Get `gn gen` to succeed on Windows

third_party/sqlite/src/test/memdb.test

+# 2001 September 15
+#
+# 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.
+#
+#***********************************************************************
+# This file implements regression tests for SQLite library.  The
+# focus of this script is in-memory database backend.
+#
+# $Id: memdb.test,v 1.19 2009/05/18 16:04:38 danielk1977 Exp $
+
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+ifcapable memorydb {
+
+# In the following sequence of tests, compute the MD5 sum of the content
+# of a table, make lots of modifications to that table, then do a rollback.
+# Verify that after the rollback, the MD5 checksum is unchanged.
+#
+# These tests were browed from trans.tcl.
+#
+do_test memdb-1.1 {
+  db close
+  sqlite3 db :memory:
+  # sqlite3 db test.db
+  execsql {
+    BEGIN;
+    CREATE TABLE t3(x TEXT);
+    INSERT INTO t3 VALUES(randstr(10,400));
+    INSERT INTO t3 VALUES(randstr(10,400));
+    INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+    INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+    INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+    INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+    INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+    INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+    INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+    INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+    INSERT INTO t3 SELECT randstr(10,400) FROM t3;
+    COMMIT;
+    SELECT count(*) FROM t3;
+  }
+} {1024}
+
+# The following procedure computes a "signature" for table "t3".  If
+# T3 changes in any way, the signature should change.  
+#
+# This is used to test ROLLBACK.  We gather a signature for t3, then
+# make lots of changes to t3, then rollback and take another signature.
+# The two signatures should be the same.
+#
+proc signature {{fn {}}} {
+  set rx [db eval {SELECT x FROM t3}]
+  # set r1 [md5 $rx\n]
+  if {$fn!=""} {
+    # set fd [open $fn w]
+    # puts $fd $rx
+    # close $fd
+  }
+  # set r [db eval {SELECT count(*), md5sum(x) FROM t3}]
+  # puts "SIG($fn)=$r1"
+  return [list [string length $rx] $rx]
+}
+
+# Do rollbacks.  Make sure the signature does not change.
+#
+set limit 10
+for {set i 2} {$i<=$limit} {incr i} {
+  set ::sig [signature one]
+  # puts "sig=$sig"
+  set cnt [lindex $::sig 0]
+  if {$i%2==0} {
+    execsql {PRAGMA synchronous=FULL}
+  } else {
+    execsql {PRAGMA synchronous=NORMAL}
+  }
+  do_test memdb-1.$i.1-$cnt {
+     execsql {
+       BEGIN;
+       DELETE FROM t3 WHERE random()%10!=0;
+       INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
+       INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
+       ROLLBACK;
+     }
+     set sig2 [signature two]
+  } $sig
+  # puts "sig2=$sig2"
+  # if {$sig2!=$sig} exit
+  do_test memdb-1.$i.2-$cnt {
+     execsql {
+       BEGIN;
+       DELETE FROM t3 WHERE random()%10!=0;
+       INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
+       DELETE FROM t3 WHERE random()%10!=0;
+       INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
+       ROLLBACK;
+     }
+     signature
+  } $sig
+  if {$i<$limit} {
+    do_test memdb-1.$i.9-$cnt {
+       execsql {
+         INSERT INTO t3 SELECT randstr(10,400) FROM t3 WHERE random()%10==0;
+       }
+    } {}
+  }
+  set ::pager_old_format 0
+}
+
+integrity_check memdb-2.1
+
+do_test memdb-3.1 {
+  execsql {
+    CREATE TABLE t4(a,b,c,d);
+    BEGIN;
+    INSERT INTO t4 VALUES(1,2,3,4);
+    SELECT * FROM t4;
+  }
+} {1 2 3 4}
+do_test memdb-3.2 {
+  execsql {
+    SELECT name FROM sqlite_master WHERE type='table';
+  }
+} {t3 t4}
+do_test memdb-3.3 {
+  execsql {
+    DROP TABLE t4;
+    SELECT name FROM sqlite_master WHERE type='table';
+  }
+} {t3}
+do_test memdb-3.4 {
+  execsql {
+    ROLLBACK;
+    SELECT name FROM sqlite_master WHERE type='table';
+  }
+} {t3 t4}
+
+# Create tables for the first group of tests.
