# Copyright (C) 2009-2014 MongoDB Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

require "spec_helper"

describe Hash do

  describe "#to_bson/#from_bson" do

    let(:type) { 3.chr }

    it_behaves_like "a bson element"

    context "when the hash is a single level" do

      let(:obj) do
        { "key" => "value" }
      end

      let(:bson) do
        "#{20.to_bson}#{String::BSON_TYPE}key#{BSON::NULL_BYTE}" +
        "#{6.to_bson}value#{BSON::NULL_BYTE}#{BSON::NULL_BYTE}"
      end

      it_behaves_like "a serializable bson element"
      it_behaves_like "a deserializable bson element"
    end

    context "when the hash is embedded" do

      let(:obj) do
        { "field" => { "key" => "value" }}
      end

      let(:bson) do
        "#{32.to_bson}#{Hash::BSON_TYPE}field#{BSON::NULL_BYTE}" +
        "#{20.to_bson}#{String::BSON_TYPE}key#{BSON::NULL_BYTE}" +
        "#{6.to_bson}value#{BSON::NULL_BYTE}#{BSON::NULL_BYTE}#{BSON::NULL_BYTE}"
      end

      it_behaves_like "a serializable bson element"
      it_behaves_like "a deserializable bson element"
    end
  end
end