sl@0: # 2001 September 15
sl@0: #
sl@0: # The author disclaims copyright to this source code.  In place of
sl@0: # a legal notice, here is a blessing:
sl@0: #
sl@0: #    May you do good and not evil.
sl@0: #    May you find forgiveness for yourself and forgive others.
sl@0: #    May you share freely, never taking more than you give.
sl@0: #
sl@0: #***********************************************************************
sl@0: # This file implements regression tests for SQLite library.  The
sl@0: # focus of this file is testing built-in functions.
sl@0: #
sl@0: # $Id: func.test,v 1.86 2008/08/04 03:51:24 danielk1977 Exp $
sl@0: 
sl@0: set testdir [file dirname $argv0]
sl@0: source $testdir/tester.tcl
sl@0: 
sl@0: # Create a table to work with.
sl@0: #
sl@0: do_test func-0.0 {
sl@0:   execsql {CREATE TABLE tbl1(t1 text)}
sl@0:   foreach word {this program is free software} {
sl@0:     execsql "INSERT INTO tbl1 VALUES('$word')"
sl@0:   }
sl@0:   execsql {SELECT t1 FROM tbl1 ORDER BY t1}
sl@0: } {free is program software this}
sl@0: do_test func-0.1 {
sl@0:   execsql {
sl@0:      CREATE TABLE t2(a);
sl@0:      INSERT INTO t2 VALUES(1);
sl@0:      INSERT INTO t2 VALUES(NULL);
sl@0:      INSERT INTO t2 VALUES(345);
sl@0:      INSERT INTO t2 VALUES(NULL);
sl@0:      INSERT INTO t2 VALUES(67890);
sl@0:      SELECT * FROM t2;
sl@0:   }
sl@0: } {1 {} 345 {} 67890}
sl@0: 
sl@0: # Check out the length() function
sl@0: #
sl@0: do_test func-1.0 {
sl@0:   execsql {SELECT length(t1) FROM tbl1 ORDER BY t1}
sl@0: } {4 2 7 8 4}
sl@0: do_test func-1.1 {
sl@0:   set r [catch {execsql {SELECT length(*) FROM tbl1 ORDER BY t1}} msg]
sl@0:   lappend r $msg
sl@0: } {1 {wrong number of arguments to function length()}}
sl@0: do_test func-1.2 {
sl@0:   set r [catch {execsql {SELECT length(t1,5) FROM tbl1 ORDER BY t1}} msg]
sl@0:   lappend r $msg
sl@0: } {1 {wrong number of arguments to function length()}}
sl@0: do_test func-1.3 {
sl@0:   execsql {SELECT length(t1), count(*) FROM tbl1 GROUP BY length(t1)
sl@0:            ORDER BY length(t1)}
sl@0: } {2 1 4 2 7 1 8 1}
sl@0: do_test func-1.4 {
sl@0:   execsql {SELECT coalesce(length(a),-1) FROM t2}
sl@0: } {1 -1 3 -1 5}
sl@0: 
sl@0: # Check out the substr() function
sl@0: #
sl@0: do_test func-2.0 {
sl@0:   execsql {SELECT substr(t1,1,2) FROM tbl1 ORDER BY t1}
sl@0: } {fr is pr so th}
sl@0: do_test func-2.1 {
sl@0:   execsql {SELECT substr(t1,2,1) FROM tbl1 ORDER BY t1}
sl@0: } {r s r o h}
sl@0: do_test func-2.2 {
sl@0:   execsql {SELECT substr(t1,3,3) FROM tbl1 ORDER BY t1}
sl@0: } {ee {} ogr ftw is}
sl@0: do_test func-2.3 {
sl@0:   execsql {SELECT substr(t1,-1,1) FROM tbl1 ORDER BY t1}
sl@0: } {e s m e s}
