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Code Issues 15 Releases 21 Activity

Added unit test covering circular dependencies with #show statements.

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This commit is contained in:
Patrick Lühne 2017-06-05 03:34:13 +02:00
parent adabe1bf1a
commit 7904b41e60
Signed by: patrick
GPG Key ID: 05F3611E97A70ABF
1 changed files with 15 additions and 0 deletions
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15
tests/TestHiddenPredicateElimination.cpp
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@ -91,4 +91,19 @@ TEST_CASE("[hidden predicate elimination] Hidden predicates are correctly elimin
"forall V3 (c(V3) <-> (V3 = 1 or V3 = 2))\n" "forall V3 (c(V3) <-> (V3 = 1 or V3 = 2))\n"
"forall V4 not d(V4)\n"); "forall V4 not d(V4)\n");
} }
SECTION("circular dependencies cannot be fully removed")
{
input <<
"a(X) :- b(X).\n"
"b(X) :- not c(X).\n"
"c(X) :- d(X).\n"
"d(X) :- not b(X).\n"
"#show a/1.";
anthem::translate("input", input, context);
CHECK(output.str() ==
"forall V1 (a(V1) <-> not d(V1))\n"
"forall V2 (d(V2) <-> not not d(V2))\n");
}
} }