Remove pre-1.99 use of :context.

lib/rdf/spec/enumerable.rb

@@ -500,7 +500,7 @@
       it {is_expected.to be_an_enumerator}
       it {is_expected.to be_countable}
       it "enumerates the same as #each_graph" do
-        expect(subject.to_a).to include(*enumerable.each_graph.to_a) if @supports_context # expect with match problematic
+        expect(subject.to_a).to include(*enumerable.each_graph.to_a) if @supports_named_graphs # expect with match problematic
       end
     end
   end

lib/rdf/spec/queryable.rb

@@ -77,43 +77,7 @@
         end
       end
 
-      context "with context", unless: RDF::VERSION.to_s >= "1.99" do
-        it "returns statements from all contexts with no context" do
-          pattern = RDF::Query::Pattern.new(nil, nil, nil, context: nil)
-          solutions = []
-          subject.send(method, pattern) {|s| solutions << s}
-          expect(solutions.size).to eq @statements.size
-        end
-
-        it "returns statements from unnamed contexts with false context" do
-          pattern = RDF::Query::Pattern.new(nil, nil, nil, context: false)
-          solutions = []
-          subject.send(method, pattern) {|s| solutions << s}
-          context_statements = subject.statements.reject {|st| st.has_context?}.length
-          expect(solutions.size).to eq context_statements
-        end
-
-        it "returns statements from named contexts with variable context" do
-          unless subject.contexts.to_a.empty?
-            pattern = RDF::Query::Pattern.new(nil, nil, nil, context: :c)
-            solutions = []
-            subject.send(method, pattern) {|s| solutions << s}
-            context_statements = subject.statements.select {|st| st.has_context?}.length
-            expect(solutions.size).to eq context_statements
-          end
-        end
-
-        it "returns statements from specific context with URI context" do
-          unless subject.contexts.to_a.empty?
-            pattern = RDF::Query::Pattern.new(nil, nil, nil, context: RDF::URI("http://ar.to/#self"))
-            solutions = []
-            subject.send(method, pattern) {|s| solutions << s}
-            expect(solutions.size).to eq File.readlines(@doap).grep(/^<http:\/\/ar.to\/\#self>/).size
-          end
-        end
-      end
-
-      context "with graph_name", if: RDF::VERSION.to_s >= "1.99" do
+      context "with graph_name" do
         it "returns statements from all graphs with no graph_name" do
           pattern = RDF::Query::Pattern.new(nil, nil, nil, graph_name: nil)
           solutions = []

lib/rdf/spec/transaction.rb

@@ -79,7 +79,7 @@
       subject.execute(r)
     end
 
-    context 'with graph names', if: RDF::VERSION.to_s >= "1.99" do
+    context 'with graph names' do
       let(:s) {RDF::Statement.new(RDF::URI("s"), RDF::URI("p"), RDF::URI("o"))}
       let(:s_with_c) {RDF::Statement.new(RDF::URI("s"), RDF::URI("p"), RDF::URI("o"), graph_name: RDF::URI('c_st'))}
 
@@ -135,7 +135,7 @@
     end
   end
 
-  context 'with graph names', if: RDF::VERSION.to_s >= "1.99" do
+  context 'with graph names' do
     let(:s) {RDF::Statement.new(RDF::URI("s"), RDF::URI("p"), RDF::URI("o"))}
     let(:s_with_c) {RDF::Statement.new(RDF::URI("s"), RDF::URI("p"), RDF::URI("o"), graph_name: RDF::URI('c_st'))}
 

lib/rdf/spec/writable.rb

@@ -114,23 +114,7 @@
       end
     end
 
-    it "should treat statements with a different context as distinct", unless: RDF::VERSION.to_s >= "1.99" do
-      if subject.writable?
-        s1 = statement.dup
-        s1.context = nil
-        s2 = statement.dup
-        s2.context = RDF::URI.new("urn:context:1")
-        s3 = statement.dup
-        s3.context = RDF::URI.new("urn:context:2")
-        subject.insert(s1)
-        subject.insert(s2)
-        subject.insert(s3)
-        # If contexts are not suported, all three are redundant
-        expect(subject.count).to eq (supports_graph_name ? 3 : 1)
-      end
-    end
-
-    it "should treat statements with a different graph_name as distinct", if: RDF::VERSION.to_s >= "1.99" do
+    it "should treat statements with a different graph_name as distinct" do
       if subject.writable?
         s1 = statement.dup
         s1.graph_name = nil