Import SQLite 3.10.2.

third_party/sqlite/src/test/mutex1.test

 # 2008 June 17
 #
 # The author disclaims copyright to this source code.  In place of
 # a legal notice, here is a blessing:
 #
 #    May you do good and not evil.
 #    May you find forgiveness for yourself and forgive others.
 #    May you share freely, never taking more than you give.
 #
 #***********************************************************************
@@ skipping 19 matching lines @@
   upvar $varname var
   set var(total) 0
   foreach {name value} [read_mutex_counters] {
     set var($name) $value
     incr var(total) $value
   }
 }
 
 #-------------------------------------------------------------------------
 # Tests mutex1-1.* test that sqlite3_config() returns SQLITE_MISUSE if
-# is called at the wrong time. And that the first time sqlite3_initialize 
+# is called at the wrong time. And that the first time sqlite3_initialize
 # is called it obtains the 'static_master' mutex 3 times and a recursive
-# mutex (sqlite3Config.pInitMutex) twice. Subsequent calls are no-ops 
+# mutex (sqlite3Config.pInitMutex) twice. Subsequent calls are no-ops
 # that do not require any mutexes.
 #
 do_test mutex1-1.0 {
   install_mutex_counters 1
 } {SQLITE_MISUSE}
 
 do_test mutex1-1.1 {
   db close
   install_mutex_counters 1
 } {SQLITE_MISUSE}
@@ skipping 42 matching lines @@
 #
 #   * Serialized mode,
 #   * Multi-threaded mode,
 #   * Single-threaded mode.
 #
 ifcapable threadsafe&&shared_cache {
   set enable_shared_cache [sqlite3_enable_shared_cache 1]
   foreach {mode mutexes} {
     singlethread {}
     multithread  {
-      fast static_lru static_master static_mem static_open static_prng 
-      static_pmem
+      fast static_app1 static_app2 static_app3
+      static_lru static_master static_mem static_open
+      static_prng static_pmem static_vfs1 static_vfs2
+      static_vfs3
     }
     serialized  {
-      fast recursive static_lru static_master static_mem static_open 
-      static_prng static_pmem
+      fast recursive static_app1 static_app2
+      static_app3 static_lru static_master static_mem
+      static_open static_prng static_pmem static_vfs1
+      static_vfs2 static_vfs3
     }
   } {
 
     do_test mutex1.2.$mode.1 {
       catch {db close}
       sqlite3_shutdown
       sqlite3_config $mode
     } SQLITE_OK
 
     do_test mutex1.2.$mode.2 {
       sqlite3_initialize
       clear_mutex_counters
       sqlite3 db test.db -nomutex 0 -fullmutex 0
       catchsql { CREATE TABLE abc(a, b, c) }
       db eval {
         INSERT INTO abc VALUES(1, 2, 3);
       }
     } {}
     ifcapable !memorymanage {
       regsub { static_lru} $mutexes {} mutexes
     }
-    do_test mutex1.2.$mode.3 {
+    if {$mode ne "singlethread"} {
+      do_test mutex1.2.$mode.3 {
+        #
+        # NOTE: Make sure all the app and vfs mutexes get used.
+        #
+        enter_static_mutex static_app1
+        leave_static_mutex static_app1
+        enter_static_mutex static_app2
+        leave_static_mutex static_app2
+        enter_static_mutex static_app3
+        leave_static_mutex static_app3
+        enter_static_mutex static_vfs1
+        leave_static_mutex static_vfs1
+        enter_static_mutex static_vfs2
+        leave_static_mutex static_vfs2
+        enter_static_mutex static_vfs3
+        leave_static_mutex static_vfs3
+      } {}
+    }
+    do_test mutex1.2.$mode.4 {
       mutex_counters counters
-  
+
       set res [list]
       foreach {key value} [array get counters] {
         if {$key ne "total" && $value > 0} {
           lappend res $key
         }
       }
       lsort $res
     } [lsort $mutexes]
   }
   sqlite3_enable_shared_cache $enable_shared_cache
@@ skipping 38 matching lines @@
 do_test mutex1-X {
   catch {db close}
   sqlite3_shutdown
   clear_mutex_counters
   install_mutex_counters 0
   sqlite3_initialize
 } {SQLITE_OK}
 
 autoinstall_test_functions
 finish_test