5 files changed, 22 insertions, 2 deletions
diff --git a/spec/ruby/core/float/ceil_spec.rb b/spec/ruby/core/float/ceil_spec.rb
index 7fc18d304c..75f5610292 100644
--- a/spec/ruby/core/float/ceil_spec.rb
+++ b/spec/ruby/core/float/ceil_spec.rb
@@ -1,6 +1,11 @@
 require_relative '../../spec_helper'
+require_relative '../integer/shared/integer_ceil_precision'
 
 describe "Float#ceil" do
+  context "with precision" do
+    it_behaves_like :integer_ceil_precision, :Float
+  end
+
   it "returns the smallest Integer greater than or equal to self" do
     -1.2.ceil.should eql( -1)
     -1.0.ceil.should eql( -1)
diff --git a/spec/ruby/core/float/comparison_spec.rb b/spec/ruby/core/float/comparison_spec.rb
index 1373b3a1fb..0cd290f4ad 100644
--- a/spec/ruby/core/float/comparison_spec.rb
+++ b/spec/ruby/core/float/comparison_spec.rb
@@ -72,7 +72,7 @@ describe "Float#<=>" do
     (-Float::MAX.to_i*2 <=> -infinity_value).should == 1
   end
 
-  it "returns 0 when self is Infinity and other other is infinite?=1" do
+  it "returns 0 when self is Infinity and other is infinite?=1" do
     obj = Object.new
     def obj.infinite?
       1
@@ -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/floor_spec.rb b/spec/ruby/core/float/floor_spec.rb
index 046216d36d..8b492ef473 100644
--- a/spec/ruby/core/float/floor_spec.rb
+++ b/spec/ruby/core/float/floor_spec.rb
@@ -1,6 +1,11 @@
 require_relative '../../spec_helper'
+require_relative '../integer/shared/integer_floor_precision'
 
 describe "Float#floor" do
+  context "with precision" do
+    it_behaves_like :integer_floor_precision, :Float
+  end
+
   it "returns the largest Integer less than or equal to self" do
     -1.2.floor.should eql( -2)
     -1.0.floor.should eql( -1)
diff --git a/spec/ruby/core/float/magnitude_spec.rb b/spec/ruby/core/float/magnitude_spec.rb
index db577c15c5..7cdd8ef28a 100644
--- a/spec/ruby/core/float/magnitude_spec.rb
+++ b/spec/ruby/core/float/magnitude_spec.rb
@@ -1,3 +1,4 @@
+require_relative "../../spec_helper"
 require_relative 'shared/abs'
 
 describe "Float#magnitude" do
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  )