1 files changed, 31 insertions, 2 deletions
diff --git a/spec/ruby/core/array/push_spec.rb b/spec/ruby/core/array/push_spec.rb
index 607cbc7b4d..6255a84371 100644
--- a/spec/ruby/core/array/push_spec.rb
+++ b/spec/ruby/core/array/push_spec.rb
@@ -1,7 +1,36 @@
 require_relative '../../spec_helper'
 require_relative 'fixtures/classes'
-require_relative 'shared/push'
 
 describe "Array#push" do
-  it_behaves_like :array_push, :push
+  it "appends the arguments to the array" do
+    a = [ "a", "b", "c" ]
+    a.push("d", "e", "f").should.equal?(a)
+    a.push.should == ["a", "b", "c", "d", "e", "f"]
+    a.push(5)
+    a.should == ["a", "b", "c", "d", "e", "f", 5]
+
+    a = [0, 1]
+    a.push(2)
+    a.should == [0, 1, 2]
+  end
+
+  it "isn't confused by previous shift" do
+    a = [ "a", "b", "c" ]
+    a.shift
+    a.push("foo")
+    a.should == ["b", "c", "foo"]
+  end
+
+  it "properly handles recursive arrays" do
+    empty = ArraySpecs.empty_recursive_array
+    empty.push(:last).should == [empty, :last]
+
+    array = ArraySpecs.recursive_array
+    array.push(:last).should == [1, 'two', 3.0, array, array, array, array, array, :last]
+  end
+
+  it "raises a FrozenError on a frozen array" do
+    -> { ArraySpecs.frozen_array.push(1) }.should.raise(FrozenError)
+    -> { ArraySpecs.frozen_array.push }.should.raise(FrozenError)
+  end
 end