832508b7ea
We still need to add addition tests to the suite to further exercise the flattener, however. (CVS 408) FossilOrigin-Name: d5d3e79cc58da5bd315cc1fea1f7cbf46274da16
235 lines
6.8 KiB
Plaintext
235 lines
6.8 KiB
Plaintext
# 2001 September 15
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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 built-in functions.
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#
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# $Id: func.test,v 1.9 2002/03/02 17:04:09 drh Exp $
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# Create a table to work with.
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#
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do_test func-0.0 {
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execsql {CREATE TABLE tbl1(t1 text)}
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foreach word {this program is free software} {
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execsql "INSERT INTO tbl1 VALUES('$word')"
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}
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execsql {SELECT t1 FROM tbl1 ORDER BY t1}
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} {free is program software this}
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do_test func-0.1 {
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execsql {
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CREATE TABLE t2(a);
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INSERT INTO t2 VALUES(1);
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INSERT INTO t2 VALUES(NULL);
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INSERT INTO t2 VALUES(345);
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INSERT INTO t2 VALUES(NULL);
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INSERT INTO t2 VALUES(67890);
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SELECT * FROM t2;
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}
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} {1 {} 345 {} 67890}
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# Check out the length() function
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#
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do_test func-1.0 {
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execsql {SELECT length(t1) FROM tbl1 ORDER BY t1}
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} {4 2 7 8 4}
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do_test func-1.1 {
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set r [catch {execsql {SELECT length(*) FROM tbl1 ORDER BY t1}} msg]
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lappend r $msg
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} {1 {wrong number of arguments to function length()}}
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do_test func-1.2 {
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set r [catch {execsql {SELECT length(t1,5) FROM tbl1 ORDER BY t1}} msg]
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lappend r $msg
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} {1 {wrong number of arguments to function length()}}
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do_test func-1.3 {
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execsql {SELECT length(t1), count(*) FROM tbl1 GROUP BY length(t1)
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ORDER BY length(t1)}
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} {2 1 4 2 7 1 8 1}
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do_test func-1.4 {
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execsql {SELECT length(a) FROM t2}
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} {1 0 3 0 5}
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# Check out the substr() function
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#
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do_test func-2.0 {
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execsql {SELECT substr(t1,1,2) FROM tbl1 ORDER BY t1}
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} {fr is pr so th}
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do_test func-2.1 {
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execsql {SELECT substr(t1,2,1) FROM tbl1 ORDER BY t1}
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} {r s r o h}
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do_test func-2.2 {
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execsql {SELECT substr(t1,3,3) FROM tbl1 ORDER BY t1}
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} {ee {} ogr ftw is}
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do_test func-2.3 {
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execsql {SELECT substr(t1,-1,1) FROM tbl1 ORDER BY t1}
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} {e s m e s}
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do_test func-2.4 {
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execsql {SELECT substr(t1,-1,2) FROM tbl1 ORDER BY t1}
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} {e s m e s}
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do_test func-2.5 {
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execsql {SELECT substr(t1,-2,1) FROM tbl1 ORDER BY t1}
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} {e i a r i}
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do_test func-2.6 {
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execsql {SELECT substr(t1,-2,2) FROM tbl1 ORDER BY t1}
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} {ee is am re is}
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do_test func-2.7 {
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execsql {SELECT substr(t1,-4,2) FROM tbl1 ORDER BY t1}
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} {fr {} gr wa th}
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do_test func-2.8 {
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execsql {SELECT t1 FROM tbl1 ORDER BY substr(t1,2,20)}
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} {this software free program is}
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do_test func-2.9 {
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execsql {SELECT substr(a,1,1) FROM t2}
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} {1 {} 3 {} 6}
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do_test func-2.10 {
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execsql {SELECT substr(a,2,2) FROM t2}
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} {{} {} 45 {} 78}
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# Only do the following tests if TCL has UTF-8 capabilities and
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# the UTF-8 encoding is turned on in the SQLite library.
