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diff --git a/3rdparty/modules/stdlib/spec/unit/puppet/parser/functions/enclose_ipv6_spec.rb b/3rdparty/modules/stdlib/spec/unit/puppet/parser/functions/enclose_ipv6_spec.rb
new file mode 100644
index 000000000..b162127d0
--- /dev/null
+++ b/3rdparty/modules/stdlib/spec/unit/puppet/parser/functions/enclose_ipv6_spec.rb
@@ -0,0 +1,69 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the enclose_ipv6 function" do
+  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+  it "should exist" do
+    expect(Puppet::Parser::Functions.function("enclose_ipv6")).to eq("function_enclose_ipv6")
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    expect { scope.function_enclose_ipv6([]) }.to( raise_error(Puppet::ParseError) )
+  end
+
+  it "should raise a ParseError if there is more than 1 arguments" do
+    expect { scope.function_enclose_ipv6(['argument1','argument2']) }.to( raise_error(Puppet::ParseError) )
+  end
+
+  it "should raise a ParseError when given garbage" do
+    expect { scope.function_enclose_ipv6(['garbage']) }.to( raise_error(Puppet::ParseError) )
+  end
+
+  it "should raise a ParseError when given something else than a string or an array" do
+    expect { scope.function_enclose_ipv6([['1' => '127.0.0.1']]) }.to( raise_error(Puppet::ParseError) )
+  end
+
+  it "should not raise a ParseError when given a single ip string" do
+    expect { scope.function_enclose_ipv6(['127.0.0.1']) }.to_not raise_error
+  end
+
+  it "should not raise a ParseError when given * as ip string" do
+    expect { scope.function_enclose_ipv6(['*']) }.to_not raise_error
+  end
+
+  it "should not raise a ParseError when given an array of ip strings" do
+    expect { scope.function_enclose_ipv6([['127.0.0.1','fe80::1']]) }.to_not raise_error
+  end
+
+  it "should not raise a ParseError when given differently notations of ip addresses" do
+    expect { scope.function_enclose_ipv6([['127.0.0.1','fe80::1','[fe80::1]']]) }.to_not raise_error
+  end
+
+  it "should raise a ParseError when given a wrong ipv4 address" do
+    expect { scope.function_enclose_ipv6(['127..0.0.1']) }.to( raise_error(Puppet::ParseError) )
+  end
+
+  it "should raise a ParseError when given a ipv4 address with square brackets" do
+    expect { scope.function_enclose_ipv6(['[127.0.0.1]']) }.to( raise_error(Puppet::ParseError) )
+  end
+
+  it "should raise a ParseError when given a wrong ipv6 address" do
+    expect { scope.function_enclose_ipv6(['fe80:::1']) }.to( raise_error(Puppet::ParseError) )
+  end
+
+  it "should embrace ipv6 adresses within an array of ip addresses" do
+    result = scope.function_enclose_ipv6([['127.0.0.1','fe80::1','[fe80::2]']])
+    expect(result).to(eq(['127.0.0.1','[fe80::1]','[fe80::2]']))
+  end
+
+  it "should embrace a single ipv6 adresse" do
+    result = scope.function_enclose_ipv6(['fe80::1'])
+    expect(result).to(eq(['[fe80::1]']))
+  end
+
+  it "should not embrace a single ipv4 adresse" do
+    result = scope.function_enclose_ipv6(['127.0.0.1'])
+    expect(result).to(eq(['127.0.0.1']))
+  end
+end