diff --git a/tests/specs/helper.js b/tests/specs/helper.js
index cbe1969..ce6d1a9 100644
--- a/tests/specs/helper.js
+++ b/tests/specs/helper.js
@@ -108,9 +108,12 @@
         $timeout.flush();
     };
 
-    h.mouseMoveToValue = function(value) {
-      var offset = h.slider.valueToOffset(value) + h.slider.handleHalfDim + h.slider.sliderElem.rzsp;
-      h.fireMousemove(offset);
+    h.getMousePosition = function(value) {
+      return h.slider.valueToOffset(value) + h.slider.handleHalfDim + h.slider.sliderElem.rzsp;
+    };
+
+    h.moveMouseToValue = function(value) {
+      h.fireMousemove(h.getMousePosition(value));
     };
 
     return h;
diff --git a/tests/specs/mouse-controls/draggable-range-slider-horizontal-test.js b/tests/specs/mouse-controls/draggable-range-slider-horizontal-test.js
index d78bef0..e3af744 100644
--- a/tests/specs/mouse-controls/draggable-range-slider-horizontal-test.js
+++ b/tests/specs/mouse-controls/draggable-range-slider-horizontal-test.js
@@ -41,9 +41,8 @@
       sinon.spy(helper.slider, 'positionTrackingHandle');
       sinon.spy(helper.slider, 'callOnChange');
       var event = helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 50;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(expectedValue);
       helper.slider.positionTrackingHandle.called.should.be.true;
       helper.slider.callOnChange.called.should.be.true;
@@ -53,9 +52,8 @@
       sinon.spy(helper.slider, 'positionTrackingHandle');
       sinon.spy(helper.slider, 'callOnChange');
       var event = helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 50;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(expectedValue);
       helper.slider.positionTrackingHandle.called.should.be.true;
       helper.slider.callOnChange.called.should.be.true;
@@ -63,9 +61,8 @@
 
     it('should handle click and drag on minH and switch min/max if needed', function() {
       var event = helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 80,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 80;
+      helper.moveMouseToValue(expectedValue);
 
       expect(helper.scope.slider.min).to.equal(60);
       expect(helper.scope.slider.max).to.equal(80);
@@ -73,9 +70,8 @@
 
     it('should handle click and drag on maxH and switch min/max if needed', function() {
       var event = helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 20,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 20;
+      helper.moveMouseToValue(expectedValue);
 
       expect(helper.scope.slider.min).to.equal(20);
       expect(helper.scope.slider.max).to.equal(40);
@@ -88,7 +84,7 @@
       sinon.spy(helper.slider, 'focusElement');
 
       var expectedValue = 10,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       var event = helper.fireMousedown(helper.slider.fullBar, offset);
 
@@ -107,7 +103,7 @@
       sinon.spy(helper.slider, 'focusElement');
 
       var expectedValue = 90,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       var event = helper.fireMousedown(helper.slider.fullBar, offset);
 
@@ -244,7 +240,7 @@
       sinon.spy(helper.slider, 'callOnChange');
       var event = helper.fireMousedown(helper.slider.minH, 0);
       var expectedValue = 50,
-          offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+          offset = helper.getMousePosition(expectedValue);
       helper.fireMousemove(offset);
       expect(helper.scope.slider.min).to.equal(expectedValue);
       helper.slider.positionTrackingHandle.called.should.be.true;
@@ -256,7 +252,7 @@
       sinon.spy(helper.slider, 'callOnChange');
       var event = helper.fireMousedown(helper.slider.maxH, 0);
       var expectedValue = 50,
-          offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+          offset = helper.getMousePosition(expectedValue);
       helper.fireMousemove(offset);
       expect(helper.scope.slider.max).to.equal(expectedValue);
       helper.slider.positionTrackingHandle.called.should.be.true;
@@ -266,7 +262,7 @@
     it('should handle click and drag on minH and switch min/max if needed', function() {
       var event = helper.fireMousedown(helper.slider.minH, 0);
       var expectedValue = 80,
-          offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+          offset = helper.getMousePosition(expectedValue);
       helper.fireMousemove(offset);
 
