1 files changed, 19 insertions, 0 deletions
diff --git a/spec/rubyspec/command_line/dash_upper_s_spec.rb b/spec/rubyspec/command_line/dash_upper_s_spec.rb
new file mode 100644
index 0000000000..d0547a3630
--- /dev/null
+++ b/spec/rubyspec/command_line/dash_upper_s_spec.rb
@@ -0,0 +1,19 @@
+require File.expand_path('../../spec_helper', __FILE__)
+
+describe 'The -S command line option' do
+  before :each do
+    @path = [ENV['PATH'], fixture(__FILE__, "bin")].join(':')
+  end
+
+  platform_is_not :windows do
+    it "runs launcher found in PATH, but only code after the first /\#!.*ruby.*/-ish line in target file" do
+      result = ruby_exe(nil, options: '-S hybrid_launcher.sh', env: { 'PATH' => @path }, args: '2>&1')
+      result.should == "success\n"
+    end
+
+    it "runs launcher found in PATH" do
+      result = ruby_exe(nil, options: '-S launcher.rb', env: { 'PATH' => @path }, args: '2>&1')
+      result.should == "success\n"
+    end
+  end
+end