2 files changed, 8 insertions, 3 deletions
diff --git a/spec/unit/puppet/parser/functions/merge_spec.rb b/spec/unit/puppet/parser/functions/merge_spec.rb
index db7d837..79079b6 100644
--- a/spec/unit/puppet/parser/functions/merge_spec.rb
+++ b/spec/unit/puppet/parser/functions/merge_spec.rb
@@ -25,7 +25,12 @@ describe Puppet::Parser::Functions.function(:merge) do
 
   describe 'when calling merge on the scope instance' do
     it 'should require all parameters are hashes' do
-      expect { new_hash = scope.function_merge([{}, '2'])}.should raise_error(Puppet::ParseError, /unexpected argument type String/)
+      expect { new_hash = scope.function_merge([{}, '2'])}.to raise_error(Puppet::ParseError, /unexpected argument type String/)
+      expect { new_hash = scope.function_merge([{}, 2])}.to raise_error(Puppet::ParseError, /unexpected argument type Fixnum/)
+    end
+
+    it 'should accept empty strings as puppet undef' do
+      expect { new_hash = scope.function_merge([{}, ''])}.to raise_error
     end
 
     it 'should be able to merge two hashes' do
diff --git a/spec/unit/puppet/parser/functions/validate_absolute_path_spec.rb b/spec/unit/puppet/parser/functions/validate_absolute_path_spec.rb
index 08aaf78..1c9cce2 100644
--- a/spec/unit/puppet/parser/functions/validate_absolute_path_spec.rb
+++ b/spec/unit/puppet/parser/functions/validate_absolute_path_spec.rb
@@ -35,7 +35,7 @@ describe Puppet::Parser::Functions.function(:validate_absolute_path) do
       end
       valid_paths.each do |path|
         it "validate_absolute_path(#{path.inspect}) should not fail" do
-          expect { subject.call [path] }.not_to raise_error Puppet::ParseError
+          expect { subject.call [path] }.not_to raise_error
         end
       end
     end
@@ -43,7 +43,7 @@ describe Puppet::Parser::Functions.function(:validate_absolute_path) do
     context "Puppet without mocking" do
       valid_paths.each do |path|
         it "validate_absolute_path(#{path.inspect}) should not fail" do
-          expect { subject.call [path] }.not_to raise_error Puppet::ParseError
+          expect { subject.call [path] }.not_to raise_error
         end
       end
     end