Return to substr.test CVS log

Up to [ELWIX - Embedded LightWeight unIX -] / embedaddon / sqlite3 / test

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

1.1       misho       1: # 2007 May 14
                      2: #
                      3: # The author disclaims copyright to this source code.  In place of
                      4: # a legal notice, here is a blessing:
                      5: #
                      6: #    May you do good and not evil.
                      7: #    May you find forgiveness for yourself and forgive others.
                      8: #    May you share freely, never taking more than you give.
                      9: #
                     10: #***********************************************************************
                     11: # This file implements regression tests for SQLite library.  The
                     12: # focus of this file is testing the built-in SUBSTR() functions.
                     13: #
                     14: # $Id: substr.test,v 1.7 2009/02/03 13:10:54 drh Exp $
                     15: 
                     16: set testdir [file dirname $argv0]
                     17: source $testdir/tester.tcl
                     18: 
                     19: ifcapable !tclvar {
                     20:   finish_test
                     21:   return
                     22: }
                     23: 
                     24: # Create a table to work with.
                     25: #
                     26: execsql { 
                     27:   CREATE TABLE t1(t text, b blob)
                     28: }
                     29: proc substr-test {id string i1 i2 result} {
                     30:   db eval {
                     31:     DELETE FROM t1;
                     32:     INSERT INTO t1(t) VALUES($string)
                     33:   }
                     34:   do_test substr-$id.1 [subst {
                     35:     execsql {
                     36:       SELECT substr(t, $i1, $i2) FROM t1
                     37:     }
                     38:   }] [list $result]
                     39:   set qstr '[string map {' ''} $string]'
                     40:   do_test substr-$id.2 [subst {
                     41:     execsql {
                     42:       SELECT substr($qstr, $i1, $i2)
                     43:     }
                     44:   }] [list $result]
                     45: }
                     46: proc subblob-test {id hex i1 i2 hexresult} {
                     47:   db eval "
                     48:     DELETE FROM t1;
                     49:     INSERT INTO t1(b) VALUES(x'$hex')
                     50:   "
                     51:   do_test substr-$id.1 [subst {
                     52:     execsql {
                     53:       SELECT hex(substr(b, $i1, $i2)) FROM t1
                     54:     }
                     55:   }] [list $hexresult]
                     56:   do_test substr-$id.2 [subst {
                     57:     execsql {
                     58:       SELECT hex(substr(x'$hex', $i1, $i2))
                     59:     }
                     60:   }] [list $hexresult]
                     61: }
                     62: 
                     63: # Basic SUBSTR functionality
                     64: #
                     65: substr-test 1.1 abcdefg 1 1 a
                     66: substr-test 1.2 abcdefg 2 1 b
                     67: substr-test 1.3 abcdefg 1 2 ab
                     68: substr-test 1.4 abcdefg 1 100 abcdefg
                     69: substr-test 1.5 abcdefg 0 2 a
                     70: substr-test 1.6 abcdefg -1 1 g
                     71: substr-test 1.7 abcdefg -1 10 g
                     72: substr-test 1.8 abcdefg -5 3 cde
                     73: substr-test 1.9 abcdefg -7 3 abc
                     74: substr-test 1.10 abcdefg -100 98 abcde
                     75: substr-test 1.11 abcdefg 5 -1 d
                     76: substr-test 1.12 abcdefg 5 -4 abcd
                     77: substr-test 1.13 abcdefg 5 -5 abcd
                     78: substr-test 1.14 abcdefg -5 -1 b
                     79: substr-test 1.15 abcdefg -5 -2 ab
                     80: substr-test 1.16 abcdefg -5 -3 ab
                     81: substr-test 1.17 abcdefg 100 200 {}
                     82: substr-test 1.18 abcdefg 200 100 {}
