diff options
Diffstat (limited to 'spec/ruby/language/lambda_spec.rb')
| -rw-r--r-- | spec/ruby/language/lambda_spec.rb | 135 |
1 files changed, 35 insertions, 100 deletions
diff --git a/spec/ruby/language/lambda_spec.rb b/spec/ruby/language/lambda_spec.rb index 3f2cb0310c..ed5a1c69e8 100644 --- a/spec/ruby/language/lambda_spec.rb +++ b/spec/ruby/language/lambda_spec.rb @@ -22,14 +22,12 @@ describe "A lambda literal -> () { }" do -> { }.lambda?.should be_true end - ruby_version_is "2.6" do - it "may include a rescue clause" do - eval('-> do raise ArgumentError; rescue ArgumentError; 7; end').should be_an_instance_of(Proc) - end + it "may include a rescue clause" do + eval('-> do raise ArgumentError; rescue ArgumentError; 7; end').should be_an_instance_of(Proc) + end - it "may include a ensure clause" do - eval('-> do 1; ensure; 2; end').should be_an_instance_of(Proc) - end + it "may include a ensure clause" do + eval('-> do 1; ensure; 2; end').should be_an_instance_of(Proc) end it "has its own scope for local variables" do @@ -179,34 +177,16 @@ describe "A lambda literal -> () { }" do result.should == [1, 2, 3, [4, 5], 6, [7, 8], 9, 10, 11, 12] end - ruby_version_is ''...'2.8' do - evaluate <<-ruby do - @a = -> (*, **k) { k } - ruby - - @a.().should == {} - @a.(1, 2, 3, a: 4, b: 5).should == {a: 4, b: 5} - - suppress_keyword_warning do - h = mock("keyword splat") - h.should_receive(:to_hash).and_return({a: 1}) - @a.(h).should == {a: 1} - end - end - end - - ruby_version_is '2.8' do - evaluate <<-ruby do - @a = -> (*, **k) { k } - ruby + evaluate <<-ruby do + @a = -> (*, **k) { k } + ruby - @a.().should == {} - @a.(1, 2, 3, a: 4, b: 5).should == {a: 4, b: 5} + @a.().should == {} + @a.(1, 2, 3, a: 4, b: 5).should == {a: 4, b: 5} - h = mock("keyword splat") - h.should_not_receive(:to_hash) - @a.(h).should == {} - end + h = mock("keyword splat") + h.should_not_receive(:to_hash) + @a.(h).should == {} end evaluate <<-ruby do @@ -283,37 +263,20 @@ describe "A lambda literal -> () { }" do end describe "with circular optional argument reference" do - ruby_version_is ''...'2.7' do - it "warns and uses a nil value when there is an existing local variable with same name" do - a = 1 - -> { - @proc = eval "-> (a=a) { a }" - }.should complain(/circular argument reference/) - @proc.call.should == nil - end - - it "warns and uses a nil value when there is an existing method with same name" do - def a; 1; end - -> { - @proc = eval "-> (a=a) { a }" - }.should complain(/circular argument reference/) - @proc.call.should == nil - end - end - - ruby_version_is '2.7' do - it "raises a SyntaxError if using an existing local with the same name as the argument" do + ruby_version_is ""..."3.4" do + it "raises a SyntaxError if using the argument in its default value" do a = 1 -> { - @proc = eval "-> (a=a) { a }" + eval "-> (a=a) { a }" }.should raise_error(SyntaxError) end + end - it "raises a SyntaxError if there is an existing method with the same name as the argument" do - def a; 1; end + ruby_version_is "3.4" do + it "is nil if using the argument in its default value" do -> { - @proc = eval "-> (a=a) { a }" - }.should raise_error(SyntaxError) + eval "-> (a=a) { a }.call" + }.call.should == nil end end @@ -348,7 +311,9 @@ describe "A lambda expression 'lambda { ... }'" do end it "requires a block" do - lambda { lambda }.should raise_error(ArgumentError) + suppress_warning do + lambda { lambda }.should raise_error(ArgumentError) + end end it "may include a rescue clause" do @@ -360,21 +325,9 @@ describe "A lambda expression 'lambda { ... }'" do def meth; lambda; end end - ruby_version_is ""..."2.7" do - it "can be created" do - implicit_lambda = nil - -> { - implicit_lambda = meth { 1 } - }.should complain(/tried to create Proc object without a block/) - - implicit_lambda.lambda?.should be_true - implicit_lambda.call.should == 1 - end - end - - ruby_version_is "2.7" do - it "raises ArgumentError" do - implicit_lambda = nil + it "raises ArgumentError" do + implicit_lambda = nil + suppress_warning do -> { meth { 1 } }.should raise_error(ArgumentError, /tried to create Proc object without a block/) @@ -546,34 +499,16 @@ describe "A lambda expression 'lambda { ... }'" do result.should == [1, 2, 3, [4, 5], 6, [7, 8], 9, 10, 11, 12] end - ruby_version_is ''...'2.8' do - evaluate <<-ruby do - @a = lambda { |*, **k| k } - ruby - - @a.().should == {} - @a.(1, 2, 3, a: 4, b: 5).should == {a: 4, b: 5} - - suppress_keyword_warning do - h = mock("keyword splat") - h.should_receive(:to_hash).and_return({a: 1}) - @a.(h).should == {a: 1} - end - end - end - - ruby_version_is '2.8' do - evaluate <<-ruby do - @a = lambda { |*, **k| k } - ruby + evaluate <<-ruby do + @a = lambda { |*, **k| k } + ruby - @a.().should == {} - @a.(1, 2, 3, a: 4, b: 5).should == {a: 4, b: 5} + @a.().should == {} + @a.(1, 2, 3, a: 4, b: 5).should == {a: 4, b: 5} - h = mock("keyword splat") - h.should_not_receive(:to_hash) - @a.(h).should == {} - end + h = mock("keyword splat") + h.should_not_receive(:to_hash) + @a.(h).should == {} end evaluate <<-ruby do |
