diff options
Diffstat (limited to 'spec')
-rw-r--r-- | spec/ruby/core/proc/compose_spec.rb | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/spec/ruby/core/proc/compose_spec.rb b/spec/ruby/core/proc/compose_spec.rb index 35e949a779..ef9c125ae9 100644 --- a/spec/ruby/core/proc/compose_spec.rb +++ b/spec/ruby/core/proc/compose_spec.rb @@ -38,6 +38,36 @@ ruby_version_is "2.6" do (f << g).lambda?.should == false end + ruby_version_is(''...'2.8') do + it "is a Proc when other is lambda" do + f = proc { |x| x * x } + g = -> x { x + x } + + (f << g).is_a?(Proc).should == true + (f << g).lambda?.should == false + end + + it "is a lambda when self is lambda" do + f = -> x { x * x } + g = proc { |x| x + x } + + (f << g).is_a?(Proc).should == true + (f << g).lambda?.should == true + end + end + + ruby_version_is('2.8') do + it "is a lambda when parameter is lambda" do + f = -> x { x * x } + g = proc { |x| x + x } + lambda_proc = -> x { x } + + (f << g).is_a?(Proc).should == true + (f << g).lambda?.should == false + (f << lambda_proc).lambda?.should == true + end + end + it "may accept multiple arguments" do inc = proc { |n| n + 1 } mul = proc { |n, m| n * m } @@ -91,6 +121,22 @@ ruby_version_is "2.6" do (f >> g).lambda?.should == false end + it "is a Proc when other is lambda" do + f = proc { |x| x * x } + g = -> x { x + x } + + (f >> g).is_a?(Proc).should == true + (f >> g).lambda?.should == false + end + + it "is a lambda when self is lambda" do + f = -> x { x * x } + g = proc { |x| x + x } + + (f >> g).is_a?(Proc).should == true + (f >> g).lambda?.should == true + end + it "may accept multiple arguments" do inc = proc { |n| n + 1 } mul = proc { |n, m| n * m } |