Also add NotTest.pm for the xt/search.t NOT tests.

xt/lib/Bugzilla/Test/Search/NotTest.pm

+# -*- Mode: perl; indent-tabs-mode: nil -*-
+#
+# The contents of this file are subject to the Mozilla Public
+# License Version 1.1 (the "License"); you may not use this file
+# except in compliance with the License. You may obtain a copy of
+# the License at http://www.mozilla.org/MPL/
+#
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+#
+# The Original Code is the Bugzilla Bug Tracking System.
+#
+# The Initial Developer of the Original Code is Everything Solved, Inc.
+# Portions created by the Initial Developer are Copyright (C) 2010 the
+# Initial Developer. All Rights Reserved.
+#
+# Contributor(s):
+#   Max Kanat-Alexander <mkanat@bugzilla.org>
+
+# This module runs tests just like a normal FieldTest, AndTest,
+# or OrTest, but in a NOT chart instead of a normal chart.
+#
+# Logically this should be a mixin of some sort so that we can apply
+# it to OrTest and AndTest, but without Moose there isn't much of an
+# easy way to do that.
+package Bugzilla::Test::Search::NotTest;
+use base qw(Bugzilla::Test::Search::FieldTest);
+use strict;
+use warnings;
+use Bugzilla::Test::Search::Constants;
+
+# We just clone a FieldTest because that's the best for performance,
+# overall--that way we don't have to translate the value again.
+sub new {
+    my ($class, $field_test) = @_;
+    my $self = { %$field_test };
+    return bless $self, $class;
+}
+
+#############
+# Accessors #
+#############
+
+sub name {
+    my ($self) = @_;
+    return "NOT(" . $self->SUPER::name . ")";
+}
+
+# True if this test is supposed to contain the numbered bug. Reversed for
+# NOT tests.
+sub bug_is_contained {
+    my $self = shift;
+    my ($number) = @_;
+    # No search ever returns bug 6, because it's protected by security groups
+    # that the searcher isn't a member of.
+    return 0 if $number == 6;
+    return $self->SUPER::bug_is_contained(@_) ? 0 : 1;
+}
+
+# NOT tests have their own constant for tracking broken-ness.
+sub _known_broken {
+    my ($self) = @_;
+    return $self->SUPER::_known_broken(BROKEN_NOT, 'skip pg check');
+}
+
+sub search_params {
+    my ($self) = @_;
+    my %params = %{ $self->SUPER::search_params() };
+    $params{negate0} = 1;
+    return \%params;
+}
+
+1;
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