sl@0: do_test func-2.4 {
sl@0:   execsql {SELECT substr(t1,-1,2) FROM tbl1 ORDER BY t1}
sl@0: } {e s m e s}
sl@0: do_test func-2.5 {
sl@0:   execsql {SELECT substr(t1,-2,1) FROM tbl1 ORDER BY t1}
sl@0: } {e i a r i}
sl@0: do_test func-2.6 {
sl@0:   execsql {SELECT substr(t1,-2,2) FROM tbl1 ORDER BY t1}
sl@0: } {ee is am re is}
sl@0: do_test func-2.7 {
sl@0:   execsql {SELECT substr(t1,-4,2) FROM tbl1 ORDER BY t1}
sl@0: } {fr {} gr wa th}
sl@0: do_test func-2.8 {
sl@0:   execsql {SELECT t1 FROM tbl1 ORDER BY substr(t1,2,20)}
sl@0: } {this software free program is}
sl@0: do_test func-2.9 {
sl@0:   execsql {SELECT substr(a,1,1) FROM t2}
sl@0: } {1 {} 3 {} 6}
sl@0: do_test func-2.10 {
sl@0:   execsql {SELECT substr(a,2,2) FROM t2}
sl@0: } {{} {} 45 {} 78}
sl@0: 
sl@0: # Only do the following tests if TCL has UTF-8 capabilities
sl@0: #
sl@0: if {"\u1234"!="u1234"} {
sl@0: 
sl@0: # Put some UTF-8 characters in the database
sl@0: #
sl@0: do_test func-3.0 {
sl@0:   execsql {DELETE FROM tbl1}
sl@0:   foreach word "contains UTF-8 characters hi\u1234ho" {
sl@0:     execsql "INSERT INTO tbl1 VALUES('$word')"
sl@0:   }
sl@0:   execsql {SELECT t1 FROM tbl1 ORDER BY t1}
sl@0: } "UTF-8 characters contains hi\u1234ho"
sl@0: do_test func-3.1 {
sl@0:   execsql {SELECT length(t1) FROM tbl1 ORDER BY t1}
sl@0: } {5 10 8 5}
sl@0: do_test func-3.2 {
sl@0:   execsql {SELECT substr(t1,1,2) FROM tbl1 ORDER BY t1}
sl@0: } {UT ch co hi}
sl@0: do_test func-3.3 {
sl@0:   execsql {SELECT substr(t1,1,3) FROM tbl1 ORDER BY t1}
sl@0: } "UTF cha con hi\u1234"
sl@0: do_test func-3.4 {
sl@0:   execsql {SELECT substr(t1,2,2) FROM tbl1 ORDER BY t1}
sl@0: } "TF ha on i\u1234"
sl@0: do_test func-3.5 {
sl@0:   execsql {SELECT substr(t1,2,3) FROM tbl1 ORDER BY t1}
sl@0: } "TF- har ont i\u1234h"
sl@0: do_test func-3.6 {
sl@0:   execsql {SELECT substr(t1,3,2) FROM tbl1 ORDER BY t1}
sl@0: } "F- ar nt \u1234h"
sl@0: do_test func-3.7 {
sl@0:   execsql {SELECT substr(t1,4,2) FROM tbl1 ORDER BY t1}
sl@0: } "-8 ra ta ho"
sl@0: do_test func-3.8 {
sl@0:   execsql {SELECT substr(t1,-1,1) FROM tbl1 ORDER BY t1}
sl@0: } "8 s s o"
sl@0: do_test func-3.9 {
sl@0:   execsql {SELECT substr(t1,-3,2) FROM tbl1 ORDER BY t1}
sl@0: } "F- er in \u1234h"
sl@0: do_test func-3.10 {
sl@0:   execsql {SELECT substr(t1,-4,3) FROM tbl1 ORDER BY t1}
sl@0: } "TF- ter ain i\u1234h"
sl@0: do_test func-3.99 {
sl@0:   execsql {DELETE FROM tbl1}
sl@0:   foreach word {this program is free software} {
sl@0:     execsql "INSERT INTO tbl1 VALUES('$word')"
sl@0:   }
sl@0:   execsql {SELECT t1 FROM tbl1}
sl@0: } {this program is free software}
sl@0: 
sl@0: } ;# End \u1234!=u1234
sl@0: 
sl@0: # Test the abs() and round() functions.
