Fix GH-17770 test file_cache path handling on Windows

Author: gregharmon

ext/opcache/tests/gh17770_jit_file_cache_write.phpt

@@ -1,23 +1,21 @@
 --TEST--
 GH-17770: opcache.file_cache writes with JIT enabled
+--SKIPIF--
+<?php
+@mkdir(__DIR__ . '/gh17770_cache', 0777, true);
+if (ini_get('opcache.jit') === false) {
+    die('skip JIT is not supported');
+}
+?>
 --EXTENSIONS--
 opcache
 --INI--
 opcache.enable=1
 opcache.enable_cli=1
 opcache.jit=tracing
 opcache.jit_buffer_size=16M
-opcache.file_cache={TMP}/gh17770-opcache-file-cache
+opcache.file_cache="{PWD}/gh17770_cache"
 opcache.file_cache_consistency_checks=0
---SKIPIF--
-<?php
-if (!@mkdir(sys_get_temp_dir() . '/gh17770-opcache-file-cache', 0777, true) && !is_dir(sys_get_temp_dir() . '/gh17770-opcache-file-cache')) {
-    die('skip unable to create file cache directory');
-}
-if (ini_get('opcache.jit') === false) {
-    die('skip JIT is not supported');
-}
-?>
 --FILE--
 <?php
 function removeDirRecursive(string $dir): void {
@@ -45,22 +43,13 @@ $cacheDir = ini_get('opcache.file_cache');
 removeDirRecursive($cacheDir);
 @mkdir($cacheDir, 0777, true);
 
-$tmpPhpFile = dirname($cacheDir) . '/gh17770-opcache-target.php';
+$tmpPhpFile = __DIR__ . '/gh17770-opcache-target.php';
 file_put_contents($tmpPhpFile, "<?php\nfunction gh17770() { return 42; }\ngh17770();\n");
 
 @opcache_reset();
 opcache_compile_file($tmpPhpFile);
 
-$hasCacheFile = false;
-$iterator = new RecursiveIteratorIterator(
-    new RecursiveDirectoryIterator($cacheDir, RecursiveDirectoryIterator::SKIP_DOTS)
-);
-foreach ($iterator as $entry) {
-    if ($entry->isFile()) {
-        $hasCacheFile = true;
-        break;
-    }
-}
+$hasCacheFile = opcache_is_script_cached_in_file_cache($tmpPhpFile);
 
 echo $hasCacheFile ? "OK\n" : "FAIL: opcache file cache is empty\n";
 ?>
@@ -87,9 +76,8 @@ function removeDirRecursive(string $dir): void {
     @rmdir($dir);
 }
 
-$cacheDir = ini_get('opcache.file_cache');
-removeDirRecursive($cacheDir);
-@unlink(dirname($cacheDir) . '/gh17770-opcache-target.php');
+removeDirRecursive(__DIR__ . '/gh17770_cache');
+@unlink(__DIR__ . '/gh17770-opcache-target.php');
 ?>
 --EXPECT--
 OK