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require File.expand_path('../../../spec_helper', __FILE__)
require File.expand_path('../fixtures/common', __FILE__)
ruby_version_is "2.3" do
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
-> {
-> {
@@doesnt_exist
}.should complain(/class variable access from toplevel/)
}.should raise_error(NameError) {|e| e.receiver.should equal(Object) }
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
end
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