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use v6;
use Test;
plan 14;
# L<S29/Context/"=item eval">
=begin pod
Tests for the eval() builtin
=end pod
# eval should evaluate the code in the lexical scope of eval's caller
{
sub make_eval_closure {
my $a = 5; #OK not used
return sub ($s) {
eval $s
};
};
is(make_eval_closure().('$a'), 5, 'eval runs code in the proper lexical scope');
}
is(eval('5'), 5, 'simple eval works and returns the value');
my $foo = 1234;
is(eval('$foo'), $foo, 'simple eval using variable defined outside');
# traps die?
ok(!eval('die; 1'), "eval can trap die");
nok(eval('my @a = (1); @a!<0>').defined, "eval returns undefined on syntax error");
ok(!eval('use Poison; 1'), "eval can trap a fatal use statement");
# L<S04/Exception handlers/Perl 6's eval function only evaluates strings, not blocks.>
dies_ok({eval {42}}, 'block eval is gone');
# RT #63978, eval didn't work in methods
{
class EvalTester1 {
method e($s) { eval $s };
}
is EvalTester1.e('5'), 5, 'eval works inside class methods';
is EvalTester1.new.e('5'), 5, 'eval works inside instance methods';
}
{
my $x = 5;
class EvalTester2 {
method e($s) { eval "$s + \$x" };
}
is EvalTester2.e('1'), 6,
'eval works inside class methods, with outer lexicals';
is EvalTester2.new.e('1'), 6,
'eval works inside instance methods, with outer lexicals';
}
#?rakudo skip 'eval(Buf)'
is eval("'møp'".encode('UTF-8')), 'møp', 'eval(Buf)';
{
#?rakudo skip 'eval coerce to string'
is eval 88, 88, 'eval of non-string works';
my $number = 2;
#?rakudo skip 'eval coerce to string'
is eval $number, $number, 'eval of non-string variable works';
}
# vim: ft=perl6
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