Harmony: move math features to es-staging.

test/mjsunit/harmony/math-sign.js

-// Copyright 2013 the V8 project authors. All rights reserved.
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-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-//       notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
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-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
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-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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-
-// Flags: --harmony-maths
-
-assertEquals("Infinity", String(1/Math.sign(0)));
-assertEquals("-Infinity", String(1/Math.sign(-0)));
-assertEquals(1, Math.sign(100));
-assertEquals(-1, Math.sign(-199));
-assertEquals(1, Math.sign(100.1));
-assertTrue(isNaN(Math.sign("abc")));
-assertTrue(isNaN(Math.sign({})));
-assertEquals(0, Math.sign([]));
-assertEquals(1, Math.sign([1]));
-assertEquals(-1, Math.sign([-100.1]));
-assertTrue(isNaN(Math.sign([1, 1])));
-assertEquals(1, Math.sign({ toString: function() { return "100"; } }));
-assertEquals(1, Math.sign({ toString: function() { return 100; } }));
-assertEquals(-1, Math.sign({ valueOf: function() { return -1.1; } }));
-assertEquals(-1, Math.sign({ valueOf: function() { return "-1.1"; } }));
-assertEquals(-1, Math.sign(-Infinity));
-assertEquals(1, Math.sign(Infinity));
-assertEquals(-1, Math.sign("-Infinity"));
-assertEquals(1, Math.sign("Infinity"));