sl@0: #
sl@0: do_test func-4.1 {
sl@0:   execsql {
sl@0:     CREATE TABLE t1(a,b,c);
sl@0:     INSERT INTO t1 VALUES(1,2,3);
sl@0:     INSERT INTO t1 VALUES(2,1.2345678901234,-12345.67890);
sl@0:     INSERT INTO t1 VALUES(3,-2,-5);
sl@0:   }
sl@0:   catchsql {SELECT abs(a,b) FROM t1}
sl@0: } {1 {wrong number of arguments to function abs()}}
sl@0: do_test func-4.2 {
sl@0:   catchsql {SELECT abs() FROM t1}
sl@0: } {1 {wrong number of arguments to function abs()}}
sl@0: do_test func-4.3 {
sl@0:   catchsql {SELECT abs(b) FROM t1 ORDER BY a}
sl@0: } {0 {2 1.2345678901234 2}}
sl@0: do_test func-4.4 {
sl@0:   catchsql {SELECT abs(c) FROM t1 ORDER BY a}
sl@0: } {0 {3 12345.6789 5}}
sl@0: do_test func-4.4.1 {
sl@0:   execsql {SELECT abs(a) FROM t2}
sl@0: } {1 {} 345 {} 67890}
sl@0: do_test func-4.4.2 {
sl@0:   execsql {SELECT abs(t1) FROM tbl1}
sl@0: } {0.0 0.0 0.0 0.0 0.0}
sl@0: 
sl@0: do_test func-4.5 {
sl@0:   catchsql {SELECT round(a,b,c) FROM t1}
sl@0: } {1 {wrong number of arguments to function round()}}
sl@0: do_test func-4.6 {
sl@0:   catchsql {SELECT round(b,2) FROM t1 ORDER BY b}
sl@0: } {0 {-2.0 1.23 2.0}}
sl@0: do_test func-4.7 {
sl@0:   catchsql {SELECT round(b,0) FROM t1 ORDER BY a}
sl@0: } {0 {2.0 1.0 -2.0}}
sl@0: do_test func-4.8 {
sl@0:   catchsql {SELECT round(c) FROM t1 ORDER BY a}
sl@0: } {0 {3.0 -12346.0 -5.0}}
sl@0: do_test func-4.9 {
sl@0:   catchsql {SELECT round(c,a) FROM t1 ORDER BY a}
sl@0: } {0 {3.0 -12345.68 -5.0}}
sl@0: do_test func-4.10 {
sl@0:   catchsql {SELECT 'x' || round(c,a) || 'y' FROM t1 ORDER BY a}
sl@0: } {0 {x3.0y x-12345.68y x-5.0y}}
sl@0: do_test func-4.11 {
sl@0:   catchsql {SELECT round() FROM t1 ORDER BY a}
sl@0: } {1 {wrong number of arguments to function round()}}
sl@0: do_test func-4.12 {
sl@0:   execsql {SELECT coalesce(round(a,2),'nil') FROM t2}
sl@0: } {1.0 nil 345.0 nil 67890.0}
sl@0: do_test func-4.13 {
sl@0:   execsql {SELECT round(t1,2) FROM tbl1}
sl@0: } {0.0 0.0 0.0 0.0 0.0}
sl@0: do_test func-4.14 {
sl@0:   execsql {SELECT typeof(round(5.1,1));}
sl@0: } {real}
sl@0: do_test func-4.15 {
sl@0:   execsql {SELECT typeof(round(5.1));}
sl@0: } {real}
sl@0: 
sl@0: 
sl@0: # Test the upper() and lower() functions
sl@0: #
sl@0: do_test func-5.1 {
sl@0:   execsql {SELECT upper(t1) FROM tbl1}
sl@0: } {THIS PROGRAM IS FREE SOFTWARE}
sl@0: do_test func-5.2 {
sl@0:   execsql {SELECT lower(upper(t1)) FROM tbl1}
sl@0: } {this program is free software}
sl@0: do_test func-5.3 {
sl@0:   execsql {SELECT upper(a), lower(a) FROM t2}
sl@0: } {1 1 {} {} 345 345 {} {} 67890 67890}
sl@0: ifcapable !icu {
sl@0:   do_test func-5.4 {
sl@0:     catchsql {SELECT upper(a,5) FROM t2}
sl@0:   } {1 {wrong number of arguments to function upper()}}
sl@0: }
sl@0: do_test func-5.5 {
sl@0:   catchsql {SELECT upper(*) FROM t2}
sl@0: } {1 {wrong number of arguments to function upper()}}
sl@0: 
sl@0: # Test the coalesce() and nullif() functions
sl@0: #
sl@0: do_test func-6.1 {
sl@0:   execsql {SELECT coalesce(a,'xyz') FROM t2}
sl@0: } {1 xyz 345 xyz 67890}
