[Laszlo-dev] anyone know where these "LzSprite.prototype.CSSDimension: coerced NaN to 0" warnings come from?

[P T Withington]

Debug.backtrace() creates one. You have to output it somehow, like  
with Debug.debug.

On Apr 16, 2009, at 12:10, Henry Minsky <henry.minsky at gmail.com> wrote:

> What's the name of the debugger function to call generate/print a  
> backtrace?
>
>
>
> On Thu, Apr 16, 2009 at 10:07 AM, P T Withington <ptw at pobox.com>  
> wrote:
> This warning is created when you try to set a dimension of a view to  
> NaN, so somewhere the test must be doing a computation that is going  
> off the rails. We used to silently ignore this, but it broke some  
> runtimes.  I guess the only way to debug this is to run the test by  
> hand.  Maybe you have to change CSSDimension to print out a  
> backtrace (and run the test with backtrace on)?
>
>
> On 2009-04-15, at 17:47EDT, Henry Minsky wrote:
>
>  When I run "ant lztest", I see these warnings. Note that the lztest  
> is
> running the app in the "fake DOM" that
> we use in rhino, so maybe that harness needs updating?
>
>
>  [exec] Entering runlztest.sh with LPS_HOME=/Users/hqm/openlaszlo/ 
> trunk5
> tags=smoketest
>    [exec]   covers-tags: class smoketest
>    [exec] testing test/lztest/lztest-static-attrs.lzx...........
>    [exec] Compiling: test/lztest/lztest-static-attrs.lzx to
> test/lztest/lztest-static-attrs.js
>    [exec] <a title="#1">WARNING: <a
> title="#0">LzSprite.prototype.CSSDimension</a>: coerced NaN to 0</a>
>
>    [exec] <a title="#2">WARNING: <a
> title="#0">LzSprite.prototype.CSSDimension</a>: coerced NaN to 0</a>
>
>    [exec] skipping test/lztest/lztest-textstyle.lzx, does not match  
> tags
> smoketest
>    [exec]   covers-tags: lzview smoketest
>    [exec] testing test/lztest/lztest-align.lzx...........
>    [exec] Compiling: test/lztest/lztest-align.lzx to
> test/lztest/lztest-align.js
>    [exec] <a title="#1">WARNING: <a
> title="#0">LzSprite.prototype.CSSDimension</a>: coerced NaN to 0</a>
>
>    [exec] <a title="#2">WARNING: <a
> title="#0">LzSprite.prototype.CSSDimension</a>: coerced NaN to 0</a>
>
>    [exec]   covers-tags: class smoketest
>    [exec] testing test/lztest/lztest-class-impl.lzx...........
>    [exec] Compiling: test/lztest/lztest-class-impl.lzx to
> test/lztest/lztest-class-impl.js
>    [exec] <a title="#1">WARNING: <a
> title="#0">LzSprite.prototype.CSSDimension</a>: coerced NaN to 0</a>
>
>    [exec] <a title="#2">WARNING: <a
> title="#0">LzSprite.prototype.CSSDimension</a>: coerced NaN to 0</a>
>
>    [exec]   covers-tags : lzevent lzdelegate smoketest
>    [exec] testing test/lztest/lztest-events.lzx...........
>    [exec] Compiling: test/lztest/lztest-events.lzx to
> test/lztest/lztest-events.js
>    [exec] <a title="#1">WARNING: <a
> title="#0">LzSprite.prototype.CSSDimension</a>: coerced NaN to 0</a>
>
>    [exec] <a title="#2">WARNING: <a
> title="#0">LzSprite.prototype.CSSDimension</a>: coerced NaN to 0</a>
>
>    [exec]   covers-tags : lznode lzcanvas smoketest
>    [exec] testing test/lztest/lztest-ids.lzx...........
>    [exec] Compiling: test/lztest/lztest-ids.lzx to
> test/lztest/lztest-ids.js
>    [exec] <a title="#1">WARNING: <a
> title="#0">LzSprite.prototype.CSSDimension</a>: coerced NaN to 0</a>
>
>    [exec] <a title="#2">WARNING: <a
> title="#0">LzSprite.prototype.CSSDimension</a>: coerced NaN to 0</a>
>
>    [exec] skipping test/lztest/lztest-lzbrowser.lzx, does not match  
> tags
> smoketest
>    [exec] skipping test/lztest/lztest-lzdataelement.lzx, does not  
> match
> tags smoketest
>    [exec]   covers-tags : lznode smoketest
>    [exec] testing test/lztest/lztest-node-initsequence.lzx...........
>    [exec] Compiling: test/lztest/lztest-node-initsequence.lzx to
> test/lztest/lztest-node-initsequence.js
>    [exec] <a title="#1">WARNING: <a
> title="#0">LzSprite.prototype.CSSDimension</a>: coerced NaN to 0</a>
>
>    [exec] <a title="#2">WARNING: <a
> title="#0">LzSprite.prototype.CSSDimension</a>: coerced NaN to 0</a>
>
>    [exec]   covers-tags : lznode smoketest
>    [exec] testing test/lztest/lztest-node-options.lzx...........
>    [exec] Compiling: test/lztest/lztest-node-options.lzx to
> test/lztest/lztest-node-options.js
>    [exec] <a title="#1">WARNING: <a
> title="#0">LzSprite.prototype.CSSDimension</a>: coerced NaN to 0</a>
>
>    [exec] <a title="#2">WARNING: <a
> title="#0">LzSprite.prototype.CSSDimension</a>: coerced NaN to 0</a>
>
>    [exec]   covers-tags : lznode smoketest
>    [exec] testing test/lztest/lztest-node.lzx...........
>    [exec] Compiling: test/lztest/lztest-node.lzx to
> test/lztest/lztest-node.js
>    [exec] <a title="#1">WARNING: <a
> title="#0">LzSprite.prototype.CSSDimension</a>: coerced NaN to 0</a>
>
>    [exec] <a title="#2">WARNING: <a
> title="#0">LzSprite.prototype.CSSDimension</a>: coerced NaN to 0</a>
>
>
> -- 
> Henry Minsky
> Software Architect
> hminsky at laszlosystems.com
>
>
>
>
> -- 
> Henry Minsky
> Software Architect
> hminsky at laszlosystems.com
>
>
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