// Copyright 2013 the V8 project authors. All rights reserved. // Redistribution and use in source and binary forms, with or without // 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 // copyright notice, this list of conditions and the following // disclaimer in the documentation and/or other materials provided // with the distribution. // * Neither the name of Google Inc. nor the names of its // contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 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")));