[sql] Import SQLite 3.17.0.

third_party/sqlite/src/test/sqldiff1.test

 # 2015-05-11
 #
 # 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.
 #
 #***********************************************************************
 #
 # Quick tests for the sqldiff tool
 #
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
 
-if {$tcl_platform(platform)=="windows"} {
-  set PROG "sqldiff.exe"
-} else {
-  set PROG "./sqldiff"
-}
-if {![file exe $PROG]} {
-  puts "sqldiff cannot run because $PROG is not available"
-  finish_test
-  return
-}
+set PROG [test_find_sqldiff]
+
 db close
 forcedelete test.db test2.db
 sqlite3 db test.db
 
 do_test sqldiff-1.0 {
   db eval {
     CREATE TABLE t1(a INTEGER PRIMARY KEY, b);
     CREATE TABLE t2(a INT PRIMARY KEY, b) WITHOUT ROWID;
     WITH RECURSIVE c(x) AS (VALUES(1) UNION ALL SELECT x+1 FROM c WHERE x<100)
     INSERT INTO t1(a,b) SELECT x, printf('abc-%d-xyz',x) FROM c;
@@ skipping 19 matching lines @@
   set ::MSG
 } {DELETE FROM t1 WHERE a=49;
 INSERT INTO t1(a,b) VALUES(1234,'hello');
 DELETE FROM t2 WHERE a=48;
 INSERT INTO t2(a,b) VALUES(50.5,'xyzzy');
 CREATE TABLE t3(a,b,c);
 INSERT INTO t3(rowid,a,b,c) VALUES(1,111,222,333);
 DROP TABLE t4;}
 
 finish_test