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      1 // Copyright 2011 the V8 project authors. All rights reserved.
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      3 // modification, are permitted provided that the following conditions are
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     27 
     28 // This regression tests the behaviour of the parseInt function when
     29 // the given radix is not a SMI.
     30 
     31 // Flags: --allow-natives-syntax
     32 
     33 var nonSmi10 = Math.log(Math.exp(10));
     34 var nonSmi16 = Math.log(Math.exp(16));
     35 
     36 assertTrue(!%_IsSmi(nonSmi10) && nonSmi10 == 10);
     37 assertTrue(!%_IsSmi(nonSmi16) && nonSmi16 == 16);
     38 
     39 // Giving these values as the radix argument triggers radix detection.
     40 var radix_detect = [0, -0, NaN, Infinity, -Infinity, undefined, null,
     41                     "0", "-0", "a"];
     42 
     43 // These values will result in an integer radix outside of the valid range.
     44 var radix_invalid = [1, 37, -2, "-2", "37"];
     45 
     46 // These values will trigger decimal parsing.
     47 var radix10 = [10, 10.1, "10", "10.1", nonSmi10];
     48 
     49 // These values will trigger hexadecimal parsing.
     50 var radix16 = [16, 16.1, 0x10, "0X10", nonSmi16];
     51 
     52 for (var i = 0; i < radix_detect.length; i++) {
     53   var radix = radix_detect[i];
     54   assertEquals(NaN, parseInt("", radix));
     55   assertEquals(23, parseInt("23", radix));
     56   assertEquals(0xaf, parseInt("0xaf", radix));
     57   assertEquals(NaN, parseInt("af", radix));
     58 }
     59 
     60 for (var i = 0; i < radix_invalid.length; i++) {
     61   var radix = radix_invalid[i];
     62   assertEquals(NaN, parseInt("", radix));
     63   assertEquals(NaN, parseInt("23", radix));
     64   assertEquals(NaN, parseInt("0xaf", radix));
     65   assertEquals(NaN, parseInt("af", radix));
     66 }
     67 
     68 for (var i = 0; i < radix10.length; i++) {
     69   var radix = radix10[i];
     70   assertEquals(NaN, parseInt("", radix));
     71   assertEquals(23, parseInt("23", radix));
     72   assertEquals(0, parseInt("0xaf", radix));
     73   assertEquals(NaN, parseInt("af", radix));
     74 }
     75 
     76 for (var i = 0; i < radix16.length; i++) {
     77   var radix = radix16[i];
     78   assertEquals(NaN, parseInt("", radix));
     79   assertEquals(0x23, parseInt("23", radix));
     80   assertEquals(0xaf, parseInt("0xaf", radix));
     81   assertEquals(0xaf, parseInt("af", radix));
     82 }
     83 
     84