       expect(helper.scope.slider.min).to.equal(60);
@@ -276,7 +272,7 @@
     it('should handle click and drag on maxH and switch min/max if needed', function() {
       var event = helper.fireMousedown(helper.slider.maxH, 0);
       var expectedValue = 20,
-          offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+          offset = helper.getMousePosition(expectedValue);
       helper.fireMousemove(offset);
 
       expect(helper.scope.slider.min).to.equal(20);
@@ -290,7 +286,7 @@
       sinon.spy(helper.slider, 'focusElement');
 
       var expectedValue = 10,
-          offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+          offset = helper.getMousePosition(expectedValue);
 
       var event = helper.fireMousedown(helper.slider.fullBar, offset);
 
@@ -309,7 +305,7 @@
       sinon.spy(helper.slider, 'focusElement');
 
       var expectedValue = 90,
-          offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+          offset = helper.getMousePosition(expectedValue);
 
       var event = helper.fireMousedown(helper.slider.fullBar, offset);
 
diff --git a/tests/specs/mouse-controls/minMaxLimit-range-slider-horizontal-test.js b/tests/specs/mouse-controls/minMaxLimit-range-slider-horizontal-test.js
index d1b8557..091ca65 100644
--- a/tests/specs/mouse-controls/minMaxLimit-range-slider-horizontal-test.js
+++ b/tests/specs/mouse-controls/minMaxLimit-range-slider-horizontal-test.js
@@ -40,33 +40,29 @@
 
     it('should be able to modify minH above minLimit', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 42,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 42;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(42);
     });
 
     it('should not be able to modify minH below minLimit', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 30,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 30;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(40);
     });
 
     it('should be able to modify maxH below maxLimit', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 58,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 58;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(58);
     });
 
     it('should not be able to modify maxH above maxLimit', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 70,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 70;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(60);
     });
   });
@@ -111,33 +107,29 @@
 
     it('should be able to modify minH above minLimit', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 42,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 42;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(42);
     });
 
     it('should not be able to modify minH below minLimit', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 30,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 30;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(40);
     });
 
     it('should be able to modify maxH below maxLimit', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 58,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 58;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(58);
     });
 
     it('should not be able to modify maxH above maxLimit', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 70,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 70;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(60);
     });
   });
diff --git a/tests/specs/mouse-controls/minMaxLimit-single-slider-horizontal-test.js b/tests/specs/mouse-controls/minMaxLimit-single-slider-horizontal-test.js
index 9921e5d..5e99aa2 100644
--- a/tests/specs/mouse-controls/minMaxLimit-single-slider-horizontal-test.js
+++ b/tests/specs/mouse-controls/minMaxLimit-single-slider-horizontal-test.js
@@ -39,33 +39,29 @@
 
     it('should be able to modify minH above minLimit', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 42,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 42;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.value).to.equal(42);
     });
 
     it('should not be able to modify minH below minLimit', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 30,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 30;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.value).to.equal(40);
     });
 
     it('should be able to modify minH below maxLimit', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 58,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 58;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.value).to.equal(58);
     });
 
     it('should not be able to modify minH above maxLimit', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 70,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 70;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.value).to.equal(60);
     });
   });
@@ -109,33 +105,29 @@
 
     it('should be able to modify minH above minLimit', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 42,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 42;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.value).to.equal(42);
     });
 
     it('should not be able to modify minH below minLimit', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 30,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 30;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.value).to.equal(40);
     });
 
     it('should be able to modify minH below maxLimit', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 58,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 58;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.value).to.equal(58);
     });
 
     it('should not be able to modify minH above maxLimit', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 70,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 70;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.value).to.equal(60);
     });
   });
diff --git a/tests/specs/mouse-controls/minMaxRange-noSwitching-range-slider-horizontal-test.js b/tests/specs/mouse-controls/minMaxRange-noSwitching-range-slider-horizontal-test.js
index fed10f3..762cf7c 100644
--- a/tests/specs/mouse-controls/minMaxRange-noSwitching-range-slider-horizontal-test.js
+++ b/tests/specs/mouse-controls/minMaxRange-noSwitching-range-slider-horizontal-test.js
@@ -40,50 +40,44 @@
 
