1 files changed, 23 insertions, 0 deletions
diff --git a/jni/ruby/test/ripper/test_files.rb b/jni/ruby/test/ripper/test_files.rb
new file mode 100644
index 0000000..5541a09
--- /dev/null
+++ b/jni/ruby/test/ripper/test_files.rb
@@ -0,0 +1,23 @@
+require 'test/unit'
+
+module TestRipper; end
+class TestRipper::Generic < Test::Unit::TestCase
+  def test_parse_files
+    srcdir = File.expand_path("../../..", __FILE__)
+    assert_separately(%W[--disable-gem -rripper - #{srcdir}],
+                      __FILE__, __LINE__, <<-'eom', timeout: Float::INFINITY)
+      TEST_RATIO = 0.05 # testing all files needs too long time...
+      class Parser < Ripper
+        PARSER_EVENTS.each {|n| eval "def on_#{n}(*args) r = [:#{n}, *args]; r.inspect; Object.new end" }
+        SCANNER_EVENTS.each {|n| eval "def on_#{n}(*args) r = [:#{n}, *args]; r.inspect; Object.new end" }
+      end
+      dir = ARGV.shift
+      for script in Dir["#{dir}/{lib,sample,ext,test}/**/*.rb"].sort
+        next if TEST_RATIO < rand
+        assert_nothing_raised("ripper failed to parse: #{script.inspect}") {
+          Parser.new(File.read(script), script).parse
+        }
+      end
+    eom
+  end
+end