diff options
Diffstat (limited to 'spec/ruby/language/block_spec.rb')
-rw-r--r-- | spec/ruby/language/block_spec.rb | 81 |
1 files changed, 79 insertions, 2 deletions
diff --git a/spec/ruby/language/block_spec.rb b/spec/ruby/language/block_spec.rb index 90329e2f6f..578d9cb3b0 100644 --- a/spec/ruby/language/block_spec.rb +++ b/spec/ruby/language/block_spec.rb @@ -40,10 +40,42 @@ describe "A block yielded a single" do m([1, 2]) { |a=5, b, c, d| [a, b, c, d] }.should == [5, 1, 2, nil] end + it "assigns elements to pre arguments" do + m([1, 2]) { |a, b, c, d=5| [a, b, c, d] }.should == [1, 2, nil, 5] + end + + it "assigns elements to pre and post arguments" do + m([1 ]) { |a, b=5, c=6, d, e| [a, b, c, d, e] }.should == [1, 5, 6, nil, nil] + m([1, 2 ]) { |a, b=5, c=6, d, e| [a, b, c, d, e] }.should == [1, 5, 6, 2, nil] + m([1, 2, 3 ]) { |a, b=5, c=6, d, e| [a, b, c, d, e] }.should == [1, 5, 6, 2, 3] + m([1, 2, 3, 4 ]) { |a, b=5, c=6, d, e| [a, b, c, d, e] }.should == [1, 2, 6, 3, 4] + m([1, 2, 3, 4, 5 ]) { |a, b=5, c=6, d, e| [a, b, c, d, e] }.should == [1, 2, 3, 4, 5] + m([1, 2, 3, 4, 5, 6]) { |a, b=5, c=6, d, e| [a, b, c, d, e] }.should == [1, 2, 3, 4, 5] + end + + it "assigns elements to pre and post arguments when *rest is present" do + m([1 ]) { |a, b=5, c=6, *d, e, f| [a, b, c, d, e, f] }.should == [1, 5, 6, [], nil, nil] + m([1, 2 ]) { |a, b=5, c=6, *d, e, f| [a, b, c, d, e, f] }.should == [1, 5, 6, [], 2, nil] + m([1, 2, 3 ]) { |a, b=5, c=6, *d, e, f| [a, b, c, d, e, f] }.should == [1, 5, 6, [], 2, 3] + m([1, 2, 3, 4 ]) { |a, b=5, c=6, *d, e, f| [a, b, c, d, e, f] }.should == [1, 2, 6, [], 3, 4] + m([1, 2, 3, 4, 5 ]) { |a, b=5, c=6, *d, e, f| [a, b, c, d, e, f] }.should == [1, 2, 3, [], 4, 5] + m([1, 2, 3, 4, 5, 6]) { |a, b=5, c=6, *d, e, f| [a, b, c, d, e, f] }.should == [1, 2, 3, [4], 5, 6] + end + ruby_version_is "3.2" do it "does not autosplat single argument to required arguments when a keyword rest argument is present" do m([1, 2]) { |a, **k| [a, k] }.should == [[1, 2], {}] end + + it "does not autosplat single argument to required arguments when keyword arguments are present" do + m([1, 2]) { |a, b: :b, c: :c| [a, b, c] }.should == [[1, 2], :b, :c] + end + + it "raises error when required keyword arguments are present" do + -> { + m([1, 2]) { |a, b:, c:| [a, b, c] } + }.should raise_error(ArgumentError, "missing keywords: :b, :c") + end end ruby_version_is ''..."3.2" do @@ -51,6 +83,16 @@ describe "A block yielded a single" do it "autosplats single argument to required arguments when a keyword rest argument is present" do m([1, 2]) { |a, **k| [a, k] }.should == [1, {}] end + + it "autosplats single argument to required arguments when optional keyword arguments are present" do + m([1, 2]) { |a, b: :b, c: :c| [a, b, c] }.should == [1, :b, :c] + end + + it "raises error when required keyword arguments are present" do + -> { + m([1, 2]) { |a, b:, c:| [a, b, c] } + }.should raise_error(ArgumentError, "missing keywords: :b, :c") + end end it "assigns elements to mixed argument types" do @@ -368,7 +410,6 @@ describe "A block" do -> { @y.s(obj) { |a, b| } }.should raise_error(ZeroDivisionError) end - end describe "taking |a, *b| arguments" do @@ -701,6 +742,42 @@ describe "A block" do eval("Proc.new { |_,_| }").should be_an_instance_of(Proc) end end + + describe 'pre and post parameters' do + it "assigns nil to unassigned required arguments" do + proc { |a, *b, c, d| [a, b, c, d] }.call(1, 2).should == [1, [], 2, nil] + end + + it "assigns elements to optional arguments" do + proc { |a=5, b=4, c=3| [a, b, c] }.call(1, 2).should == [1, 2, 3] + end + + it "assigns elements to post arguments" do + proc { |a=5, b, c, d| [a, b, c, d] }.call(1, 2).should == [5, 1, 2, nil] + end + + it "assigns elements to pre arguments" do + proc { |a, b, c, d=5| [a, b, c, d] }.call(1, 2).should == [1, 2, nil, 5] + end + + it "assigns elements to pre and post arguments" do + proc { |a, b=5, c=6, d, e| [a, b, c, d, e] }.call(1 ).should == [1, 5, 6, nil, nil] + proc { |a, b=5, c=6, d, e| [a, b, c, d, e] }.call(1, 2 ).should == [1, 5, 6, 2, nil] + proc { |a, b=5, c=6, d, e| [a, b, c, d, e] }.call(1, 2, 3 ).should == [1, 5, 6, 2, 3] + proc { |a, b=5, c=6, d, e| [a, b, c, d, e] }.call(1, 2, 3, 4 ).should == [1, 2, 6, 3, 4] + proc { |a, b=5, c=6, d, e| [a, b, c, d, e] }.call(1, 2, 3, 4, 5 ).should == [1, 2, 3, 4, 5] + proc { |a, b=5, c=6, d, e| [a, b, c, d, e] }.call(1, 2, 3, 4, 5, 6).should == [1, 2, 3, 4, 5] + end + + it "assigns elements to pre and post arguments when *rest is present" do + proc { |a, b=5, c=6, *d, e, f| [a, b, c, d, e, f] }.call(1 ).should == [1, 5, 6, [], nil, nil] + proc { |a, b=5, c=6, *d, e, f| [a, b, c, d, e, f] }.call(1, 2 ).should == [1, 5, 6, [], 2, nil] + proc { |a, b=5, c=6, *d, e, f| [a, b, c, d, e, f] }.call(1, 2, 3 ).should == [1, 5, 6, [], 2, 3] + proc { |a, b=5, c=6, *d, e, f| [a, b, c, d, e, f] }.call(1, 2, 3, 4 ).should == [1, 2, 6, [], 3, 4] + proc { |a, b=5, c=6, *d, e, f| [a, b, c, d, e, f] }.call(1, 2, 3, 4, 5 ).should == [1, 2, 3, [], 4, 5] + proc { |a, b=5, c=6, *d, e, f| [a, b, c, d, e, f] }.call(1, 2, 3, 4, 5, 6).should == [1, 2, 3, [4], 5, 6] + end + end end describe "Block-local variables" do @@ -921,7 +998,7 @@ end describe "Anonymous block forwarding" do ruby_version_is "3.1" do - it "forwards blocks to other functions that formally declare anonymous blocks" do + it "forwards blocks to other method that formally declares anonymous block" do eval <<-EOF def b(&); c(&) end def c(&); yield :non_null end |