+#
+do_test memdb-4.0 {
+  execsql {
+    CREATE TABLE t1(a, b, c, UNIQUE(a,b));
+    CREATE TABLE t2(x);
+    SELECT c FROM t1 ORDER BY c;
+  }
+} {}
+
+# Six columns of configuration data as follows:
+#
+#   i      The reference number of the test
+#   conf   The conflict resolution algorithm on the BEGIN statement
+#   cmd    An INSERT or REPLACE command to execute against table t1
+#   t0     True if there is an error from $cmd
+#   t1     Content of "c" column of t1 assuming no error in $cmd
+#   t2     Content of "x" column of t2
+#
+foreach {i conf cmd t0 t1 t2} {
+  1 {}       INSERT                  1 {}  1
+  2 {}       {INSERT OR IGNORE}      0 3   1
+  3 {}       {INSERT OR REPLACE}     0 4   1
+  4 {}       REPLACE                 0 4   1
+  5 {}       {INSERT OR FAIL}        1 {}  1
+  6 {}       {INSERT OR ABORT}       1 {}  1
+  7 {}       {INSERT OR ROLLBACK}    1 {}  {}
+} {
+
+  # All tests after test 1 depend on conflict resolution. So end the
+  # loop if that is not available in this build.
+  ifcapable !conflict {if {$i>1} break}
+
+  do_test memdb-4.$i {
+    if {$conf!=""} {set conf "ON CONFLICT $conf"}
+    set r0 [catch {execsql [subst {
+      DELETE FROM t1;
+      DELETE FROM t2;
+      INSERT INTO t1 VALUES(1,2,3);
+      BEGIN $conf;
+      INSERT INTO t2 VALUES(1); 
+      $cmd INTO t1 VALUES(1,2,4);
+    }]} r1]
+    catch {execsql {COMMIT}}
+    if {$r0} {set r1 {}} {set r1 [execsql {SELECT c FROM t1}]}
+    set r2 [execsql {SELECT x FROM t2}]
+    list $r0 $r1 $r2
+  } [list $t0 $t1 $t2]
+}
+
+do_test memdb-5.0 {
+  execsql {
+    DROP TABLE t2;
+    DROP TABLE t3;
+    CREATE TABLE t2(a,b,c);
+    INSERT INTO t2 VALUES(1,2,1);
+    INSERT INTO t2 VALUES(2,3,2);
+    INSERT INTO t2 VALUES(3,4,1);
+    INSERT INTO t2 VALUES(4,5,4);
+    SELECT c FROM t2 ORDER BY b;
+    CREATE TABLE t3(x);
+    INSERT INTO t3 VALUES(1);
+  }
+} {1 2 1 4}
+
+# Six columns of configuration data as follows:
+#
+#   i      The reference number of the test
+#   conf1  The conflict resolution algorithm on the UNIQUE constraint
+#   conf2  The conflict resolution algorithm on the BEGIN statement
+#   cmd    An UPDATE command to execute against table t1
+#   t0     True if there is an error from $cmd
+#   t1     Content of "b" column of t1 assuming no error in $cmd
+#   t2     Content of "x" column of t3
+#
+foreach {i conf1 conf2 cmd t0 t1 t2} {
+  1 {}       {}       UPDATE                  1 {6 7 8 9}  1
+  2 REPLACE  {}       UPDATE                  0 {7 6 9}    1
+  3 IGNORE   {}       UPDATE                  0 {6 7 3 9}  1
+  4 FAIL     {}       UPDATE                  1 {6 7 3 4}  1
+  5 ABORT    {}       UPDATE                  1 {1 2 3 4}  1