sl@0: do_test func-6.2 {
sl@0:   execsql {SELECT coalesce(upper(a),'nil') FROM t2}
sl@0: } {1 nil 345 nil 67890}
sl@0: do_test func-6.3 {
sl@0:   execsql {SELECT coalesce(nullif(1,1),'nil')}
sl@0: } {nil}
sl@0: do_test func-6.4 {
sl@0:   execsql {SELECT coalesce(nullif(1,2),'nil')}
sl@0: } {1}
sl@0: do_test func-6.5 {
sl@0:   execsql {SELECT coalesce(nullif(1,NULL),'nil')}
sl@0: } {1}
sl@0: 
sl@0: 
sl@0: # Test the last_insert_rowid() function
sl@0: #
sl@0: do_test func-7.1 {
sl@0:   execsql {SELECT last_insert_rowid()}
sl@0: } [db last_insert_rowid]
sl@0: 
sl@0: # Tests for aggregate functions and how they handle NULLs.
sl@0: #
sl@0: do_test func-8.1 {
sl@0:   ifcapable explain {
sl@0:     execsql {EXPLAIN SELECT sum(a) FROM t2;}
sl@0:   }
sl@0:   execsql {
sl@0:     SELECT sum(a), count(a), round(avg(a),2), min(a), max(a), count(*) FROM t2;
sl@0:   }
sl@0: } {68236 3 22745.33 1 67890 5}
sl@0: do_test func-8.2 {
sl@0:   execsql {
sl@0:     SELECT max('z+'||a||'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP') FROM t2;
sl@0:   }
sl@0: } {z+67890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP}
sl@0: 
sl@0: ifcapable tempdb {
sl@0:   do_test func-8.3 {
sl@0:     execsql {
sl@0:       CREATE TEMP TABLE t3 AS SELECT a FROM t2 ORDER BY a DESC;
sl@0:       SELECT min('z+'||a||'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP') FROM t3;
sl@0:     }
sl@0:   } {z+1abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP}
sl@0: } else {
sl@0:   do_test func-8.3 {
sl@0:     execsql {
sl@0:       CREATE TABLE t3 AS SELECT a FROM t2 ORDER BY a DESC;
sl@0:       SELECT min('z+'||a||'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP') FROM t3;
sl@0:     }
sl@0:   } {z+1abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP}
sl@0: }
sl@0: do_test func-8.4 {
sl@0:   execsql {
sl@0:     SELECT max('z+'||a||'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP') FROM t3;
sl@0:   }
sl@0: } {z+67890abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOP}
sl@0: ifcapable compound {
sl@0:   do_test func-8.5 {
sl@0:     execsql {
sl@0:       SELECT sum(x) FROM (SELECT '9223372036' || '854775807' AS x
sl@0:                           UNION ALL SELECT -9223372036854775807)
sl@0:     }
sl@0:   } {0}
sl@0:   do_test func-8.6 {
sl@0:     execsql {
sl@0:       SELECT typeof(sum(x)) FROM (SELECT '9223372036' || '854775807' AS x
sl@0:                           UNION ALL SELECT -9223372036854775807)
sl@0:     }
sl@0:   } {integer}
sl@0:   do_test func-8.7 {
sl@0:     execsql {
sl@0:       SELECT typeof(sum(x)) FROM (SELECT '9223372036' || '854775808' AS x
sl@0:                           UNION ALL SELECT -9223372036854775807)
sl@0:     }
sl@0:   } {real}
sl@0:   do_test func-8.8 {
sl@0:     execsql {
sl@0:       SELECT sum(x)>0.0 FROM (SELECT '9223372036' || '854775808' AS x
sl@0:                           UNION ALL SELECT -9223372036850000000)
sl@0:     }
sl@0:   } {1}
sl@0: }
sl@0: 
sl@0: # How do you test the random() function in a meaningful, deterministic way?