     it('should not modify any value if new range would be smaller than minRange when moving minH', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 50;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(45);
     });
 
     it('should not modify any value if new range would be smaller than minRange when moving maxH', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 50;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(55);
     });
 
     it('should modify the min value if new range is larger than minRange when moving minH', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 30,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 30;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(expectedValue);
     });
 
     it('should modify the max value if new range is larger than than minRange when moving maxH', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 70,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 70;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(expectedValue);
     });
 
     it('should not switch min/max when moving minH even if the range is large enough', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 80,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 80;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(45);
       expect(helper.scope.slider.max).to.equal(55);
     });
 
     it('should not switch min/max when moving maxH even if the range is large enough', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 20,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 20;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(45);
       expect(helper.scope.slider.max).to.equal(55);
     });
@@ -130,7 +124,7 @@
     it('should not modify any value if new range would be smaller than minRange when moving minH', function() {
       helper.fireMousedown(helper.slider.minH, 0);
       var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
       helper.fireMousemove(-offset);
       expect(helper.scope.slider.min).to.equal(45);
     });
@@ -138,31 +132,29 @@
     it('should not modify any value if new range would be smaller than minRange when moving maxH', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
       var expectedValue = 50,
-        offset = helper.slider.maxPos - (helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp);
+        offset = helper.slider.maxPos - helper.getMousePosition(expectedValue);
       helper.fireMousemove(offset);
       expect(helper.scope.slider.max).to.equal(55);
     });
 
     it('should modify the min value if new range is larger than minRange when moving minH', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 30,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 30;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(expectedValue);
     });
 
     it('should modify the max value if new range is larger than than minRange when moving maxH', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 70,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 70;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(expectedValue);
     });
 
     it('should not switch min/max when moving minH even if the range is large enough', function() {
       helper.fireMousedown(helper.slider.minH, 0);
       var expectedValue = 80,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
       helper.fireMousemove(-offset);
       expect(helper.scope.slider.min).to.equal(45);
       expect(helper.scope.slider.max).to.equal(55);
@@ -170,9 +162,8 @@
 
     it('should not switch min/max when moving maxH even if the range is large enough', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 20,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 20;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(45);
       expect(helper.scope.slider.max).to.equal(55);
     });
diff --git a/tests/specs/mouse-controls/minMaxRange-range-slider-horizontal-test.js b/tests/specs/mouse-controls/minMaxRange-range-slider-horizontal-test.js
index cacaed1..b318ffe 100644
--- a/tests/specs/mouse-controls/minMaxRange-range-slider-horizontal-test.js
+++ b/tests/specs/mouse-controls/minMaxRange-range-slider-horizontal-test.js
@@ -39,50 +39,44 @@
 
     it('should not modify any value if new range would be smaller than minRange when moving minH', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 50;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(45);
     });
 
     it('should not modify any value if new range would be smaller than minRange when moving maxH', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 50;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(55);
     });
 
     it('should modify the min value if new range is larger than minRange when moving minH', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 30,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 30;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(expectedValue);
     });
 
     it('should modify the max value if new range is larger than than minRange when moving maxH', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 70,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 70;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(expectedValue);
     });
 
     it('should modify the min value if switch min/max with a value large enough', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 80,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 80;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(55);
       expect(helper.scope.slider.max).to.equal(expectedValue);
     });
 
     it('should modify the max value if switch min/max with a value large enough', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 20,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 20;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(expectedValue);
       expect(helper.scope.slider.max).to.equal(45);
     });
@@ -126,33 +120,29 @@
 
     it('should not modify any value if new range would be larger than maxRange when moving minH', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 30,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 30;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(45);
     });
 
     it('should not modify any value if new range would be larger than maxRange when moving maxH', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 70,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 70;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(55);
     });
 
     it('should modify the min value if new range is smaller than maxRange when moving minH', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 50;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(expectedValue);
     });
 
     it('should modify the max value if new range is smaller than than maxRange when moving maxH', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 50;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(expectedValue);
     });
   });
@@ -197,50 +187,44 @@
 
     it('should not modify any value if new range would be smaller than minRange when moving minH', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 50;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(45);
     });
 
