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# encoding: ascii-8bit
require 'spec/spec_helper'
describe MessagePack::ExtensionValue do
subject do
described_class.new(1, "data")
end
describe '#type/#type=' do
it 'returns value set by #initialize' do
subject.type.should == 1
end
it 'assigns a value' do
subject.type = 2
subject.type.should == 2
end
end
describe '#payload/#payload=' do
it 'returns value set by #initialize' do
subject.payload.should == "data"
end
it 'assigns a value' do
subject.payload = "a"
subject.payload.should == "a"
end
end
describe '#==/#eql?/#hash' do
it 'returns equivalent if the content is same' do
ext1 = MessagePack::ExtensionValue.new(1, "data")
ext2 = MessagePack::ExtensionValue.new(1, "data")
(ext1 == ext2).should be true
ext1.eql?(ext2).should be true
(ext1.hash == ext2.hash).should be true
end
it 'returns not equivalent if type is not same' do
ext1 = MessagePack::ExtensionValue.new(1, "data")
ext2 = MessagePack::ExtensionValue.new(2, "data")
(ext1 == ext2).should be false
ext1.eql?(ext2).should be false
(ext1.hash == ext2.hash).should be false
end
it 'returns not equivalent if payload is not same' do
ext1 = MessagePack::ExtensionValue.new(1, "data")
ext2 = MessagePack::ExtensionValue.new(1, "value")
(ext1 == ext2).should be false
ext1.eql?(ext2).should be false
(ext1.hash == ext2.hash).should be false
end
end
describe '#to_msgpack' do
it 'serializes very short payload' do
ext = MessagePack::ExtensionValue.new(1, "a"*2).to_msgpack
ext.should == "\xd5\x01" + "a"*2
end
it 'serializes short payload' do
ext = MessagePack::ExtensionValue.new(1, "a"*18).to_msgpack
ext.should == "\xc7\x12\x01" + "a"*18
end
it 'serializes long payload' do
ext = MessagePack::ExtensionValue.new(1, "a"*65540).to_msgpack
ext.should == "\xc9\x00\x01\x00\x04\x01" + "a"*65540
end
it 'with a packer serializes to a packer' do
ext = MessagePack::ExtensionValue.new(1, "aa")
packer = MessagePack::Packer.new
ext.to_msgpack(packer)
packer.buffer.to_s.should == "\xd5\x01aa"
end
[-129, -65540, -(2**40), 128, 65540, 2**40].each do |type|
context "with invalid type (#{type})" do
it 'raises RangeError' do
lambda { MessagePack::ExtensionValue.new(type, "a").to_msgpack }.should raise_error(RangeError)
end
end
end
end
describe '#dup' do
it 'duplicates' do
ext1 = MessagePack::ExtensionValue.new(1, "data")
ext2 = ext1.dup
ext2.type = 2
ext2.payload = "data2"
ext1.type.should == 1
ext1.payload.should == "data"
end
end
end
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