Move spec/rubyspec to spec/ruby for consistency

* Other ruby implementations use the spec/ruby directory.
  [Misc #13792] [ruby-core:82287]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@59979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

spec/ruby/library/bigdecimal/finite_spec.rb

@@ -0,0 +1,35 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'bigdecimal'
+
+describe "BigDecimal#finite?" do
+  before :each do
+    @one = BigDecimal("1")
+    @zero = BigDecimal("0")
+    @zero_pos = BigDecimal("+0")
+    @zero_neg = BigDecimal("-0")
+    @two = BigDecimal("2")
+    @three = BigDecimal("3")
+    @nan = BigDecimal("NaN")
+    @infinity = BigDecimal("Infinity")
+    @infinity_minus = BigDecimal("-Infinity")
+    @one_minus = BigDecimal("-1")
+    @frac_1 = BigDecimal("1E-99999")
+    @frac_2 = BigDecimal("0.9E-99999")
+    @big = BigDecimal("2E40001")
+    @finite_vals = [@one, @zero, @zero_pos, @zero_neg, @two,
+      @three, @frac_1, @frac_2, @big, @one_minus]
+  end
+
+  it "is false if Infinity or NaN" do
+    @infinity.finite?.should == false
+    @infinity_minus.finite?.should == false
+    @nan.finite?.should == false
+  end
+
+  it "returns true for finite values" do
+    @finite_vals.each do |val|
+      val.finite?.should == true
+    end
+  end
+end
+