add jasmine test

Author: archmoj

test/jasmine/tests/hover_label_test.js

@@ -4831,6 +4831,60 @@ describe('hovermode: (x|y)unified', function() {
         .then(done, done.fail);
     });
 
+    it('should format differing position using *xother* `hovertemplate` and in respect to `xhoverformat`', function(done) {
+        Plotly.newPlot(gd, [{
+            type: 'bar',
+            hovertemplate: '%{y:.1f} %{xother:.2f}',
+            x: [0, 1.001],
+            y: [1.001, 2.001]
+        }, {
+            x: [0, 0.749],
+            y: [1.999, 0.999]
+        }, {
+            hovertemplate: '%{y:.1f} %{xother}',
+            xhoverformat: '.1f',
+            x: [0, 1.251],
+            y: [2.001, 3.001]
+        }], {
+            hoverdistance: -1,
+            hovermode: 'x unified',
+            showlegend: false,
+            width: 500,
+            height: 500,
+            margin: {
+                t: 50,
+                b: 50,
+                l: 50,
+                r: 50
+            }
+        })
+        .then(function() {
+            _hover(gd, { xpx: 100, ypx: 200 });
+            assertLabel({title: '0', items: [
+                'trace 0 : 1.0 ',
+                'trace 1 : 1.999',
+                'trace 2 : 2.0 (0.0)'
+            ]});
+        })
+        .then(function() {
+            _hover(gd, { xpx: 250, ypx: 200 });
+            assertLabel({title: '0.749', items: [
+                'trace 0 : 2.0 (1.00)',
+                'trace 1 : 0.999',
+                'trace 2 : 3.0 (1.3)'
+            ]});
+        })
+        .then(function() {
+            _hover(gd, { xpx: 350, ypx: 200 });
+            assertLabel({title: '1.3', items: [
+                'trace 0 : 2.0 (1.00)',
+                'trace 1 : (0.749, 0.999)',
+                'trace 2 : 3.0 '
+            ]});
+        })
+        .then(done, done.fail);
+    });
+
     it('should display hover for two high-res scatter at different various intervals', function(done) {
         var x1 = [];
         var y1 = [];