diff --git a/metadata.rb b/metadata.rb
index 22e825a9..005e76b9 100644
--- a/metadata.rb
+++ b/metadata.rb
@@ -5,7 +5,7 @@
 description 'Resources for configuring and provisioning macOS'
 long_description 'Resources for configuring and provisioning macOS'
 chef_version '~> 13.0' if respond_to?(:chef_version)
-version '1.0.0'
+version '1.1.0'
 
 source_url 'https://github.com/Microsoft/macos-cookbook'
 issues_url 'https://github.com/Microsoft/macos-cookbook/issues'
diff --git a/resources/macos_user.rb b/resources/macos_user.rb
index 75da963d..c9a2aeda 100644
--- a/resources/macos_user.rb
+++ b/resources/macos_user.rb
@@ -5,6 +5,7 @@
 property :password, String, default: 'password'
 property :autologin, [TrueClass]
 property :admin, [TrueClass]
+property :fullname, String
 
 action_class do
   def user_home
@@ -25,19 +26,28 @@ def sysadminctl
     '/usr/sbin/sysadminctl'
   end
 
-  def admin_user?
+  def user_fullname
+    property_is_set?(:fullname) ? ['-fullName', new_resource.fullname] : ''
+  end
+
+  def admin_user
     if property_is_set?(:admin)
       '-admin'
     else
       ''
     end
   end
+
+  def user_already_exists?
+    users_output = shell_out!('/usr/bin/dscl', '.', '-list', '/users').stdout
+    users_output.split("\n").include?(new_resource.username)
+  end
 end
 
 action :create do
   execute "add user #{new_resource.username}" do
-    command "#{sysadminctl} -addUser #{new_resource.username} -password #{new_resource.password} #{admin_user?}"
-    not_if { ::File.exist? user_home }
+    command [sysadminctl, '-addUser', new_resource.username, *user_fullname, '-password', new_resource.password, admin_user]
+    not_if { ::File.exist?(user_home) && user_already_exists? }
   end
 
   if property_is_set?(:autologin)
@@ -73,6 +83,6 @@ def admin_user?
 
   execute "delete user: #{user}" do
     command "#{sysadminctl} -deleteUser #{new_resource.username}"
-    only_if { "/usr/bin/dscl . -list /users | grep ^#{new_resource.username}$" }
+    only_if { user_already_exists? }
   end
 end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 6e059ed4..b09cc2b1 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -4,6 +4,7 @@
 require_relative '../libraries/macos_user'
 require_relative '../libraries/plist'
 require_relative '../libraries/xcode'
+require_relative '../libraries/xcversion'
 
