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Diffstat (limited to 'spec/ruby/core/module/method_defined_spec.rb')
-rw-r--r-- | spec/ruby/core/module/method_defined_spec.rb | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/spec/ruby/core/module/method_defined_spec.rb b/spec/ruby/core/module/method_defined_spec.rb new file mode 100644 index 0000000000..d6206fa57e --- /dev/null +++ b/spec/ruby/core/module/method_defined_spec.rb @@ -0,0 +1,49 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "Module#method_defined?" do + it "returns true if a public or private method with the given name is defined in self, self's ancestors or one of self's included modules" do + # Defined in Child + ModuleSpecs::Child.method_defined?(:public_child).should == true + ModuleSpecs::Child.method_defined?("private_child").should == false + ModuleSpecs::Child.method_defined?(:accessor_method).should == true + + # Defined in Parent + ModuleSpecs::Child.method_defined?("public_parent").should == true + ModuleSpecs::Child.method_defined?(:private_parent).should == false + + # Defined in Module + ModuleSpecs::Child.method_defined?(:public_module).should == true + ModuleSpecs::Child.method_defined?(:protected_module).should == true + ModuleSpecs::Child.method_defined?(:private_module).should == false + + # Defined in SuperModule + ModuleSpecs::Child.method_defined?(:public_super_module).should == true + ModuleSpecs::Child.method_defined?(:protected_super_module).should == true + ModuleSpecs::Child.method_defined?(:private_super_module).should == false + end + + # unlike alias_method, module_function, public, and friends, + it "does not search Object or Kernel when called on a module" do + m = Module.new + + m.method_defined?(:module_specs_public_method_on_kernel).should be_false + end + + it "raises a TypeError when the given object is not a string/symbol/fixnum" do + c = Class.new + o = mock('123') + + lambda { c.method_defined?(o) }.should raise_error(TypeError) + + o.should_receive(:to_str).and_return(123) + lambda { c.method_defined?(o) }.should raise_error(TypeError) + end + + it "converts the given name to a string using to_str" do + c = Class.new { def test(); end } + (o = mock('test')).should_receive(:to_str).and_return("test") + + c.method_defined?(o).should == true + end +end |