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/inspect_spec.rb

@@ -0,0 +1,47 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require 'bigdecimal'
+
+describe "BigDecimal#inspect" do
+
+  before :each do
+    @bigdec = BigDecimal.new("1234.5678")
+  end
+
+  it "returns String" do
+    @bigdec.inspect.kind_of?(String).should == true
+  end
+
+  ruby_version_is ""..."2.4" do
+    it "returns String starting with #" do
+      @bigdec.inspect[0].should == ?#
+    end
+
+    it "encloses information in angle brackets" do
+      @bigdec.inspect.should =~ /^.<.*>$/
+    end
+
+    it "is comma separated list of three items" do
+      @bigdec.inspect.should =~ /...*,.*,.*/
+    end
+
+    it "value after first comma is value as string" do
+      @bigdec.inspect.split(",")[1].should == "\'0.12345678E4\'"
+    end
+
+    it "last part is number of significant digits" do
+      signific_string = "#{@bigdec.precs[0]}(#{@bigdec.precs[1]})"
+      @bigdec.inspect.split(",")[2].should == signific_string + ">"
+    end
+
+    it "looks like this" do
+      regex = /^\#\<BigDecimal\:.*,'0\.12345678E4',[0-9]+\([0-9]+\)>$/
+      @bigdec.inspect.should =~ regex
+    end
+  end
+
+  ruby_version_is "2.4" do
+    it "looks like this" do
+      @bigdec.inspect.should == "0.12345678e4"
+    end
+  end
+end