spec: Add spec

Author: DanSnow

spec/binary_parser_spec.cr

@@ -0,0 +1,19 @@
+require "./spec_helper"
+require "./fixture/*"
+
+describe BinaryParser do
+  describe "uint32" do
+    it "parse correct" do
+      parser = UInt32Parser.new.load(UINT32_FIXTURE)
+      expect(parser.value).to eq(42)
+    end
+  end
+
+  describe "uint8" do
+    it "parse correct" do
+      parser = UInt8Parser.new.load(UINT8_FIXTURE)
+      expect(parser.value).to eq(42)
+    end
+  end
+end
+

spec/fixture/uint32.cr

@@ -0,0 +1,9 @@
+require "../../src/binary_parser"
+
+class UInt32Parser < BinaryParser
+  uint32 :value
+end
+
+UINT32_FIXTURE = IO::Memory.new(sizeof(UInt32))
+UINT32_FIXTURE.write_bytes(42u32)
+UINT32_FIXTURE.rewind

spec/fixture/uint8.cr

@@ -0,0 +1,9 @@
+require "../../src/binary_parser"
+
+class UInt8Parser < BinaryParser
+  uint8 :value
+end
+
+UINT8_FIXTURE = IO::Memory.new(sizeof(UInt8))
+UINT8_FIXTURE.write_bytes(42u8)
+UINT8_FIXTURE.rewind

spec/spec_helper.cr

@@ -0,0 +1,4 @@
+require "spec"
+require "expect"
+require "../src/binary_parser"
+