diff --git a/tests/testthat/test-indexes.R b/tests/testthat/test-indexes.R
new file mode 100644
index 00000000..6e1dbda2
--- /dev/null
+++ b/tests/testthat/test-indexes.R
@@ -0,0 +1,7 @@
+# Test for for indexes to return correct values, e.g.
+# tested against other software
+
+test_that("PVAFF returns expected value", {
+  v <- indexPvaff(boeker)
+  expect_equal(v, 0.42007)
+})