X-Git-Url: http://git.scottworley.com/inverse-tax/blobdiff_plain/9737900ee57988ffb64fea66f4c6e4245d51ad9a..1c6e40691d86539d80018aa8fc495272b900c4c4:/tax.test.js

diff --git a/tax.test.js b/tax.test.js
index 19597fb..48f2e0d 100644
--- a/tax.test.js
+++ b/tax.test.js
@@ -47,6 +47,7 @@ test("merge tax tables", () => {
 });
 
 test("invert", () => {
+  assert.strictEqual(invert([                  ])(10), 10);
   assert.strictEqual(invert([[ 0, Infinity, .1]])( 9), 10);
   assert.strictEqual(invert([[10, Infinity, .1]])(19), 20);
   assert.strictEqual(invert([[0, 100, .1], [100, Infinity, .2]])(170), 200);