1 files changed, 41 insertions, 0 deletions
diff --git a/spec/ruby/core/enumerable/each_with_object_spec.rb b/spec/ruby/core/enumerable/each_with_object_spec.rb
new file mode 100644
index 0000000000..13a7c1c66d
--- /dev/null
+++ b/spec/ruby/core/enumerable/each_with_object_spec.rb
@@ -0,0 +1,41 @@
+require File.expand_path('../../../spec_helper', __FILE__)
+require File.expand_path('../fixtures/classes', __FILE__)
+require File.expand_path('../shared/enumerable_enumeratorized', __FILE__)
+
+describe "Enumerable#each_with_object" do
+  before :each do
+    @values = [2, 5, 3, 6, 1, 4]
+    @enum = EnumerableSpecs::Numerous.new(*@values)
+    @initial = "memo"
+  end
+
+  it "passes each element and its argument to the block" do
+    acc = []
+    @enum.each_with_object(@initial) do |elem, obj|
+      obj.should equal(@initial)
+      obj = 42
+      acc << elem
+    end.should equal(@initial)
+    acc.should == @values
+  end
+
+  it "returns an enumerator if no block" do
+    acc = []
+    e = @enum.each_with_object(@initial)
+    e.each do |elem, obj|
+      obj.should equal(@initial)
+      obj = 42
+      acc << elem
+    end.should equal(@initial)
+    acc.should == @values
+  end
+
+  it "gathers whole arrays as elements when each yields multiple" do
+    multi = EnumerableSpecs::YieldsMulti.new
+    array = []
+    multi.each_with_object(array) { |elem, obj| obj << elem }
+    array.should == [[1, 2], [3, 4, 5], [6, 7, 8, 9]]
+  end
+
+  it_behaves_like :enumerable_enumeratorized_with_origin_size, [:each_with_object, []]
+end