diff --git a/tests/Reader/StringReaderTest.php b/tests/Reader/StringReaderTest.php
index ecaec5f..90e36f6 100644
--- a/tests/Reader/StringReaderTest.php
+++ b/tests/Reader/StringReaderTest.php
@@ -50,11 +50,21 @@ class StringReaderTest extends TestCase
     public function testMoveToNextToken()
     {
         $this->reader->reset();
+        $oldCurToken = $this->reader->getCurrentToken();
+        $oldNextPos = $this->reader->getNextPosition();
         $this->reader->moveToNextToken();
+        $this->assertNotEquals($oldCurToken, $this->reader->getCurrentPosition(), "CurToken与旧CurToken相同");
+        $this->assertNotEquals($oldNextPos, $this->reader->getNextPosition(), "NextPos与旧NextPos相同");
         $this->assertEquals('This', $this->reader->getCurrentToken(), "不匹配");
         $this->assertEquals(7, $this->reader->getCurrentPosition(), "CurPos与预计不符");
+        $this->assertNotEquals($this->reader->getNextPosition(), $this->reader->getCurrentPosition(), "CurPos与NextPos相同");
+        // CJK Support
         $this->readerWithCn->reset();
+        $oldCurTokenCn = $this->readerWithCn->getCurrentToken();
+        $oldNextPosCn = $this->readerWithCn->getNextPosition();
         $this->readerWithCn->moveToNextToken();
+        $this->assertNotEquals($oldCurTokenCn, $this->readerWithCn->getCurrentPosition(), "CurToken与旧CurToken相同");
+        $this->assertNotEquals($oldNextPosCn, $this->readerWithCn->getNextPosition(), "NextPos与旧NextPos相同");
         $this->assertEquals('这是', $this->readerWithCn->getCurrentToken(), "不匹配");
         $this->assertEquals(5, $this->readerWithCn->getCurrentPosition(), "CurPos与预计不符");
     }
@@ -68,9 +78,11 @@ class StringReaderTest extends TestCase
     {
         $this->reader->reset();
         $curPos = $this->readerWithCn->getCurrentPosition();
+        $nextPos = $this->reader->getNextPosition();
         $string = $this->reader->getNextToken();
         $this->assertEquals($string, $this->reader->getNextToken(), "不匹配");
         $this->assertEquals($this->reader->getNextToken(), $this->reader->getNextToken(), "不匹配");
         $this->assertEquals($curPos, $this->reader->getCurrentPosition(), "CurPos不可以发生变化");
+        $this->assertEquals($nextPos, $this->reader->getNextPosition(), "NextPos不可以发生变化");
     }
 }