1 files changed, 2 insertions, 74 deletions
diff --git a/spec/ruby/core/hash/update_spec.rb b/spec/ruby/core/hash/update_spec.rb
index f3a3e6b4db..04070baad8 100644
--- a/spec/ruby/core/hash/update_spec.rb
+++ b/spec/ruby/core/hash/update_spec.rb
@@ -1,79 +1,7 @@
 require_relative '../../spec_helper'
-require_relative 'fixtures/classes'
 
 describe "Hash#update" do
-  it "adds the entries from other, overwriting duplicate keys. Returns self" do
-    h = { _1: 'a', _2: '3' }
-    h.update(_1: '9', _9: 2).should.equal?(h)
-    h.should == { _1: "9", _2: "3", _9: 2 }
-  end
-
-  it "sets any duplicate key to the value of block if passed a block" do
-    h1 = { a: 2, b: -1 }
-    h2 = { a: -2, c: 1 }
-    h1.update(h2) { |k,x,y| 3.14 }.should.equal?(h1)
-    h1.should == { c: 1, b: -1, a: 3.14 }
-
-    h1.update(h1) { nil }
-    h1.should == { a: nil, b: nil, c: nil }
-  end
-
-  it "tries to convert the passed argument to a hash using #to_hash" do
-    obj = mock('{1=>2}')
-    obj.should_receive(:to_hash).and_return({ 1 => 2 })
-    { 3 => 4 }.update(obj).should == { 1 => 2, 3 => 4 }
-  end
-
-  it "does not call to_hash on hash subclasses" do
-    { 3 => 4 }.update(HashSpecs::ToHashHash[1 => 2]).should == { 1 => 2, 3 => 4 }
-  end
-
-  it "processes entries with same order as merge()" do
-    h = { 1 => 2, 3 => 4, 5 => 6, "x" => nil, nil => 5, [] => [] }
-    merge_bang_pairs = []
-    merge_pairs = []
-    h.merge(h) { |*arg| merge_pairs << arg }
-    h.update(h) { |*arg| merge_bang_pairs << arg }
-    merge_bang_pairs.should == merge_pairs
-  end
-
-  it "raises a FrozenError on a frozen instance that is modified" do
-    -> do
-      HashSpecs.frozen_hash.update(1 => 2)
-    end.should.raise(FrozenError)
-  end
-
-  it "checks frozen status before coercing an object with #to_hash" do
-    obj = mock("to_hash frozen")
-    # This is necessary because mock cleanup code cannot run on the frozen
-    # object.
-    def obj.to_hash() raise Exception, "should not receive #to_hash" end
-    obj.freeze
-
-    -> { HashSpecs.frozen_hash.update(obj) }.should.raise(FrozenError)
-  end
-
-  # see redmine #1571
-  it "raises a FrozenError on a frozen instance that would not be modified" do
-    -> do
-      HashSpecs.frozen_hash.update(HashSpecs.empty_frozen_hash)
-    end.should.raise(FrozenError)
-  end
-
-  it "does not raise an exception if changing the value of an existing key during iteration" do
-    hash = {1 => 2, 3 => 4, 5 => 6}
-    hash2 = {1 => :foo, 3 => :bar}
-    hash.each { hash.update(hash2) }
-    hash.should == {1 => :foo, 3 => :bar, 5 => 6}
-  end
-
-  it "accepts multiple hashes" do
-    result = { a: 1 }.update({ b: 2 }, { c: 3 }, { d: 4 })
-    result.should == { a: 1, b: 2, c: 3, d: 4 }
-  end
-
-  it "accepts zero arguments" do
-    hash = { a: 1 }
-    hash.update.should.eql?(hash)
+  it "is an alias of Hash#merge!" do
+    Hash.instance_method(:update).should == Hash.instance_method(:merge!)
   end
 end