1 files changed, 13 insertions, 0 deletions
diff --git a/tests/guuid.go b/tests/guuid.go
index 786a32c..58e748e 100644
--- a/tests/guuid.go
+++ b/tests/guuid.go
@@ -165,6 +165,19 @@ func test_New() {
 		var uuid UUID = New()
 		assertEq(len(uuid), 16)
 	})
+
+	testing("panic when the randomReader fails", func() {
+		savedReader := randomReader
+		randomReader = strings.NewReader("abc")
+		defer func() {
+			r := recover()
+			assertEq(r == nil, false)
+			randomReader = savedReader
+		}()
+
+		New()
+		assertEq(true, false)
+	})
 }
 
 func test_String() {