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-rw-r--r--spec/ruby/core/enumerator/rewind_spec.rb36
1 files changed, 34 insertions, 2 deletions
diff --git a/spec/ruby/core/enumerator/rewind_spec.rb b/spec/ruby/core/enumerator/rewind_spec.rb
index e846f63c49..2a83b7c6ee 100644
--- a/spec/ruby/core/enumerator/rewind_spec.rb
+++ b/spec/ruby/core/enumerator/rewind_spec.rb
@@ -1,9 +1,41 @@
require_relative '../../spec_helper'
-require_relative '../../shared/enumerator/rewind'
require_relative 'fixtures/common'
describe "Enumerator#rewind" do
- it_behaves_like :enum_rewind, :rewind
+ before :each do
+ @enum = 1.upto(3)
+ end
+
+ it "resets the enumerator to its initial state" do
+ @enum.next.should == 1
+ @enum.next.should == 2
+ @enum.rewind
+ @enum.next.should == 1
+ end
+
+ it "returns self" do
+ @enum.rewind.should == @enum
+ end
+
+ it "has no effect on a new enumerator" do
+ @enum.rewind
+ @enum.next.should == 1
+ end
+
+ it "has no effect if called multiple, consecutive times" do
+ @enum.next.should == 1
+ @enum.rewind
+ @enum.rewind
+ @enum.next.should == 1
+ end
+
+ it "works with peek to reset the position" do
+ @enum.next
+ @enum.next
+ @enum.rewind
+ @enum.next
+ @enum.peek.should == 2
+ end
it "calls the enclosed object's rewind method if one exists" do
obj = mock('rewinder')