+  6 ROLLBACK {}       UPDATE                  1 {1 2 3 4}  0
+  7 REPLACE  {}       {UPDATE OR IGNORE}      0 {6 7 3 9}  1
+  8 IGNORE   {}       {UPDATE OR REPLACE}     0 {7 6 9}    1
+  9 FAIL     {}       {UPDATE OR IGNORE}      0 {6 7 3 9}  1
+ 10 ABORT    {}       {UPDATE OR REPLACE}     0 {7 6 9}    1
+ 11 ROLLBACK {}       {UPDATE OR IGNORE}      0 {6 7 3 9}   1
+ 12 {}       {}       {UPDATE OR IGNORE}      0 {6 7 3 9}  1
+ 13 {}       {}       {UPDATE OR REPLACE}     0 {7 6 9}    1
+ 14 {}       {}       {UPDATE OR FAIL}        1 {6 7 3 4}  1
+ 15 {}       {}       {UPDATE OR ABORT}       1 {1 2 3 4}  1
+ 16 {}       {}       {UPDATE OR ROLLBACK}    1 {1 2 3 4}  0
+} {
+  # All tests after test 1 depend on conflict resolution. So end the
+  # loop if that is not available in this build.
+  ifcapable !conflict {
+    if {$i>1} break
+  }
+
+  if {$t0} {set t1 {column a is not unique}}
+  do_test memdb-5.$i {
+    if {$conf1!=""} {set conf1 "ON CONFLICT $conf1"}
+    if {$conf2!=""} {set conf2 "ON CONFLICT $conf2"}
+    set r0 [catch {execsql "
+      DROP TABLE t1;
+      CREATE TABLE t1(a,b,c, UNIQUE(a) $conf1);
+      INSERT INTO t1 SELECT * FROM t2;
+      UPDATE t3 SET x=0;
+      BEGIN $conf2;
+      $cmd t3 SET x=1;
+      $cmd t1 SET b=b*2;
+      $cmd t1 SET a=c+5;
+    "} r1]
+    catch {execsql {COMMIT}}
+    if {!$r0} {set r1 [execsql {SELECT a FROM t1 ORDER BY b}]}
+    set r2 [execsql {SELECT x FROM t3}]
+    list $r0 $r1 $r2
+  } [list $t0 $t1 $t2]
+}
+
+do_test memdb-6.1 {
+  execsql {
+    SELECT * FROM t2;
+  }
+} {1 2 1 2 3 2 3 4 1 4 5 4}
+do_test memdb-6.2 {
+  execsql {
+    BEGIN;
+    DROP TABLE t2;
+    SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
+  }
+} {t1 t3 t4}
+do_test memdb-6.3 {
+  execsql {
+    ROLLBACK;
+    SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
+  }
+} {t1 t2 t3 t4}
+do_test memdb-6.4 {
+  execsql {
+    SELECT * FROM t2;
+  }
+} {1 2 1 2 3 2 3 4 1 4 5 4}
+ifcapable compound {
+do_test memdb-6.5 {
+  execsql {
+    SELECT a FROM t2 UNION SELECT b FROM t2 ORDER BY 1;
+  }
+} {1 2 3 4 5}
+} ;# ifcapable compound 
+do_test memdb-6.6 {
+  execsql {
+    CREATE INDEX i2 ON t2(c);
+    SELECT a FROM t2 ORDER BY c;
+  }
+} {1 3 2 4}
+do_test memdb-6.6 {
+  execsql {
+    SELECT a FROM t2 ORDER BY c DESC;
+  }
+} {4 2 3 1}
+do_test memdb-6.7 {
+  execsql {
+    BEGIN;
+    CREATE TABLE t5(x,y);
+    INSERT INTO t5 VALUES(1,2);
+    SELECT * FROM t5;
+  }
+} {1 2}
+do_test memdb-6.8 {
+  execsql {
+    SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
+  }
+} {t1 t2 t3 t4 t5}
+do_test memdb-6.9 {
+  execsql {
+    ROLLBACK;
