1 files changed, 38 insertions, 0 deletions
diff --git a/spec/rubyspec/library/getoptlong/ordering_spec.rb b/spec/rubyspec/library/getoptlong/ordering_spec.rb
new file mode 100644
index 0000000000..e445de2255
--- /dev/null
+++ b/spec/rubyspec/library/getoptlong/ordering_spec.rb
@@ -0,0 +1,38 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'getoptlong'
+
+describe "GetoptLong#ordering=" do
+  it "raises an ArgumentError if called after processing has started" do
+    argv [ "--size", "10k", "--verbose" ] do
+      opts = GetoptLong.new([ '--size', GetoptLong::REQUIRED_ARGUMENT ],
+        [ '--verbose', GetoptLong::NO_ARGUMENT ])
+      opts.quiet = true
+      opts.get
+
+      lambda {
+        opts.ordering = GetoptLong::PERMUTE
+      }.should raise_error(ArgumentError)
+    end
+  end
+
+  it "raises an ArgumentError if given an invalid value" do
+    opts = GetoptLong.new
+
+    lambda {
+      opts.ordering = 12345
+    }.should raise_error(ArgumentError)
+  end
+
+  it "does not allow changing ordering to PERMUTE if ENV['POSIXLY_CORRECT'] is set" do
+    begin
+      old_env_value = ENV['POSIXLY_CORRECT']
+      ENV['POSIXLY_CORRECT'] = ""
+
+      opts = GetoptLong.new
+      opts.ordering = GetoptLong::PERMUTE
+      opts.ordering.should == GetoptLong::REQUIRE_ORDER
+    ensure
+      ENV['POSIXLY_CORRECT'] = old_env_value
+    end
+  end
+end