1 files changed, 25 insertions, 0 deletions
diff --git a/ext/zlib/tests/dictionary_usage.phpt b/ext/zlib/tests/dictionary_usage.phpt
new file mode 100644
index 0000000000..b73cd52d25
--- /dev/null
+++ b/ext/zlib/tests/dictionary_usage.phpt
@@ -0,0 +1,25 @@
+--TEST--
+Test dictionary usage on zlib methods
+--FILE--
+<?php
+
+$dict = range("a", "z");
+
+$r = deflate_init(ZLIB_ENCODING_DEFLATE, ["dictionary" => $dict]);
+$a = deflate_add($r, "abdcde", ZLIB_FINISH);
+var_dump($a);
+
+$r = inflate_init(ZLIB_ENCODING_DEFLATE, ["dictionary" => $dict]);
+var_dump(inflate_add($r, $a, ZLIB_FINISH));
+
+
+$r = inflate_init(ZLIB_ENCODING_DEFLATE, ["dictionary" => ["8"] + range("a", "z")]);
+var_dump(inflate_add($r, $a, ZLIB_FINISH));
+
+?>
+--EXPECTF--
+string(%d) "%s"
+string(6) "abdcde"
+
+Warning: inflate_add(): dictionary does match expected dictionary (incorrect adler32 hash) in %s on line %d
+bool(false)