diff --git a/java/src/com/android/inputmethod/keyboard/internal/PointerTrackerQueue.java b/java/src/com/android/inputmethod/keyboard/internal/PointerTrackerQueue.java
index 8901f99..31ef3cd 100644
--- a/java/src/com/android/inputmethod/keyboard/internal/PointerTrackerQueue.java
+++ b/java/src/com/android/inputmethod/keyboard/internal/PointerTrackerQueue.java
@@ -48,6 +48,9 @@
 
     public void add(final Element pointer) {
         synchronized (mExpandableArrayOfActivePointers) {
+            if (DEBUG) {
+                Log.d(TAG, "add: " + pointer + " " + this);
+            }
             final ArrayList<Element> expandableArray = mExpandableArrayOfActivePointers;
             final int arraySize = mArraySize;
             if (arraySize < expandableArray.size()) {
@@ -61,24 +64,27 @@
 
     public void remove(final Element pointer) {
         synchronized (mExpandableArrayOfActivePointers) {
+            if (DEBUG) {
+                Log.d(TAG, "remove: " + pointer + " " + this);
+            }
             final ArrayList<Element> expandableArray = mExpandableArrayOfActivePointers;
             final int arraySize = mArraySize;
-            int newSize = 0;
+            int newIndex = 0;
             for (int index = 0; index < arraySize; index++) {
                 final Element element = expandableArray.get(index);
                 if (element == pointer) {
-                    if (newSize != index) {
+                    if (newIndex != index) {
                         Log.w(TAG, "Found duplicated element in remove: " + pointer);
                     }
                     continue; // Remove this element from the expandableArray.
                 }
-                if (newSize != index) {
+                if (newIndex != index) {
                     // Shift this element toward the beginning of the expandableArray.
-                    expandableArray.set(newSize, element);
+                    expandableArray.set(newIndex, element);
                 }
-                newSize++;
+                newIndex++;
             }
-            mArraySize = newSize;
+            mArraySize = newIndex;
         }
     }
 
@@ -95,8 +101,8 @@
             }
             final ArrayList<Element> expandableArray = mExpandableArrayOfActivePointers;
             final int arraySize = mArraySize;
-            int newSize, index;
-            for (newSize = index = 0; index < arraySize; index++) {
+            int newIndex, index;
+            for (newIndex = index = 0; index < arraySize; index++) {
                 final Element element = expandableArray.get(index);
                 if (element == pointer) {
                     break; // Stop releasing elements.
@@ -105,29 +111,30 @@
                     element.onPhantomUpEvent(eventTime);
                     continue; // Remove this element from the expandableArray.
                 }
-                if (newSize != index) {
+                if (newIndex != index) {
                     // Shift this element toward the beginning of the expandableArray.
-                    expandableArray.set(newSize, element);
+                    expandableArray.set(newIndex, element);
                 }
-                newSize++;
+                newIndex++;
             }
             // Shift rest of the expandableArray.
             int count = 0;
             for (; index < arraySize; index++) {
                 final Element element = expandableArray.get(index);
                 if (element == pointer) {
-                    if (count > 0) {
+                    count++;
+                    if (count > 1) {
                         Log.w(TAG, "Found duplicated element in releaseAllPointersOlderThan: "
                                 + pointer);
                     }
-                    count++;
                 }
-                if (newSize != index) {
-                    expandableArray.set(newSize, expandableArray.get(index));
-                    newSize++;
+                if (newIndex != index) {
+                    // Shift this element toward the beginning of the expandableArray.
+                    expandableArray.set(newIndex, expandableArray.get(index));
                 }
+                newIndex++;
             }
-            mArraySize = newSize;
+            mArraySize = newIndex;
         }
     }
 
