1 files changed, 38 insertions, 0 deletions
diff --git a/spec/ruby/command_line/dash_upper_i_spec.rb b/spec/ruby/command_line/dash_upper_i_spec.rb
index f256a4351b..5d7109b6b6 100644
--- a/spec/ruby/command_line/dash_upper_i_spec.rb
+++ b/spec/ruby/command_line/dash_upper_i_spec.rb
@@ -8,4 +8,42 @@ describe "The -I command line option" do
   it "adds the path to the load path ($:)" do
     ruby_exe(@script, options: "-I fixtures").should include("fixtures")
   end
+
+  it "adds the path at the front of $LOAD_PATH" do
+    lines = ruby_exe(@script, options: "-I fixtures").lines
+    if File.basename(ruby_exe[0]) == "miniruby"
+      # In a MRI checkout, $PWD ends up as the first entry in $LOAD_PATH.
+      # So just assert that it's at the beginning.
+      idx = lines.index { |l| l.include?("fixtures") }
+      idx.should < 2
+      idx.should < lines.size-1
+    else
+      lines[0].should include("fixtures")
+    end
+  end
+
+  it "adds the path expanded from CWD to $LOAD_PATH" do
+    ruby_exe(@script, options: "-I fixtures").lines.should include "#{Dir.pwd}/fixtures\n"
+  end
+
+  it "expands a path from CWD even if it does not exist" do
+    ruby_exe(@script, options: "-I not_exist/not_exist").lines.should include "#{Dir.pwd}/not_exist/not_exist\n"
+  end
+end
+
+describe "The -I command line option" do
+  before :each do
+    @script = fixture __FILE__, "loadpath.rb"
+    @fixtures = File.dirname(@script)
+    @symlink = tmp("loadpath_symlink")
+    File.symlink(@fixtures, @symlink)
+  end
+
+  after :each do
+    rm_r @symlink
+  end
+
+  it "does not expand symlinks" do
+    ruby_exe(@script, options: "-I #{@symlink}").lines.should include "#{@symlink}\n"
+  end
 end