Ticket #24208: 24208.diff

tests/cache.php

@@ -275 +275 @@
                 $this->cache->switch_to_blog( get_current_blog_id() );
                 $this->assertEquals( $val2, $this->cache->get( $key, 'global-cache-test' ) );
         }
+
+        function test_wp_cache_init() {
+                $new_blank_cache_object = new WP_Object_Cache();
+                wp_cache_init();
+
+                global $wp_object_cache;
+                $this->assertEquals( $new_blank_cache_object, $wp_object_cache );
+        }
+
+        function test_wp_cache_replace() {
+                $key  = 'my-key';
+                $val1 = 'first-val';
+                $val2 = 'second-val';
+
+                $fake_key = 'my-fake-key';
+
+                // Save the first value to cache and verify
+                wp_cache_set( $key, $val1 );
+                $this->assertEquals( wp_cache_get( $key ), $val1 );
+
+                // Replace the value and verify
+                wp_cache_replace( $key, $val2 );
+                $this->assertEquals( wp_cache_get( $key ), $val2 );
+
+                // Non-existant key should fail
+                $this->assertFalse( wp_cache_replace( $fake_key, $val1 ) );
+
+                // Make sure $fake_key is not stored
+                $this->assertFalse( wp_cache_get( $fake_key ) );
+        }
 }