1 files changed, 13 insertions, 0 deletions
diff --git a/spec/support/matchers.rb b/spec/support/matchers.rb
new file mode 100644
index 0000000..cb2b3c0
--- /dev/null
+++ b/spec/support/matchers.rb
@@ -0,0 +1,13 @@
+RSpec::Matchers.define :parse_as_valid_ruby do
+  require 'ripper'
+
+  match do |actual|
+    parsed = Ripper.sexp(actual)
+
+    !parsed.nil?
+  end
+
+  failure_message do |actual|
+    "expected that #{actual} would parse as valid Ruby"
+  end
+end