{"tests": [

{"description": "valid base target attribute '_self'",
"input": "<base target=_self>",
"fail-if": "invalid-browsing-context"},

{"description": "valid base target attribute '_parent'",
"input": "<base target=_parent>",
"fail-if": "invalid-browsing-context"},

{"description": "valid base target attribute '_top'",
"input": "<base target=_top>",
"fail-if": "invalid-browsing-context"},

{"description": "valid base target attribute '_blank'",
"input": "<base target=_blank>",
"fail-if": "invalid-browsing-context"},

{"description": "valid base target attribute 'foo'",
"input": "<base target=foo>",
"fail-if": "invalid-browsing-context"},

{"description": "base target attribute may be blank",
"input": "<base target>",
"fail-if": "invalid-browsing-context"},

{"description": "invalid base target attribute '_'",
"input": "<base target=_>",
"fail-unless": "invalid-browsing-context"},

{"description": "invalid base target attribute '_foo'",
"input": "<base target=_foo>",
"fail-unless": "invalid-browsing-context"}

]}