diff --git a/spec/unit/pops/types/class_loader_spec.rb b/spec/unit/pops/types/class_loader_spec.rb
new file mode 100644
index 000000000..66ccc2b18
--- /dev/null
+++ b/spec/unit/pops/types/class_loader_spec.rb
@@ -0,0 +1,10 @@
+require 'spec_helper'
+require 'puppet/pops'
+
+describe 'the Puppet::Pops::Types::ClassLoader' do
+  it 'should produce path alternatives for CamelCase classes' do
+    expected_paths = ['puppet_x/some_thing', 'puppetx/something']
+    # path_for_name method is private
+    expect(Puppet::Pops::Types::ClassLoader.send(:paths_for_name, ['PuppetX', 'SomeThing'])).to include(*expected_paths)
+  end
+end
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