require_relative '../../spec_helper' require_relative 'fixtures/common' describe "NameError#receiver" do class ::ReceiverClass def call_undefined_class_variable; @@doesnt_exist end end it "returns the object that raised the exception" do receiver = Object.new -> { receiver.doesnt_exist }.should raise_error(NameError) {|e| e.receiver.should equal(receiver) } end it "returns the Object class when an undefined constant is called without namespace" do -> { DoesntExist }.should raise_error(NameError) {|e| e.receiver.should equal(Object) } end it "returns a class when an undefined constant is called" do -> { NameErrorSpecs::ReceiverClass::DoesntExist }.should raise_error(NameError) {|e| e.receiver.should equal(NameErrorSpecs::ReceiverClass) } end it "returns the Object class when an undefined class variable is called" do -> { eval("class singleton_class::A; @@doesnt_exist end", binding, __FILE__, __LINE__) }.should raise_error(NameError) {|e| e.receiver.should equal(singleton_class::A) } end it "returns a class when an undefined class variable is called in a subclass' namespace" do -> { NameErrorSpecs::ReceiverClass.new.call_undefined_class_variable }.should raise_error(NameError) {|e| e.receiver.should equal(NameErrorSpecs::ReceiverClass) } end it "returns the receiver when raised from #instance_variable_get" do receiver = Object.new -> { receiver.instance_variable_get("invalid_ivar_name") }.should raise_error(NameError) {|e| e.receiver.should equal(receiver) } end it "returns the receiver when raised from #class_variable_get" do -> { Object.class_variable_get("invalid_cvar_name") }.should raise_error(NameError) {|e| e.receiver.should equal(Object) } end it "raises an ArgumentError when the receiver is none" do -> { NameError.new.receiver }.should raise_error(ArgumentError) end end