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Diffstat (limited to 'spec/rubyspec/core/hash/merge_spec.rb')
-rw-r--r-- | spec/rubyspec/core/hash/merge_spec.rb | 77 |
1 files changed, 0 insertions, 77 deletions
diff --git a/spec/rubyspec/core/hash/merge_spec.rb b/spec/rubyspec/core/hash/merge_spec.rb deleted file mode 100644 index 21401ffd08..0000000000 --- a/spec/rubyspec/core/hash/merge_spec.rb +++ /dev/null @@ -1,77 +0,0 @@ -require File.expand_path('../../../spec_helper', __FILE__) -require File.expand_path('../fixtures/classes', __FILE__) -require File.expand_path('../shared/iteration', __FILE__) -require File.expand_path('../shared/update', __FILE__) - -describe "Hash#merge" do - it "returns a new hash by combining self with the contents of other" do - h = { 1 => :a, 2 => :b, 3 => :c }.merge(a: 1, c: 2) - h.should == { c: 2, 1 => :a, 2 => :b, a: 1, 3 => :c } - - hash = { a: 1, b: 2 } - {}.merge(hash).should == hash - hash.merge({}).should == hash - - h = { 1 => :a, 2 => :b, 3 => :c }.merge(1 => :b) - h.should == { 1 => :b, 2 => :b, 3 => :c } - - h = { 1 => :a, 2 => :b }.merge(1 => :b, 3 => :c) - h.should == { 1 => :b, 2 => :b, 3 => :c } - end - - it "sets any duplicate key to the value of block if passed a block" do - h1 = { a: 2, b: 1, d: 5 } - h2 = { a: -2, b: 4, c: -3 } - r = h1.merge(h2) { |k,x,y| nil } - r.should == { a: nil, b: nil, c: -3, d: 5 } - - r = h1.merge(h2) { |k,x,y| "#{k}:#{x+2*y}" } - r.should == { a: "a:-2", b: "b:9", c: -3, d: 5 } - - lambda { - h1.merge(h2) { |k, x, y| raise(IndexError) } - }.should raise_error(IndexError) - - r = h1.merge(h1) { |k,x,y| :x } - r.should == { a: :x, b: :x, d: :x } - 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 }.merge(obj).should == { 1 => 2, 3 => 4 } - end - - it "does not call to_hash on hash subclasses" do - { 3 => 4 }.merge(HashSpecs::ToHashHash[1 => 2]).should == { 1 => 2, 3 => 4 } - end - - it "returns subclass instance for subclasses" do - HashSpecs::MyHash[1 => 2, 3 => 4].merge({ 1 => 2 }).should be_an_instance_of(HashSpecs::MyHash) - HashSpecs::MyHash[].merge({ 1 => 2 }).should be_an_instance_of(HashSpecs::MyHash) - - { 1 => 2, 3 => 4 }.merge(HashSpecs::MyHash[1 => 2]).class.should == Hash - {}.merge(HashSpecs::MyHash[1 => 2]).class.should == Hash - end - - it "processes entries with same order as each()" do - h = { 1 => 2, 3 => 4, 5 => 6, "x" => nil, nil => 5, [] => [] } - merge_pairs = [] - each_pairs = [] - h.each_pair { |k, v| each_pairs << [k, v] } - h.merge(h) { |k, v1, v2| merge_pairs << [k, v1] } - merge_pairs.should == each_pairs - end - -end - -describe "Hash#merge!" do - it_behaves_like(:hash_update, :merge!) - - 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.merge!(hash2) } - hash.should == {1 => :foo, 3 => :bar, 5 => 6} - end -end |