// Tags: JDK1.0 /* Copyright (C) 2000 Red Hat This file is part of Mauve. Mauve 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, or (at your option) any later version. Mauve 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 Mauve; see the file COPYING. If not, write to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ package gnu.testlet.java.lang.Math; import gnu.testlet.Testlet; import gnu.testlet.TestHarness; /** * Test for a static method Math.sin() */ public class sin implements Testlet { public int getExpectedPass() { return 0; } public int getExpectedFail() { return 0; } public int getExpectedKnownFail() { return 0; } /** * Function (=static method) checked by this test. */ private static double testedFunction(double input) { return Math.sin(input); } /** * These values are used as arguments to compute sin using Math. */ private static double[] inputValues = { Double.NaN, Double.POSITIVE_INFINITY, Double.NEGATIVE_INFINITY, Double.MAX_VALUE, Double.MIN_VALUE, 0.0, Math.PI/4, Math.PI/2, Math.PI, 2*Math.PI, 4*Math.PI, 100*Math.PI, 1e10, 1e-10, -0.0, -Math.PI/4, -Math.PI/2, -Math.PI, -2*Math.PI, -4*Math.PI, -100*Math.PI, -1e10, -1e-10, }; /** * These values are the expected results, obtained from the RI. */ private static double[] outputValues = { // output value input value Double.NaN, // NaN Double.NaN, // Infinity Double.NaN, // -Infinity 0.004961954789184062, // Double.MAX_VALUE 4.9E-324, // Double.MIN_VALUE 0.0, // 0.0 0.7071067811865475, // Math.PI/4 1.0, // Math.PI/2 1.2246467991473532E-16, // Math.PI -2.4492935982947064E-16,// 2*Math.PI -4.898587196589413E-16, // 4*Math.PI 1.964386723728472E-15, // 100*Math.PI -0.4875060250875107, // 1.0E10 1.0E-10, // 1.0E-10 -0.0, // -0.0 -0.7071067811865475, // -Math.PI/4 -1.0, // -Math.PI/2 -1.2246467991473532E-16,// -Math.PI 2.4492935982947064E-16, // -2*Math.PI 4.898587196589413E-16, // -4*Math.PI -1.964386723728472E-15, // -100*Math.PI 0.4875060250875107, // -1.0E10 -1.0E-10, // -1.0E-10 }; /** * These values represent various NaN */ private static long[] NaNValues = { 0x7fff800000000000L, 0xffff800000000000L, 0x7fff812345abcdefL, 0xffff812345abcdefL, 0x7fff000000000001L, 0xffff000000000001L, 0x7fff7654321fedcbL, 0xffff7654321fedcbL }; /** * Test not NaN values. */ private void testInputValues(TestHarness harness) { double res; for (int i = 0; i < inputValues.length; ++i) { res = testedFunction(inputValues[i]); // exact equality if (Double.doubleToLongBits(res) != Double.doubleToLongBits(outputValues[i])) { harness.todo(Double.doubleToLongBits(res), Double.doubleToLongBits(outputValues[i])); } else { harness.check(Double.doubleToLongBits(res), Double.doubleToLongBits(outputValues[i])); } } } /** * Entry point to a test. */ public void test (TestHarness harness) { /*harness.check (new Double (Math.sin (1e50)).toString (), "-0.4805001434937588");*/ // Disabled until we can get it working on Mac. // testInputValues(harness); } }