString()).equals("0.000"));
+ harness.check(((new BigDecimal("0.2")).negate(mathContext).toString()).equals("-0.2"));
+ harness.check(((new BigDecimal("-0.2")).negate(mathContext).toString()).equals("0.2"));
+ harness.check(((new BigDecimal("0.01")).negate(mathContext).toString()).equals("-0.01"));
+ harness.check(((new BigDecimal("-0.01")).negate(mathContext).toString()).equals("0.01"));
+ }
+
+ /**
+ * Various MathContext usage
+ */
+ private void test3(TestHarness harness)
+ {
+ harness.check(((new BigDecimal("-2000000")).negate(new MathContext(0)).toString()).equals("2000000"));
+ harness.check(((new BigDecimal("-2000000")).negate(new MathContext(1)).toString()).equals("2E+6"));
+ harness.check(((new BigDecimal("-2000000")).negate(new MathContext(2)).toString()).equals("2.0E+6"));
+ harness.check(((new BigDecimal("-2000000")).negate(new MathContext(3)).toString()).equals("2.00E+6"));
+
+ harness.check(((new BigDecimal("2000000")).negate(new MathContext(0)).toString()).equals("-2000000"));
+ harness.check(((new BigDecimal("2000000")).negate(new MathContext(1)).toString()).equals("-2E+6"));
+ harness.check(((new BigDecimal("2000000")).negate(new MathContext(2)).toString()).equals("-2.0E+6"));
+ harness.check(((new BigDecimal("2000000")).negate(new MathContext(3)).toString()).equals("-2.00E+6"));
+ }
+}
+