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#
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if {[sqlite -encoding]=="UTF-8" && "\u1234"!="u1234"} {
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# Put some UTF-8 characters in the database
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#
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do_test func-3.0 {
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execsql {DELETE FROM tbl1}
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foreach word "contains UTF-8 characters hi\u1234ho" {
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execsql "INSERT INTO tbl1 VALUES('$word')"
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}
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execsql {SELECT t1 FROM tbl1 ORDER BY t1}
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} "characters contains hi\u1234ho UTF-8"
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do_test func-3.1 {
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execsql {SELECT length(t1) FROM tbl1 ORDER BY t1}
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} {10 8 5 5}
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do_test func-3.2 {
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execsql {SELECT substr(t1,1,2) FROM tbl1 ORDER BY t1}
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} {ch co hi UT}
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do_test func-3.3 {
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execsql {SELECT substr(t1,1,3) FROM tbl1 ORDER BY t1}
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} "cha con hi\u1234 UTF"
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do_test func-3.4 {
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execsql {SELECT substr(t1,2,2) FROM tbl1 ORDER BY t1}
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} "ha on i\u1234 TF"
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do_test func-3.5 {
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execsql {SELECT substr(t1,2,3) FROM tbl1 ORDER BY t1}
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} "har ont i\u1234h TF-"
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do_test func-3.6 {
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execsql {SELECT substr(t1,3,2) FROM tbl1 ORDER BY t1}
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} "ar nt \u1234h F-"
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do_test func-3.7 {
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execsql {SELECT substr(t1,4,2) FROM tbl1 ORDER BY t1}
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} "ra ta ho -8"
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do_test func-3.8 {
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execsql {SELECT substr(t1,-1,1) FROM tbl1 ORDER BY t1}
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} "s s o 8"
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do_test func-3.9 {
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execsql {SELECT substr(t1,-3,2) FROM tbl1 ORDER BY t1}
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} "er in \u1234h F-"
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do_test func-3.10 {
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execsql {SELECT substr(t1,-4,3) FROM tbl1 ORDER BY t1}
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} "ter ain i\u1234h TF-"
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do_test func-3.99 {
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execsql {DELETE FROM tbl1}
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foreach word {this program is free software} {
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execsql "INSERT INTO tbl1 VALUES('$word')"
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}
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execsql {SELECT t1 FROM tbl1}
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} {this program is free software}
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} ;# End [sqlite -encoding]==UTF-8 and \u1234!=u1234
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# Test the abs() and round() functions.
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#
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do_test func-4.1 {
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execsql {
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CREATE TABLE t1(a,b,c);
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INSERT INTO t1 VALUES(1,2,3);
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INSERT INTO t1 VALUES(2,1.2345678901234,-12345.67890);
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INSERT INTO t1 VALUES(3,-2,-5);
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}
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catchsql {SELECT abs(a,b) FROM t1}
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} {1 {wrong number of arguments to function abs()}}
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do_test func-4.2 {
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catchsql {SELECT abs() FROM t1}
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} {1 {wrong number of arguments to function abs()}}
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do_test func-4.3 {
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catchsql {SELECT abs(b) FROM t1 ORDER BY a}
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} {0 {2 1.2345678901234 2}}
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do_test func-4.4 {
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catchsql {SELECT abs(c) FROM t1 ORDER BY a}
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} {0 {3 12345.67890 5}}
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do_test func-4.4.1 {
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execsql {SELECT abs(a) FROM t2}
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} {1 {} 345 {} 67890}
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do_test func-4.4.2 {
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execsql {SELECT abs(t1) FROM tbl1}
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} {this program is free software}
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do_test func-4.5 {
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catchsql {SELECT round(a,b,c) FROM t1}
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} {1 {wrong number of arguments to function round()}}
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do_test func-4.6 {
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catchsql {SELECT round(b,2) FROM t1 ORDER BY b}
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} {0 {-2.00 1.23 2.00}}
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do_test func-4.7 {
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catchsql {SELECT round(b,0) FROM t1 ORDER BY a}
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} {0 {2 1 -2}}
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do_test func-4.8 {
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catchsql {SELECT round(c) FROM t1 ORDER BY a}
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} {0 {3 -12346 -5}}
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do_test func-4.9 {
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catchsql {SELECT round(c,a) FROM t1 ORDER BY a}
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} {0 {3.0 -12345.68 -5.000}}
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do_test func-4.10 {
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catchsql {SELECT 'x' || round(c,a) || 'y' FROM t1 ORDER BY a}
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} {0 {x3.0y x-12345.68y x-5.000y}}
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do_test func-4.11 {
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catchsql {SELECT round() FROM t1 ORDER BY a}
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} {1 {wrong number of arguments to function round()}}
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do_test func-4.12 {
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execsql {SELECT round(a,2) FROM t2}
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} {1.00 0.00 345.00 0.00 67890.00}
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do_test func-4.13 {
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execsql {SELECT round(t1,2) FROM tbl1}
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} {0.00 0.00 0.00 0.00 0.00}
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# Test the upper() and lower() functions
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#
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do_test func-5.1 {
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execsql {SELECT upper(t1) FROM tbl1}
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} {THIS PROGRAM IS FREE SOFTWARE}
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do_test func-5.2 {
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execsql {SELECT lower(upper(t1)) FROM tbl1}
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} {this program is free software}
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do_test func-5.3 {
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execsql {SELECT upper(a), lower(a) FROM t2}
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} {1 1 {} {} 345 345 {} {} 67890 67890}
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do_test func-5.4 {
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catchsql {SELECT upper(a,5) FROM t2}
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} {1 {wrong number of arguments to function upper()}}
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do_test func-5.5 {
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catchsql {SELECT upper(*) FROM t2}
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} {1 {wrong number of arguments to function upper()}}
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# Test the coalesce() function
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#
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do_test func-6.1 {
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execsql {SELECT coalesce(a,'xyz') FROM t2}
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} {1 xyz 345 xyz 67890}
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do_test func-6.2 {
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execsql {SELECT coalesce(upper(a),'nil') FROM t2}
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} {1 nil 345 nil 67890}
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finish_test
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