2 files changed, 31 insertions, 3 deletions
diff --git a/spec/coderay_spec.rb b/spec/coderay_spec.rb
index 2c7b91e..88c9aec 100644
--- a/spec/coderay_spec.rb
+++ b/spec/coderay_spec.rb
@@ -1,9 +1,35 @@
 require File.expand_path('../spec_helper', __FILE__)
 
 RSpec.describe CodeRay do
-  describe 'version' do
+  describe '::VERSION' do
     it "returns the Gem's version" do
       expect(CodeRay::VERSION).to match(/\A\d\.\d\.\d?\z/)
     end
   end
+
+  describe '.coderay_path' do
+    it 'returns an absolute file path to the given code file' do
+      base = File.expand_path('../..', __FILE__)
+      expect(CodeRay.coderay_path('file')).to eq("#{base}/lib/coderay/file")
+    end
+  end
+
+  describe '.scan' do
+    let(:code) { 'puts "Hello, World!"' }
+    let(:tokens) do
+      [
+        ['puts', :ident],
+        [' ', :space],
+        [:begin_group, :string],
+          ['"', :delimiter],
+          ['Hello, World!', :content],
+          ['"', :delimiter],
+        [:end_group, :string]
+      ].flatten
+    end
+
+    it 'returns tokens' do
+      expect(CodeRay.scan(code, :ruby).tokens).to eq(tokens)
+    end
+  end
 end
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 66f4127..78a60b2 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -1,5 +1,7 @@
-require 'simplecov'
-SimpleCov.start
+unless RUBY_VERSION[/^2.3/]
+  require 'simplecov'
+  SimpleCov.start
+end
 
 # This file was generated by the `rspec --init` command. Conventionally, all
 # specs live under a `spec` directory, which RSpec adds to the `$LOAD_PATH`.