Update to ruby/spec@241f9e7

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64831 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/core/numeric/polar_spec.rb

@@ -1,6 +1,50 @@
 require_relative '../../spec_helper'
-require_relative '../../shared/complex/numeric/polar'
 
 describe "Numeric#polar" do
-  it_behaves_like :numeric_polar, :polar
+  before :each do
+    @pos_numbers = [
+      1,
+      3898172610**9,
+      987.18273,
+      Float::MAX,
+      Rational(13,7),
+      infinity_value,
+    ]
+    @neg_numbers = @pos_numbers.map {|n| -n}
+    @numbers = @pos_numbers + @neg_numbers
+    @numbers.push(0, 0.0)
+  end
+
+  it "returns a two-element Array" do
+    @numbers.each do |number|
+      number.polar.should be_an_instance_of(Array)
+      number.polar.size.should == 2
+    end
+  end
+
+  it "sets the first value to the absolute value of self" do
+    @numbers.each do |number|
+      number.polar.first.should == number.abs
+    end
+  end
+
+  it "sets the last value to 0 if self is positive" do
+    (@numbers - @neg_numbers).each do |number|
+      number.should >= 0
+      number.polar.last.should == 0
+    end
+  end
+
+  it "sets the last value to Pi if self is negative" do
+    @neg_numbers.each do |number|
+      number.should < 0
+      number.polar.last.should == Math::PI
+    end
+  end
+
+  it "returns [NaN, NaN] if self is NaN" do
+    nan_value.polar.size.should == 2
+    nan_value.polar.first.nan?.should be_true
+    nan_value.polar.last.nan?.should be_true
+  end
 end