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Fix Content-Length return wrong length #129

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merged 1 commit into from
May 1, 2014
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ajaxsys
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@ajaxsys ajaxsys commented May 1, 2014

Hi, thanks for creating this awesome tool. I got a bug when using JSCover.

In Proxy mode, Content-Length return wrong length in some Unicode cases.

For example:
"小方".length() // Output: 2
"小方".getBytes("UTF-8").length // Output: 6

As Content-Length defines the size of the body,
in above case data.length() always return the shorter length,
so _the browser will cut the left JavaScript code_ that causes syntax errors.
(Tested in chrome/Firefox).

Change to data.getBytes().length, parsing with bytes using the platform's default charset,
will get correct length.

*Content-Length Reference: http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.13

In Proxy mode, Content-Length return wrong length in some Unicode cases.

For example:
"小方".length() // Output: 2
"小方".getBytes("UTF-8").length // Output: 6

As `Content-Length` defines the size of the body,
in above case `data.length()` always return the shorter length, 
so the browser will cut left JavaScript code(Tested in chrome/Firefox).

Change to `data.getBytes().length`, parsing with bytes using the platform's default charset,
will get correct length.

*Content-Length Reference: http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.13
@tntim96
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tntim96 commented May 1, 2014

Thanks will check it soon. Would be nice to have a test case, but I can add that.
Cheers.

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2 participants