diff options
Diffstat (limited to 'spec/ruby/core/float/shared/equal.rb')
-rw-r--r-- | spec/ruby/core/float/shared/equal.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/spec/ruby/core/float/shared/equal.rb b/spec/ruby/core/float/shared/equal.rb index 668aa069b5..4d524e1cf2 100644 --- a/spec/ruby/core/float/shared/equal.rb +++ b/spec/ruby/core/float/shared/equal.rb @@ -14,4 +14,25 @@ describe :float_equal, shared: true do 1.0.send(@method, x).should == false 2.0.send(@method, x).should == true end + + it "returns false if one side is NaN" do + [1.0, 42, bignum_value].each { |n| + (nan_value.send(@method, n)).should == false + (n.send(@method, nan_value)).should == false + } + end + + it "handles positive infinity" do + [1.0, 42, bignum_value].each { |n| + (infinity_value.send(@method, n)).should == false + (n.send(@method, infinity_value)).should == false + } + end + + it "handles negative infinity" do + [1.0, 42, bignum_value].each { |n| + ((-infinity_value).send(@method, n)).should == false + (n.send(@method, -infinity_value)).should == false + } + end end |