[sql] Import reference version of SQLite 3.17..

third_party/sqlite/sqlite-src-3170000/ext/rtree/rtree7.test

+# 2010 February 16
+#
+# 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.
+#
+#***********************************************************************
+# 
+# Test that nothing goes wrong if an rtree table is created, then the
+# database page-size is modified. At one point (3.6.22), this was causing
+# malfunctions.
+#
+
+if {![info exists testdir]} {
+  set testdir [file join [file dirname [info script]] .. .. test]
+} 
+source $testdir/tester.tcl
+
+ifcapable !rtree||!vacuum {
+  finish_test
+  return
+}
+
+# Like execsql except display output as integer where that can be
+# done without loss of information.
+#
+proc execsql_intout {sql} {
+  set out {}
+  foreach term [execsql $sql] {
+    regsub {\.0$} $term {} term
+    lappend out $term
+  }
+  return $out
+}
+
+do_test rtree7-1.1 {
+  execsql {
+    PRAGMA page_size = 1024;
+    CREATE VIRTUAL TABLE rt USING rtree(id, x1, x2, y1, y2);
+    INSERT INTO rt VALUES(1, 1, 2, 3, 4);
+  }
+} {}
+do_test rtree7-1.2 {
+  execsql_intout { SELECT * FROM rt }
+} {1 1 2 3 4}
+do_test rtree7-1.3 {
+  execsql_intout { 
+    PRAGMA page_size = 2048;
+    VACUUM;
+    SELECT * FROM rt;
+  }
+} {1 1 2 3 4}
+do_test rtree7-1.4 {
+  for {set i 2} {$i <= 51} {incr i} {
+    execsql { INSERT INTO rt VALUES($i, 1, 2, 3, 4) }
+  }
+  execsql_intout { SELECT sum(x1), sum(x2), sum(y1), sum(y2) FROM rt }
+} {51 102 153 204}
+do_test rtree7-1.5 {
+  execsql_intout { 
+    PRAGMA page_size = 512;
+    VACUUM;
+    SELECT sum(x1), sum(x2), sum(y1), sum(y2) FROM rt
+  }
+} {51 102 153 204}
+
+finish_test