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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 14:07:11 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 14:07:11 +0000 |
commit | 63847496f14c813a5d80efd5b7de0f1294ffe1e3 (patch) | |
tree | 01c7571c7c762ceee70638549a99834fdd7c411b /test/substr.test | |
parent | Initial commit. (diff) | |
download | sqlite3-63847496f14c813a5d80efd5b7de0f1294ffe1e3.tar.xz sqlite3-63847496f14c813a5d80efd5b7de0f1294ffe1e3.zip |
Adding upstream version 3.45.1.upstream/3.45.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'test/substr.test')
-rw-r--r-- | test/substr.test | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/test/substr.test b/test/substr.test new file mode 100644 index 0000000..16ce080 --- /dev/null +++ b/test/substr.test @@ -0,0 +1,158 @@ +# 2007 May 14 +# +# The author disclaims copyright to this source code. In place of +# a legal notice, here is a blessing: +# +# May you do good and not evil. +# May you find forgiveness for yourself and forgive others. +# May you share freely, never taking more than you give. +# +#*********************************************************************** +# This file implements regression tests for SQLite library. The +# focus of this file is testing the built-in SUBSTR() functions. +# + +set testdir [file dirname $argv0] +source $testdir/tester.tcl + +ifcapable !tclvar { + finish_test + return +} + +# Create a table to work with. +# +execsql { + CREATE TABLE t1(t text, b blob) +} +proc substr-test {id string i1 i2 result} { + db eval { + DELETE FROM t1; + INSERT INTO t1(t) VALUES($string) + } + do_test substr-$id.1 [subst { + execsql { + SELECT substr(t, $i1, $i2) FROM t1 + } + }] [list $result] + set qstr '[string map {' ''} $string]' + do_test substr-$id.2 [subst { + execsql { + SELECT substring($qstr, $i1, $i2) + } + }] [list $result] +} +proc subblob-test {id hex i1 i2 hexresult} { + db eval " + DELETE FROM t1; + INSERT INTO t1(b) VALUES(x'$hex') + " + do_test substr-$id.1 [subst { + execsql { + SELECT hex(substr(b, $i1, $i2)) FROM t1 + } + }] [list $hexresult] + do_test substr-$id.2 [subst { + execsql { + SELECT hex(substring(x'$hex', $i1, $i2)) + } + }] [list $hexresult] +} + +# Basic SUBSTR functionality +# +substr-test 1.1 abcdefg 1 1 a +substr-test 1.2 abcdefg 2 1 b +substr-test 1.3 abcdefg 1 2 ab +substr-test 1.4 abcdefg 1 100 abcdefg +substr-test 1.5 abcdefg 0 2 a +substr-test 1.6 abcdefg -1 1 g +substr-test 1.7 abcdefg -1 10 g +substr-test 1.8 abcdefg -5 3 cde +substr-test 1.9 abcdefg -7 3 abc +substr-test 1.10 abcdefg -100 98 abcde +substr-test 1.11 abcdefg 5 -1 d +substr-test 1.12 abcdefg 5 -4 abcd +substr-test 1.13 abcdefg 5 -5 abcd +substr-test 1.14 abcdefg -5 -1 b +substr-test 1.15 abcdefg -5 -2 ab +substr-test 1.16 abcdefg -5 -3 ab +substr-test 1.17 abcdefg 100 200 {} +substr-test 1.18 abcdefg 200 100 {} + +# Make sure NULL is returned if any parameter is NULL +# +do_test substr-1.90 { + db eval {SELECT ifnull(substr(NULL,1,1),'nil')} +} nil +do_test substr-1.91 { + db eval {SELECT ifnull(substr(NULL,1),'nil')} +} nil +do_test substr-1.92 { + db eval {SELECT ifnull(substr('abcdefg',NULL,1),'nil')} +} nil +do_test substr-1.93 { + db eval {SELECT ifnull(substring('abcdefg',NULL),'nil')} +} nil +do_test substr-1.94 { + db eval {SELECT ifnull(substr('abcdefg',1,NULL),'nil')} +} nil + +# Make sure everything works with long unicode characters +# +substr-test 2.1 \u1234\u2345\u3456 1 1 \u1234 +substr-test 2.2 \u1234\u2345\u3456 2 1 \u2345 +substr-test 2.3 \u1234\u2345\u3456 1 2 \u1234\u2345 +substr-test 2.4 \u1234\u2345\u3456 -1 1 \u3456 +substr-test 2.5 a\u1234b\u2345c\u3456c -5 3 b\u2345c +substr-test 2.6 a\u1234b\u2345c\u3456c -2 -3 b\u2345c + +# Basic functionality for BLOBs +# +subblob-test 3.1 61626364656667 1 1 61 +subblob-test 3.2 61626364656667 2 1 62 +subblob-test 3.3 61626364656667 1 2 6162 +subblob-test 3.4 61626364656667 1 100 61626364656667 +subblob-test 3.5 61626364656667 0 2 61 +subblob-test 3.6 61626364656667 -1 1 67 +subblob-test 3.7 61626364656667 -1 10 67 +subblob-test 3.8 61626364656667 -5 3 636465 +subblob-test 3.9 61626364656667 -7 3 616263 +subblob-test 3.10 61626364656667 -100 98 6162636465 +subblob-test 3.11 61626364656667 100 200 {} +subblob-test 3.12 61626364656667 200 100 {} + +# If these blobs were strings, then they would contain multi-byte +# characters. But since they are blobs, the substr indices refer +# to bytes. +# +subblob-test 4.1 61E188B462E28D8563E3919663 1 1 61 +subblob-test 4.2 61E188B462E28D8563E3919663 2 1 E1 +subblob-test 4.3 61E188B462E28D8563E3919663 1 2 61E1 +subblob-test 4.4 61E188B462E28D8563E3919663 -2 1 96 +subblob-test 4.5 61E188B462E28D8563E3919663 -5 4 63E39196 +subblob-test 4.6 61E188B462E28D8563E3919663 -100 98 61E188B462E28D8563E391 + +# Two-argument SUBSTR +# +proc substr-2-test {id string idx result} { + db eval { + DELETE FROM t1; + INSERT INTO t1(t) VALUES($string) + } + do_test substr-$id.1 [subst { + execsql { + SELECT substr(t, $idx) FROM t1 + } + }] [list $result] + set qstr '[string map {' ''} $string]' + do_test substr-$id.2 [subst { + execsql { + SELECT substring($qstr, $idx) + } + }] [list $result] +} +substr-2-test 5.1 abcdefghijklmnop 5 efghijklmnop +substr-2-test 5.2 abcdef -5 bcdef + +finish_test |