diff options
Diffstat (limited to 'spec/rubyspec/core/kernel/respond_to_spec.rb')
-rw-r--r-- | spec/rubyspec/core/kernel/respond_to_spec.rb | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/spec/rubyspec/core/kernel/respond_to_spec.rb b/spec/rubyspec/core/kernel/respond_to_spec.rb new file mode 100644 index 0000000000..aa4379277b --- /dev/null +++ b/spec/rubyspec/core/kernel/respond_to_spec.rb @@ -0,0 +1,73 @@ +require File.expand_path('../../../spec_helper', __FILE__) +require File.expand_path('../fixtures/classes', __FILE__) + +describe "Kernel#respond_to?" do + before :each do + @a = KernelSpecs::A.new + end + + it "is a public method" do + Kernel.should have_public_instance_method(:respond_to?, false) + end + + it "is only an instance method" do + Kernel.method(:respond_to?).owner.should == Kernel + end + + it "returns false if the given method was undefined" do + @a.respond_to?(:undefed_method).should == false + @a.respond_to?("undefed_method").should == false + end + + it "returns true if obj responds to the given public method" do + @a.respond_to?(:pub_method).should == true + @a.respond_to?("pub_method").should == true + end + + it "throws a type error if argument can't be coerced into a Symbol" do + lambda { @a.respond_to?(Object.new) }.should raise_error(TypeError) + end + + it "returns false if obj responds to the given protected method" do + @a.respond_to?(:protected_method).should == false + @a.respond_to?("protected_method").should == false + end + + it "returns false if obj responds to the given private method" do + @a.respond_to?(:private_method).should == false + @a.respond_to?("private_method").should == false + end + + it "returns true if obj responds to the given protected method (include_private = true)" do + @a.respond_to?(:protected_method, true).should == true + @a.respond_to?("protected_method", true).should == true + end + + it "returns false if obj responds to the given protected method (include_private = false)" do + @a.respond_to?(:protected_method, false).should == false + @a.respond_to?("protected_method", false).should == false + end + + it "returns false even if obj responds to the given private method (include_private = false)" do + @a.respond_to?(:private_method, false).should == false + @a.respond_to?("private_method", false).should == false + end + + it "returns true if obj responds to the given private method (include_private = true)" do + @a.respond_to?(:private_method, true).should == true + @a.respond_to?("private_method", true).should == true + end + + it "does not change method visibility when finding private method" do + KernelSpecs::VisibilityChange.respond_to?(:new, false).should == false + KernelSpecs::VisibilityChange.respond_to?(:new, true).should == true + lambda { KernelSpecs::VisibilityChange.new }.should raise_error(NoMethodError) + end + + it "indicates if an object responds to a particular message" do + class KernelSpecs::Foo; def bar; 'done'; end; end + KernelSpecs::Foo.new.respond_to?(:bar).should == true + KernelSpecs::Foo.new.respond_to?(:invalid_and_silly_method_name).should == false + end + +end |