@@ -146,26 +153,26 @@
             }
             final ArrayList<Element> expandableArray = mExpandableArrayOfActivePointers;
             final int arraySize = mArraySize;
-            int newSize = 0, count = 0;
+            int newIndex = 0, count = 0;
             for (int index = 0; index < arraySize; index++) {
                 final Element element = expandableArray.get(index);
                 if (element == pointer) {
-                    if (count > 0) {
+                    count++;
+                    if (count > 1) {
                         Log.w(TAG, "Found duplicated element in releaseAllPointersExcept: "
                                 + pointer);
                     }
-                    count++;
                 } else {
                     element.onPhantomUpEvent(eventTime);
                     continue; // Remove this element from the expandableArray.
                 }
-                if (newSize != index) {
+                if (newIndex != index) {
                     // Shift this element toward the beginning of the expandableArray.
-                    expandableArray.set(newSize, element);
+                    expandableArray.set(newIndex, element);
                 }
-                newSize++;
+                newIndex++;
             }
-            mArraySize = newSize;
+            mArraySize = newIndex;
         }
     }
 
@@ -202,6 +209,9 @@
 
     public void cancelAllPointerTracker() {
         synchronized (mExpandableArrayOfActivePointers) {
+            if (DEBUG) {
+                Log.d(TAG, "cancelAllPointerTracker: " + this);
+            }
             final ArrayList<Element> expandableArray = mExpandableArrayOfActivePointers;
             final int arraySize = mArraySize;
             for (int index = 0; index < arraySize; index++) {
diff --git a/tests/src/com/android/inputmethod/keyboard/internal/PointerTrackerQueueTests.java b/tests/src/com/android/inputmethod/keyboard/internal/PointerTrackerQueueTests.java
index a572daa..279559c 100644
--- a/tests/src/com/android/inputmethod/keyboard/internal/PointerTrackerQueueTests.java
+++ b/tests/src/com/android/inputmethod/keyboard/internal/PointerTrackerQueueTests.java
@@ -66,23 +66,23 @@
     private final PointerTrackerQueue mQueue = new PointerTrackerQueue();
 
     public void testEmpty() {
-        assertEquals("empty queue", 0, mQueue.size());
-        assertEquals("empty queue", "[]", mQueue.toString());
+        assertEquals(0, mQueue.size());
+        assertEquals("[]", mQueue.toString());
     }
 
     public void testAdd() {
         mQueue.add(mElement1);
-        assertEquals("add element1", 1, mQueue.size());
-        assertEquals("after adding element1", "[1]", mQueue.toString());
+        assertEquals(1, mQueue.size());
+        assertEquals("[1]", mQueue.toString());
         mQueue.add(mElement2);
-        assertEquals("add element2", 2, mQueue.size());
-        assertEquals("after adding element2", "[1 2]", mQueue.toString());
+        assertEquals(2, mQueue.size());
+        assertEquals("[1 2]", mQueue.toString());
         mQueue.add(mElement3);
-        assertEquals("add element3", 3, mQueue.size());
-        assertEquals("after adding element3", "[1 2 3]", mQueue.toString());
+        assertEquals(3, mQueue.size());
+        assertEquals("[1 2 3]", mQueue.toString());
         mQueue.add(mElement4);
-        assertEquals("add element4", 4, mQueue.size());
-        assertEquals("after adding element4", "[1 2 3 4]", mQueue.toString());
+        assertEquals(4, mQueue.size());
+        assertEquals("[1 2 3 4]", mQueue.toString());
     }
 
     public void testRemove() {
@@ -94,33 +94,29 @@
         mQueue.add(mElement4);
 
         mQueue.remove(mElement2);
-        assertEquals("remove element2", 3, mQueue.size());
-        assertEquals("after removing element2", "[1 3 4]", mQueue.toString());
+        assertEquals(3, mQueue.size());
+        assertEquals("[1 3 4]", mQueue.toString());
         mQueue.remove(mElement4);
-        assertEquals("remove element4", 2, mQueue.size());
-        assertEquals("after removing element4", "[1 3]", mQueue.toString());
+        assertEquals(2, mQueue.size());
+        assertEquals("[1 3]", mQueue.toString());
         mQueue.remove(mElement4);
-        assertEquals("remove element4 again", 2, mQueue.size());
-        assertEquals("after removing element4 again", "[1 3]", mQueue.toString());
+        assertEquals(2, mQueue.size());
+        assertEquals("[1 3]", mQueue.toString());
         mQueue.remove(mElement1);
-        assertEquals("remove element1", 1, mQueue.size());
-        assertEquals("after removing element4", "[3]", mQueue.toString());
+        assertEquals(1, mQueue.size());
+        assertEquals("[3]", mQueue.toString());
         mQueue.remove(mElement3);
-        assertEquals("remove element3", 0, mQueue.size());
-        assertEquals("after removing element3", "[]", mQueue.toString());
+        assertEquals(0, mQueue.size());
+        assertEquals("[]", mQueue.toString());
         mQueue.remove(mElement1);
-        assertEquals("remove element1 again", 0, mQueue.size());
-        assertEquals("after removing element1 again", "[]", mQueue.toString());
+        assertEquals(0, mQueue.size());
+        assertEquals("[]", mQueue.toString());
 