+    SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
+  }
+} {t1 t2 t3 t4}
+do_test memdb-6.10 {
+  execsql {
+    CREATE TABLE t5(x PRIMARY KEY, y UNIQUE);
+    SELECT * FROM t5;
+  }
+} {}
+do_test memdb-6.11 {
+  execsql {
+    SELECT * FROM t5 ORDER BY y DESC;
+  }
+} {}
+
+ifcapable conflict {
+  do_test memdb-6.12 {
+    execsql {
+      INSERT INTO t5 VALUES(1,2);
+      INSERT INTO t5 VALUES(3,4);
+      REPLACE INTO t5 VALUES(1,4);
+      SELECT rowid,* FROM t5;
+    }
+  } {3 1 4}
+  do_test memdb-6.13 {
+    execsql {
+      DELETE FROM t5 WHERE x>5;
+      SELECT * FROM t5;
+    }
+  } {1 4}
+  do_test memdb-6.14 {
+    execsql {
+      DELETE FROM t5 WHERE y<3;
+      SELECT * FROM t5;
+    }
+  } {1 4}
+}
+
+do_test memdb-6.15 {
+  execsql {
+    DELETE FROM t5 WHERE x>0;
+    SELECT * FROM t5;
+  }
+} {}
+
+ifcapable subquery&&vtab {
+  do_test memdb-7.1 {
+    register_wholenumber_module db
+    execsql {
+      CREATE TABLE t6(x);
+      CREATE VIRTUAL TABLE nums USING wholenumber;
+      INSERT INTO t6 SELECT value FROM nums WHERE value BETWEEN 1 AND 256;
+      SELECT count(*) FROM (SELECT DISTINCT x FROM t6);
+    }
+  } {256}
+  for {set i 1} {$i<=256} {incr i} {
+    do_test memdb-7.2.$i {
+       execsql "DELETE FROM t6 WHERE x=\
+                (SELECT x FROM t6 ORDER BY random() LIMIT 1)"
+       execsql {SELECT count(*) FROM t6}
+    } [expr {256-$i}]
+  }
+}
+
+# Ticket #1524
+#
+do_test memdb-8.1 {
+  db close
+  sqlite3 db {:memory:}
+  execsql {
+    PRAGMA auto_vacuum=TRUE;
+    CREATE TABLE t1(a);
+    INSERT INTO t1 VALUES(randstr(5000,6000));
+    INSERT INTO t1 VALUES(randstr(5000,6000));
+    INSERT INTO t1 VALUES(randstr(5000,6000));
+    INSERT INTO t1 VALUES(randstr(5000,6000));
+    INSERT INTO t1 VALUES(randstr(5000,6000));
+    SELECT count(*) FROM t1;
+  }
+} 5
+do_test memdb-8.2 {
+  execsql {
+    DELETE FROM t1;
+    SELECT count(*) FROM t1;
+  }
+} 0
+
+# Test that auto-vacuum works with in-memory databases.
+# 
+ifcapable autovacuum {
+  do_test memdb-9.1 {
+    db close
+    sqlite3 db test.db
+    db cache size 0
+    execsql {
+      PRAGMA auto_vacuum = full;
+      CREATE TABLE t1(a);
+      INSERT INTO t1 VALUES(randstr(1000,1000));
+      INSERT INTO t1 VALUES(randstr(1000,1000));
+      INSERT INTO t1 VALUES(randstr(1000,1000));
+    }
+    set memused [lindex [sqlite3_status SQLITE_STATUS_MEMORY_USED 0] 1]
+    set pgovfl [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 1]
+    execsql { DELETE FROM t1 }
+    set memused2 [lindex [sqlite3_status SQLITE_STATUS_MEMORY_USED 0] 1]
+    expr {($memused2 + 2048 < $memused) || $pgovfl==0}
+  } {1}
+}
+
+} ;# ifcapable memorydb
+
+finish_test