sl@0: #
sl@0: do_test func-9.1 {
sl@0:   execsql {
sl@0:     SELECT random() is not null;
sl@0:   }
sl@0: } {1}
sl@0: do_test func-9.2 {
sl@0:   execsql {
sl@0:     SELECT typeof(random());
sl@0:   }
sl@0: } {integer}
sl@0: do_test func-9.3 {
sl@0:   execsql {
sl@0:     SELECT randomblob(32) is not null;
sl@0:   }
sl@0: } {1}
sl@0: do_test func-9.4 {
sl@0:   execsql {
sl@0:     SELECT typeof(randomblob(32));
sl@0:   }
sl@0: } {blob}
sl@0: do_test func-9.5 {
sl@0:   execsql {
sl@0:     SELECT length(randomblob(32)), length(randomblob(-5)),
sl@0:            length(randomblob(2000))
sl@0:   }
sl@0: } {32 1 2000}
sl@0: 
sl@0: # The "hex()" function was added in order to be able to render blobs
sl@0: # generated by randomblob().  So this seems like a good place to test
sl@0: # hex().
sl@0: #
sl@0: ifcapable bloblit {
sl@0:   do_test func-9.10 {
sl@0:     execsql {SELECT hex(x'00112233445566778899aAbBcCdDeEfF')}
sl@0:   } {00112233445566778899AABBCCDDEEFF}
sl@0: }
sl@0: set encoding [db one {PRAGMA encoding}]
sl@0: if {$encoding=="UTF-16le"} {
sl@0:   do_test func-9.11-utf16le {
sl@0:     execsql {SELECT hex(replace('abcdefg','ef','12'))}
sl@0:   } {6100620063006400310032006700}
sl@0:   do_test func-9.12-utf16le {
sl@0:     execsql {SELECT hex(replace('abcdefg','','12'))}
sl@0:   } {{}}
sl@0:   do_test func-9.13-utf16le {
sl@0:     execsql {SELECT hex(replace('aabcdefg','a','aaa'))}
sl@0:   } {610061006100610061006100620063006400650066006700}
sl@0: } elseif {$encoding=="UTF-8"} {
sl@0:   do_test func-9.11-utf8 {
sl@0:     execsql {SELECT hex(replace('abcdefg','ef','12'))}
sl@0:   } {61626364313267}
sl@0:   do_test func-9.12-utf8 {
sl@0:     execsql {SELECT hex(replace('abcdefg','','12'))}
sl@0:   } {{}}
sl@0:   do_test func-9.13-utf8 {
sl@0:     execsql {SELECT hex(replace('aabcdefg','a','aaa'))}
sl@0:   } {616161616161626364656667}
sl@0: }
sl@0:   
sl@0: # Use the "sqlite_register_test_function" TCL command which is part of
sl@0: # the text fixture in order to verify correct operation of some of
sl@0: # the user-defined SQL function APIs that are not used by the built-in
sl@0: # functions.