-        assertEquals("after remove elements", 0, Element.sPhantomUpCount);
-        assertEquals("after remove element1",
-                Element.NOT_HAPPENED, mElement1.mPhantomUpEventTime);
-        assertEquals("after remove element2",
-                Element.NOT_HAPPENED, mElement2.mPhantomUpEventTime);
-        assertEquals("after remove element3",
-                Element.NOT_HAPPENED, mElement3.mPhantomUpEventTime);
-        assertEquals("after remove element4",
-                Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
+        assertEquals(0, Element.sPhantomUpCount);
+        assertEquals(Element.NOT_HAPPENED, mElement1.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement2.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement3.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
     }
 
     public void testAddAndRemove() {
@@ -132,38 +128,34 @@
         mQueue.add(mElement4);
 
         mQueue.remove(mElement2);
-        assertEquals("remove element2", 3, mQueue.size());
-        assertEquals("after removing element2", "[1 3 4]", mQueue.toString());
+        assertEquals(3, mQueue.size());
+        assertEquals("[1 3 4]", mQueue.toString());
         mQueue.remove(mElement4);
-        assertEquals("remove element4", 2, mQueue.size());
-        assertEquals("after removing element4", "[1 3]", mQueue.toString());
+        assertEquals(2, mQueue.size());
+        assertEquals("[1 3]", mQueue.toString());
         mQueue.add(mElement2);
-        assertEquals("add element2", 3, mQueue.size());
-        assertEquals("after adding element2", "[1 3 2]", mQueue.toString());
+        assertEquals(3, mQueue.size());
+        assertEquals("[1 3 2]", mQueue.toString());
         mQueue.remove(mElement4);
-        assertEquals("remove element4 again", 3, mQueue.size());
-        assertEquals("after removing element4 again", "[1 3 2]", mQueue.toString());
+        assertEquals(3, mQueue.size());
+        assertEquals("[1 3 2]", mQueue.toString());
         mQueue.remove(mElement1);
-        assertEquals("remove element1", 2, mQueue.size());
-        assertEquals("after removing element4", "[3 2]", mQueue.toString());
+        assertEquals(2, mQueue.size());
+        assertEquals("[3 2]", mQueue.toString());
         mQueue.add(mElement1);
-        assertEquals("add element1", 3, mQueue.size());
-        assertEquals("after adding element1", "[3 2 1]", mQueue.toString());
+        assertEquals(3, mQueue.size());
+        assertEquals("[3 2 1]", mQueue.toString());
         mQueue.remove(mElement3);
-        assertEquals("remove element3", 2, mQueue.size());
-        assertEquals("after removing element3", "[2 1]", mQueue.toString());
+        assertEquals(2, mQueue.size());
+        assertEquals("[2 1]", mQueue.toString());
         mQueue.remove(mElement1);
-        assertEquals("remove element1 again", 1, mQueue.size());
-        assertEquals("after removing element1 again", "[2]", mQueue.toString());
+        assertEquals(1, mQueue.size());
+        assertEquals("[2]", mQueue.toString());
 