                     83: 
                     84: # Make sure NULL is returned if any parameter is NULL
                     85: #
                     86: do_test substr-1.90 {
                     87:   db eval {SELECT ifnull(substr(NULL,1,1),'nil')}
                     88: } nil
                     89: do_test substr-1.91 {
                     90:   db eval {SELECT ifnull(substr(NULL,1),'nil')}
                     91: } nil
                     92: do_test substr-1.92 {
                     93:   db eval {SELECT ifnull(substr('abcdefg',NULL,1),'nil')}
                     94: } nil
                     95: do_test substr-1.93 {
                     96:   db eval {SELECT ifnull(substr('abcdefg',NULL),'nil')}
                     97: } nil
                     98: do_test substr-1.94 {
                     99:   db eval {SELECT ifnull(substr('abcdefg',1,NULL),'nil')}
                    100: } nil
                    101: 
                    102: # Make sure everything works with long unicode characters
                    103: #
                    104: substr-test 2.1 \u1234\u2345\u3456 1 1 \u1234
                    105: substr-test 2.2 \u1234\u2345\u3456 2 1 \u2345
                    106: substr-test 2.3 \u1234\u2345\u3456 1 2 \u1234\u2345
                    107: substr-test 2.4 \u1234\u2345\u3456 -1 1 \u3456
                    108: substr-test 2.5 a\u1234b\u2345c\u3456c -5 3 b\u2345c
                    109: substr-test 2.6 a\u1234b\u2345c\u3456c -2 -3 b\u2345c
                    110: 
                    111: # Basic functionality for BLOBs
                    112: #
                    113: subblob-test 3.1 61626364656667 1 1 61
                    114: subblob-test 3.2 61626364656667 2 1 62
                    115: subblob-test 3.3 61626364656667 1 2 6162
                    116: subblob-test 3.4 61626364656667 1 100 61626364656667
                    117: subblob-test 3.5 61626364656667 0 2 61
                    118: subblob-test 3.6 61626364656667 -1 1 67
                    119: subblob-test 3.7 61626364656667 -1 10 67
                    120: subblob-test 3.8 61626364656667 -5 3 636465
                    121: subblob-test 3.9 61626364656667 -7 3 616263
                    122: subblob-test 3.10 61626364656667 -100 98 6162636465
                    123: subblob-test 3.11 61626364656667 100 200 {}
                    124: subblob-test 3.12 61626364656667 200 100 {}
                    125: 
                    126: # If these blobs were strings, then they would contain multi-byte
                    127: # characters.  But since they are blobs, the substr indices refer
                    128: # to bytes.
                    129: #
                    130: subblob-test 4.1 61E188B462E28D8563E3919663 1 1 61
                    131: subblob-test 4.2 61E188B462E28D8563E3919663 2 1 E1
                    132: subblob-test 4.3 61E188B462E28D8563E3919663 1 2 61E1
                    133: subblob-test 4.4 61E188B462E28D8563E3919663 -2 1 96
                    134: subblob-test 4.5 61E188B462E28D8563E3919663 -5 4 63E39196
                    135: subblob-test 4.6 61E188B462E28D8563E3919663 -100 98 61E188B462E28D8563E391 
                    136: 
                    137: # Two-argument SUBSTR
                    138: #
                    139: proc substr-2-test {id string idx result} {
                    140:   db eval {
                    141:     DELETE FROM t1;
                    142:     INSERT INTO t1(t) VALUES($string)
                    143:   }
                    144:   do_test substr-$id.1 [subst {
                    145:     execsql {
                    146:       SELECT substr(t, $idx) FROM t1
                    147:     }
                    148:   }] [list $result]
                    149:   set qstr '[string map {' ''} $string]'
                    150:   do_test substr-$id.2 [subst {
                    151:     execsql {
                    152:       SELECT substr($qstr, $idx)
                    153:     }
                    154:   }] [list $result]
                    155: }
                    156: substr-2-test 5.1 abcdefghijklmnop 5 efghijklmnop
                    157: substr-2-test 5.2 abcdef -5 bcdef
                    158: 
                    159: finish_test