From 0e6241610116ddaeb5f6be4632412ddca2296d9f Mon Sep 17 00:00:00 2001
From: Daniel Lowrey <rdlowrey@php.net>
Date: Thu, 23 Apr 2015 23:10:44 -0600
Subject: [PATCH] Add inflate_*() test cases

---
 ext/zlib/tests/inflate_add_basic.phpt  | 73 ++++++++++++++++++++++++++
 ext/zlib/tests/inflate_add_error.phpt  | 23 ++++++++
 ext/zlib/tests/inflate_init_error.phpt | 20 +++++++
 ext/zlib/tests/inflate_init_reuse.phpt | 32 +++++++++++
 4 files changed, 148 insertions(+)
 create mode 100644 ext/zlib/tests/inflate_add_basic.phpt
 create mode 100644 ext/zlib/tests/inflate_add_error.phpt
 create mode 100644 ext/zlib/tests/inflate_init_error.phpt
 create mode 100644 ext/zlib/tests/inflate_init_reuse.phpt

diff --git a/ext/zlib/tests/inflate_add_basic.phpt b/ext/zlib/tests/inflate_add_basic.phpt
new file mode 100644
index 0000000000..ff0458e9ef
--- /dev/null
+++ b/ext/zlib/tests/inflate_add_basic.phpt
@@ -0,0 +1,73 @@
+--TEST--
+Test incremental inflate_add() functionality
+--SKIPIF--
+<?php
+if (!extension_loaded("zlib")) {
+    print "skip - ZLIB extension not loaded";
+}
+?>
+--FILE--
+<?php
+function inflateStream($mode, $flushSize) {
+    $buffer = "";
+    $inflated = null;
+    $resource = inflate_init($mode);
+
+    while (true) {
+        $dataToInflate = yield $inflated;
+        if (isset($dataToInflate)) {
+            $buffer .= $dataToInflate;
+            if (strlen($buffer) >= $flushSize) {
+                $inflated = inflate_add($resource, $buffer);
+                $buffer = "";
+            } else {
+                $inflated = null;
+            }
+        } else {
+            $inflated = inflate_add($resource, $buffer, ZLIB_FINISH);
+        }
+    }
+}
+
+$modes = [
+    'ZLIB_ENCODING_RAW'     => ZLIB_ENCODING_RAW,
+    'ZLIB_ENCODING_GZIP'    => ZLIB_ENCODING_GZIP,
+    'ZLIB_ENCODING_DEFLATE' => ZLIB_ENCODING_DEFLATE,
+];
+$flushSizes = [1, 4, 32768];
+$flushTypes = [
+    'ZLIB_SYNC_FLUSH' => ZLIB_SYNC_FLUSH,
+    'ZLIB_PARTIAL_FLUSH' => ZLIB_PARTIAL_FLUSH,
+    'ZLIB_FULL_FLUSH' => ZLIB_FULL_FLUSH,
+    'ZLIB_NO_FLUSH' => ZLIB_NO_FLUSH,
+    'ZLIB_BLOCK' => ZLIB_BLOCK,
+];
+
+$uncompressed = "";
+for ($i=0;$i<(32768*2);$i++) {
+    $uncompressed .= chr(rand(48,125));
+}
+
+foreach ($modes as $modeKey => $mode) {
+    $compressed = zlib_encode($uncompressed, $mode);
+    $compressedLen = strlen($compressed);
+    foreach ($flushSizes as $flushSize) {
+        foreach ($flushTypes as $flushTypeKey => $flushType) {
+            $inflated = "";
+            $stream = inflateStream($mode, $flushSize, $flushType);
+            for ($i=0;$i<$compressedLen;$i++) {
+                $inflated .= $stream->send($compressed[$i]);
+            }
+            $inflated .= $stream->send(null);
+            if ($inflated !== $uncompressed) {
