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 function ToUInt32(x) {
32 assertEquals(0, ToUInt32(0), "0");
33 assertEquals(0, ToUInt32(-0), "-0");
34 assertEquals(0, ToUInt32(Infinity), "Infinity");
35 assertEquals(0, ToUInt32(-Infinity), "-Infinity");
36 assertEquals(0, ToUInt32(NaN), "NaN");
38 assertEquals(0, ToUInt32(Number.MIN_VALUE), "MIN");
39 assertEquals(0, ToUInt32(-Number.MIN_VALUE), "-MIN");
40 assertEquals(0, ToUInt32(0.1), "0.1");
41 assertEquals(0, ToUInt32(-0.1), "-0.1");
42 assertEquals(1, ToUInt32(1), "1");
43 assertEquals(1, ToUInt32(1.1), "1.1");
45 assertEquals(4294967295, ToUInt32(-1), "-1");
46 assertEquals(4294967295, ToUInt32(-1.1), "-1.1");
48 assertEquals(2147483647, ToUInt32(2147483647), "2147483647");
49 assertEquals(2147483648, ToUInt32(2147483648), "2147483648");
50 assertEquals(2147483649, ToUInt32(2147483649), "2147483649");
52 assertEquals(4294967295, ToUInt32(4294967295), "4294967295");
53 assertEquals(0, ToUInt32(4294967296), "4294967296");
54 assertEquals(1, ToUInt32(4294967297), "4294967297");
56 assertEquals(2147483649, ToUInt32(-2147483647), "-2147483647");
57 assertEquals(2147483648, ToUInt32(-2147483648), "-2147483648");
58 assertEquals(2147483647, ToUInt32(-2147483649), "-2147483649");
60 assertEquals(1, ToUInt32(-4294967295), "-4294967295");
61 assertEquals(0, ToUInt32(-4294967296), "-4294967296");
62 assertEquals(4294967295, ToUInt32(-4294967297), "-4294967297");
64 assertEquals(2147483647, ToUInt32('2147483647'), "'2147483647'");
65 assertEquals(2147483648, ToUInt32('2147483648'), "'2147483648'");
66 assertEquals(2147483649, ToUInt32('2147483649'), "'2147483649'");
68 assertEquals(4294967295, ToUInt32('4294967295'), "'4294967295'");
69 assertEquals(0, ToUInt32('4294967296'), "'4294967296'");
70 assertEquals(1, ToUInt32('4294967297'), "'4294967297'");