Get `gn gen` to succeed on Windows

third_party/sqlite/src/test/tkt3718.test

Index: third_party/sqlite/src/test/tkt3718.test
diff --git a/third_party/sqlite/src/test/tkt3718.test b/third_party/sqlite/src/test/tkt3718.test
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+# 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 file is testing the execution of SQL statements from
+# within callbacks generated by VMs that themselves open statement 
+# transactions.
+#
+# $Id: tkt3718.test,v 1.2 2009/06/05 17:09:12 drh Exp $
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+
+do_test tkt3718-1.1 {
+  execsql {
+    CREATE TABLE t1(a PRIMARY KEY, b);
+    INSERT INTO t1 VALUES(1, 'one');
+    INSERT INTO t1 VALUES(2, 'two');
+    INSERT INTO t1 VALUES(3, 'three');
+    INSERT INTO t1 VALUES(4, 'four');
+    INSERT INTO t1 VALUES(5, 'five');
+    CREATE TABLE t2(a PRIMARY KEY, b);
+  }
+} {}
+
+# SQL scalar function:
+#
+#   f1(<arg>)
+#
+# Uses database handle [db] to execute "SELECT f2(<arg>)". Returns either
+# the results or error message from the "SELECT f2(<arg>)" query to the
+# caller.
+#
+proc f1 {args} {
+  set a [lindex $args 0]
+  catch { db eval {SELECT f2($a)} } msg
+  set msg
+}
+
+# SQL scalar function:
+#
+#   f2(<arg>)
+#
+# Return the value of <arg>. Unless <arg> is "three", in which case throw
+# an exception.
+#
+proc f2 {args} {
+  set a [lindex $args 0]
+  if {$a == "three"} { error "Three!!" }
+  return $a
+}
+
+db func f1 f1
+db func f2 f2
+
+# The second INSERT statement below uses the f1 user function such that
+# half-way through the INSERT operation f1() will run an SQL statement
+# that throws an exception. At one point, before #3718 was fixed, this
+# caused the statement transaction belonging to the INSERT statement to
+# be rolled back. The result was that some (but not all) of the rows that 
+# should have been inserted went missing.
+#
+do_test tkt3718-1.2 {
+  execsql {
+    BEGIN;
+    INSERT INTO t2 SELECT a, b FROM t1;
+    INSERT INTO t2 SELECT a+5, f1(b) FROM t1;
+    COMMIT;
+  }
+  execsql {
+    SELECT a FROM t2;
+  }
+} {1 2 3 4 5 6 7 8 9 10}
+
+# This test turns on the count_changes pragma (causing DML statements to
+# return SQLITE_ROW once, with a single integer result value reporting the
+# number of rows affected by the statement). It then executes an INSERT
+# statement that requires a statement journal. After stepping the statement
+# once, so that it returns SQLITE_ROW, a second SQL statement that throws an
+# exception is run. At one point, before #3718 was fixed, this caused the
+# statement transaction belonging to the INSERT statement to be rolled back.
+# The result was that none of the rows were actually inserted.
+# 
+#
+do_test tkt3718-1.3 {
+  execsql { 
+    DELETE FROM t2 WHERE a > 5;
+    PRAGMA count_changes = 1;
+    BEGIN;
+  }
+  db eval {INSERT INTO t2 SELECT a+5, b||'+5' FROM t1} {
+    catch { db eval {SELECT f2('three')} } msg
+  }
+  execsql {
+    COMMIT;
+    SELECT a FROM t2;
+  }
+} {1 2 3 4 5 6 7 8 9 10}
+
+do_test tkt3718-1.4 {
+  execsql {pragma count_changes=0}
+} {}
+
+# This SQL function executes the SQL specified as an argument against
+# database [db].
+#
+proc sql {doit zSql} {
+  if {$doit} { catchsql $zSql }
+}
+db func sql [list sql]
+
+# The following tests, tkt3718-2.*, test that a nested statement 
+# transaction can be successfully committed or reverted without 
+# affecting the parent statement transaction.
