1 files changed, 35 insertions, 0 deletions
diff --git a/core/source/test/scala/com/rockymadden/stringmetric/filter/AsciiLetterNumberOnlyFilterSpec.scala b/core/source/test/scala/com/rockymadden/stringmetric/filter/AsciiLetterNumberOnlyFilterSpec.scala
new file mode 100755
index 0000000..7998e39
--- /dev/null
+++ b/core/source/test/scala/com/rockymadden/stringmetric/filter/AsciiLetterNumberOnlyFilterSpec.scala
@@ -0,0 +1,35 @@
+package com.rockymadden.stringmetric.filter
+
+import com.rockymadden.stringmetric.ScalaTest
+import org.junit.runner.RunWith
+import org.scalatest.junit.JUnitRunner
+
+@RunWith(classOf[JUnitRunner])
+final class AsciiLetterNumberOnlyFilterSpec extends ScalaTest {
+	import AsciiLetterNumberOnlyFilterSpec.Filter
+
+	"AsciiLetterNumberOnlyFilter" should provide {
+		"overloaded filter method" when passed {
+			"String with mixed characters" should returns {
+				"String with non-letters and non-numbers removed" in {
+					Filter.filter("!@#$%^&*()abc") should equal ("abc")
+					Filter.filter("!@#$%^&*()abc123") should equal ("abc123")
+					Filter.filter("abc123!@#$%^&*()") should equal ("abc123")
+					Filter.filter("!@#$%abc123^&*()") should equal ("abc123")
+				}
+			}
+			"character array with mixed characters" should returns {
+				"character array with non-letters and non-numbers removed" in {
+					Filter.filter("!@#$%^&*()abc".toCharArray) should equal ("abc".toCharArray)
+					Filter.filter("!@#$%^&*()abc123".toCharArray) should equal ("abc123".toCharArray)
+					Filter.filter("abc123!@#$%^&*()".toCharArray) should equal ("abc123".toCharArray)
+					Filter.filter("!@#$%abc123^&*()".toCharArray) should equal ("abc123".toCharArray)
+				}
+			}
+		}
+	}
+}
+
+object AsciiLetterNumberOnlyFilterSpec {
+	private final val Filter = new StringFilterDelegate with AsciiLetterNumberOnlyFilter
+}