+
+# adding a pagespec that requires page metadata should cause a fallback to
+# a content dependency
+foreach my $spec ("* and ! link(bar)", "* or link(bar)", "unknownspec()",
+ "title(hi)",
+ "* or unknown(yo)", # this one could actually be acceptably be
+ # detected to not need a content dep .. in
+ # theory!
+ ) {
+ ok(add_depends("foo3", $spec, presence => 1));
+ ok($IkiWiki::depends{foo3}{$spec} & $IkiWiki::DEPEND_CONTENT);
+ ok(! ($IkiWiki::depends{foo3}{$spec} & ($IkiWiki::DEPEND_PRESENCE | $IkiWiki::DEPEND_LINKS)));
+ ok(add_depends("foo4", $spec, links => 1));
+ ok($IkiWiki::depends{foo3}{$spec} & $IkiWiki::DEPEND_CONTENT);
+ ok(! ($IkiWiki::depends{foo3}{$spec} & ($IkiWiki::DEPEND_PRESENCE | $IkiWiki::DEPEND_LINKS)));
+}
+
+# a pagespec with backlinks() in it is acceptable for a links dependency,
+# but not a presence dependency
+foreach my $spec ("index or (backlink(index) and !*.png)", "backlink(foo)") {
+ ok(add_depends("foo5", $spec, presence => 1));
+ ok($IkiWiki::depends{foo5}{$spec} & $IkiWiki::DEPEND_CONTENT);
+ ok(! ($IkiWiki::depends{foo5}{$spec} & ($IkiWiki::DEPEND_PRESENCE | $IkiWiki::DEPEND_LINKS)));
+ ok(add_depends("foo6", $spec, links => 1));
+ ok($IkiWiki::depends{foo6}{$spec} & $IkiWiki::DEPEND_LINKS);
+ ok(! ($IkiWiki::depends{foo6}{$spec} & ($IkiWiki::DEPEND_PRESENCE | $IkiWiki::DEPEND_CONTENT)));
+ # combining both ends up with a content+links dependency
+ ok(add_depends("foo7", $spec, presence => 1, links => 1));
+ ok($IkiWiki::depends{foo7}{$spec} & $IkiWiki::DEPEND_CONTENT);
+ ok($IkiWiki::depends{foo7}{$spec} & $IkiWiki::DEPEND_LINKS);
+ ok(! ($IkiWiki::depends{foo7}{$spec} & $IkiWiki::DEPEND_PRESENCE));
+}