sl@0: #
sl@0: set ::DB [sqlite3_connection_pointer db]
sl@0: sqlite_register_test_function $::DB testfunc
sl@0: do_test func-10.1 {
sl@0:   catchsql {
sl@0:     SELECT testfunc(NULL,NULL);
sl@0:   }
sl@0: } {1 {first argument should be one of: int int64 string double null value}}
sl@0: do_test func-10.2 {
sl@0:   execsql {
sl@0:     SELECT testfunc(
sl@0:      'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
sl@0:      'int', 1234
sl@0:     );
sl@0:   }
sl@0: } {1234}
sl@0: do_test func-10.3 {
sl@0:   execsql {
sl@0:     SELECT testfunc(
sl@0:      'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
sl@0:      'string', NULL
sl@0:     );
sl@0:   }
sl@0: } {{}}
sl@0: do_test func-10.4 {
sl@0:   execsql {
sl@0:     SELECT testfunc(
sl@0:      'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
sl@0:      'double', 1.234
sl@0:     );
sl@0:   }
sl@0: } {1.234}
sl@0: do_test func-10.5 {
sl@0:   execsql {
sl@0:     SELECT testfunc(
sl@0:      'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
sl@0:      'int', 1234,
sl@0:      'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
sl@0:      'string', NULL,
sl@0:      'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
sl@0:      'double', 1.234,
sl@0:      'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
sl@0:      'int', 1234,
sl@0:      'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
sl@0:      'string', NULL,
sl@0:      'string', 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
sl@0:      'double', 1.234
sl@0:     );
sl@0:   }
sl@0: } {1.234}
sl@0: 
sl@0: # Test the built-in sqlite_version(*) SQL function.
sl@0: #
sl@0: do_test func-11.1 {
sl@0:   execsql {
sl@0:     SELECT sqlite_version(*);
sl@0:   }
sl@0: } [sqlite3 -version]
sl@0: 
sl@0: # Test that destructors passed to sqlite3 by calls to sqlite3_result_text()
sl@0: # etc. are called. These tests use two special user-defined functions
sl@0: # (implemented in func.c) only available in test builds. 
sl@0: #
sl@0: # Function test_destructor() takes one argument and returns a copy of the
sl@0: # text form of that argument. A destructor is associated with the return
sl@0: # value. Function test_destructor_count() returns the number of outstanding
sl@0: # destructor calls for values returned by test_destructor().
sl@0: #
sl@0: if {[db eval {PRAGMA encoding}]=="UTF-8"} {
sl@0:   do_test func-12.1-utf8 {
sl@0:     execsql {
sl@0:       SELECT test_destructor('hello world'), test_destructor_count();
sl@0:     }
sl@0:   } {{hello world} 1}
sl@0: } else {
sl@0:     ifcapable {utf16} {
sl@0:       do_test func-12.1-utf16 {
sl@0:         execsql {
sl@0:           SELECT test_destructor16('hello world'), test_destructor_count();
sl@0:         }
sl@0:       } {{hello world} 1}
sl@0:     }
sl@0: }
sl@0: do_test func-12.2 {
sl@0:   execsql {
sl@0:     SELECT test_destructor_count();
sl@0:   }
sl@0: } {0}
sl@0: do_test func-12.3 {
sl@0:   execsql {
sl@0:     SELECT test_destructor('hello')||' world'
sl@0:   }
sl@0: } {{hello world}}
sl@0: do_test func-12.4 {
sl@0:   execsql {
sl@0:     SELECT test_destructor_count();
sl@0:   }
sl@0: } {0}
sl@0: do_test func-12.5 {
sl@0:   execsql {
sl@0:     CREATE TABLE t4(x);
sl@0:     INSERT INTO t4 VALUES(test_destructor('hello'));
sl@0:     INSERT INTO t4 VALUES(test_destructor('world'));
sl@0:     SELECT min(test_destructor(x)), max(test_destructor(x)) FROM t4;
sl@0:   }
sl@0: } {hello world}
sl@0: do_test func-12.6 {
sl@0:   execsql {
sl@0:     SELECT test_destructor_count();
sl@0:   }
sl@0: } {0}
sl@0: do_test func-12.7 {
sl@0:   execsql {
sl@0:     DROP TABLE t4;
sl@0:   }
sl@0: } {}
sl@0: 
sl@0: 
sl@0: # Test that the auxdata API for scalar functions works. This test uses
sl@0: # a special user-defined function only available in test builds,
sl@0: # test_auxdata(). Function test_auxdata() takes any number of arguments.
