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Annotation of embedaddon/sqlite3/test/fts3al.test, revision 1.1.1.1

1.1       misho       1: # 2007 March 28
                      2: #
                      3: # The author disclaims copyright to this source code.
                      4: #
                      5: #*************************************************************************
                      6: # This file implements regression tests for SQLite library.  The focus
                      7: # of this script is testing isspace/isalnum/tolower problems with the
                      8: # FTS3 module.  Unfortunately, this code isn't a really principled set
                      9: # of tests, because it is impossible to know where new uses of these
                     10: # functions might appear.
                     11: #
                     12: # $Id: fts3al.test,v 1.2 2007/12/13 21:54:11 drh Exp $
                     13: #
                     14: 
                     15: set testdir [file dirname $argv0]
                     16: source $testdir/tester.tcl
                     17: 
                     18: # If SQLITE_ENABLE_FTS3 is defined, omit this file.
                     19: ifcapable !fts3 {
                     20:   finish_test
                     21:   return
                     22: }
                     23: 
                     24: # Tests that startsWith() (calls isspace, tolower, isalnum) can handle
                     25: # hi-bit chars.  parseSpec() also calls isalnum here.
                     26: do_test fts3al-1.1 {
                     27:   execsql "CREATE VIRTUAL TABLE t1 USING fts3(content, \x80)"
                     28: } {}
                     29: 
                     30: # Additionally tests isspace() call in getToken(), and isalnum() call
                     31: # in tokenListToIdList().
                     32: do_test fts3al-1.2 {
                     33:   catch {
                     34:     execsql "CREATE VIRTUAL TABLE t2 USING fts3(content, tokenize \x80)"
                     35:   }
                     36:   sqlite3_errmsg $DB
                     37: } "unknown tokenizer: \x80"
                     38: 
                     39: # Additionally test final isalnum() in startsWith().
                     40: do_test fts3al-1.3 {
                     41:   execsql "CREATE VIRTUAL TABLE t3 USING fts3(content, tokenize\x80)"
                     42: } {}
                     43: 
                     44: # The snippet-generation code has calls to isspace() which are sort of
                     45: # hard to get to.  It finds convenient breakpoints by starting ~40
                     46: # chars before and after the matched term, and scanning ~10 chars
                     47: # around that position for isspace() characters.  The long word with
                     48: # embedded hi-bit chars causes one of these isspace() calls to be
                     49: # exercised.  The version with a couple extra spaces should cause the
                     50: # other isspace() call to be exercised.  [Both cases have been tested
                     51: # in the debugger, but I'm hoping to continue to catch it if simple
                     52: # constant changes change things slightly.
                     53: #
                     54: # The trailing and leading hi-bit chars help with code which tests for
                     55: # isspace() to coalesce multiple spaces.
                     56: #
                     57: # UPDATE: The above is no longer true; there is no such code in fts3.
                     58: # But leave the test in just the same.
                     59: # 
                     60: 
                     61: set word "\x80xxxxx\x80xxxxx\x80xxxxx\x80xxxxx\x80xxxxx\x80xxxxx\x80"
                     62: set phrase1 "$word $word $word target $word $word $word"
                     63: set phrase2 "$word $word $word    target    $word $word $word"
                     64: 
                     65: db eval {CREATE VIRTUAL TABLE t4 USING fts3(content)}
                     66: db eval "INSERT INTO t4 (content) VALUES ('$phrase1')"
                     67: db eval "INSERT INTO t4 (content) VALUES ('$phrase2')"
                     68: 
                     69: do_test fts3al-1.4 {
                     70:   execsql {SELECT rowid, length(snippet(t4)) FROM t4 WHERE t4 MATCH 'target'}
                     71: } {1 241 2 247}
                     72: 
                     73: finish_test