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-- Test of using isundefined in various function contexts.
type
t: record
z: boolean;
end;
var
x: boolean;
y: t;
procedure foo(var a: boolean); begin
if isundefined(a) then
end;
end;
procedure bar(a: boolean); begin
if isundefined(a) then
end;
end;
function baz(var a: boolean): boolean; begin
return isundefined(a);
end;
function qux(a: boolean): boolean; begin
return isundefined(a);
end;
function quux(a: t): boolean; begin
return isundefined(a.z);
end;
function quuz(var a: t): boolean; begin
return isundefined(a.z);
end;
startstate begin
x := true;
end;
rule begin
foo(x);
bar(x);
baz(x);
qux(x);
foo(y.z);
bar(y.z);
baz(y.z);
qux(y.z);
quux(y);
quuz(y);
x := !x;
end;
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