1// Copyright 2008 the V8 project authors. All rights reserved.
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
6//     * Redistributions of source code must retain the above copyright
7//       notice, this list of conditions and the following disclaimer.
8//     * Redistributions in binary form must reproduce the above
9//       copyright notice, this list of conditions and the following
10//       disclaimer in the documentation and/or other materials provided
11//       with the distribution.
12//     * Neither the name of Google Inc. nor the names of its
13//       contributors may be used to endorse or promote products derived
14//       from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28assertEquals(0, parseInt('0'));
29assertEquals(0, parseInt(' 0'));
30assertEquals(0, parseInt(' 0 '));
31
32assertEquals(77, parseInt('077'));
33assertEquals(77, parseInt('  077'));
34assertEquals(77, parseInt('  077   '));
35assertEquals(-77, parseInt('  -077'));
36
37assertEquals(3, parseInt('11', 2));
38assertEquals(4, parseInt('11', 3));
39assertEquals(4, parseInt('11', 3.8));
40
41assertEquals(0x12, parseInt('0x12'));
42assertEquals(0x12, parseInt('0x12', 16));
43assertEquals(0x12, parseInt('0x12', 16.1));
44assertEquals(0x12, parseInt('0x12', NaN));
45assertTrue(isNaN(parseInt('0x  ')));
46assertTrue(isNaN(parseInt('0x')));
47assertTrue(isNaN(parseInt('0x  ', 16)));
48assertTrue(isNaN(parseInt('0x', 16)));
49assertEquals(12, parseInt('12aaa'));
50
51assertEquals(0.1, parseFloat('0.1'));
52assertEquals(0.1, parseFloat('0.1aaa'));
53assertEquals(0, parseFloat('0aaa'));
54assertEquals(0, parseFloat('0x12'));
55assertEquals(77, parseFloat('077'));
56
57assertEquals(Infinity, parseInt('1000000000000000000000000000000000000000000000'
58    + '000000000000000000000000000000000000000000000000000000000000000000000000'
59    + '000000000000000000000000000000000000000000000000000000000000000000000000'
60    + '000000000000000000000000000000000000000000000000000000000000000000000000'
61    + '000000000000000000000000000000000000000000000000000000000000000000000000'
62    + '0000000000000'));
63
64assertEquals(Infinity, parseInt('0x10000000000000000000000000000000000000000000'
65    + '000000000000000000000000000000000000000000000000000000000000000000000000'
66    + '000000000000000000000000000000000000000000000000000000000000000000000000'
67    + '000000000000000000000000000000000000000000000000000000000000000000000000'
68    + '000000000000000000000000000000000000000000000000000000000000000000000000'
69    + '0000000000000'));
70
71
72var i;
73var y = 10;
74
75for (i = 1; i < 21; i++) {
76  var x = eval("1.2e" + i);
77  assertEquals(Math.floor(x), parseInt(x));
78  x = eval("1e" + i);
79  assertEquals(x, y);
80  y *= 10;
81  assertEquals(Math.floor(x), parseInt(x));
82  x = eval("-1e" + i);
83  assertEquals(Math.ceil(x), parseInt(x));
84  x = eval("-1.2e" + i);
85  assertEquals(Math.ceil(x), parseInt(x));
86}
87
88for (i = 21; i < 53; i++) {
89  var x = eval("1e" + i);
90  assertEquals(1, parseInt(x));
91  x = eval("-1e" + i);
92  assertEquals(-1, parseInt(x));
93}
94
95assertTrue(isNaN(parseInt(0/0)));
96assertTrue(isNaN(parseInt(1/0)), "parseInt Infinity");
97assertTrue(isNaN(parseInt(-1/0)), "parseInt -Infinity");
98
99assertTrue(isNaN(parseFloat(0/0)));
100assertEquals(Infinity, parseFloat(1/0), "parseFloat Infinity");
101assertEquals(-Infinity, parseFloat(-1/0), "parseFloat -Infinity");
102
103var state;
104var throwingRadix = { valueOf: function() { state = "throwingRadix"; throw null; } };
105var throwingString = { toString: function() { state = "throwingString"; throw null; } };
106state = null;
107try { parseInt('123', throwingRadix); } catch (e) {}
108assertEquals(state, "throwingRadix");
109
110state = null;
111try { parseInt(throwingString, 10); } catch (e) {}
112assertEquals(state, "throwingString");
113
114state = null;
115try { parseInt(throwingString, throwingRadix); } catch (e) {}
116assertEquals(state, "throwingString");
117
118// And finally, check that the Harmony additions to the Number
119// constructor is available:
120assertTrue("parseInt" in Number);
121assertTrue("parseFloat" in Number);
122assertSame( Number.parseInt, parseInt);
123assertSame(Number.parseFloat, parseFloat);
124assertEquals(Number.parseFloat('0.1'), parseFloat('0.1'));
125assertEquals(Number.parseInt('0xea'), parseInt('0xEA'));
126