X-Git-Url: https://adrianiainlam.tk/git/?a=blobdiff_plain;f=auto_tests%2Ftests%2Fformats.js;h=2548d99fd7c009b4614408d989281effa97ef8d8;hb=HEAD;hp=a0b779baa4534387d1571384f0d937798a1cbf34;hpb=1b7afc93886e2927b6f320e8e1ed4dd6bd9ab53b;p=dygraphs.git

diff --git a/auto_tests/tests/formats.js b/auto_tests/tests/formats.js
index a0b779b..2548d99 100644
--- a/auto_tests/tests/formats.js
+++ b/auto_tests/tests/formats.js
@@ -3,14 +3,12 @@
  *
  * @author konigsberg@google.com (Robert Konigsberg)
  */
-describe("formats", function() {
 
-beforeEach(function() {
-  document.body.innerHTML = "<div id='graph'></div>";
-});
+import Dygraph from '../../src/dygraph';
 
-afterEach(function() {
-});
+describe("formats", function() {
+
+cleanupAfterEach();
 
 var dataString =
   "X,Y\n" +
@@ -79,6 +77,16 @@ it('testXValueParser', function() {
   assert.equal(6, g.getValue(3, 0));
 });
 
+it('should throw on strings in native format', () => {
+  assert.throws(() => {
+    new Dygraph('graph', [['1', '10'], ['2', '20']])
+  }, /expected number or date/i);
+
+  assert.throws(() => {
+    new Dygraph('graph', [[new Date(), '10'], [new Date(), '20']])
+  }, /expected number or array/i);
+});
+
 var assertData = function(g) {
   var expected = dataArray;