diff --git a/test/test_generated.rb b/test/test_generated.rb
new file mode 100644
index 00000000..e5ac9544
--- /dev/null
+++ b/test/test_generated.rb
@@ -0,0 +1,40 @@
+class TestGenerated < Test::Unit::TestCase
+  include Linguist
+
+  def samples_path
+    File.expand_path("../../samples", __FILE__)
+  end
+
+  def generated_without_loading_data(name)
+    blob = File.join(samples_path, name)
+    Generated.generated?(blob, lambda { false })
+  end
+
+  def test_generated_without_loading_data
+    # Xcode project files
+    assert generated_without_loading_data("Binary/MainMenu.nib")
+    assert generated_without_loading_data("Dummy/foo.xcworkspacedata")
+    assert generated_without_loading_data("Dummy/foo.xcuserstate")
+
+    # .NET designer file
+    assert generated_without_loading_data("Dummu/foo.designer.cs")
+
+    # Composer generated composer.lock file
+    assert generated_without_loading_data("JSON/composer.lock")
+
+    # Node modules
+    assert generated_without_loading_data("Dummy/node_modules/foo.js")
+
+    # Godep saved dependencies
+    assert generated_without_loading_data("Godeps/Godeps.json")
+    assert generated_without_loading_data("Godeps/_workspace/src/github.com/kr/s3/sign.go")
+
+    # Generated by Zephir
+    assert generated_without_loading_data("Zephir/filenames/exception.zep.c")
+    assert generated_without_loading_data("Zephir/filenames/exception.zep.h")
+    assert generated_without_loading_data("Zephir/filenames/exception.zep.php")
+
+    # Minified files
+    assert !generated_without_loading_data("JavaScript/jquery-1.6.1.min.js")
+  end
+end