From f019275be7d960060c682c69d462832fd53e02f2 Mon Sep 17 00:00:00 2001
From: David Rothstein <drothstein@gmail.com>
Date: Mon, 5 Aug 2013 01:36:56 -0400
Subject: Issue #238250 by markpavlitski | Xano: Fixed cache_clear_all()('*',
 'block', TRUE); will TRUNCATE the {block} table without additional checks.

---
 modules/simpletest/tests/cache.test | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'modules/simpletest/tests')

diff --git a/modules/simpletest/tests/cache.test b/modules/simpletest/tests/cache.test
index 997f37aef..b42de360b 100644
--- a/modules/simpletest/tests/cache.test
+++ b/modules/simpletest/tests/cache.test
@@ -340,6 +340,30 @@ class CacheClearCase extends CacheTestCase {
     }
   }
 
+  /**
+   * Test DrupalDatabaseCache::isValidBin().
+   */
+  function testIsValidBin() {
+    // Retrieve existing cache bins.
+    $valid_bins = array('cache', 'cache_filter', 'cache_page', 'cache_boostrap', 'cache_path');
+    $valid_bins = array_merge(module_invoke_all('flush_caches'), $valid_bins);
+    foreach ($valid_bins as $id => $bin) {
+      $cache = _cache_get_object($bin);
+      if ($cache instanceof DrupalDatabaseCache) {
+        $this->assertTrue($cache->isValidBin(), format_string('Cache bin @bin is valid.', array('@bin' => $bin)));
+      }
+    }
+
+    // Check for non-cache tables and invalid bins.
+    $invalid_bins = array('block', 'filter', 'missing_table', $this->randomName());
+    foreach ($invalid_bins as $id => $bin) {
+      $cache = _cache_get_object($bin);
+      if ($cache instanceof DrupalDatabaseCache) {
+        $this->assertFalse($cache->isValidBin(), format_string('Cache bin @bin is not valid.', array('@bin' => $bin)));
+      }
+    }
+  }
+
   /**
    * Test minimum cache lifetime.
    */
-- 
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