     it('should not modify any value if new range would be smaller than minRange when moving maxH', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 50;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(55);
     });
 
     it('should modify the min value if new range is larger than minRange when moving minH', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 30,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 30;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(expectedValue);
     });
 
     it('should modify the max value if new range is larger than than minRange when moving maxH', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 70,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 70;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(expectedValue);
     });
 
     it('should modify the min value if switch min/max with a value large enough', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 80,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 80;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(55);
       expect(helper.scope.slider.max).to.equal(expectedValue);
     });
 
     it('should modify the max value if switch min/max with a value large enough', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 20,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 20;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(expectedValue);
       expect(helper.scope.slider.max).to.equal(45);
     });
diff --git a/tests/specs/mouse-controls/noSwitching-range-slider-horizontal-test.js b/tests/specs/mouse-controls/noSwitching-range-slider-horizontal-test.js
index dc3154c..76c7f58 100644
--- a/tests/specs/mouse-controls/noSwitching-range-slider-horizontal-test.js
+++ b/tests/specs/mouse-controls/noSwitching-range-slider-horizontal-test.js
@@ -39,17 +39,15 @@
 
     it('should not switch min and max handles if minH is dragged after maxH', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 60,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 60;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(55);
     });
 
     it('should not switch min and max handles if maxH is dragged before minH', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 20,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 20;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(45);
     });
 
@@ -58,7 +56,7 @@
       helper.scope.$digest();
 
       var expectedValue = 30,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       helper.fireMousedown(helper.slider.fullBar, offset);
 
@@ -71,7 +69,7 @@
       helper.scope.$digest();
 
       var expectedValue = 70,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       helper.fireMousedown(helper.slider.fullBar, offset);
 
@@ -119,17 +117,15 @@
 
     it('should not switch min and max handles if minH is dragged after maxH', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 60,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 60;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(55);
     });
 
     it('should not switch min and max handles if maxH is dragged before minH', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 20,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 20;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(45);
     });
 
@@ -138,7 +134,7 @@
       helper.scope.$digest();
 
       var expectedValue = 30,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       helper.fireMousedown(helper.slider.fullBar, offset);
 
@@ -151,7 +147,7 @@
       helper.scope.$digest();
 
       var expectedValue = 70,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       helper.fireMousedown(helper.slider.fullBar, offset);
 
diff --git a/tests/specs/mouse-controls/onlyBindHandles-single-slider-horizontal-test.js b/tests/specs/mouse-controls/onlyBindHandles-single-slider-horizontal-test.js
index 05ae7c1..7b6fdc8 100644
--- a/tests/specs/mouse-controls/onlyBindHandles-single-slider-horizontal-test.js
+++ b/tests/specs/mouse-controls/onlyBindHandles-single-slider-horizontal-test.js
@@ -41,9 +41,8 @@
       sinon.spy(helper.slider, 'positionTrackingHandle');
       sinon.spy(helper.slider, 'callOnChange');
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 50;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.value).to.equal(expectedValue);
       helper.slider.positionTrackingHandle.called.should.be.true;
       helper.slider.callOnChange.called.should.be.true;
@@ -104,9 +103,8 @@
       sinon.spy(helper.slider, 'positionTrackingHandle');
       sinon.spy(helper.slider, 'callOnChange');
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 50;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.value).to.equal(expectedValue);
       helper.slider.positionTrackingHandle.called.should.be.true;
       helper.slider.callOnChange.called.should.be.true;
diff --git a/tests/specs/mouse-controls/pushRange-range-slider-horizontal-test.js b/tests/specs/mouse-controls/pushRange-range-slider-horizontal-test.js
index 1a0e1e9..3de2012 100644
--- a/tests/specs/mouse-controls/pushRange-range-slider-horizontal-test.js
+++ b/tests/specs/mouse-controls/pushRange-range-slider-horizontal-test.js
@@ -39,28 +39,28 @@
 
     it('should push maxH when moving minH above it', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      helper.mouseMoveToValue(60);
+      helper.moveMouseToValue(60);
       expect(helper.scope.slider.min).to.equal(60);
       expect(helper.scope.slider.max).to.equal(61);
     });
 