 RSpec.configure do |config|
   config.platform = 'mac_os_x'
diff --git a/spec/unit/libraries/xcode_spec.rb b/spec/unit/libraries/xcode_spec.rb
new file mode 100644
index 00000000..85d6581a
--- /dev/null
+++ b/spec/unit/libraries/xcode_spec.rb
@@ -0,0 +1,55 @@
+require 'spec_helper'
+include MacOS::Xcode
+
+describe MacOS::Xcode::Simulator do
+  context 'when provided an available list of simulators' do
+    before do
+      allow_any_instance_of(MacOS::Xcode::Simulator).to receive(:available_versions)
+        .and_return(<<-XCVERSION_OUTPUT
+                    Xcode 9.2 (/Applications/Xcode-9.2.app)
+                    iOS 8.1 Simulator (not installed)
+                    iOS 8.2 Simulator (not installed)
+                    iOS 8.3 Simulator (not installed)
+                    iOS 8.4 Simulator (not installed)
+                    iOS 9.0 Simulator (not installed)
+                    iOS 9.1 Simulator (not installed)
+                    iOS 9.2 Simulator (not installed)
+                    iOS 9.3 Simulator (not installed)
+                    iOS 10.0 Simulator (not installed)
+                    iOS 10.1 Simulator (not installed)
+                    tvOS 9.0 Simulator (not installed)
+                    tvOS 9.1 Simulator (not installed)
+                    tvOS 9.2 Simulator (not installed)
+                    tvOS 10.0 Simulator (not installed)
+                    watchOS 2.0 Simulator (not installed)
+                    watchOS 2.1 Simulator (not installed)
+                    watchOS 2.2 Simulator (not installed)
+                    tvOS 10.1 Simulator (not installed)
+                    iOS 10.2 Simulator (not installed)
+                    watchOS 3.1 Simulator (not installed)
+                    iOS 10.3.1 Simulator (not installed)
+                    watchOS 3.2 Simulator (not installed)
+                    tvOS 10.2 Simulator (not installed)
+                    iOS 11.0 Simulator (not installed)
+                    watchOS 4.0 Simulator (not installed)
+                    tvOS 11.0 Simulator (not installed)
+                    tvOS 11.1 Simulator (not installed)
+                    watchOS 4.1 Simulator (not installed)
+                    iOS 11.1 Simulator (not installed)
+                    XCVERSION_OUTPUT
+                   )
+    end
+    it 'returns the latest semantic version of iOS 11' do
+      s = MacOS::Xcode::Simulator.new('11')
+      expect(s.version).to eq 'iOS 11.1'
+    end
+    it 'returns the latest semantic version of iOS 10' do
+      s = MacOS::Xcode::Simulator.new('10')
+      expect(s.version).to eq 'iOS 10.3.1'
+    end
+    it 'returns the latest semantic version of iOS 9' do
+      s = MacOS::Xcode::Simulator.new('9')
+      expect(s.version).to eq 'iOS 9.3'
+    end
+  end
+end
diff --git a/spec/unit/libraries/xcversion_spec.rb b/spec/unit/libraries/xcversion_spec.rb
new file mode 100644
index 00000000..18cbf5b6
--- /dev/null
+++ b/spec/unit/libraries/xcversion_spec.rb
@@ -0,0 +1,56 @@
+require 'spec_helper'
+include MacOS::XCVersion
+
+describe MacOS::XCVersion.install_xcode('9.0') do
+  context "when passed '9.0'" do
+    it 'returns the full xcversion install command for Xcode 9.0' do
+      expect(MacOS::XCVersion.install_xcode('9.0'))
+        .to eq "/opt/chef/embedded/bin/xcversion install '9'"
+    end
+  end
+end
+
+describe MacOS::XCVersion.install_xcode('8.3.3') do
+  context "when passed '8.3.3'" do
+    it 'returns the full xcversion install command for Xcode 8.3.3' do
+      expect(MacOS::XCVersion.install_xcode('8.3.3'))
+        .to eq "/opt/chef/embedded/bin/xcversion install '8.3.3'"
+    end
+  end
+end
+
+describe MacOS::XCVersion.install_xcode('8.2') do
+  context "when passed '8.2'" do
+    it 'returns the full xcversion install command for Xcode 8.2' do
+      expect(MacOS::XCVersion.install_xcode('8.2'))
+        .to eq "/opt/chef/embedded/bin/xcversion install '8.2'"
+    end
+  end
+end
+
+describe MacOS::XCVersion.apple_pseudosemantic_version('9.0') do
+  context "when passed '9.0'" do
+    it "returns '9'" do
+      expect(MacOS::XCVersion.apple_pseudosemantic_version('9.0'))
+        .to eq '9'
+    end
+  end
+end
+
+describe MacOS::XCVersion.apple_pseudosemantic_version('8.3.3') do
+  context "when passed '8.3.3'" do
+    it "returns '8.3.3'" do
+      expect(MacOS::XCVersion.apple_pseudosemantic_version('8.3.3'))
+        .to eq '8.3.3'
+    end
+  end
+end
+
+describe MacOS::XCVersion.apple_pseudosemantic_version('8.2') do
+  context "when passed '8.2'" do
+    it "it returns '8.2'" do
+      expect(MacOS::XCVersion.apple_pseudosemantic_version('8.2'))
+        .to eq '8.2'
+    end
+  end
+end
diff --git a/test/cookbooks/macos_test/recipes/new_users.rb b/test/cookbooks/macos_test/recipes/new_users.rb
index a12c4d6e..24ddb38e 100644
--- a/test/cookbooks/macos_test/recipes/new_users.rb
+++ b/test/cookbooks/macos_test/recipes/new_users.rb
@@ -7,5 +7,6 @@
 
 macos_user 'create non-admin user johnny' do
   username 'johnny'
+  fullname 'Johnny Appleseed'
   password 'yang-yolked-cordon-karate'
 end
diff --git a/test/cookbooks/macos_test/test/smoke/default/new_users_test.rb b/test/cookbooks/macos_test/test/smoke/default/new_users_test.rb
index 4d6a0a53..2f786fa3 100644
--- a/test/cookbooks/macos_test/test/smoke/default/new_users_test.rb
+++ b/test/cookbooks/macos_test/test/smoke/default/new_users_test.rb
@@ -14,4 +14,10 @@
     its('gid') { should eq 20 }
     its('home') { should eq '/Users/johnny' }
   end
+
+  realname_cmd = 'dscl . read /Users/johnny RealName | grep -v RealName | cut -c 2-'
+
+  describe command(realname_cmd) do
+    its('stdout.strip') { should eq 'Johnny Appleseed' }
+  end
 end