improve unit tests

Author: iamacarpet

ext/opcache/tests/gh16551_001.phpt

@@ -0,0 +1,133 @@
+--TEST--
+GH-16551: Behavior with opcache.file_cache_only=1
+--SKIPIF--
+<?php
+if (!extension_loaded('Zend OPcache')) die('skip Zend OPcache extension not available');
+
+// Ensure the cache directory exists BEFORE OPcache needs it
+$cacheDir = __DIR__ . '/gh16551_fileonly_cache';
+if (!is_dir($cacheDir)) {
+    @mkdir($cacheDir, 0777, true);
+}
+// Check if mkdir failed potentially due to permissions
+if (!is_dir($cacheDir) || !is_writable($cacheDir)) {
+    die('skip Could not create or write to cache directory: ' . $cacheDir);
+}
+?>
+--INI--
+opcache.enable=1
+opcache.enable_cli=1
+opcache.jit=disable
+opcache.jit_buffer_size=0
+opcache.file_cache="{PWD}/gh16551_fileonly_cache"
+opcache.file_cache_only=1
+opcache.validate_timestamps=1
+--EXTENSIONS--
+opcache
+--FILE--
+<?php
+$file = __DIR__ . '/gh16551_998.inc';
+$uncached_file = __DIR__ . '/gh16551_999.inc';
+$cacheDir = __DIR__ . '/gh16551_fileonly_cache';
+
+echo "Initial state (file_cache_only mode):\n";
+// SHM is always false, File Cache might be true in Pass 2
+var_dump(opcache_is_script_cached($file));
+var_dump(opcache_is_script_cached_in_file_cache($file));
+
+echo "\nAttempting opcache_compile_file():\n";
+opcache_compile_file($file);
+
+echo "\nState after compile attempt:\n";
+// SHM remains false, File Cache becomes true
+var_dump(opcache_is_script_cached($file));
+var_dump(opcache_is_script_cached_in_file_cache($file));
+
+// Check file existence via glob
+echo "\nChecking file system for compiled file:\n";
+if (substr(PHP_OS, 0, 3) === 'WIN') {
+    $sanitizedDir = str_replace(':', '', __DIR__);
+    $pattern = $cacheDir . DIRECTORY_SEPARATOR . '*' . DIRECTORY_SEPARATOR . '*' . DIRECTORY_SEPARATOR . $sanitizedDir . DIRECTORY_SEPARATOR . 'gh16551_998.inc.bin';
+} else {
+    $pattern = $cacheDir . DIRECTORY_SEPARATOR . '*' . DIRECTORY_SEPARATOR . __DIR__ . DIRECTORY_SEPARATOR . 'gh16551_998.inc.bin';
+}
+$found = glob($pattern);
+var_dump(count($found) > 0); // Expect true after compile
+
+echo "\nAttempting require:\n";
+require $file; // Outputs 9, should execute from file cache
+
+echo "\nState after require:\n";
+// State remains unchanged
+var_dump(opcache_is_script_cached($file));
+var_dump(opcache_is_script_cached_in_file_cache($file));
+
+echo "\nChecking uncached file initial state:\n";
+// SHM false, File Cache might be true in Pass 2 for this file too
+var_dump(opcache_is_script_cached($uncached_file));
+var_dump(opcache_is_script_cached_in_file_cache($uncached_file));
+
+echo "\nRequiring uncached file:\n";
+require $uncached_file; // Outputs 8, should compile to file cache now
+
+echo "\nState after requiring uncached file:\n";
+// SHM remains false, File cache becomes true for this file
+var_dump(opcache_is_script_cached($uncached_file));
+var_dump(opcache_is_script_cached_in_file_cache($uncached_file));
+
+?>
+--CLEAN--
+<?php
+$baseCacheDir = __DIR__ . '/gh16551_fileonly_cache';
+
+function removeDirRecursive($dir) {
+    if (!is_dir($dir)) return;
+    try {
+        $iterator = new RecursiveIteratorIterator(
+            new RecursiveDirectoryIterator($dir, RecursiveDirectoryIterator::SKIP_DOTS),
+            RecursiveIteratorIterator::CHILD_FIRST
+        );
+        foreach ($iterator as $fileinfo) {
+            if ($fileinfo->isDir()) {
+                @rmdir($fileinfo->getRealPath());
+            } else {
+                @unlink($fileinfo->getRealPath());
+            }
+        }
+        @rmdir($dir);
+    } catch (UnexpectedValueException $e) { @rmdir($dir); } catch (Exception $e) { @rmdir($dir); }
+}
+
+removeDirRecursive($baseCacheDir);
+?>
+--EXPECTF--
+Initial state (file_cache_only mode):
+bool(false)
+bool(%s)
+
+Attempting opcache_compile_file():
+
+State after compile attempt:
+bool(false)
+bool(true)
+
+Checking file system for compiled file:
+bool(true)
+
+Attempting require:
+9
+
+State after require:
+bool(false)
+bool(true)
+
+Checking uncached file initial state:
+bool(false)
+bool(%s)
+
+Requiring uncached file:
+8
+
+State after requiring uncached file:
+bool(false)
+bool(true)