More specs and simple values

lib/libcbor.rb

@@ -8,6 +8,7 @@
 require 'libcbor/inner/lib_c'
 require 'libcbor/cache'
 require 'libcbor/tag'
+require 'libcbor/simple_value'
 require 'libcbor/byte_string'
 require 'libcbor/helpers'
 require 'libcbor/item'

lib/libcbor/simple_value.rb

@@ -0,0 +1,5 @@
+module CBOR
+	class SimpleValue < Fixnum
+
+	end
+end

spec/decoding_spec.rb

@@ -75,6 +75,23 @@
 			end
 		end
 
+		context 'for "false" simple value' do
+			subject { CBOR.decode("\xF4") }
+
+			it 'provides translation' do
+				expect(subject).to eq false
+			end
+		end
+
+		context 'for "0" simple value' do
+			subject { CBOR.decode("\xE8\xFF") }
+
+			#TODO: enable this after libcbor is fixed
+			xit 'provides translation' do
+				expect(subject).to eq SimpleValue.new(255)
+			end
+		end
+
 		context 'for 3.14 float' do
 			subject { CBOR.decode([250, 64, 72, 245, 195].pack('c*')) }
 

spec/item_spec.rb

@@ -0,0 +1,14 @@
+require 'spec_helper'
+
+module CBOR
+	describe Item do
+		context 'upon invalid FFI return value' do
+			it 'fails predictably' do
+				expect(LibCBOR).to receive(:cbor_typeof).and_return(:foo)
+				expect {
+					Item.new(double).value
+				}.to raise_exception /Unknown type/
+			end
+		end
+	end
+end

spec/streaming/buffered_decoder_spec.rb

@@ -4,14 +4,20 @@ module CBOR
 	module Streaming
 		describe BufferedDecoder do
 			let(:counter) { double }
-			let(:data) { "\x81\x2" }
+			let(:data) { "\x81\x2\x60\x40" }
 
-			it 'works for nested data' do
+			it 'decodes nested data' do
 				expect(counter).to receive(:tick).exactly(1)
 				BufferedDecoder.new(
 					integer: -> (val) { expect(val).to eq 2; counter.tick }
 				) << data
 			end
+
+			it 'raises for invalid input' do
+				expect {
+					BufferedDecoder.new << "\x1F" # Reserved
+				}.to raise_exception DecodingError
+			end
 		end
 	end
 end