diff options
Diffstat (limited to 'spec')
-rw-r--r-- | spec/ruby/core/false/to_s_spec.rb | 10 | ||||
-rw-r--r-- | spec/ruby/core/nil/to_s_spec.rb | 10 | ||||
-rw-r--r-- | spec/ruby/core/true/to_s_spec.rb | 10 |
3 files changed, 30 insertions, 0 deletions
diff --git a/spec/ruby/core/false/to_s_spec.rb b/spec/ruby/core/false/to_s_spec.rb index 40853da88b..c996d87000 100644 --- a/spec/ruby/core/false/to_s_spec.rb +++ b/spec/ruby/core/false/to_s_spec.rb @@ -4,4 +4,14 @@ describe "FalseClass#to_s" do it "returns the string 'false'" do false.to_s.should == "false" end + + ruby_version_is "2.7" do + it "returns a frozen string" do + false.to_s.frozen?.should == true + end + + it "always returns the same string" do + false.to_s.should equal(false.to_s) + end + end end diff --git a/spec/ruby/core/nil/to_s_spec.rb b/spec/ruby/core/nil/to_s_spec.rb index c7a18e2527..4b61f589f7 100644 --- a/spec/ruby/core/nil/to_s_spec.rb +++ b/spec/ruby/core/nil/to_s_spec.rb @@ -4,4 +4,14 @@ describe "NilClass#to_s" do it "returns the string ''" do nil.to_s.should == "" end + + ruby_version_is "2.7" do + it "returns a frozen string" do + nil.to_s.frozen?.should == true + end + + it "always returns the same string" do + nil.to_s.should equal(nil.to_s) + end + end end diff --git a/spec/ruby/core/true/to_s_spec.rb b/spec/ruby/core/true/to_s_spec.rb index 30ca354b0c..68b0052c5d 100644 --- a/spec/ruby/core/true/to_s_spec.rb +++ b/spec/ruby/core/true/to_s_spec.rb @@ -4,4 +4,14 @@ describe "TrueClass#to_s" do it "returns the string 'true'" do true.to_s.should == "true" end + + ruby_version_is "2.7" do + it "returns a frozen string" do + true.to_s.frozen?.should == true + end + + it "always returns the same string" do + true.to_s.should equal(true.to_s) + end + end end |