Slider: tooltip should update value when slider value is changed by keyboard (T1316215) (#32065)

Co-authored-by: Alexander Kozlovskiy <[email protected]>

Author: r-farkhutdinov

packages/devextreme/js/__internal/ui/slider/m_slider.ts

@@ -610,6 +610,7 @@ class Slider<
     } else {
       this.option('value', value);
       this._saveValueChangeEvent(undefined);
+      this._actualValue = undefined;
     }
   }
 

packages/devextreme/testing/tests/DevExpress.ui.widgets.editors/slider.tests.js

@@ -1181,6 +1181,8 @@ module('tooltip integration', {
 
         this.init = (options) => {
             this.slider = this.$slider.dxSlider(options).dxSlider('instance');
+            this.$wrapper = this.$slider.find(`.${SLIDER_WRAPPER_CLASS}`);
+            this.pointer = pointerMock(this.$wrapper);
             this.$handle = this.$slider.find(`.${SLIDER_HANDLE_CLASS}`);
             this.handle = SliderHandle.getInstance(this.$handle);
             this.$tooltip = this.$handle.find(`.${TOOLTIP_CLASS}`);
@@ -1351,6 +1353,24 @@ module('tooltip integration', {
         this.checkTooltipExists(true, assert);
     });
 
+    test('tooltip should update value when slider value is changed by keyboard after swipe event without swipeEnd (T1316215)', function(assert) {
+        this.init({
+            min: 0,
+            max: 100,
+            value: 50,
+            width: 100,
+            tooltip: {
+                enabled: true,
+                showMode: 'always'
+            }
+        });
+
+        this.pointer.start().swipeStart().swipe(0);
+        keyboardMock(this.$handle).keyDown('right');
+
+        assert.strictEqual(this.getTooltipText(), '51', 'tooltip value is updated');
+    });
+
     module('tooltip position', () => {
         test('tooltip should be centered after visibility changed', function(assert) {
             const $parent = this.$slider.parent();