1 files changed, 9 insertions, 0 deletions
diff --git a/src/test/scala/scala/async/package.scala b/src/test/scala/scala/async/package.scala
index 1c93776..166edaa 100644
--- a/src/test/scala/scala/async/package.scala
+++ b/src/test/scala/scala/async/package.scala
@@ -18,6 +18,15 @@ package object async {
 
   implicit class stringops(text: String) {
     def mustContain(substring: String) = assert(text contains substring, text)
+
+    def mustStartWith(prefix: String) = assert(text startsWith prefix, text)
+  }
+
+  implicit class listops(list: List[String]) {
+    def mustStartWith(prefixes: List[String]) = {
+      assert(list.length == prefixes.size, ("expected = " + prefixes.length + ", actual = " + list.length, list))
+      list.zip(prefixes).foreach{ case (el, prefix) => el mustStartWith prefix }
+    }
   }
 
   def intercept[T <: Throwable : ClassTag](body: => Any): T = {