Log Message:
-----------
Fixed error in testing is a union is reduced (didn't test if sets
within a union were reduced properly).
Modified Files:
--------------
pg/lib/Value:
AnswerChecker.pm
Revision Data
-------------
Index: AnswerChecker.pm
===================================================================
RCS file: /webwork/cvs/system/pg/lib/Value/AnswerChecker.pm,v
retrieving revision 1.57
retrieving revision 1.58
diff -Llib/Value/AnswerChecker.pm -Llib/Value/AnswerChecker.pm -u -r1.57 -r1.58
--- lib/Value/AnswerChecker.pm
+++ lib/Value/AnswerChecker.pm
@@ -257,12 +257,11 @@
my @S = $student->sort->value;
foreach my $i (0..$#R) {
return "Your$nth union can be written in a simpler form"
- unless $R[$i] == $S[$i];
+ unless $R[$i] == $S[$i] && $R[$i]->length == $S[$i]->length;
}
- } elsif ($student->type eq 'Set') {
- my $reduced = $student->reduce;
+ } elsif ($student->type eq 'Set' && $student->length >= 2) {
return "Your$nth set should have no redundant elements"
- unless $reduced->length == $student->length;
+ unless $student->reduce->length == $student->length;
}
return;
}
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