+
+# error on unavailable version for arch
+testequal "$HEADER
+E: Can not find a package 'foo:amd64' with version '2.0'
+E: Unable to find a source package for foo:amd64=2.0" aptget source -q --print-uris foo:amd64=2.0
+
+# error on unavailable release for arch
+testequal "$HEADER
+E: Can not find a package 'foo:amd64' with release 'oldstable'
+E: Unable to find a source package for foo:amd64/oldstable" aptget source -q --print-uris foo:amd64/oldstable