-        assertEquals("after remove element1",
-                Element.NOT_HAPPENED, mElement1.mPhantomUpEventTime);
-        assertEquals("after remove element2",
-                Element.NOT_HAPPENED, mElement2.mPhantomUpEventTime);
-        assertEquals("after remove element3",
-                Element.NOT_HAPPENED, mElement3.mPhantomUpEventTime);
-        assertEquals("after remove element4",
-                Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement1.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement2.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement3.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
     }
 
     public void testReleaseAllPointers() {
@@ -176,20 +168,33 @@
         final long eventTime = 123;
         Element.sPhantomUpCount = 0;
         mQueue.releaseAllPointers(eventTime);
-        assertEquals("after releaseAllPointers", 4, Element.sPhantomUpCount);
-        assertEquals("after releaseAllPointers", 0, mQueue.size());
-        assertEquals("after releaseAllPointers", "[]", mQueue.toString());
-        assertEquals("after releaseAllPointers element1",
-                eventTime + 1, mElement1.mPhantomUpEventTime);
-        assertEquals("after releaseAllPointers element2",
-                eventTime + 2, mElement2.mPhantomUpEventTime);
-        assertEquals("after releaseAllPointers element3",
-                eventTime + 3, mElement3.mPhantomUpEventTime);
-        assertEquals("after releaseAllPointers element4",
-                eventTime + 4, mElement4.mPhantomUpEventTime);
+        assertEquals(4, Element.sPhantomUpCount);
+        assertEquals(0, mQueue.size());
+        assertEquals("[]", mQueue.toString());
+        assertEquals(eventTime + 1, mElement1.mPhantomUpEventTime);
+        assertEquals(eventTime + 2, mElement2.mPhantomUpEventTime);
+        assertEquals(eventTime + 3, mElement3.mPhantomUpEventTime);
+        assertEquals(eventTime + 4, mElement4.mPhantomUpEventTime);
     }
 
-    public void testReleaseAllPointersOlderThan() {
+    public void testReleaseAllPointersOlderThanFirst() {
+        mElement2.mIsModifier = true;
+        mQueue.add(mElement1);
+        mQueue.add(mElement2);
+        mQueue.add(mElement3);
+
+        final long eventTime = 123;
+        Element.sPhantomUpCount = 0;
+        mQueue.releaseAllPointersOlderThan(mElement1, eventTime);
+        assertEquals(0, Element.sPhantomUpCount);
+        assertEquals(3, mQueue.size());
+        assertEquals("[1 2 3]", mQueue.toString());
+        assertEquals(Element.NOT_HAPPENED, mElement1.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement2.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement3.mPhantomUpEventTime);
+    }
+
+    public void testReleaseAllPointersOlderThanLast() {
         mElement2.mIsModifier = true;
         mQueue.add(mElement1);
         mQueue.add(mElement2);
@@ -199,20 +204,34 @@
         final long eventTime = 123;
         Element.sPhantomUpCount = 0;
         mQueue.releaseAllPointersOlderThan(mElement4, eventTime);
-        assertEquals("after releaseAllPointersOlderThan", 2, Element.sPhantomUpCount);
-        assertEquals("after releaseAllPointersOlderThan", 2, mQueue.size());
-        assertEquals("after releaseAllPointersOlderThan", "[2 4]", mQueue.toString());
-        assertEquals("after releaseAllPointersOlderThan element1",
-                eventTime + 1, mElement1.mPhantomUpEventTime);
-        assertEquals("after releaseAllPointersOlderThan element2",
-                Element.NOT_HAPPENED, mElement2.mPhantomUpEventTime);
-        assertEquals("after releaseAllPointersOlderThan element3",
-                eventTime + 2, mElement3.mPhantomUpEventTime);
-        assertEquals("after releaseAllPointersOlderThan element4",
-                Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
+        assertEquals(2, Element.sPhantomUpCount);
+        assertEquals(2, mQueue.size());
+        assertEquals("[2 4]", mQueue.toString());
+        assertEquals(eventTime + 1, mElement1.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement2.mPhantomUpEventTime);
+        assertEquals(eventTime + 2, mElement3.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
     }
 
