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diff --git a/js/src/tests/ecma/Math/15.8.2.16.js b/js/src/tests/ecma/Math/15.8.2.16.js
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+/* -*- tab-width: 2; indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+
+/**
+ File Name: 15.8.2.16.js
+ ECMA Section: 15.8.2.16 sin( x )
+ Description: return an approximation to the sine of the
+ argument. argument is expressed in radians
+ Author: christine@netscape.com
+ Date: 7 july 1997
+
+*/
+var SECTION = "15.8.2.16";
+var VERSION = "ECMA_1";
+startTest();
+var TITLE = "Math.sin(x)";
+
+writeHeaderToLog( SECTION + " "+ TITLE);
+
+new TestCase( SECTION,
+ "Math.sin.length",
+ 1,
+ Math.sin.length );
+
+new TestCase( SECTION,
+ "Math.sin()",
+ Number.NaN,
+ Math.sin() );
+
+new TestCase( SECTION,
+ "Math.sin(null)",
+ 0,
+ Math.sin(null) );
+
+new TestCase( SECTION,
+ "Math.sin(void 0)",
+ Number.NaN,
+ Math.sin(void 0) );
+
+new TestCase( SECTION,
+ "Math.sin(false)",
+ 0,
+ Math.sin(false) );
+
+new TestCase( SECTION,
+ "Math.sin('2.356194490192')",
+ 0.7071067811865,
+ Math.sin('2.356194490192') );
+
+new TestCase( SECTION,
+ "Math.sin(NaN)",
+ Number.NaN,
+ Math.sin(Number.NaN) );
+
+new TestCase( SECTION,
+ "Math.sin(0)",
+ 0,
+ Math.sin(0) );
+
+new TestCase( SECTION,
+ "Math.sin(-0)",
+ -0,
+ Math.sin(-0));
+
+new TestCase( SECTION,
+ "Math.sin(Infinity)",
+ Number.NaN,
+ Math.sin(Number.POSITIVE_INFINITY));
+
+new TestCase( SECTION,
+ "Math.sin(-Infinity)",
+ Number.NaN,
+ Math.sin(Number.NEGATIVE_INFINITY));
+
+new TestCase( SECTION,
+ "Math.sin(0.7853981633974)",
+ 0.7071067811865,
+ Math.sin(0.7853981633974));
+
+new TestCase( SECTION,
+ "Math.sin(1.570796326795)",
+ 1,
+ Math.sin(1.570796326795));
+
+new TestCase( SECTION,
+ "Math.sin(2.356194490192)",
+ 0.7071067811865,
+ Math.sin(2.356194490192));
+
+new TestCase( SECTION,
+ "Math.sin(3.14159265359)",
+ 0,
+ Math.sin(3.14159265359));
+
+test();