     it('should push minH when moving maxH below it', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      helper.mouseMoveToValue(40);
+      helper.moveMouseToValue(40);
       expect(helper.scope.slider.min).to.equal(39);
       expect(helper.scope.slider.max).to.equal(40);
     });
 
     it('should not move maxH above ceil when moving minH to ceil', function() {
       helper.fireMousedown(helper.slider.minH, 0);
-      helper.mouseMoveToValue(100);
+      helper.moveMouseToValue(100);
       expect(helper.scope.slider.min).to.equal(99);
       expect(helper.scope.slider.max).to.equal(100);
     });
 
     it('should not move minH below floor when moving maxH to floor', function() {
       helper.fireMousedown(helper.slider.maxH, 0);
-      helper.mouseMoveToValue(0);
+      helper.moveMouseToValue(0);
       expect(helper.scope.slider.min).to.equal(0);
       expect(helper.scope.slider.max).to.equal(1);
     });
@@ -70,7 +70,7 @@
       helper.scope.$digest();
 
       helper.fireMousedown(helper.slider.minH, 0);
-      helper.mouseMoveToValue(60);
+      helper.moveMouseToValue(60);
       expect(helper.scope.slider.min).to.equal(60);
       expect(helper.scope.slider.max).to.equal(65);
     });
@@ -80,7 +80,7 @@
       helper.scope.$digest();
 
       helper.fireMousedown(helper.slider.maxH, 0);
-      helper.mouseMoveToValue(40);
+      helper.moveMouseToValue(40);
       expect(helper.scope.slider.min).to.equal(35);
       expect(helper.scope.slider.max).to.equal(40);
     });
@@ -91,7 +91,7 @@
       helper.scope.$digest();
 
       helper.fireMousedown(helper.slider.minH, 0);
-      helper.mouseMoveToValue(60);
+      helper.moveMouseToValue(60);
       expect(helper.scope.slider.min).to.equal(60);
       expect(helper.scope.slider.max).to.equal(70);
     });
@@ -102,7 +102,7 @@
       helper.scope.$digest();
 
       helper.fireMousedown(helper.slider.maxH, 0);
-      helper.mouseMoveToValue(40);
+      helper.moveMouseToValue(40);
       expect(helper.scope.slider.min).to.equal(30);
       expect(helper.scope.slider.max).to.equal(40);
     });
@@ -113,7 +113,7 @@
       helper.scope.$digest();
 
       helper.fireMousedown(helper.slider.minH, 0);
-      helper.mouseMoveToValue(60);
+      helper.moveMouseToValue(60);
       expect(helper.scope.slider.min).to.equal(60);
       expect(helper.scope.slider.max).to.equal(60);
     });
@@ -124,7 +124,7 @@
       helper.scope.$digest();
 
       helper.fireMousedown(helper.slider.maxH, 0);
-      helper.mouseMoveToValue(40);
+      helper.moveMouseToValue(40);
       expect(helper.scope.slider.min).to.equal(40);
       expect(helper.scope.slider.max).to.equal(40);
     });
diff --git a/tests/specs/mouse-controls/range-slider-horizontal-test.js b/tests/specs/mouse-controls/range-slider-horizontal-test.js
index b961873..e5918b4 100644
--- a/tests/specs/mouse-controls/range-slider-horizontal-test.js
+++ b/tests/specs/mouse-controls/range-slider-horizontal-test.js
@@ -110,9 +110,8 @@
       sinon.spy(helper.slider, 'positionTrackingHandle');
       sinon.spy(helper.slider, 'callOnChange');
       var event = helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 50;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(expectedValue);
       helper.slider.positionTrackingHandle.called.should.be.true;
       helper.slider.callOnChange.called.should.be.true;
@@ -122,9 +121,8 @@
       sinon.spy(helper.slider, 'positionTrackingHandle');
       sinon.spy(helper.slider, 'callOnChange');
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 50;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(expectedValue);
       helper.slider.positionTrackingHandle.called.should.be.true;
       helper.slider.callOnChange.called.should.be.true;
@@ -137,9 +135,8 @@
 
