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(* Title: HOL/Nitpick_Examples/Record_Nits.thy
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Author: Jasmin Blanchette, TU Muenchen
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Copyright 2009
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Examples featuring Nitpick applied to records.
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*)
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header {* Examples Featuring Nitpick Applied to Records *}
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theory Record_Nits
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imports Main
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begin
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record point2d =
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xc :: int
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yc :: int
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lemma "\<lparr>xc = x, yc = y\<rparr> = p\<lparr>xc := x, yc := y\<rparr>"
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nitpick [expect = none]
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sorry
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lemma "\<lparr>xc = x, yc = y\<rparr> = p\<lparr>xc := x\<rparr>"
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nitpick [expect = genuine]
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oops
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lemma "p\<lparr>xc := x, yc := y\<rparr> \<noteq> p"
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nitpick [expect = genuine]
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oops
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lemma "p\<lparr>xc := x, yc := y\<rparr> = p"
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nitpick [expect = genuine]
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oops
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record point3d = point2d +
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zc :: int
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lemma "\<lparr>xc = x, yc = y, zc = z\<rparr> = p\<lparr>xc := x, yc := y, zc := z\<rparr>"
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nitpick [expect = none]
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sorry
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lemma "\<lparr>xc = x, yc = y, zc = z\<rparr> = p\<lparr>xc := x\<rparr>"
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nitpick [expect = genuine]
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oops
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lemma "\<lparr>xc = x, yc = y, zc = z\<rparr> = p\<lparr>zc := z\<rparr>"
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nitpick [expect = genuine]
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oops
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lemma "p\<lparr>xc := x, yc := y, zc := z\<rparr> \<noteq> p"
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nitpick [expect = genuine]
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oops
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lemma "p\<lparr>xc := x, yc := y, zc := z\<rparr> = p"
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nitpick [expect = genuine]
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oops
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record point4d = point3d +
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wc :: int
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lemma "\<lparr>xc = x, yc = y, zc = z, wc = w\<rparr> = p\<lparr>xc := x, yc := y, zc := z, wc := w\<rparr>"
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nitpick [expect = none]
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sorry
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lemma "\<lparr>xc = x, yc = y, zc = z, wc = w\<rparr> = p\<lparr>xc := x\<rparr>"
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nitpick [expect = genuine]
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oops
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lemma "\<lparr>xc = x, yc = y, zc = z, wc = w\<rparr> = p\<lparr>zc := z\<rparr>"
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nitpick [expect = genuine]
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oops
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lemma "\<lparr>xc = x, yc = y, zc = z, wc = w\<rparr> = p\<lparr>wc := w\<rparr>"
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nitpick [expect = genuine]
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oops
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lemma "p\<lparr>xc := x, yc := y, zc := z, wc := w\<rparr> \<noteq> p"
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nitpick [expect = genuine]
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oops
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lemma "p\<lparr>xc := x, yc := y, zc := z, wc := w\<rparr> = p"
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nitpick [expect = genuine]
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oops
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end
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