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// modification, are permitted provided that the following conditions are
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//
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assertEquals("Infinity", String(1/Math.trunc(0)));
assertEquals("-Infinity", String(1/Math.trunc(-0)));
assertEquals("Infinity", String(1/Math.trunc(Math.PI/4)));
assertEquals("-Infinity", String(1/Math.trunc(-Math.sqrt(2)/2)));
assertEquals(100, Math.trunc(100));
assertEquals(-199, Math.trunc(-199));
assertEquals(100, Math.trunc(100.1));
assertTrue(isNaN(Math.trunc("abc")));
assertTrue(isNaN(Math.trunc({})));
assertEquals(0, Math.trunc([]));
assertEquals(1, Math.trunc([1]));
assertEquals(-100, Math.trunc([-100.1]));
assertTrue(isNaN(Math.trunc([1, 1])));
assertEquals(-100, Math.trunc({ toString: function() { return "-100.3"; } }));
assertEquals(10, Math.trunc({ toString: function() { return 10.1; } }));
assertEquals(-1, Math.trunc({ valueOf: function() { return -1.1; } }));
assertEquals("-Infinity",
             String(1/Math.trunc({ valueOf: function() { return "-0.1"; } })));
assertEquals("-Infinity", String(Math.trunc(-Infinity)));
assertEquals("Infinity", String(Math.trunc(Infinity)));
assertEquals("-Infinity", String(Math.trunc("-Infinity")));
assertEquals("Infinity", String(Math.trunc("Infinity")));