1 files changed, 3 insertions, 117 deletions
diff --git a/spec/ruby/core/float/to_s_spec.rb b/spec/ruby/core/float/to_s_spec.rb
index e76cfc1b7e..6727a883f8 100644
--- a/spec/ruby/core/float/to_s_spec.rb
+++ b/spec/ruby/core/float/to_s_spec.rb
@@ -1,120 +1,6 @@
-require File.expand_path('../../../spec_helper', __FILE__)
+require_relative '../../spec_helper'
+require_relative 'shared/to_s'
 
 describe "Float#to_s" do
-  it "returns 'NaN' for NaN" do
-    nan_value().to_s.should == 'NaN'
-  end
-
-  it "returns 'Infinity' for positive infinity" do
-    infinity_value().to_s.should == 'Infinity'
-  end
-
-  it "returns '-Infinity' for negative infinity" do
-    (-infinity_value()).to_s.should == '-Infinity'
-  end
-
-  it "returns '0.0' for 0.0" do
-    0.0.to_s.should == "0.0"
-  end
-
-  platform_is_not :openbsd do
-    it "emits '-' for -0.0" do
-      -0.0.to_s.should == "-0.0"
-    end
-  end
-
-  it "emits a '-' for negative values" do
-    -3.14.to_s.should == "-3.14"
-  end
-
-  it "emits a trailing '.0' for a whole number" do
-    50.0.to_s.should == "50.0"
-  end
-
-  it "emits a trailing '.0' for the mantissa in e format" do
-    1.0e20.to_s.should == "1.0e+20"
-  end
-
-  it "uses non-e format for a positive value with fractional part having 5 significant figures" do
-    0.0001.to_s.should == "0.0001"
-  end
-
-  it "uses non-e format for a negative value with fractional part having 5 significant figures" do
-    -0.0001.to_s.should == "-0.0001"
-  end
-
-  it "uses e format for a positive value with fractional part having 6 significant figures" do
-    0.00001.to_s.should == "1.0e-05"
-  end
-
-  it "uses e format for a negative value with fractional part having 6 significant figures" do
-    -0.00001.to_s.should == "-1.0e-05"
-  end
-
-  it "uses non-e format for a positive value with whole part having 15 significant figures" do
-    10000000000000.0.to_s.should == "10000000000000.0"
-  end
-
-  it "uses non-e format for a negative value with whole part having 15 significant figures" do
-    -10000000000000.0.to_s.should == "-10000000000000.0"
-  end
-
-  it "uses non-e format for a positive value with whole part having 16 significant figures" do
-    100000000000000.0.to_s.should == "100000000000000.0"
-  end
-
-  it "uses non-e format for a negative value with whole part having 16 significant figures" do
-    -100000000000000.0.to_s.should == "-100000000000000.0"
-  end
-
-  it "uses e format for a positive value with whole part having 18 significant figures" do
-    10000000000000000.0.to_s.should == "1.0e+16"
-  end
-
-  it "uses e format for a negative value with whole part having 18 significant figures" do
-    -10000000000000000.0.to_s.should == "-1.0e+16"
-  end
-
-  it "uses non-e format for a positive value with whole part having 17 significant figures" do
-    1000000000000000.0.to_s.should == "1.0e+15"
-  end
-
-  it "uses non-e format for a negative value with whole part having 17 significant figures" do
-    -1000000000000000.0.to_s.should == "-1.0e+15"
-  end
-
-  # #3273
-  it "outputs the minimal, unique form necessary to recreate the value" do
-    value = 0.21611564636388508
-    string = "0.21611564636388508"
-
-    value.to_s.should == string
-    string.to_f.should == value
-  end
-
-  it "outputs the minimal, unique form to represent the value" do
-    0.56.to_s.should == "0.56"
-  end
-end
-
-with_feature :encoding do
-  describe "Float#to_s" do
-    before :each do
-      @internal = Encoding.default_internal
-    end
-
-    after :each do
-      Encoding.default_internal = @internal
-    end
-
-    it "returns a String in US-ASCII encoding when Encoding.default_internal is nil" do
-      Encoding.default_internal = nil
-      1.23.to_s.encoding.should equal(Encoding::US_ASCII)
-    end
-
-    it "returns a String in US-ASCII encoding when Encoding.default_internal is not nil" do
-      Encoding.default_internal = Encoding::IBM437
-      5.47.to_s.encoding.should equal(Encoding::US_ASCII)
-    end
-  end
+  it_behaves_like :float_to_s, :to_s
 end