+#
+do_test tkt3718-2.1 {
+  execsql { SELECT sql(1, 'DELETE FROM t2 WHERE a = '||a ) FROM t2 WHERE a>5 }
+  execsql { SELECT a from t2 }
+} {1 2 3 4 5}
+do_test tkt3718-2.2 {
+  execsql {
+    DELETE FROM t2 WHERE a > 5;
+    BEGIN;
+    INSERT INTO t2 SELECT a+5, sql(a==3,
+        'INSERT INTO t2 SELECT a+10, f2(b) FROM t1'
+    ) FROM t1;
+  }
+  execsql {
+    COMMIT;
+    SELECT a FROM t2;
+  }
+} {1 2 3 4 5 6 7 8 9 10}
+do_test tkt3718-2.3 {
+  execsql {
+    DELETE FROM t2 WHERE a > 5;
+    BEGIN;
+    INSERT INTO t2 SELECT a+5, sql(a==3,
+        'INSERT INTO t2 SELECT a+10, b FROM t1'
+    ) FROM t1;
+    COMMIT;
+  }
+  execsql { SELECT a FROM t2 ORDER BY a+0}
+} {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15}
+integrity_check tkt3718.2-4
+
+# The next set of tests, tkt3718-3.*, test that a statement transaction
+# that has a committed statement transaction nested inside of it can
+# be committed or reverted.
+#
+foreach {tn io ii results} {
+  1 0 10 {1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20}
+  2 1 10 {6 7 8 9 10 16 17 18 19 20}
+  3 0 11 {1 2 3 4 5 6 7 8 9 10 16 17 18 19 20}
+  4 1 11 {6 7 8 9 10 16 17 18 19 20}
+} {
+  do_test tkt3718-3.$tn {
+    execsql { 
+      DELETE FROM t2;
+      INSERT INTO t2 SELECT a+5, b FROM t1;
+      INSERT INTO t2 SELECT a+15, b FROM t1;
+    }
+
+    catchsql "
+      BEGIN;
+      INSERT INTO t2 SELECT a+$io, sql(a==3,
+          'INSERT INTO t2 SELECT a+$ii, b FROM t1'
+      ) FROM t1;
+    "
+
+    execsql { COMMIT }
+
+    execsql { SELECT a FROM t2 ORDER BY a+0}
+  } $results
+
+  integrity_check tkt3718-3.$tn.integrity
+}
+
+# This is the same test as tkt3718-3.*, but with 3 levels of nesting.
+#
+foreach {tn i1 i2 i3 results} {
+  1   0 10 20   {5 10 15 20 25 30}
+  2   0 10 21   {5 10 15 20 30}
+  3   0 11 20   {5 10 20 30}
+  4   0 11 21   {5 10 20 30}
+  5   1 10 20   {10 20 30}
+  6   1 10 21   {10 20 30}
+  7   1 11 20   {10 20 30}
+  8   1 11 21   {10 20 30}
+} {
+  do_test tkt3718-4.$tn {
+    execsql { 
+      DELETE FROM t2;
+      INSERT INTO t2 SELECT a+5, b FROM t1;
+      INSERT INTO t2 SELECT a+15, b FROM t1;
+      INSERT INTO t2 SELECT a+25, b FROM t1;
+    }
+
+    catchsql "
+      BEGIN;
+      INSERT INTO t2 SELECT a+$i1, sql(a==3,
+          'INSERT INTO t2 SELECT a+$i2, sql(a==3, 
+             ''INSERT INTO t2 SELECT a+$i3, b FROM t1''
+           ) FROM t1'
+      ) FROM t1;
+    "
+
+    execsql { COMMIT }
+
+    execsql { SELECT a FROM t2 WHERE (a%5)==0 ORDER BY a+0}
+  } $results
+
+  do_test tkt3718-4.$tn.extra {
+    execsql {
+      SELECT 
+        (SELECT sum(a) FROM t2)==(SELECT sum(a*5-10) FROM t2 WHERE (a%5)==0)
+    }
+  } {1}
+
+  integrity_check tkt3718-4.$tn.integrity
+}
+
+
+finish_test