-    public void testReleaseAllPointersOlderThanWithoutModifier() {
+    public void testReleaseAllPointersOlderThanWithoutModifierMiddle() {
+        mQueue.add(mElement1);
+        mQueue.add(mElement2);
+        mQueue.add(mElement3);
+        mQueue.add(mElement4);
+
+        final long eventTime = 123;
+        Element.sPhantomUpCount = 0;
+        mQueue.releaseAllPointersOlderThan(mElement3, eventTime);
+        assertEquals(2, Element.sPhantomUpCount);
+        assertEquals(2, mQueue.size());
+        assertEquals("[3 4]", mQueue.toString());
+        assertEquals(eventTime + 1, mElement1.mPhantomUpEventTime);
+        assertEquals(eventTime + 2, mElement2.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement3.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
+    }
+
+    public void testReleaseAllPointersOlderThanWithoutModifierLast() {
         mQueue.add(mElement1);
         mQueue.add(mElement2);
         mQueue.add(mElement3);
@@ -221,19 +240,13 @@
         final long eventTime = 123;
         Element.sPhantomUpCount = 0;
         mQueue.releaseAllPointersOlderThan(mElement4, eventTime);
-        assertEquals("after releaseAllPointersOlderThan without modifier",
-                3, Element.sPhantomUpCount);
-        assertEquals("after releaseAllPointersOlderThan without modifier", 1, mQueue.size());
-        assertEquals("after releaseAllPointersOlderThan without modifier",
-                "[4]", mQueue.toString());
-        assertEquals("after releaseAllPointersOlderThan without modifier element1",
-                eventTime + 1, mElement1.mPhantomUpEventTime);
-        assertEquals("after releaseAllPointersOlderThan without modifier element2",
-                eventTime + 2, mElement2.mPhantomUpEventTime);
-        assertEquals("after releaseAllPointersOlderThan without modifier element3",
-                eventTime + 3, mElement3.mPhantomUpEventTime);
-        assertEquals("after releaseAllPointersOlderThan without modifier element4",
-                Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
+        assertEquals(3, Element.sPhantomUpCount);
+        assertEquals(1, mQueue.size());
+        assertEquals("[4]", mQueue.toString());
+        assertEquals(eventTime + 1, mElement1.mPhantomUpEventTime);
+        assertEquals(eventTime + 2, mElement2.mPhantomUpEventTime);
+        assertEquals(eventTime + 3, mElement3.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
     }
 
     public void testReleaseAllPointersExcept() {
@@ -246,17 +259,13 @@
         final long eventTime = 123;
         Element.sPhantomUpCount = 0;
         mQueue.releaseAllPointersExcept(mElement3, eventTime);
-        assertEquals("after releaseAllPointersExcept", 3, Element.sPhantomUpCount);
-        assertEquals("after releaseAllPointersExcept", 1, mQueue.size());
-        assertEquals("after releaseAllPointersExcept", "[3]", mQueue.toString());
-        assertEquals("after releaseAllPointersExcept element1",
-                eventTime + 1, mElement1.mPhantomUpEventTime);
-        assertEquals("after releaseAllPointersExcept element2",
-                eventTime + 2, mElement2.mPhantomUpEventTime);
-        assertEquals("after releaseAllPointersExcept element3",
-                Element.NOT_HAPPENED, mElement3.mPhantomUpEventTime);
-        assertEquals("after releaseAllPointersExcept element4",
-                eventTime + 3, mElement4.mPhantomUpEventTime);
+        assertEquals(3, Element.sPhantomUpCount);
+        assertEquals(1, mQueue.size());
+        assertEquals("[3]", mQueue.toString());
+        assertEquals(eventTime + 1, mElement1.mPhantomUpEventTime);
+        assertEquals(eventTime + 2, mElement2.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement3.mPhantomUpEventTime);
+        assertEquals(eventTime + 3, mElement4.mPhantomUpEventTime);
     }
 
     public void testHasModifierKeyOlderThan() {
@@ -268,54 +277,46 @@
         mQueue.add(mElement3);
         mQueue.add(mElement4);
 
-        assertFalse("hasModifierKeyOlderThan element1", mQueue.hasModifierKeyOlderThan(mElement1));
-        assertFalse("hasModifierKeyOlderThan element2", mQueue.hasModifierKeyOlderThan(mElement2));
-        assertFalse("hasModifierKeyOlderThan element3", mQueue.hasModifierKeyOlderThan(mElement3));
-        assertFalse("hasModifierKeyOlderThan element4", mQueue.hasModifierKeyOlderThan(mElement4));
+        assertFalse(mQueue.hasModifierKeyOlderThan(mElement1));
+        assertFalse(mQueue.hasModifierKeyOlderThan(mElement2));
+        assertFalse(mQueue.hasModifierKeyOlderThan(mElement3));
+        assertFalse(mQueue.hasModifierKeyOlderThan(mElement4));
 
