The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/dom/tests/mochitest/bugs/utils_bug743615.js	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,25 @@
     1.4 +function makePattern(len, start, inc) {
     1.5 +  var pattern = [];
     1.6 +  while(len) {
     1.7 +    pattern.push(start);
     1.8 +    start = (start + inc) % 256;
     1.9 +    --len;
    1.10 +  }
    1.11 +  return pattern;
    1.12 +}
    1.13 +
    1.14 +function setPattern(imageData, pattern) {
    1.15 +  if (pattern.length != imageData.data.length)
    1.16 +    throw Error('Invalid pattern');
    1.17 +  for (var i = 0; i < pattern.length; ++i)
    1.18 +    imageData.data[i] = pattern[i];
    1.19 +}
    1.20 +
    1.21 +function checkPattern(imageData, pattern) {
    1.22 +  if (pattern.length != imageData.data.length)
    1.23 +    throw Error('Invalid pattern');
    1.24 +  for (var i = 0; i < pattern.length; ++i)
    1.25 +    if (imageData.data[i] != pattern[i])
    1.26 +      return false;
    1.27 +  return true;
    1.28 +}