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diff --git a/js/src/tests/ecma/Math/15.8.2.3.js b/js/src/tests/ecma/Math/15.8.2.3.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: 15.8.2.3.js
+ ECMA Section: 15.8.2.3 asin( x )
+ Description: return an approximation to the arc sine of the
+ argument. the result is expressed in radians and
+ range is from -PI/2 to +PI/2. special cases:
+ - if x is NaN, the result is NaN
+ - if x > 1, the result is NaN
+ - if x < -1, the result is NaN
+ - if x == +0, the result is +0
+ - if x == -0, the result is -0
+ Author: christine@netscape.com
+ Date: 7 july 1997
+
+*/
+var SECTION = "15.8.2.3";
+var VERSION = "ECMA_1";
+startTest();
+var TITLE = "Math.asin()";
+
+writeHeaderToLog( SECTION + " "+ TITLE);
+
+new TestCase( SECTION,
+ "Math.asin()",
+ Number.NaN,
+ Math.asin() );
+
+new TestCase( SECTION,
+ "Math.asin(void 0)",
+ Number.NaN,
+ Math.asin(void 0) );
+
+new TestCase( SECTION,
+ "Math.asin(null)",
+ 0,
+ Math.asin(null) );
+
+new TestCase( SECTION,
+ "Math.asin(NaN)",
+ Number.NaN,
+ Math.asin(Number.NaN) );
+
+new TestCase( SECTION,
+ "Math.asin('string')",
+ Number.NaN,
+ Math.asin("string") );
+
+new TestCase( SECTION,
+ "Math.asin('0')",
+ 0,
+ Math.asin("0") );
+
+new TestCase( SECTION,
+ "Math.asin('1')",
+ Math.PI/2,
+ Math.asin("1") );
+
+new TestCase( SECTION,
+ "Math.asin('-1')",
+ -Math.PI/2,
+ Math.asin("-1") );
+
+new TestCase( SECTION,
+ "Math.asin(Math.SQRT1_2+'')",
+ Math.PI/4,
+ Math.asin(Math.SQRT1_2+'') );
+
+new TestCase( SECTION,
+ "Math.asin(-Math.SQRT1_2+'')",
+ -Math.PI/4,
+ Math.asin(-Math.SQRT1_2+'') );
+
+new TestCase( SECTION,
+ "Math.asin(1.000001)",
+ Number.NaN,
+ Math.asin(1.000001) );
+
+new TestCase( SECTION,
+ "Math.asin(-1.000001)",
+ Number.NaN,
+ Math.asin(-1.000001) );
+
+new TestCase( SECTION,
+ "Math.asin(0)",
+ 0,
+ Math.asin(0) );
+
+new TestCase( SECTION,
+ "Math.asin(-0)",
+ -0,
+ Math.asin(-0) );
+
+new TestCase( SECTION,
+ "Infinity/Math.asin(-0)",
+ -Infinity,
+ Infinity/Math.asin(-0) );
+
+new TestCase( SECTION,
+ "Math.asin(1)",
+ Math.PI/2,
+ Math.asin(1) );
+
+new TestCase( SECTION,
+ "Math.asin(-1)",
+ -Math.PI/2,
+ Math.asin(-1) );
+
+new TestCase( SECTION,
+ "Math.asin(Math.SQRT1_2))",
+ Math.PI/4,
+ Math.asin(Math.SQRT1_2) );
+
+new TestCase( SECTION,
+ "Math.asin(-Math.SQRT1_2))",
+ -Math.PI/4,
+ Math.asin(-Math.SQRT1_2));
+
+test();