| diff --git a/lucene/sandbox/src/java/org/apache/lucene/document/InetAddressPoint.java b/lucene/sandbox/src/java/org/apache/lucene/document/InetAddressPoint.java |
| index 7ebabab..a445f23 100644 |
| --- a/lucene/sandbox/src/java/org/apache/lucene/document/InetAddressPoint.java |
| +++ b/lucene/sandbox/src/java/org/apache/lucene/document/InetAddressPoint.java |
| @@ -174,8 +174,9 @@ public class InetAddressPoint extends Field { |
| byte lower[] = value.getAddress(); |
| byte upper[] = value.getAddress(); |
| for (int i = prefixLength; i < 8 * lower.length; i++) { |
| - lower[i >> 3] &= ~(1 << (i & 7)); |
| - upper[i >> 3] |= 1 << (i & 7); |
| + int m = 1 << (7 - (i & 7)); |
| + lower[i >> 3] &= ~m; |
| + upper[i >> 3] |= m; |
| } |
| try { |
| return newRangeQuery(field, InetAddress.getByAddress(lower), InetAddress.getByAddress(upper)); |
| diff --git a/lucene/sandbox/src/test/org/apache/lucene/document/TestInetAddressPoint.java b/lucene/sandbox/src/test/org/apache/lucene/document/TestInetAddressPoint.java |
| index 673ee29..0e30c18 100644 |
| --- a/lucene/sandbox/src/test/org/apache/lucene/document/TestInetAddressPoint.java |
| +++ b/lucene/sandbox/src/test/org/apache/lucene/document/TestInetAddressPoint.java |
| @@ -119,4 +119,16 @@ public class TestInetAddressPoint extends LuceneTestCase { |
| assertEquals(q1.hashCode(), q2.hashCode()); |
| assertFalse(q1.equals(InetAddressPoint.newSetQuery("a", InetAddress.getByName("1.2.3.3"), InetAddress.getByName("1.2.3.7")))); |
| } |
| + |
| + public void testPrefixQuery() throws Exception { |
| + assertEquals( |
| + InetAddressPoint.newRangeQuery("a", InetAddress.getByName("1.2.3.0"), InetAddress.getByName("1.2.3.255")), |
| + InetAddressPoint.newPrefixQuery("a", InetAddress.getByName("1.2.3.127"), 24)); |
| + assertEquals( |
| + InetAddressPoint.newRangeQuery("a", InetAddress.getByName("1.2.3.128"), InetAddress.getByName("1.2.3.255")), |
| + InetAddressPoint.newPrefixQuery("a", InetAddress.getByName("1.2.3.213"), 25)); |
| + assertEquals( |
| + InetAddressPoint.newRangeQuery("a", InetAddress.getByName("2001::a000:0"), InetAddress.getByName("2001::afff:ffff")), |
| + InetAddressPoint.newPrefixQuery("a", InetAddress.getByName("2001::a6bd:fc80"), 100)); |
| + } |
| } |
