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
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.
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.
28 assertEquals(0, parseInt('0'));
29 assertEquals(0, parseInt(' 0'));
30 assertEquals(0, parseInt(' 0 '));
32 assertEquals(77, parseInt('077'));
33 assertEquals(77, parseInt(' 077'));
34 assertEquals(77, parseInt(' 077 '));
35 assertEquals(-77, parseInt(' -077'));
37 assertEquals(3, parseInt('11', 2));
38 assertEquals(4, parseInt('11', 3));
39 assertEquals(4, parseInt('11', 3.8));
41 assertEquals(0x12, parseInt('0x12'));
42 assertEquals(0x12, parseInt('0x12', 16));
43 assertEquals(0x12, parseInt('0x12', 16.1));
44 assertEquals(0x12, parseInt('0x12', NaN));
45 assertTrue(isNaN(parseInt('0x ')));
46 assertTrue(isNaN(parseInt('0x')));
47 assertTrue(isNaN(parseInt('0x ', 16)));
48 assertTrue(isNaN(parseInt('0x', 16)));
49 assertEquals(12, parseInt('12aaa'));
51 assertEquals(0.1, parseFloat('0.1'));
52 assertEquals(0.1, parseFloat('0.1aaa'));
53 assertEquals(0, parseFloat('0aaa'));
54 assertEquals(0, parseFloat('0x12'));
55 assertEquals(77, parseFloat('077'));
57 assertEquals(Infinity, parseInt('1000000000000000000000000000000000000000000000'
58 + '000000000000000000000000000000000000000000000000000000000000000000000000'
59 + '000000000000000000000000000000000000000000000000000000000000000000000000'
60 + '000000000000000000000000000000000000000000000000000000000000000000000000'
61 + '000000000000000000000000000000000000000000000000000000000000000000000000'
64 assertEquals(Infinity, parseInt('0x10000000000000000000000000000000000000000000'
65 + '000000000000000000000000000000000000000000000000000000000000000000000000'
66 + '000000000000000000000000000000000000000000000000000000000000000000000000'
67 + '000000000000000000000000000000000000000000000000000000000000000000000000'
68 + '000000000000000000000000000000000000000000000000000000000000000000000000'
75 for (i = 1; i < 21; i++) {
76 var x = eval("1.2e" + i);
77 assertEquals(Math.floor(x), parseInt(x));
81 assertEquals(Math.floor(x), parseInt(x));
83 assertEquals(Math.ceil(x), parseInt(x));
84 x = eval("-1.2e" + i);
85 assertEquals(Math.ceil(x), parseInt(x));
88 for (i = 21; i < 53; i++) {
89 var x = eval("1e" + i);
90 assertEquals(1, parseInt(x));
92 assertEquals(-1, parseInt(x));
95 assertTrue(isNaN(parseInt(0/0)));
96 assertTrue(isNaN(parseInt(1/0)), "parseInt Infinity");
97 assertTrue(isNaN(parseInt(-1/0)), "parseInt -Infinity");
99 assertTrue(isNaN(parseFloat(0/0)));
100 assertEquals(Infinity, parseFloat(1/0), "parseFloat Infinity");
101 assertEquals(-Infinity, parseFloat(-1/0), "parseFloat -Infinity");
104 var throwingRadix = { valueOf: function() { state = "throwingRadix"; throw null; } };
105 var throwingString = { toString: function() { state = "throwingString"; throw null; } };
107 try { parseInt('123', throwingRadix); } catch (e) {}
108 assertEquals(state, "throwingRadix");
111 try { parseInt(throwingString, 10); } catch (e) {}
112 assertEquals(state, "throwingString");
115 try { parseInt(throwingString, throwingRadix); } catch (e) {}
116 assertEquals(state, "throwingString");
118 // And finally, check that the Harmony additions to the Number
119 // constructor is available:
120 assertTrue("parseInt" in Number);
121 assertTrue("parseFloat" in Number);
122 assertSame( Number.parseInt, parseInt);
123 assertSame(Number.parseFloat, parseFloat);
124 assertEquals(Number.parseFloat('0.1'), parseFloat('0.1'));
125 assertEquals(Number.parseInt('0xea'), parseInt('0xEA'));