sl@0: do_test func-13.1 {
sl@0:   execsql {
sl@0:     SELECT test_auxdata('hello world');
sl@0:   }
sl@0: } {0}
sl@0: 
sl@0: do_test func-13.2 {
sl@0:   execsql {
sl@0:     CREATE TABLE t4(a, b);
sl@0:     INSERT INTO t4 VALUES('abc', 'def');
sl@0:     INSERT INTO t4 VALUES('ghi', 'jkl');
sl@0:   }
sl@0: } {}
sl@0: do_test func-13.3 {
sl@0:   execsql {
sl@0:     SELECT test_auxdata('hello world') FROM t4;
sl@0:   }
sl@0: } {0 1}
sl@0: do_test func-13.4 {
sl@0:   execsql {
sl@0:     SELECT test_auxdata('hello world', 123) FROM t4;
sl@0:   }
sl@0: } {{0 0} {1 1}}
sl@0: do_test func-13.5 {
sl@0:   execsql {
sl@0:     SELECT test_auxdata('hello world', a) FROM t4;
sl@0:   }
sl@0: } {{0 0} {1 0}}
sl@0: do_test func-13.6 {
sl@0:   execsql {
sl@0:     SELECT test_auxdata('hello'||'world', a) FROM t4;
sl@0:   }
sl@0: } {{0 0} {1 0}}
sl@0: 
sl@0: # Test that auxilary data is preserved between calls for SQL variables.
sl@0: do_test func-13.7 {
sl@0:   set DB [sqlite3_connection_pointer db]
sl@0:   set sql "SELECT test_auxdata( ? , a ) FROM t4;"
sl@0:   set STMT [sqlite3_prepare $DB $sql -1 TAIL]
sl@0:   sqlite3_bind_text $STMT 1 hello\000 -1
sl@0:   set res [list]
sl@0:   while { "SQLITE_ROW"==[sqlite3_step $STMT] } {
sl@0:     lappend res [sqlite3_column_text $STMT 0]
sl@0:   }
sl@0:   lappend res [sqlite3_finalize $STMT]
sl@0: } {{0 0} {1 0} SQLITE_OK}
sl@0: 
sl@0: # Make sure that a function with a very long name is rejected
sl@0: do_test func-14.1 {
sl@0:   catch {
sl@0:     db function [string repeat X 254] {return "hello"}
sl@0:   } 
sl@0: } {0}
sl@0: do_test func-14.2 {
sl@0:   catch {
sl@0:     db function [string repeat X 256] {return "hello"}
sl@0:   }
sl@0: } {1}
sl@0: 
sl@0: do_test func-15.1 {
sl@0:   catchsql {select test_error(NULL)}
sl@0: } {1 {}}
sl@0: do_test func-15.2 {
sl@0:   catchsql {select test_error('this is the error message')}
sl@0: } {1 {this is the error message}}
sl@0: do_test func-15.3 {
sl@0:   catchsql {select test_error('this is the error message',12)}
sl@0: } {1 {this is the error message}}
sl@0: do_test func-15.4 {
sl@0:   db errorcode
sl@0: } {12}
sl@0: 
sl@0: # Test the quote function for BLOB and NULL values.
sl@0: do_test func-16.1 {
sl@0:   execsql {
sl@0:     CREATE TABLE tbl2(a, b);
sl@0:   }
sl@0:   set STMT [sqlite3_prepare $::DB "INSERT INTO tbl2 VALUES(?, ?)" -1 TAIL]
sl@0:   sqlite3_bind_blob $::STMT 1 abc 3
sl@0:   sqlite3_step $::STMT
sl@0:   sqlite3_finalize $::STMT
sl@0:   execsql {
sl@0:     SELECT quote(a), quote(b) FROM tbl2;
sl@0:   }
sl@0: } {X'616263' NULL}
sl@0: 
sl@0: # Correctly handle function error messages that include %.  Ticket #1354
sl@0: #
sl@0: do_test func-17.1 {
sl@0:   proc testfunc1 args {error "Error %d with %s percents %p"}
sl@0:   db function testfunc1 ::testfunc1
sl@0:   catchsql {
sl@0:     SELECT testfunc1(1,2,3);
sl@0:   }
sl@0: } {1 {Error %d with %s percents %p}}
sl@0: 
sl@0: # The SUM function should return integer results when all inputs are integer.
