On 23/02/14 15:47, Björnke von Gierke wrote:
on mouseUp
assert 1 + "blah"
end mouseUp
Well that certainly threw up an error message.
But this:
on mouseUp
put 1 + "blah" into FUDGE
end mouseUp
also threw up an error message.
--------------------------------------------------
on assertError dont, remember, amountOfParameters
put dont & remember & amountOfParameters
end assert
When I tried to put that one in my button I got this:
button "Button": compilation error at line 8 (Handler: end doesn't match
handler name) near "assert", char 1
in the scriptEditor when I tried to apply it.
--------------------------------------------------------
When I tried this:
on assertError dont, remember, amountOfParameters
put dont & remember & amountOfParameters
end assertError
NOTHING appeared in the Message Box.
Richmond.
see release notes of 6.6 dp here: http://downloads.livecode.com/livecode/
On 23.02.2014, at 14:31, Richmond <[email protected]> wrote:
Right; so here I am on a Sunday afternoon feeling
suitably postprandial . . . and looking at the notes for 6.6 dp1
and playing around with ASSERT
Set up a stack with a button with this script:
on mouseUp
assert 1 is 2
end mouseUp
as per notes.
SO? Where is any sort of result????
tried this script:
on mouseUp
put assert (1 is 2) into fld "fOUT"
end mouseUp
that one "threw a bluey"
as did:
on mouseUp
put assert (1 is 2)
end mouseUp
So, I made another button with this script:
on mouseUp
if 1 is 2 then
put "Yup" into fld "fOUT"
else
put "Nope" into fld "fOUT"
end if
end mouseUp
which worked perfectly.
---------------------------------------------
SO; assert is meant to be a way to check for runtime errors
[which in my example above it certainly does NOT look like]
WHERE is one expected to see "fails" or "succeeds"
or, how does one know if assert has either failed or succeeded?
--------------------------------------------
Why not just run one's original script and see it the da*n things works?
-------------------------------------------
"if the condition fails, then an assertError message is sent to the object
containing the
command"
Where does the programmer see the assertError message?
------------------------------------------
Richmond.
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