(commons-compress) branch master updated: Add ZipEightByteIntegerTest.testBIFromMaxValue()

[ggregory]

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ggregory pushed a commit to branch master
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The following commit(s) were added to refs/heads/master by this push:
     new e6aa2f48a Add ZipEightByteIntegerTest.testBIFromMaxValue()
     new 0f0ac4afc Merge branch 'master' of 
https://gitbox.apache.org/repos/asf/commons-compress.git
e6aa2f48a is described below

commit e6aa2f48acfc399d7b2b260afc947a34fd35c3e4
Author: Gary Gregory <garydgreg...@gmail.com>
AuthorDate: Tue Nov 26 08:10:12 2024 -0500

    Add ZipEightByteIntegerTest.testBIFromMaxValue()
---
 .../compress/archivers/zip/ZipEightByteIntegerTest.java      | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git 
a/src/test/java/org/apache/commons/compress/archivers/zip/ZipEightByteIntegerTest.java
 
b/src/test/java/org/apache/commons/compress/archivers/zip/ZipEightByteIntegerTest.java
index 7c742c68b..5f4992cf6 100644
--- 
a/src/test/java/org/apache/commons/compress/archivers/zip/ZipEightByteIntegerTest.java
+++ 
b/src/test/java/org/apache/commons/compress/archivers/zip/ZipEightByteIntegerTest.java
@@ -39,6 +39,18 @@ public class ZipEightByteIntegerTest {
         assertEquals(BigInteger.valueOf(Long.MAX_VALUE).shiftLeft(1), 
zl.getValue(), "value from bytes");
     }
 
+    /**
+     * Test conversion from max value.
+     */
+    @Test
+    public void testBIFromMaxValue() {
+        // https://pkware.cachefly.net/webdocs/casestudies/APPNOTE.TXT
+        // 4.4.1.1 All fields unless otherwise noted are unsigned and stored 
in Intel low-byte:high-byte, low-word:high-word order.
+        final ZipEightByteInteger zipEightByteInteger = new 
ZipEightByteInteger(
+                new byte[] { (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 
0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF, (byte) 0xFF });
+        assertEquals("18446744073709551615", 
zipEightByteInteger.getValue().toString());
+    }
+
     /**
      * Test conversion to bytes.
      */