         mElement2.mIsModifier = true;
-        assertFalse("hasModifierKeyOlderThan element1", mQueue.hasModifierKeyOlderThan(mElement1));
-        assertFalse("hasModifierKeyOlderThan element2", mQueue.hasModifierKeyOlderThan(mElement2));
-        assertTrue("hasModifierKeyOlderThan element3", mQueue.hasModifierKeyOlderThan(mElement3));
-        assertTrue("hasModifierKeyOlderThan element4", mQueue.hasModifierKeyOlderThan(mElement4));
+        assertFalse(mQueue.hasModifierKeyOlderThan(mElement1));
+        assertFalse(mQueue.hasModifierKeyOlderThan(mElement2));
+        assertTrue(mQueue.hasModifierKeyOlderThan(mElement3));
+        assertTrue(mQueue.hasModifierKeyOlderThan(mElement4));
 
-        assertEquals("after hasModifierKeyOlderThan", 0, Element.sPhantomUpCount);
-        assertEquals("after hasModifierKeyOlderThan", 4, mQueue.size());
-        assertEquals("after hasModifierKeyOlderThan", "[1 2 3 4]", mQueue.toString());
-        assertEquals("after hasModifierKeyOlderThan element1",
-                Element.NOT_HAPPENED, mElement1.mPhantomUpEventTime);
-        assertEquals("after hasModifierKeyOlderThan element2",
-                Element.NOT_HAPPENED, mElement2.mPhantomUpEventTime);
-        assertEquals("after hasModifierKeyOlderThan element3",
-                Element.NOT_HAPPENED, mElement3.mPhantomUpEventTime);
-        assertEquals("after hasModifierKeyOlderThan element4",
-                Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
+        assertEquals(0, Element.sPhantomUpCount);
+        assertEquals(4, mQueue.size());
+        assertEquals("[1 2 3 4]", mQueue.toString());
+        assertEquals(Element.NOT_HAPPENED, mElement1.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement2.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement3.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
     }
 
     public void testIsAnyInSlidingKeyInput() {
         Element.sPhantomUpCount = 0;
-        assertFalse("isAnyInSlidingKeyInput empty", mQueue.isAnyInSlidingKeyInput());
+        assertFalse(mQueue.isAnyInSlidingKeyInput());
 
         mQueue.add(mElement1);
         mQueue.add(mElement2);
         mQueue.add(mElement3);
         mQueue.add(mElement4);
 
-        assertFalse("isAnyInSlidingKeyInput element1", mQueue.isAnyInSlidingKeyInput());
+        assertFalse(mQueue.isAnyInSlidingKeyInput());
 
         mElement3.mIsInSlidingKeyInput = true;
-        assertTrue("isAnyInSlidingKeyInput element1", mQueue.isAnyInSlidingKeyInput());
+        assertTrue(mQueue.isAnyInSlidingKeyInput());
 
-        assertEquals("after isAnyInSlidingKeyInput", 0, Element.sPhantomUpCount);
-        assertEquals("after isAnyInSlidingKeyInput", 4, mQueue.size());
-        assertEquals("after isAnyInSlidingKeyInput", "[1 2 3 4]", mQueue.toString());
-        assertEquals("after isAnyInSlidingKeyInput element1",
-                Element.NOT_HAPPENED, mElement1.mPhantomUpEventTime);
-        assertEquals("after isAnyInSlidingKeyInput element2",
-                Element.NOT_HAPPENED, mElement2.mPhantomUpEventTime);
-        assertEquals("after isAnyInSlidingKeyInput element3",
-                Element.NOT_HAPPENED, mElement3.mPhantomUpEventTime);
-        assertEquals("after isAnyInSlidingKeyInput element4",
-                Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
+        assertEquals(0, Element.sPhantomUpCount);
+        assertEquals(4, mQueue.size());
+        assertEquals("[1 2 3 4]", mQueue.toString());
+        assertEquals(Element.NOT_HAPPENED, mElement1.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement2.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement3.mPhantomUpEventTime);
+        assertEquals(Element.NOT_HAPPENED, mElement4.mPhantomUpEventTime);
     }
 }