{"tests": [

{"description": "valid single class attribute value",
"input": "<span class=a>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with leading space",
"input": "<span class=' a'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with trailing space",
"input": "<span class='a '>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with leading and trailing space",
"input": "<span class=' a '>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with leading tab",
"input": "<span class='\ta'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with trailing tab",
"input": "<span class='a\t'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with leading and trailing tab",
"input": "<span class='\ta\t'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with leading LF",
"input": "<span class='\na'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with trailing LF",
"input": "<span class='a\n'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with leading and trailing LF",
"input": "<span class='\na\n'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with leading LT",
"input": "<span class='\u000Ba'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with trailing LT",
"input": "<span class='a\u000B'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with leading and trailing LT",
"input": "<span class='\u000Ba\u000B'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with leading FF",
"input": "<span class='\u000Ca'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with trailing FF",
"input": "<span class='a\u000C'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with leading and trailing FF",
"input": "<span class='\u000Ca\u000C'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with leading CR",
"input": "<span class='\ra'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with trailing CR",
"input": "<span class='a\r'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid single class attribute value with leading and trailing CR",
"input": "<span class='\ra\r'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid double class attribute value separated by space",
"input": "<span class='a b'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid double class attribute value separated by tab",
"input": "<span class='a\tb'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid double class attribute value separated by LF",
"input": "<span class='a\nb'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid double class attribute value separated by LT",
"input": "<span class='a\u000Bb'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid double class attribute value separated by FF",
"input": "<span class='a\u000Cb'>",
"fail-if": "invalid-attribute-value"},

{"description": "valid double class attribute value separated by CR",
"input": "<span class='a\rb'>",
"fail-if": "invalid-attribute-value"},

{"description": "invalid duplicated class attribute value separated by space",
"input": "<span class='a a'>",
"fail-unless": "invalid-attribute-value"},

{"description": "invalid duplicated class attribute value separated by tab",
"input": "<span class='a\ta'>",
"fail-unless": "invalid-attribute-value"},

{"description": "invalid duplicated class attribute value separated by LF",
"input": "<span class='a\na'>",
"fail-unless": "invalid-attribute-value"},

{"description": "invalid duplicated class attribute value separated by LT",
"input": "<span class='a\u000Ba'>",
"fail-unless": "invalid-attribute-value"},

{"description": "invalid duplicated class attribute value separated by FF",
"input": "<span class='a\u000Ca'>",
"fail-unless": "invalid-attribute-value"},

{"description": "invalid duplicated class attribute value separated by CR",
"input": "<span class='a\ra'>",
"fail-unless": "duplicate-value-in-token-list"},

{"description": "invalid duplicated class attribute value separated by space",
"input": "<span class='a a'>",
"fail-unless": "duplicate-value-in-token-list"},

{"description": "invalid duplicated class attribute value separated by tab",
"input": "<span class='a\ta'>",
"fail-unless": "duplicate-value-in-token-list"},

{"description": "invalid duplicated class attribute value separated by LF",
"input": "<span class='a\na'>",
"fail-unless": "duplicate-value-in-token-list"},

{"description": "invalid duplicated class attribute value separated by LT",
"input": "<span class='a\u000Ba'>",
"fail-unless": "duplicate-value-in-token-list"},

{"description": "invalid duplicated class attribute value separated by FF",
"input": "<span class='a\u000Ca'>",
"fail-unless": "duplicate-value-in-token-list"},

{"description": "invalid duplicated class attribute value separated by CR",
"input": "<span class='a\ra'>",
"fail-unless": "duplicate-value-in-token-list"}

]}

