Adding upstream version 1.37.0.
Signed-off-by: Daniel Baumann <daniel@debian.org>
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158
testdata/tcl/substr.test
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158
testdata/tcl/substr.test
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# 2007 May 14
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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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# This file implements regression tests for SQLite library. The
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# focus of this file is testing the built-in SUBSTR() functions.
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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ifcapable !tclvar {
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finish_test
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return
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}
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# Create a table to work with.
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#
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execsql {
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CREATE TABLE t1(t text, b blob)
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}
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proc substr-test {id string i1 i2 result} {
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db eval {
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DELETE FROM t1;
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INSERT INTO t1(t) VALUES($string)
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}
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do_test substr-$id.1 [subst {
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execsql {
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SELECT substr(t, $i1, $i2) FROM t1
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}
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}] [list $result]
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set qstr '[string map {' ''} $string]'
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do_test substr-$id.2 [subst {
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execsql {
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SELECT substring($qstr, $i1, $i2)
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}
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}] [list $result]
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}
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proc subblob-test {id hex i1 i2 hexresult} {
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db eval "
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DELETE FROM t1;
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INSERT INTO t1(b) VALUES(x'$hex')
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"
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do_test substr-$id.1 [subst {
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execsql {
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SELECT hex(substr(b, $i1, $i2)) FROM t1
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}
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}] [list $hexresult]
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do_test substr-$id.2 [subst {
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execsql {
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SELECT hex(substring(x'$hex', $i1, $i2))
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}
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}] [list $hexresult]
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}
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# Basic SUBSTR functionality
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#
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substr-test 1.1 abcdefg 1 1 a
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substr-test 1.2 abcdefg 2 1 b
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substr-test 1.3 abcdefg 1 2 ab
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substr-test 1.4 abcdefg 1 100 abcdefg
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substr-test 1.5 abcdefg 0 2 a
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substr-test 1.6 abcdefg -1 1 g
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substr-test 1.7 abcdefg -1 10 g
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substr-test 1.8 abcdefg -5 3 cde
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substr-test 1.9 abcdefg -7 3 abc
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substr-test 1.10 abcdefg -100 98 abcde
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substr-test 1.11 abcdefg 5 -1 d
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substr-test 1.12 abcdefg 5 -4 abcd
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substr-test 1.13 abcdefg 5 -5 abcd
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substr-test 1.14 abcdefg -5 -1 b
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substr-test 1.15 abcdefg -5 -2 ab
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substr-test 1.16 abcdefg -5 -3 ab
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substr-test 1.17 abcdefg 100 200 {}
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substr-test 1.18 abcdefg 200 100 {}
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# Make sure NULL is returned if any parameter is NULL
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#
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do_test substr-1.90 {
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db eval {SELECT ifnull(substr(NULL,1,1),'nil')}
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} nil
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do_test substr-1.91 {
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db eval {SELECT ifnull(substr(NULL,1),'nil')}
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} nil
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do_test substr-1.92 {
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db eval {SELECT ifnull(substr('abcdefg',NULL,1),'nil')}
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} nil
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do_test substr-1.93 {
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db eval {SELECT ifnull(substring('abcdefg',NULL),'nil')}
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} nil
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do_test substr-1.94 {
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db eval {SELECT ifnull(substr('abcdefg',1,NULL),'nil')}
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} nil
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# Make sure everything works with long unicode characters
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#
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substr-test 2.1 \u1234\u2345\u3456 1 1 \u1234
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substr-test 2.2 \u1234\u2345\u3456 2 1 \u2345
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substr-test 2.3 \u1234\u2345\u3456 1 2 \u1234\u2345
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substr-test 2.4 \u1234\u2345\u3456 -1 1 \u3456
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substr-test 2.5 a\u1234b\u2345c\u3456c -5 3 b\u2345c
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substr-test 2.6 a\u1234b\u2345c\u3456c -2 -3 b\u2345c
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# Basic functionality for BLOBs
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#
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subblob-test 3.1 61626364656667 1 1 61
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subblob-test 3.2 61626364656667 2 1 62
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subblob-test 3.3 61626364656667 1 2 6162
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subblob-test 3.4 61626364656667 1 100 61626364656667
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subblob-test 3.5 61626364656667 0 2 61
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subblob-test 3.6 61626364656667 -1 1 67
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subblob-test 3.7 61626364656667 -1 10 67
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subblob-test 3.8 61626364656667 -5 3 636465
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subblob-test 3.9 61626364656667 -7 3 616263
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subblob-test 3.10 61626364656667 -100 98 6162636465
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subblob-test 3.11 61626364656667 100 200 {}
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subblob-test 3.12 61626364656667 200 100 {}
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# If these blobs were strings, then they would contain multi-byte
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# characters. But since they are blobs, the substr indices refer
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# to bytes.
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#
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subblob-test 4.1 61E188B462E28D8563E3919663 1 1 61
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subblob-test 4.2 61E188B462E28D8563E3919663 2 1 E1
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subblob-test 4.3 61E188B462E28D8563E3919663 1 2 61E1
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subblob-test 4.4 61E188B462E28D8563E3919663 -2 1 96
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subblob-test 4.5 61E188B462E28D8563E3919663 -5 4 63E39196
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subblob-test 4.6 61E188B462E28D8563E3919663 -100 98 61E188B462E28D8563E391
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# Two-argument SUBSTR
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#
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proc substr-2-test {id string idx result} {
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db eval {
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DELETE FROM t1;
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INSERT INTO t1(t) VALUES($string)
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}
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do_test substr-$id.1 [subst {
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execsql {
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SELECT substr(t, $idx) FROM t1
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}
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}] [list $result]
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set qstr '[string map {' ''} $string]'
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do_test substr-$id.2 [subst {
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execsql {
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SELECT substring($qstr, $idx)
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}
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}] [list $result]
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}
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substr-2-test 5.1 abcdefghijklmnop 5 efghijklmnop
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substr-2-test 5.2 abcdef -5 bcdef
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finish_test
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