1 files changed, 65 insertions, 0 deletions
diff --git a/spec/rubyspec/core/module/public_instance_method_spec.rb b/spec/rubyspec/core/module/public_instance_method_spec.rb
new file mode 100644
index 0000000000..c1e94c5fed
--- /dev/null
+++ b/spec/rubyspec/core/module/public_instance_method_spec.rb
@@ -0,0 +1,65 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+
+describe "Module#public_instance_method" do
+  it "is a public method" do
+    Module.should have_public_instance_method(:public_instance_method, false)
+  end
+
+  it "requires an argument" do
+    Module.new.method(:public_instance_method).arity.should == 1
+  end
+
+  describe "when given a public method name" do
+    it "returns an UnboundMethod corresponding to the defined Module" do
+      ret = ModuleSpecs::Super.public_instance_method(:public_module)
+      ret.should be_an_instance_of(UnboundMethod)
+      ret.owner.should equal(ModuleSpecs::Basic)
+
+      ret = ModuleSpecs::Super.public_instance_method(:public_super_module)
+      ret.should be_an_instance_of(UnboundMethod)
+      ret.owner.should equal(ModuleSpecs::Super)
+    end
+
+    it "accepts if the name is a Symbol or String" do
+      ret = ModuleSpecs::Basic.public_instance_method(:public_module)
+      ModuleSpecs::Basic.public_instance_method("public_module").should == ret
+    end
+  end
+
+  it "raises a TypeError when given a name is not Symbol or String" do
+    lambda { Module.new.public_instance_method(nil) }.should raise_error(TypeError)
+  end
+
+  it "raises a NameError when given a protected method name" do
+    lambda do
+      ModuleSpecs::Basic.public_instance_method(:protected_module)
+    end.should raise_error(NameError)
+  end
+
+  it "raises a NameError if the method is private" do
+    lambda do
+      ModuleSpecs::Basic.public_instance_method(:private_module)
+    end.should raise_error(NameError)
+  end
+
+  it "raises a NameError if the method has been undefined" do
+    lambda do
+      ModuleSpecs::Parent.public_instance_method(:undefed_method)
+    end.should raise_error(NameError)
+  end
+
+  it "raises a NameError if the method does not exist" do
+    lambda do
+      Module.new.public_instance_method(:missing)
+    end.should raise_error(NameError)
+  end
+
+  it "sets the NameError#name attribute to the name of the missing method" do
+    begin
+      Module.new.public_instance_method(:missing)
+    rescue NameError => e
+      e.name.should == :missing
+    end
+  end
+end