Add comment in unittest

Review URL: https://codereview.chromium.org//12316106

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@18993 260f80e4-7a28-3924-810f-c04153c831b5
This commit is contained in:
sigmund@google.com 2013-02-25 19:23:56 +00:00
parent bc4f90bd09
commit a50b019f35

View file

@ -101,6 +101,9 @@ class CompactVMConfiguration extends VMConfiguration {
buffer.write(': ');
buffer.write(color);
// Ensure the line fits under MAX_LINE. [buffer] includes the color escape
// sequences too. Because these sequences are not visible characters, we
// make sure they are not counted towards the limit.
int nonVisible = _nonVisiblePrefix + color.length +
(failed != 0 ? (_RED.length + _NONE.length) : 0);
int len = buffer.length - nonVisible;