103 lines
2.2 KiB
Plaintext
103 lines
2.2 KiB
Plaintext
# 2023 January 23
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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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#
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set testdir [file dirname $argv0]
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source [file join $testdir tester.tcl]
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set testprefix unhex
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foreach {tn hex} {
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1 0000
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2 FFFF
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3 0123456789ABCDEF
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} {
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do_execsql_test 1.$tn.1 {
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SELECT hex( unhex( $hex ) );
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} $hex
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do_execsql_test 1.$tn.2 {
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SELECT hex( unhex( lower( $hex ) ) );
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} $hex
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}
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do_execsql_test 2.0 {
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SELECT typeof( unhex('') ), length( unhex('') );
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} {blob 0}
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foreach {tn hex} {
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1 ABC
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2 hello
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3 123456x7
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4 0xff
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} {
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do_execsql_test 2.$tn {
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SELECT unhex( $hex ) IS NULL;
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} 1
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}
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do_catchsql_test 3.0 {
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SELECT unhex();
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} {1 {wrong number of arguments to function unhex()}}
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do_catchsql_test 3.1 {
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SELECT unhex('ABCD', '1234', '');
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} {1 {wrong number of arguments to function unhex()}}
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#--------------------------------------------------------------------------
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# Test the 2-argument version.
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#
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foreach {tn hex} {
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1 "FFFF ABCD"
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2 "FFFF ABCD"
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3 "FFFFABCD "
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4 " FFFFABCD"
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5 "--FFFF AB- -CD- "
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6 "--"
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7 " --"
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} {
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set out ""
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foreach x [split $hex ""] {
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if {[string is xdigit $x]} { append out $x }
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}
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do_execsql_test 5.$tn.1 {
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SELECT hex( unhex($hex, ' -') );
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} [list $out]
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}
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do_execsql_test 6.0 {
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SELECT typeof( unhex(' ', ' -') ), length( unhex('-', ' -') );
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} {blob 0}
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do_execsql_test 6.1 "
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SELECT hex( unhex('\u0E01ABCD\u0E02', '\uE01\uE02') )
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" {ABCD}
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do_execsql_test 6.2 "
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SELECT typeof( unhex('\u0E01ABCD\u0E02', '\uE03\uE02') )
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" {null}
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do_execsql_test 6.3 "
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SELECT hex( unhex('\u0E01AB CD\uE02\uE01', '\uE01 \uE02') )
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" {ABCD}
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#--------------------------------------------------------------------------
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# Test that if either argument is NULL, the returned value is also NULL.
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#
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do_execsql_test 6.4.1 { SELECT typeof(unhex(NULL)) } {null}
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do_execsql_test 6.4.2 { SELECT typeof(unhex(NULL, ' ')) } {null}
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do_execsql_test 6.4.3 { SELECT typeof(unhex('1234', NULL)) } {null}
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finish_test
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