1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/content/canvas/crashtests/421715-1.html Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,41 @@ 1.4 +<!DOCTYPE html> 1.5 +<html> 1.6 + <head> 1.7 + <script type="text/javascript"> 1.8 + function stringify(a) { 1.9 + if (a) 1.10 + return a.toSource(); 1.11 + return ''+a; 1.12 + } 1.13 + var args = [undefined, null, [], {}, 0, "0"]; 1.14 + var stringArgs = args.map(stringify); 1.15 + 1.16 + function test_method(context, method, arity) { 1.17 + function testParams(existingParams, depth) { 1.18 + for (var arg of stringArgs) { 1.19 + var code = "context[method](" + existingParams + arg + ")"; 1.20 + try { 1.21 + eval(code); 1.22 + } catch (ex) { 1.23 + // Exceptions are expected 1.24 + } 1.25 + 1.26 + if (depth < arity) 1.27 + testParams(existingParams + arg + ",", depth + 1); 1.28 + } 1.29 + } 1.30 + testParams("", 1); 1.31 + } 1.32 + 1.33 + function startTest() { 1.34 + var canvas = document.getElementById("img"); 1.35 + var context = canvas.getContext('2d');; 1.36 + test_method(context, "getImageData", 4); 1.37 + test_method(context, "putImageData", 3); 1.38 + } 1.39 + </script> 1.40 + </head> 1.41 + <body onload="startTest()"> 1.42 + <canvas id="img">No canvas support.</canvas> 1.43 + </body> 1.44 +</html>