+                echo "Error: {$modeKey} | {$flushSize} | {$flushTypeKey}\n";
+            }
+        }
+
+    }
+}
+
+?>
+===DONE===
+--EXPECTF--
+===DONE===
diff --git a/ext/zlib/tests/inflate_add_error.phpt b/ext/zlib/tests/inflate_add_error.phpt
new file mode 100644
index 0000000000..0e1711e0f8
--- /dev/null
+++ b/ext/zlib/tests/inflate_add_error.phpt
@@ -0,0 +1,23 @@
+--TEST--
+Test incremental inflate_add() error functionality
+--SKIPIF--
+<?php 
+if (!extension_loaded("zlib")) {
+    print "skip - ZLIB extension not loaded"; 
+}
+?>
+--FILE--
+<?php
+$badResource = fopen("php://memory", "r+");
+var_dump(inflate_add($badResource, "test"));
+$resource = inflate_init(ZLIB_ENCODING_DEFLATE);
+$badFlushType = 6789;
+var_dump(inflate_add($resource, "test", $badFlushType));
+?>
+--EXPECTF--
+
+Warning: inflate_add(): Invalid zlib.inflate resource in %s on line %d
+bool(false)
+
+Warning: inflate_add(): flush mode must be ZLIB_NO_FLUSH, ZLIB_PARTIAL_FLUSH, ZLIB_SYNC_FLUSH, ZLIB_FULL_FLUSH, ZLIB_BLOCK or ZLIB_FINISH in %s on line %d
+bool(false)
diff --git a/ext/zlib/tests/inflate_init_error.phpt b/ext/zlib/tests/inflate_init_error.phpt
new file mode 100644
index 0000000000..ad1410cab4
--- /dev/null
+++ b/ext/zlib/tests/inflate_init_error.phpt
@@ -0,0 +1,20 @@
+--TEST--
+Test inflate_init() error
+--SKIPIF--
+<?php 
+if (!extension_loaded("zlib")) {
+    print "skip - ZLIB extension not loaded"; 
+}
+?>
+--FILE--
+<?php
+var_dump(inflate_init());
+var_dump(inflate_init(42));
+?>
+--EXPECTF--
+
+Warning: inflate_init() expects exactly 1 parameter, 0 given in %s on line %d
+bool(false)
+
+Warning: inflate_init(): encoding mode must be ZLIB_ENCODING_RAW, ZLIB_ENCODING_GZIP or ZLIB_ENCODING_DEFLATE in %s on line %d
+bool(false)
diff --git a/ext/zlib/tests/inflate_init_reuse.phpt b/ext/zlib/tests/inflate_init_reuse.phpt
new file mode 100644
index 0000000000..a6b8a309c0
--- /dev/null
+++ b/ext/zlib/tests/inflate_init_reuse.phpt
@@ -0,0 +1,32 @@
+--TEST--
+Test incremental inflate_init() context reuse
+--SKIPIF--
+<?php 
+if (!extension_loaded("zlib")) {
+    print "skip - ZLIB extension not loaded"; 
+}
+?>
+--FILE--
+<?php
+$resource = inflate_init(ZLIB_ENCODING_GZIP);
+
+$uncompressed = implode(range("a","z"));
+$compressed = gzencode($uncompressed);
+$inflated = "";
+for ($i=0;$i<strlen($compressed);$i++) {
+    $inflated .= inflate_add($resource, $compressed[$i]);
+}
+$inflated .= inflate_add($resource, "", ZLIB_FINISH);
+assert($inflated === $uncompressed);
+
+// Now reuse the existing resource after finishing the previous operations ...
+$inflated = "";
+for ($i=0;$i<strlen($compressed);$i++) {
+    $inflated .= inflate_add($resource, $compressed[$i]);
+}
+$inflated .= inflate_add($resource, "", ZLIB_FINISH);
+assert($inflated === $uncompressed);
+?>
+===DONE===
+--EXPECTF--
+===DONE===
-- 
2.40.0