src/v8/test/mjsunit/asm/math-ceil.js

   1 // Copyright 2014 the V8 project authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 function Module(stdlib) {
   6   "use asm";
   7
   8   var ceil = stdlib.Math.ceil;
   9
  10   // f: double -> float
  11   function f(a) {
  12     a = +a;
  13     return ceil(a);
  14   }
  15
  16   return { f: f };
  17 }
  18
  19 var f = Module({ Math: Math }).f;
  20
  21 assertTrue(isNaN(f(NaN)));
  22 assertTrue(isNaN(f(undefined)));
  23 assertTrue(isNaN(f(function() {})));
  24
  25 assertEquals(0,                   f(0));
  26 assertEquals(+0,                  f(+0));
  27 assertEquals(-0,                  f(-0));
  28 assertEquals(1,                   f(0.49999));
  29 assertEquals(1,                   f(0.6));
  30 assertEquals(1,                   f(0.5));
  31 assertEquals(-0,                  f(-0.1));
  32 assertEquals(-0,                  f(-0.5));
  33 assertEquals(-0,                  f(-0.6));
  34 assertEquals(-1,                  f(-1.6));
  35 assertEquals(-0,                  f(-0.50001));
  36
  37 assertEquals("Infinity", String(f(Infinity)));
  38 assertEquals("-Infinity", String(f(-Infinity)));