feat: add eval test cases for empty graph and isImpliedBy

tests/N3Tests/graph/empty_graph.n3

@@ -0,0 +1,3 @@
+@prefix : <http://example.com/> .
+
+:a :b {} .

tests/N3Tests/graph/empty_graph.nq

@@ -0,0 +1 @@
+<http://example.com/a> <http://example.com/b> "true"^^<http://www.w3.org/2001/XMLSchema#boolean> .

tests/N3Tests/graph/empty_graph_implies.n3

@@ -0,0 +1,5 @@
+@prefix : <http://example.com/> .
+
+{
+  {} => {}
+} => {} .

tests/N3Tests/graph/empty_graph_implies_result.n3

@@ -0,0 +1,3 @@
+{
+  "true"^^<http://www.w3.org/2001/XMLSchema#boolean> <http://www.w3.org/2000/10/swap/log#implies> "true"^^<http://www.w3.org/2001/XMLSchema#boolean> 
+} <http://www.w3.org/2000/10/swap/log#implies> "true"^^<http://www.w3.org/2001/XMLSchema#boolean> .

tests/N3Tests/isImpliedBy/isImpliedBy.n3

@@ -0,0 +1,3 @@
+@prefix : <http://example.com/> .
+
+:a <= :b .

tests/N3Tests/isImpliedBy/isImpliedBy.nq

@@ -0,0 +1 @@
+<http://example.com/a> <http://www.w3.org/2000/10/swap/log#isImpliedBy> <http://example.com/b> .

tests/N3Tests/isImpliedBy/isImpliedBy_bcRule.n3

@@ -0,0 +1,6 @@
+@prefix log: <http://www.w3.org/2000/10/swap/log#> .
+@prefix : <http://example.org/> .
+:s :p {
+  { ?a :b1 :c1 } <= { ?a :b :c } .
+} .
+{ :s :p ?O } => ?O .

tests/N3Tests/isImpliedBy/isImpliedBy_bcRule_result.n3

@@ -0,0 +1,9 @@
+{ <http://example.org/s> <http://example.org/p> ?O } <http://www.w3.org/2000/10/swap/log#implies> ?O .
+
+<http://example.org/s> <http://example.org/p> {
+  {
+    ?a <http://example.org/b1> <http://example.org/c1> .
+  } <http://www.w3.org/2000/10/swap/log#isImpliedBy> {
+    ?a <http://example.org/b> <http://example.org/c> .
+  } .
+} .

tests/N3Tests/isImpliedBy/isImpliedBy_graphs.n3

@@ -0,0 +1,7 @@
+@prefix : <http://example.com/> .
+
+{
+  :a :b :c .
+} <= {
+  :d :e :f .
+} .

tests/N3Tests/isImpliedBy/isImpliedBy_graphs_result.n3

@@ -0,0 +1,5 @@
+{
+  <http://example.com/a> <http://example.com/b> <http://example.com/c>
+} <http://www.w3.org/2000/10/swap/log#isImpliedBy> {
+  <http://example.com/d> <http://example.com/e> <http://example.com/f>
+} .

tests/N3Tests/manifest-parser.ttl

@@ -1023,6 +1023,46 @@
         mf:action      <cwm_syntax/djb1.n3> ;
         mf:name        "djb1" .
 
+:empty_graph_eval
+        a              test:TestN3Eval ;
+        mf:action      <graph/empty_graph.n3> ;
+        mf:result      <graph/empty_graph.nq> ;
+        mf:name        "Empty Graph Eval";
+        rdfs:comment   "Empty Graph should be parsed as the the literal true";
+        rdft:approval  rdft:Approved .
+
+:empty_graph_implies_eval
+        a              test:TestN3Eval ;
+        mf:action      <graph/empty_graph_implies.n3> ;
+        mf:result      <graph/empty_graph_implies_result.n3> ;
+        mf:name        "Empty Graph Implies Eval";
+        rdfs:comment   "Empty Graph should be parsed as the the literal true when in global scope and when in a premise";
+        rdft:approval  rdft:Approved .
+
+:isImpliedBy
+        a              test:TestN3Eval ;
+        mf:action      <isImpliedBy/isImpliedBy.n3> ;
+        mf:result      <isImpliedBy/isImpliedBy.nq> ;
+        mf:name        "isImpliedBy Eval";
+        rdfs:comment   "<= should be parsed as log:isImpliedBy";
+        rdft:approval  rdft:Approved .
+
+:isImpliedBy_graphs
+        a              test:TestN3Eval ;
+        mf:action      <isImpliedBy/isImpliedBy_graphs.n3> ;
+        mf:result      <isImpliedBy/isImpliedBy_graphs_result.n3> ;
+        mf:name        "isImpliedBy Eval";
+        rdfs:comment   "<= should be parsed as log:isImpliedBy in a complex use case";
+        rdft:approval  rdft:Approved .
+
+:isImpliedBy_bcRule
+        a              test:TestN3Eval ;
+        mf:action      <isImpliedBy/isImpliedBy_bcRule.n3> ;
+        mf:result      <isImpliedBy/isImpliedBy_bcRule_result.n3> ;
+        mf:name        "isImpliedBy Eval";
+        rdfs:comment   "<= should be parsed as log:isImpliedBy in a bcRule";
+        rdft:approval  rdft:Approved .
+
 :cwm_syntax_djb1a.n3
         a              test:TestN3Eval ;
         mf:action      <cwm_syntax/djb1a.n3> ;