1 files changed, 34 insertions, 0 deletions
diff --git a/spec/rubyspec/core/range/new_spec.rb b/spec/rubyspec/core/range/new_spec.rb
new file mode 100644
index 0000000000..f0d24e4aeb
--- /dev/null
+++ b/spec/rubyspec/core/range/new_spec.rb
@@ -0,0 +1,34 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+
+describe "Range.new" do
+  it "constructs a range using the given start and end" do
+    range = Range.new('a', 'c')
+    range.should == ('a'..'c')
+
+    range.first.should == 'a'
+    range.last.should == 'c'
+  end
+
+  it "includes the end object when the third parameter is omitted or false" do
+    Range.new('a', 'c').to_a.should == ['a', 'b', 'c']
+    Range.new(1, 3).to_a.should == [1, 2, 3]
+
+    Range.new('a', 'c', false).to_a.should == ['a', 'b', 'c']
+    Range.new(1, 3, false).to_a.should == [1, 2, 3]
+
+    Range.new('a', 'c', true).to_a.should == ['a', 'b']
+    Range.new(1, 3, 1).to_a.should == [1, 2]
+
+    Range.new(1, 3, mock('[1,2]')).to_a.should == [1, 2]
+    Range.new(1, 3, :test).to_a.should == [1, 2]
+  end
+
+  it "raises an ArgumentError when the given start and end can't be compared by using #<=>" do
+    lambda { Range.new(1, mock('x'))         }.should raise_error(ArgumentError)
+    lambda { Range.new(mock('x'), mock('y')) }.should raise_error(ArgumentError)
+
+    b = mock('x')
+    (a = mock('nil')).should_receive(:<=>).with(b).and_return(nil)
+    lambda { Range.new(a, b) }.should raise_error(ArgumentError)
+  end
+end