1 files changed, 35 insertions, 0 deletions
diff --git a/spec/ruby/core/regexp/case_compare_spec.rb b/spec/ruby/core/regexp/case_compare_spec.rb
new file mode 100644
index 0000000000..29aada70bc
--- /dev/null
+++ b/spec/ruby/core/regexp/case_compare_spec.rb
@@ -0,0 +1,35 @@
+require_relative '../../spec_helper'
+
+describe "Regexp#===" do
+  it "is true if there is a match" do
+    (/abc/ === "aabcc").should == true
+  end
+
+  it "is false if there is no match" do
+    (/abc/ === "xyz").should == false
+  end
+
+  it "returns true if it matches a Symbol" do
+    (/a/ === :a).should == true
+  end
+
+  it "returns false if it does not match a Symbol" do
+    (/a/ === :b).should == false
+  end
+
+  # mirroring https://github.com/ruby/ruby/blob/master/test/ruby/test_regexp.rb
+  it "returns false if the other value cannot be coerced to a string" do
+    (/abc/ === nil).should == false
+    (/abc/ === /abc/).should == false
+  end
+
+  it "uses #to_str on string-like objects" do
+    stringlike = Class.new do
+      def to_str
+        "abc"
+      end
+    end.new
+
+    (/abc/ === stringlike).should == true
+  end
+end