1 files changed, 23 insertions, 0 deletions
diff --git a/spec/ruby/core/env/assoc_spec.rb b/spec/ruby/core/env/assoc_spec.rb
new file mode 100644
index 0000000000..fb10a52b3c
--- /dev/null
+++ b/spec/ruby/core/env/assoc_spec.rb
@@ -0,0 +1,23 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "ENV.assoc" do
+  after :each do
+    ENV.delete("foo")
+  end
+
+  it "returns an array of the key and value of the environment variable with the given key" do
+    ENV["foo"] = "bar"
+    ENV.assoc("foo").should == ["foo", "bar"]
+  end
+
+  it "returns nil if no environment variable with the given key exists" do
+    ENV.assoc("foo").should == nil
+  end
+
+  it "returns the key element coerced with #to_str" do
+    ENV["foo"] = "bar"
+    k = mock('key')
+    k.should_receive(:to_str).and_return("foo")
+    ENV.assoc(k).should == ["foo", "bar"]
+  end
+end