1 files changed, 23 insertions, 0 deletions
diff --git a/spec/ruby/core/env/rassoc_spec.rb b/spec/ruby/core/env/rassoc_spec.rb
new file mode 100644
index 0000000000..3a86e7e158
--- /dev/null
+++ b/spec/ruby/core/env/rassoc_spec.rb
@@ -0,0 +1,23 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "ENV.rassoc" do
+  after :each do
+    ENV.delete("foo")
+  end
+
+  it "returns an array of the key and value of the environment variable with the given value" do
+    ENV["foo"] = "bar"
+    ENV.rassoc("bar").should == ["foo", "bar"]
+  end
+
+  it "returns nil if no environment variable with the given value exists" do
+    ENV.rassoc("bar").should == nil
+  end
+
+  it "returns the value element coerced with #to_str" do
+    ENV["foo"] = "bar"
+    v = mock('value')
+    v.should_receive(:to_str).and_return("bar")
+    ENV.rassoc(v).should == ["foo", "bar"]
+  end
+end