       sinon.spy(helper.slider, 'focusElement');
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 80,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 80;
+      helper.moveMouseToValue(expectedValue);
 
       expect(helper.scope.slider.min).to.equal(60);
       expect(helper.scope.slider.max).to.equal(80);
@@ -154,9 +151,8 @@
 
       sinon.spy(helper.slider, 'focusElement');
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 80,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 80;
+      helper.moveMouseToValue(expectedValue);
 
       expect(helper.scope.slider.min).to.equal(60);
       expect(helper.scope.slider.max).to.equal(80);
@@ -170,9 +166,8 @@
 
       sinon.spy(helper.slider, 'focusElement');
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 20,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 20;
+      helper.moveMouseToValue(expectedValue);
 
       expect(helper.scope.slider.min).to.equal(20);
       expect(helper.scope.slider.max).to.equal(40);
@@ -187,9 +182,8 @@
 
       sinon.spy(helper.slider, 'focusElement');
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 20,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 20;
+      helper.moveMouseToValue(expectedValue);
 
       expect(helper.scope.slider.min).to.equal(20);
       expect(helper.scope.slider.max).to.equal(40);
@@ -203,7 +197,7 @@
       sinon.spy(helper.slider, 'focusElement');
 
       var expectedValue = 10,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       var event = helper.fireMousedown(helper.slider.fullBar, offset);
 
@@ -222,7 +216,7 @@
       sinon.spy(helper.slider, 'focusElement');
 
       var expectedValue = 90,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       var event = helper.fireMousedown(helper.slider.fullBar, offset);
 
@@ -241,7 +235,7 @@
       sinon.spy(helper.slider, 'focusElement');
 
       var expectedValue = 10,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       var event = helper.fireMousedown(helper.slider.selBar, offset);
 
@@ -260,7 +254,7 @@
       sinon.spy(helper.slider, 'focusElement');
 
       var expectedValue = 90,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       var event = helper.fireMousedown(helper.slider.selBar, offset);
 
@@ -383,9 +377,8 @@
       sinon.spy(helper.slider, 'positionTrackingHandle');
       sinon.spy(helper.slider, 'callOnChange');
       var event = helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 50;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.min).to.equal(expectedValue);
       helper.slider.positionTrackingHandle.called.should.be.true;
       helper.slider.callOnChange.called.should.be.true;
@@ -395,9 +388,8 @@
       sinon.spy(helper.slider, 'positionTrackingHandle');
       sinon.spy(helper.slider, 'callOnChange');
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 50;
+      helper.moveMouseToValue(expectedValue);
       expect(helper.scope.slider.max).to.equal(expectedValue);
       helper.slider.positionTrackingHandle.called.should.be.true;
       helper.slider.callOnChange.called.should.be.true;
@@ -410,9 +402,8 @@
 
       sinon.spy(helper.slider, 'focusElement');
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 80,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 80;
+      helper.moveMouseToValue(expectedValue);
 
       expect(helper.scope.slider.min).to.equal(60);
       expect(helper.scope.slider.max).to.equal(80);
@@ -427,9 +418,8 @@
 
       sinon.spy(helper.slider, 'focusElement');
       helper.fireMousedown(helper.slider.minH, 0);
-      var expectedValue = 80,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 80;
+      helper.moveMouseToValue(expectedValue);
 
       expect(helper.scope.slider.min).to.equal(60);
       expect(helper.scope.slider.max).to.equal(80);
@@ -443,9 +433,8 @@
 
       sinon.spy(helper.slider, 'focusElement');
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 20,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 20;
+      helper.moveMouseToValue(expectedValue);
 
       expect(helper.scope.slider.min).to.equal(20);
       expect(helper.scope.slider.max).to.equal(40);
@@ -460,9 +449,8 @@
 
       sinon.spy(helper.slider, 'focusElement');
       helper.fireMousedown(helper.slider.maxH, 0);
-      var expectedValue = 20,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
-      helper.fireMousemove(offset);
+      var expectedValue = 20;
+      helper.moveMouseToValue(expectedValue);
 
       expect(helper.scope.slider.min).to.equal(20);
       expect(helper.scope.slider.max).to.equal(40);
@@ -476,7 +464,7 @@
       sinon.spy(helper.slider, 'focusElement');
 
       var expectedValue = 10,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       var event = helper.fireMousedown(helper.slider.fullBar, offset);
 
