diff options
Diffstat (limited to 'spec/ruby/core/float')
| -rw-r--r-- | spec/ruby/core/float/comparison_spec.rb | 2 | ||||
| -rw-r--r-- | spec/ruby/core/float/round_spec.rb | 9 |
2 files changed, 10 insertions, 1 deletions
diff --git a/spec/ruby/core/float/comparison_spec.rb b/spec/ruby/core/float/comparison_spec.rb index d2e47937ff..0cd290f4ad 100644 --- a/spec/ruby/core/float/comparison_spec.rb +++ b/spec/ruby/core/float/comparison_spec.rb @@ -91,7 +91,7 @@ describe "Float#<=>" do it "returns 1 when self is Infinity and other is infinite?=nil (which means finite)" do obj = Object.new def obj.infinite? - nil + nil end (infinity_value <=> obj).should == 1 end diff --git a/spec/ruby/core/float/round_spec.rb b/spec/ruby/core/float/round_spec.rb index 9b4c307f9d..7e8c792051 100644 --- a/spec/ruby/core/float/round_spec.rb +++ b/spec/ruby/core/float/round_spec.rb @@ -30,6 +30,11 @@ describe "Float#round" do 12.345678.round(3.999).should == 12.346 end + it "correctly rounds exact floats with a numerous digits in a fraction part" do + 0.8241000000000004.round(10).should == 0.8241 + 0.8241000000000002.round(10).should == 0.8241 + end + it "returns zero when passed a negative argument with magnitude greater than magnitude of the whole number portion of the Float" do 0.8346268.round(-1).should eql(0) end @@ -68,6 +73,10 @@ describe "Float#round" do 0.42.round(2.0**30).should == 0.42 end + it "returns rounded values for not so big argument" do + 0.42.round(2.0**23).should == 0.42 + end + it "returns big values rounded to nearest" do +2.5e20.round(-20).should eql( +3 * 10 ** 20 ) -2.5e20.round(-20).should eql( -3 * 10 ** 20 ) |