1 files changed, 42 insertions, 2 deletions
diff --git a/spec/ruby/command_line/dash_upper_i_spec.rb b/spec/ruby/command_line/dash_upper_i_spec.rb
index 0a00059949..4005a27d23 100644
--- a/spec/ruby/command_line/dash_upper_i_spec.rb
+++ b/spec/ruby/command_line/dash_upper_i_spec.rb
@@ -1,4 +1,4 @@
-require File.expand_path('../../spec_helper', __FILE__)
+require_relative '../spec_helper'
 
 describe "The -I command line option" do
   before :each do
@@ -6,6 +6,46 @@ describe "The -I command line option" do
   end
 
   it "adds the path to the load path ($:)" do
-    ruby_exe(@script, options: "-I fixtures").should include("fixtures")
+    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 PlatformGuard.implementation? :ruby
+      # 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
+
+platform_is_not :windows do
+  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
 end