7 tests to induct xsd:boolean into SPARQL

A while ago, it became clear that, since we were talking about
xsd:boolean in the spec, the type should probably be recognized by
SPARQL. To that end, I've created these tests:

EBV result is the same as xsd:boolean
-> http://www.w3.org/2001/sw/DataAccess/tests/#boolean-logical-or

"false"^^xsd:boolean = "0"^^xsd:boolean
-> http://www.w3.org/2001/sw/DataAccess/tests/#boolean-equiv-false

"true"^^xsd:boolean = "1"^^xsd:boolean
-> http://www.w3.org/2001/sw/DataAccess/tests/#boolean-equiv-true

T=T T=1 1=T 1=1 F=F F=0 0=F 0=0
-> http://www.w3.org/2001/sw/DataAccess/tests/#boolean-equiv-xsdtype

graph match canonical lexical form of "false"
-> http://www.w3.org/2001/sw/DataAccess/tests/#boolean-false-canonical

graph match on the canonical lexical form of "true"
-> http://www.w3.org/2001/sw/DataAccess/tests/#boolean-true-canonical

= match on the canonical lexical result of an EBV
-> http://www.w3.org/2001/sw/DataAccess/tests/#boolean-ebv-canonical


-- 
-eric

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