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