test memory leaks

Author: deminy

tests/005_memory_usage.phpt

@@ -12,11 +12,9 @@ $patched_file = __DIR__ . '/005_patched.out';
 file_put_contents($old_file, str_repeat("Hello World", 1997));
 file_put_contents($new_file, str_repeat("Hello PHP", 1999));
 
-$i = 0;
-
 $mem0 = memory_get_usage();
 
-for (; $i <= 100; $i++) {
+for ($i = 0; $i <= 100; $i++) {
     if (file_exists($diff_file)) unlink($diff_file);
     if (file_exists($patched_file)) unlink($patched_file);
 

tests/006_bsdiff_memory_leaks.phpt

@@ -0,0 +1,39 @@
+--TEST--
+Test memory usage
+--EXTENSIONS--
+bsdiff
+--FILE--
+<?php
+$old_file  = __DIR__ . '/006_old.out';
+$new_file  = __DIR__ . '/006_new.out';
+$diff_file = __DIR__ . '/006_diff.out';
+
+foreach ([$old_file, $new_file, $diff_file] as $file) {
+    if (file_exists($file)) unlink($file);
+}
+
+$mem0 = memory_get_usage();
+file_put_contents($old_file, str_repeat("Hello World", 1997));
+try {
+    bsdiff_diff($old_file, $new_file, $diff_file);
+} catch (BsdiffException $e) {
+    unset($e);
+    $mem1 = memory_get_usage();
+    var_dump($mem1 - $mem0);
+}
+
+$mem2 = memory_get_usage();
+file_put_contents($new_file, str_repeat("Hello PHP", 1999));
+touch($diff_file);
+chmod($diff_file, 0444);
+try {
+    bsdiff_diff($old_file, $new_file, $diff_file);
+} catch (BsdiffException $e) {
+    unset($e);
+    $mem3 = memory_get_usage();
+    var_dump($mem3 - $mem2);
+}
+?>
+--EXPECT--
+int(0)
+int(0)

tests/007_bspatch_memory_leaks.phpt

@@ -0,0 +1,32 @@
+--TEST--
+Test memory usage
+--EXTENSIONS--
+bsdiff
+--FILE--
+<?php
+$old_file     = __DIR__ . '/007_old.out';
+$new_file     = __DIR__ . '/007_new.out';
+$diff_file    = __DIR__ . '/007_diff.out';
+$patched_file = __DIR__ . '/007_patched.out';
+
+foreach ([$old_file, $new_file, $diff_file, $patched_file] as $file) {
+    if (file_exists($file)) unlink($file);
+}
+
+file_put_contents($old_file, str_repeat("Hello World", 1997));
+file_put_contents($new_file, str_repeat("Hello PHP", 1999));
+bsdiff_diff($old_file, $new_file, $diff_file);
+
+$mem0 = memory_get_usage();
+touch($patched_file);
+chmod($patched_file, 0444);
+try {
+    bsdiff_patch($old_file, $patched_file, $diff_file);
+} catch (BsdiffException $e) {
+    unset($e);
+    $mem1 = memory_get_usage();
+    var_dump($mem1 - $mem0);
+}
+?>
+--EXPECT--
+int(0)