1 files changed, 18 insertions, 0 deletions
diff --git a/tests/src/com/android/inputmethod/latin/InputPointersTests.java b/tests/src/com/android/inputmethod/latin/InputPointersTests.java
index 301582979..5095f9606 100644
--- a/tests/src/com/android/inputmethod/latin/InputPointersTests.java
+++ b/tests/src/com/android/inputmethod/latin/InputPointersTests.java
@@ -19,6 +19,8 @@ package com.android.inputmethod.latin;
 import android.test.AndroidTestCase;
 import android.test.suitebuilder.annotation.SmallTest;
 
+import com.android.inputmethod.latin.utils.ResizableIntArray;
+
 import java.util.Arrays;
 
 @SmallTest
@@ -242,4 +244,20 @@ public class InputPointersTests extends AndroidTestCase {
                     expecteds[i + expectedPos], actuals[i + actualPos]);
         }
     }
+
+    public void testShift() {
+        final InputPointers src = new InputPointers(DEFAULT_CAPACITY);
+        final int limit = 100;
+        final int shiftAmount = 20;
+        for (int i = 0; i < limit; i++) {
+            src.addPointer(i, i * 2, i * 3, i * 4);
+        }
+        src.shift(shiftAmount);
+        for (int i = 0; i < limit - shiftAmount; ++i) {
+            assertEquals("xCoordinates at " + i, i + shiftAmount, src.getXCoordinates()[i]);
+            assertEquals("yCoordinates at " + i, (i + shiftAmount) * 2, src.getYCoordinates()[i]);
+            assertEquals("pointerIds at " + i, (i + shiftAmount) * 3, src.getPointerIds()[i]);
+            assertEquals("times at " + i, (i + shiftAmount) * 4, src.getTimes()[i]);
+        }
+    }
 }