1 files changed, 21 insertions, 0 deletions
diff --git a/spec/ruby/core/string/eql_spec.rb b/spec/ruby/core/string/eql_spec.rb
new file mode 100644
index 0000000000..46ebeda509
--- /dev/null
+++ b/spec/ruby/core/string/eql_spec.rb
@@ -0,0 +1,21 @@
+require_relative '../../spec_helper'
+require_relative 'shared/eql'
+
+describe "String#eql?" do
+  it_behaves_like :string_eql_value, :eql?
+
+  describe "when given a non-String" do
+    it "returns false" do
+      'hello'.should_not.eql?(5)
+      not_supported_on :opal do
+        'hello'.should_not.eql?(:hello)
+      end
+      'hello'.should_not.eql?(mock('x'))
+    end
+
+    it "does not try to call #to_str on the given argument" do
+      (obj = mock('x')).should_not_receive(:to_str)
+      'hello'.should_not.eql?(obj)
+    end
+  end
+end