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Annotation of embedaddon/sqlite3/test/fts1k.test, revision 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: # FTS1 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: fts1k.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_FTS1 is defined, omit this file.
        !            19: ifcapable !fts1 {
        !            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 fts1k-1.1 {
        !            27:   execsql "CREATE VIRTUAL TABLE t1 USING fts1(content, \x80)"
        !            28: } {}
        !            29: 
        !            30: # Additionally tests isspace() call in getToken(), and isalnum() call
        !            31: # in tokenListToIdList().
        !            32: do_test fts1k-1.2 {
        !            33:   catch {
        !            34:     execsql "CREATE VIRTUAL TABLE t2 USING fts1(content, tokenize \x80)"
        !            35:   }
        !            36:   sqlite3_errmsg $DB
        !            37: } "unknown tokenizer: \x80"
        !            38: 
        !            39: # Additionally test final isalnum() in startsWith().
        !            40: do_test fts1k-1.3 {
        !            41:   execsql "CREATE VIRTUAL TABLE t3 USING fts1(content, tokenize\x80)"
        !            42: } {}
        !            43: 
        !            44: # The snippet-generation code has calls to isspace() which are sort of
        !            45: # hard to get to.  It finds convenient breakpoints by starting ~40
        !            46: # chars before and after the matched term, and scanning ~10 chars
        !            47: # around that position for isspace() characters.  The long word with
        !            48: # embedded hi-bit chars causes one of these isspace() calls to be
        !            49: # exercised.  The version with a couple extra spaces should cause the
        !            50: # other isspace() call to be exercised.  [Both cases have been tested
        !            51: # in the debugger, but I'm hoping to continue to catch it if simple
        !            52: # constant changes change things slightly.
        !            53: #
        !            54: # The trailing and leading hi-bit chars help with code which tests for
        !            55: # isspace() to coalesce multiple spaces.
        !            56: 
        !            57: set word "\x80xxxxx\x80xxxxx\x80xxxxx\x80xxxxx\x80xxxxx\x80xxxxx\x80"
        !            58: set phrase1 "$word $word $word target $word $word $word"
        !            59: set phrase2 "$word $word $word    target    $word $word $word"
        !            60: 
        !            61: db eval {CREATE VIRTUAL TABLE t4 USING fts1(content)}
        !            62: db eval "INSERT INTO t4 (content) VALUES ('$phrase1')"
        !            63: db eval "INSERT INTO t4 (content) VALUES ('$phrase2')"
        !            64: 
        !            65: do_test fts1k-1.4 {
        !            66:   execsql {SELECT rowid, length(snippet(t4)) FROM t4 WHERE t4 MATCH 'target'}
        !            67: } {1 111 2 117}
        !            68: 
        !            69: finish_test