diff options
Diffstat (limited to 'spec/ruby/core/method/parameters_spec.rb')
-rw-r--r-- | spec/ruby/core/method/parameters_spec.rb | 76 |
1 files changed, 73 insertions, 3 deletions
diff --git a/spec/ruby/core/method/parameters_spec.rb b/spec/ruby/core/method/parameters_spec.rb index 3fdaf9ce6f..8495aef4d2 100644 --- a/spec/ruby/core/method/parameters_spec.rb +++ b/spec/ruby/core/method/parameters_spec.rb @@ -7,6 +7,7 @@ describe "Method#parameters" do def one_keyrest(**a); end def one_keyreq(a:); end + def one_nokey(**nil); end def one_splat_one_req(*a,b); end def one_splat_two_req(*a,b,c); end @@ -15,11 +16,16 @@ describe "Method#parameters" do def one_opt_with_stabby(a=-> b { true }); end def one_unnamed_splat(*); end + def one_unnamed_keyrest(**); end def one_splat_one_block(*args, &block) local_is_not_parameter = {} end + def forward_parameters(...) end + + def underscore_parameters(_, _, _ = 1, *_, _:, _: 2, **_, &_); end + define_method(:one_optional_defined_method) {|x = 1|} end @@ -176,6 +182,11 @@ describe "Method#parameters" do m.parameters.should == [[:keyreq,:a]] end + it "returns [[:nokey]] for a method with a single **nil parameter" do + m = MethodSpecs::Methods.instance_method(:one_nokey) + m.parameters.should == [[:nokey]] + end + it "works with ->(){} as the value of an optional argument" do m = MethodSpecs::Methods.instance_method(:one_opt_with_stabby) m.parameters.should == [[:opt,:a]] @@ -222,9 +233,54 @@ describe "Method#parameters" do m.method(:handled_via_method_missing).parameters.should == [[:rest]] end - it "adds nameless rest arg for \"star\" argument" do - m = MethodSpecs::Methods.new - m.method(:one_unnamed_splat).parameters.should == [[:rest]] + ruby_version_is '3.2' do + it "adds rest arg with name * for \"star\" argument" do + m = MethodSpecs::Methods.new + m.method(:one_unnamed_splat).parameters.should == [[:rest, :*]] + end + + it "adds keyrest arg with ** as a name for \"double star\" argument" do + m = MethodSpecs::Methods.new + m.method(:one_unnamed_keyrest).parameters.should == [[:keyrest, :**]] + end + end + + ruby_version_is ''...'3.2' do + it "adds nameless rest arg for \"star\" argument" do + m = MethodSpecs::Methods.new + m.method(:one_unnamed_splat).parameters.should == [[:rest]] + end + + it "adds nameless keyrest arg for \"double star\" argument" do + m = MethodSpecs::Methods.new + m.method(:one_unnamed_keyrest).parameters.should == [[:keyrest]] + end + end + + ruby_version_is '3.1' do + it "adds block arg with name & for anonymous block argument" do + object = Object.new + + eval(<<~RUBY).should == [[:block, :&]] + def object.foo(&) + end + object.method(:foo).parameters + RUBY + end + end + + ruby_version_is ""..."3.1" do + it "returns [:rest, :*], [:block, :&] for forward parameters operator" do + m = MethodSpecs::Methods.new + m.method(:forward_parameters).parameters.should == [[:rest, :*], [:block, :&]] + end + end + + ruby_version_is "3.1" do + it "returns [:rest, :*], [:keyrest, :**], [:block, :&] for forward parameters operator" do + m = MethodSpecs::Methods.new + m.method(:forward_parameters).parameters.should == [[:rest, :*], [:keyrest, :**], [:block, :&]] + end end it "returns the args and block for a splat and block argument" do @@ -242,6 +298,20 @@ describe "Method#parameters" do m.method(:writer=).parameters.should == [[:req]] end + it "returns all parameters defined with the name _ as _" do + m = MethodSpecs::Methods.instance_method(:underscore_parameters) + m.parameters.should == [ + [:req, :_], + [:req, :_], + [:opt, :_], + [:rest, :_], + [:keyreq, :_], + [:key, :_], + [:keyrest, :_], + [:block, :_] + ] + end + it "returns [[:rest]] for core methods with variable-length argument lists" do # delete! takes rest args "foo".method(:delete!).parameters.should == [[:rest]] |