Index: third_party/sqlite/sqlite-src-3070603/test/collate9.test |
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+# |
+# 2007 November 12 |
+# |
+# 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 making sure that the names of collation |
+# sequences may be quoted using double quotes in SQL statements. |
+# |
+# $Id: collate9.test,v 1.2 2008/07/10 00:32:42 drh Exp $ |
+ |
+set testdir [file dirname $argv0] |
+source $testdir/tester.tcl |
+ |
+proc reverse_sort {lhs rhs} { |
+ return [string compare $rhs $lhs] |
+} |
+db collate "reverse sort" reverse_sort |
+ |
+# This procedure executes the SQL. Then it checks to see if the OP_Sort |
+# opcode was executed. If an OP_Sort did occur, then "sort" is appended |
+# to the result. If no OP_Sort happened, then "nosort" is appended. |
+# |
+# This procedure is used to check to make sure sorting is or is not |
+# occurring as expected. |
+# |
+proc cksort {sql} { |
+ set ::sqlite_sort_count 0 |
+ set data [execsql $sql] |
+ if {$::sqlite_sort_count} {set x sort} {set x nosort} |
+ lappend data $x |
+ return $data |
+} |
+ |
+# Test plan: |
+# |
+# collate9-1.* - Test collation sequences attached to table columns |
+# collate9-2.* - Test collation sequences attached to expressions |
+# collate9-3.* - Test collation sequences attached to an index |
+# collate9-4.* - Test collation sequences as an argument to REINDEX |
+# |
+ |
+do_test collate9-1.1 { |
+ execsql { |
+ CREATE TABLE xy(x COLLATE "reverse sort", y COLLATE binary); |
+ INSERT INTO xy VALUES('one', 'one'); |
+ INSERT INTO xy VALUES('two', 'two'); |
+ INSERT INTO xy VALUES('three', 'three'); |
+ } |
+} {} |
+do_test collate9-1.2 { |
+ execsql { |
+ SELECT x FROM xy ORDER BY x |
+ } |
+} {two three one} |
+do_test collate9-1.3 { |
+ execsql { |
+ SELECT y FROM xy ORDER BY y |
+ } |
+} {one three two} |
+do_test collate9-1.4 { |
+ cksort { |
+ SELECT x FROM xy ORDER BY x |
+ } |
+} {two three one sort} |
+do_test collate9-1.5 { |
+ execsql { |
+ CREATE INDEX xy_i ON xy(x) |
+ } |
+} {} |
+do_test collate9-1.6 { |
+ cksort { |
+ SELECT x FROM xy ORDER BY x |
+ } |
+} {two three one nosort} |
+ |
+do_test collate9-2.1 { |
+ execsql { |
+ SELECT x, x < 'seven' FROM xy ORDER BY x |
+ } |
+} {two 1 three 1 one 0} |
+do_test collate9-2.2 { |
+ execsql { |
+ SELECT y, y < 'seven' FROM xy ORDER BY x |
+ } |
+} {two 0 three 0 one 1} |
+do_test collate9-2.3 { |
+ execsql { |
+ SELECT y, y COLLATE "reverse sort" < 'seven' FROM xy ORDER BY x |
+ } |
+} {two 1 three 1 one 0} |
+do_test collate9-2.4 { |
+ execsql { |
+ SELECT y FROM xy ORDER BY y |
+ } |
+} {one three two} |
+do_test collate9-2.5 { |
+ execsql { |
+ SELECT y FROM xy ORDER BY y COLLATE "reverse sort" |
+ } |
+} {two three one} |
+do_test collate9-2.6 { |
+ execsql { |
+ SELECT y COLLATE "reverse sort" AS aaa FROM xy ORDER BY aaa |
+ } |
+} {two three one} |
+ |
+do_test collate9-3.1 { |
+ execsql { |
+ CREATE INDEX xy_i2 ON xy(y COLLATE "reverse sort"); |
+ } |
+} {} |
+do_test collate9-3.2 { |
+ cksort { |
+ SELECT y FROM xy ORDER BY y |
+ } |
+} {one three two sort} |
+do_test collate9-3.3 { |
+ cksort { |
+ SELECT y FROM xy ORDER BY y COLLATE "reverse sort" |
+ } |
+} {two three one nosort} |
+do_test collate9-3.4 { |
+ cksort { |
+ SELECT y AS aaa FROM xy ORDER BY aaa |
+ } |
+} {one three two sort} |
+do_test collate9-3.5 { |
+ cksort { |
+ SELECT y COLLATE "reverse sort" AS aaa FROM xy ORDER BY aaa |
+ } |
+} {two three one nosort} |
+ |
+ifcapable reindex { |
+ do_test collate9-4.1 { |
+ execsql { |
+ REINDEX "reverse sort" |
+ } |
+ } {} |
+ |
+ # Modify the "reverse sort" collation so that it now sorts in the same |
+ # order as binary. |
+ proc reverse_sort {lhs rhs} { |
+ return [string compare $lhs $rhs] |
+ } |
+ |
+ # The integrity check should now fail because the indexes created using |
+ # "reverse sort" are no longer in sync with the collation sequence |
+ # implementation. |
+ do_test collate9-4.2 { |
+ expr {"ok" eq [execsql { PRAGMA integrity_check }]} |
+ } {0} |
+ |
+ do_test collate9-4.3 { |
+ execsql { |
+ REINDEX "reverse sort" |
+ } |
+ } {} |
+ |
+ # Integrity check should now pass. |
+ do_test collate9-4.4 { |
+ expr {"ok" eq [execsql { PRAGMA integrity_check }]} |
+ } {1} |
+ |
+ do_test collate9-4.5 { |
+ cksort { |
+ SELECT x FROM xy ORDER BY x COLLATE "reverse sort" |
+ } |
+ } {one three two nosort} |
+} |
+ |
+finish_test |