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73 lines
2.2 KiB
Plaintext
73 lines
2.2 KiB
Plaintext
# 2016 February 4
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#
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# The author disclaims copyright to this source code. In place of
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# a legal notice, here is a blessing:
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#
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# May you do good and not evil.
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# May you find forgiveness for yourself and forgive others.
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# May you share freely, never taking more than you give.
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#
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#***********************************************************************
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# The focus of the tests is the word-fuzzer virtual table. The tests
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# in this file are slower than those in fuzzer1.test. So this file does
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# not run as part of veryquick.test etc.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !vtab {
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finish_test
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return
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}
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set ::testprefix fuzzer2
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load_static_extension db fuzzer
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#-------------------------------------------------------------------------
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# This test uses a fuzzer table with many rules. There is one rule to
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# map each possible two character string, where characters are lower-case
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# letters used in the English language, to all other possible two character
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# strings. In total, (26^4)-(26^2) mappings (the subtracted term represents
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# the no-op mappings discarded automatically by the fuzzer).
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#
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#
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do_execsql_test 1.1.1 {
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DROP TABLE IF EXISTS x1;
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DROP TABLE IF EXISTS x1_rules;
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CREATE TABLE x1_rules(ruleset, cFrom, cTo, cost);
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}
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puts "This test is slow - perhaps around 7 seconds on an average pc"
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do_test 1.1.2 {
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set LETTERS {a b c d e f g h i j k l m n o p q r s t u v w x y z}
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set cost 1
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db transaction {
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foreach c1 $LETTERS {
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foreach c2 $LETTERS {
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foreach c3 $LETTERS {
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foreach c4 $LETTERS {
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db eval {INSERT INTO x1_rules VALUES(0, $c1||$c2, $c3||$c4, $cost)}
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set cost [expr ($cost%1000) + 1]
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}
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}
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}
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}
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db eval {UPDATE x1_rules SET cost = 20 WHERE cost<20 AND cFrom!='xx'}
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}
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} {}
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do_execsql_test 1.2 {
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SELECT count(*) FROM x1_rules WHERE cTo!=cFrom;
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} [expr 26*26*26*26 - 26*26]
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do_execsql_test 1.2.1 {
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CREATE VIRTUAL TABLE x1 USING fuzzer(x1_rules);
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SELECT word FROM x1 WHERE word MATCH 'xx' LIMIT 10;
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} {xx hw hx hy hz ia ib ic id ie}
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do_execsql_test 1.2.2 {
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SELECT cTo FROM x1_rules WHERE cFrom='xx'
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ORDER BY cost asc, rowid asc LIMIT 9;
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} {hw hx hy hz ia ib ic id ie}
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finish_test
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