Test that the asynchronous backend works with components like "." or ".." in the path to the database file. (CVS 4403)

FossilOrigin-Name: 0a87a854226ccea920484613dd7f7873e673c96e

manifest

@@ -1,5 +1,5 @@
-C Restore\sthe\ssqlite3_mutex_try()\soptimization\son\swinNT\ssystems.\s(CVS\s4402)
-D 2007-09-05T14:30:42
+C Test\sthat\sthe\sasynchronous\sbackend\sworks\swith\scomponents\slike\s"."\sor\s".."\sin\sthe\spath\sto\sthe\sdatabase\sfile.\s(CVS\s4403)
+D 2007-09-05T14:32:25
 F Makefile.in cbfb898945536a8f9ea8b897e1586dd1fdbcc5db
 F Makefile.linux-gcc 65241babba6faf1152bf86574477baab19190499
 F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
@@ -145,7 +145,7 @@ F src/test6.c 0513982dfef4da2a4154b538d2bf538b84ca21d3
 F src/test7.c a9d509d0e9ad214b4772696f49f6e61be26213d1
 F src/test8.c f113aa3723a52113d0fa7c28155ecd37e7e04077
 F src/test9.c b46c8fe02ac7cca1a7316436d8d38d50c66f4b2f
-F src/test_async.c 5d30feff6238f083eb32a55f5c18b036a1a5e40c
+F src/test_async.c 6e30875ed6227a28f61ce5fce6cd6b3571c06133
 F src/test_autoext.c 855157d97aa28cf84233847548bfacda21807436
 F src/test_btree.c c1308ba0b88ab577fa56c9e493a09829dfcded9c
 F src/test_config.c 6fb459214b27952b143f45e35200d94096d54cc6
@@ -182,6 +182,7 @@ F test/altermalloc.test 1f4d2d66750bea1a78cd9f0b7dba5bfb155dd6cf
 F test/analyze.test 2f55535aa335785db1a2f97d3f3831c16c09f8b0
 F test/async.test eca5ea2646ea4adfbfa276fa710238e79eb1d477
 F test/async2.test 75f2d15f4c27189ec3296cf2565ec91834bbed76
+F test/async3.test 60a6e5a8e739a418d3f95f16d3061e54583997ee
 F test/attach.test b849e1baae863c3a6132ff8b9b1baf356ab6c178
 F test/attach2.test 78bc1a25ea8785c7571b44f5947ada2bd5d78127
 F test/attach3.test eafcafb107585aecc2ed1569a77914138eef46a9
@@ -569,7 +570,7 @@ F www/tclsqlite.tcl 8be95ee6dba05eabcd27a9d91331c803f2ce2130
 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
 F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
 F www/whentouse.tcl fc46eae081251c3c181bd79c5faef8195d7991a5
-P 1786e9c881a67fbf8bd014d643590534c8c601dc
-R 13dbaebf3174563b1064b0b1bbb0d310
-U drh
-Z 14476c6d97c0081a9542a49eeb3e06d4
+P 3aace2fa91e96038f7a32366828ac7520470fa67
+R 4773df5025bfb3384ab08322753dc6d8
+U danielk1977
+Z f1ee4a8ff07588869cdd656e05c5eaeb

manifest.uuid

@@ -1 +1 @@
-3aace2fa91e96038f7a32366828ac7520470fa67
+0a87a854226ccea920484613dd7f7873e673c96e

src/test_async.c

@@ -621,13 +621,18 @@ static int getFileLock(AsyncLock *pLock){
         assert(eRequired>=0 && eRequired<=SQLITE_LOCK_EXCLUSIVE);
       }
     }
+
     if( eRequired>pLock->eLock ){
       rc = sqlite3OsLock(pLock->pFile, eRequired);
-    }else if(eRequired<pLock->eLock){
-      rc = sqlite3OsUnlock(pLock->pFile, eRequired);
+      if( rc==SQLITE_OK ){
+        pLock->eLock = eRequired;
+      }
     }
-    if( rc==SQLITE_OK ){
-      pLock->eLock = eRequired;
+    else if( eRequired<pLock->eLock && eRequired<=SQLITE_LOCK_SHARED ){
+      rc = sqlite3OsUnlock(pLock->pFile, eRequired);
+      if( rc==SQLITE_OK ){
+        pLock->eLock = eRequired;
+      }
     }
   }
 
@@ -932,11 +937,11 @@ static int asyncFullPathname(
       /* Replace any occurences of "<path-component>/../" with "" */
       if( iOut>0 && iIn<=(nPathOut-4) 
        && zPathOut[iIn]=='/' && zPathOut[iIn+1]=='.' 
-       && zPathOut[iIn+2]=='.' && zPathOut[iIn+2]=='/'
+       && zPathOut[iIn+2]=='.' && zPathOut[iIn+3]=='/'
       ){
         iIn += 3;
         iOut--;
-        for( ; iOut>0 && zPathOut[iOut]!='/'; iOut--);
+        for( ; iOut>0 && zPathOut[iOut-1]!='/'; iOut--);
         continue;
       }
 

test/async3.test

@@ -0,0 +1,72 @@
+# 2007 September 5
+#
+# 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.
+#
+#***********************************************************************
+#
+# The focus of this file is testing the code in test_async.c.
+# Specifically, it tests that the xFullPathname() method of
+# of the asynchronous vfs works correctly.
+#
+# $Id: async3.test,v 1.1 2007/09/05 14:32:25 danielk1977 Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+if { [info commands sqlite3async_enable]==""  } {
+  # The async logic is not built into this system
+  puts "Skipping async3 tests: not compiled with required features"
+  finish_test
+  return
+}
+
+db close
+sqlite3async_enable 1
+sqlite3async_start
+
+set paths {
+  chocolate/banana/vanilla/file.db
+  chocolate//banana/vanilla/file.db
+  chocolate/./banana//vanilla/file.db
+  chocolate/banana/./vanilla/file.db
+  chocolate/banana/../banana/vanilla/file.db
+  chocolate/banana/./vanilla/extra_bit/../file.db
+}
+
+do_test async3-1.0 {
+  file mkdir [file join chocolate banana vanilla]
+  file delete -force chocolate/banana/vanilla/file.db
+  file delete -force chocolate/banana/vanilla/file.db-journal
+} {}
+do_test async3-1.1 {
+  sqlite3 db chocolate/banana/vanilla/file.db
+  execsql {
+    CREATE TABLE abc(a, b, c);
+    BEGIN;
+    INSERT INTO abc VALUES(1, 2, 3);
+  }
+} {}
+
+set N 2
+foreach p $paths {
+  sqlite3 db2 $p
+  do_test async3-1.$N.1 {
+    execsql {SELECT * FROM abc} db2
+  } {}
+  do_test async3-1.$N.2 {
+    catchsql {INSERT INTO abc VALUES(4, 5, 6)} db2
+  } {1 {database is locked}}
+  db2 close
+  incr N
+}
+
+db close
+sqlite3async_halt idle
+sqlite3async_wait
+sqlite3async_enable 0
+finish_test