1 files changed, 49 insertions, 0 deletions
diff --git a/spec/ruby/core/string/fixtures/classes.rb b/spec/ruby/core/string/fixtures/classes.rb
new file mode 100644
index 0000000000..6af106f9d3
--- /dev/null
+++ b/spec/ruby/core/string/fixtures/classes.rb
@@ -0,0 +1,49 @@
+class Object
+  # This helper is defined here rather than in MSpec because
+  # it is only used in #unpack specs.
+  def unpack_format(count=nil, repeat=nil)
+    format = "#{instance_variable_get(:@method)}#{count}"
+    format *= repeat if repeat
+    format
+  end
+end
+
+module StringSpecs
+  class MyString < String; end
+  class MyArray < Array; end
+  class MyRange < Range; end
+
+  class SubString < String
+    attr_reader :special
+
+    def initialize(str=nil)
+      @special = str
+    end
+  end
+
+  class InitializeString < String
+    attr_reader :ivar
+
+    def initialize(other)
+      super
+      @ivar = 1
+    end
+
+    def initialize_copy(other)
+      ScratchPad.record object_id
+    end
+  end
+
+  module StringModule
+    def repr
+      1
+    end
+  end
+
+  class StringWithRaisingConstructor < String
+    def initialize(str)
+      raise ArgumentError.new('constructor was called') unless str == 'silly:string'
+      self.replace(str)
+    end
+  end
+end