1 files changed, 31 insertions, 0 deletions
diff --git a/test/ConversionUtilsSpec.scala b/test/ConversionUtilsSpec.scala
new file mode 100644
index 0000000..d6c17b3
--- /dev/null
+++ b/test/ConversionUtilsSpec.scala
@@ -0,0 +1,31 @@
+package ixee.cryptopals.test
+
+import com.ixee.IxeeSpec
+import org.scalatest._
+
+class ConversionUtilsSpec extends FreeSpec with MustMatchers {
+
+  import ixee.cryptopals.utils.ConversionUtils._
+
+  "ConversionUtils" - {
+    ".hexStr2Bytes" - {
+      "converts a hexadecimal string to an equivalent iterator of bytes" - {
+        hexStr2Bytes("12348765").toArray must equal(
+          Array[Byte](
+            0x12.toByte,
+            0x34.toByte,
+            0x87.toByte,
+            0x65.toByte
+          )
+        )
+      }
+
+      "when the string is not an even length" - {
+        "prepends a 0" - {
+          hexStr2Bytes("2123").toArray must equal(hexStr2Bytes("0123").toArray)
+        }
+      }
+    }
+  }
+
+}