@@ -495,7 +483,7 @@
       sinon.spy(helper.slider, 'focusElement');
 
       var expectedValue = 90,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       var event = helper.fireMousedown(helper.slider.fullBar, offset);
 
@@ -514,7 +502,7 @@
       sinon.spy(helper.slider, 'focusElement');
 
       var expectedValue = 10,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       var event = helper.fireMousedown(helper.slider.selBar, offset);
 
@@ -533,7 +521,7 @@
       sinon.spy(helper.slider, 'focusElement');
 
       var expectedValue = 90,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       var event = helper.fireMousedown(helper.slider.selBar, offset);
 
diff --git a/tests/specs/mouse-controls/single-slider-horizontal-test.js b/tests/specs/mouse-controls/single-slider-horizontal-test.js
index bb9f136..db774a8 100644
--- a/tests/specs/mouse-controls/single-slider-horizontal-test.js
+++ b/tests/specs/mouse-controls/single-slider-horizontal-test.js
@@ -75,7 +75,7 @@
       sinon.spy(helper.slider, 'callOnChange');
       var event = helper.fireMousedown(helper.slider.minH, 0);
       var expectedValue = 50,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
       helper.fireMousemove(offset);
       expect(helper.scope.slider.value).to.equal(expectedValue);
       helper.slider.positionTrackingHandle.called.should.be.true;
@@ -136,7 +136,7 @@
       sinon.spy(helper.slider, 'callOnChange');
 
       var expectedValue = 12,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       helper.fireMousedown(helper.slider.fullBar, offset);
 
@@ -153,7 +153,7 @@
       sinon.spy(helper.slider, 'callOnChange');
 
       var expectedValue = 12,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       var event = helper.fireMousedown(helper.slider.selBar, offset);
 
@@ -173,7 +173,7 @@
       sinon.spy(helper.slider, 'callOnChange');
 
       var expectedValue = 10,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       helper.fireMousedown(helper.slider.ticks, offset);
 
@@ -193,7 +193,7 @@
       sinon.spy(helper.slider, 'callOnChange');
 
       var expectedValue = 10,
-        offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+        offset = helper.getMousePosition(expectedValue);
 
       helper.fireMousedown(helper.slider.ticks, offset);
 
@@ -280,7 +280,7 @@
         sinon.spy(helper.slider, 'callOnChange');
         var event = helper.fireMousedown(helper.slider.minH, 0);
         var expectedValue = 50,
-          offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+          offset = helper.getMousePosition(expectedValue);
         helper.fireMousemove(offset);
         expect(helper.scope.slider.value).to.equal(expectedValue);
         helper.slider.positionTrackingHandle.called.should.be.true;
@@ -340,7 +340,7 @@
         sinon.spy(helper.slider, 'callOnChange');
 
         var expectedValue = 12,
-          offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+          offset = helper.getMousePosition(expectedValue);
 
         helper.fireMousedown(helper.slider.fullBar, offset);
 
@@ -357,7 +357,7 @@
         sinon.spy(helper.slider, 'callOnChange');
 
         var expectedValue = 12,
-          offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+          offset = helper.getMousePosition(expectedValue);
 
         var event = helper.fireMousedown(helper.slider.selBar, offset);
 
@@ -377,7 +377,7 @@
         sinon.spy(helper.slider, 'callOnChange');
 
         var expectedValue = 10,
-          offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+          offset = helper.getMousePosition(expectedValue);
 
         helper.fireMousedown(helper.slider.ticks, offset);
 
@@ -397,7 +397,7 @@
         sinon.spy(helper.slider, 'callOnChange');
 
         var expectedValue = 10,
-          offset = helper.slider.valueToOffset(expectedValue) + helper.slider.handleHalfDim + helper.slider.sliderElem.rzsp;
+          offset = helper.getMousePosition(expectedValue);
 
         helper.fireMousedown(helper.slider.ticks, offset);