1 files changed, 37 insertions, 0 deletions
diff --git a/core/src/test/scala/com/rockymadden/stringmetric/similarity/HammingMetricSpec.scala b/core/src/test/scala/com/rockymadden/stringmetric/similarity/HammingMetricSpec.scala
new file mode 100755
index 0000000..abb56db
--- /dev/null
+++ b/core/src/test/scala/com/rockymadden/stringmetric/similarity/HammingMetricSpec.scala
@@ -0,0 +1,37 @@
+package com.rockymadden.stringmetric.similarity
+
+import com.rockymadden.stringmetric.ScalaTest
+import org.junit.runner.RunWith
+import org.scalatest.junit.JUnitRunner
+
+@RunWith(classOf[JUnitRunner])
+final class HammingMetricSpec extends ScalaTest { "HammingMetric" should provide {
+	"compare method" when passed {
+		"empty arguments" should returns {
+			"None" in {
+				HammingMetric.compare("", "").isDefined should be (false)
+				HammingMetric.compare("abc", "").isDefined should be (false)
+				HammingMetric.compare("", "xyz").isDefined should be (false)
+			}
+		}
+		"equal arguments" should returns {
+			"0" in {
+				HammingMetric.compare("abc", "abc").get should be (0)
+				HammingMetric.compare("123", "123").get should be (0)
+			}
+		}
+		"unequal arguments" should returns {
+			"Int indicating distance" in {
+				HammingMetric.compare("abc", "xyz").get should be (3)
+				HammingMetric.compare("123", "456").get should be (3)
+			}
+		}
+		"valid arguments" should returns {
+			"Int indicating distance" in {
+				HammingMetric.compare("toned", "roses").get should be (3)
+				HammingMetric.compare("1011101", "1001001").get should be (2)
+				HammingMetric.compare("2173896", "2233796").get should be (3)
+			}
+		}
+	}
+}}