sl@0: #
sl@0: do_test func-18.1 {
sl@0:   execsql {
sl@0:     CREATE TABLE t5(x);
sl@0:     INSERT INTO t5 VALUES(1);
sl@0:     INSERT INTO t5 VALUES(-99);
sl@0:     INSERT INTO t5 VALUES(10000);
sl@0:     SELECT sum(x) FROM t5;
sl@0:   }
sl@0: } {9902}
sl@0: do_test func-18.2 {
sl@0:   execsql {
sl@0:     INSERT INTO t5 VALUES(0.0);
sl@0:     SELECT sum(x) FROM t5;
sl@0:   }
sl@0: } {9902.0}
sl@0: 
sl@0: # The sum of nothing is NULL.  But the sum of all NULLs is NULL.
sl@0: #
sl@0: # The TOTAL of nothing is 0.0.
sl@0: #
sl@0: do_test func-18.3 {
sl@0:   execsql {
sl@0:     DELETE FROM t5;
sl@0:     SELECT sum(x), total(x) FROM t5;
sl@0:   }
sl@0: } {{} 0.0}
sl@0: do_test func-18.4 {
sl@0:   execsql {
sl@0:     INSERT INTO t5 VALUES(NULL);
sl@0:     SELECT sum(x), total(x) FROM t5
sl@0:   }
sl@0: } {{} 0.0}
sl@0: do_test func-18.5 {
sl@0:   execsql {
sl@0:     INSERT INTO t5 VALUES(NULL);
sl@0:     SELECT sum(x), total(x) FROM t5
sl@0:   }
sl@0: } {{} 0.0}
sl@0: do_test func-18.6 {
sl@0:   execsql {
sl@0:     INSERT INTO t5 VALUES(123);
sl@0:     SELECT sum(x), total(x) FROM t5
sl@0:   }
sl@0: } {123 123.0}
sl@0: 
sl@0: # Ticket #1664, #1669, #1670, #1674: An integer overflow on SUM causes
sl@0: # an error. The non-standard TOTAL() function continues to give a helpful
sl@0: # result.
sl@0: #
sl@0: do_test func-18.10 {
sl@0:   execsql {
sl@0:     CREATE TABLE t6(x INTEGER);
sl@0:     INSERT INTO t6 VALUES(1);
sl@0:     INSERT INTO t6 VALUES(1<<62);
sl@0:     SELECT sum(x) - ((1<<62)+1) from t6;
sl@0:   }
sl@0: } 0
sl@0: do_test func-18.11 {
sl@0:   execsql {
sl@0:     SELECT typeof(sum(x)) FROM t6
sl@0:   }
sl@0: } integer
sl@0: do_test func-18.12 {
sl@0:   catchsql {
sl@0:     INSERT INTO t6 VALUES(1<<62);
sl@0:     SELECT sum(x) - ((1<<62)*2.0+1) from t6;
sl@0:   }
sl@0: } {1 {integer overflow}}
sl@0: do_test func-18.13 {
sl@0:   execsql {
sl@0:     SELECT total(x) - ((1<<62)*2.0+1) FROM t6
sl@0:   }
sl@0: } 0.0
sl@0: do_test func-18.14 {
sl@0:   execsql {
sl@0:     SELECT sum(-9223372036854775805);
sl@0:   }
sl@0: } -9223372036854775805
sl@0: 
sl@0: ifcapable compound&&subquery {
sl@0: 
sl@0: do_test func-18.15 {
sl@0:   catchsql {
sl@0:     SELECT sum(x) FROM 
sl@0:        (SELECT 9223372036854775807 AS x UNION ALL
sl@0:         SELECT 10 AS x);
sl@0:   }
sl@0: } {1 {integer overflow}}
sl@0: do_test func-18.16 {
sl@0:   catchsql {
sl@0:     SELECT sum(x) FROM 
sl@0:        (SELECT 9223372036854775807 AS x UNION ALL
sl@0:         SELECT -10 AS x);
sl@0:   }
sl@0: } {0 9223372036854775797}
sl@0: do_test func-18.17 {
sl@0:   catchsql {
sl@0:     SELECT sum(x) FROM 
sl@0:        (SELECT -9223372036854775807 AS x UNION ALL
sl@0:         SELECT 10 AS x);
sl@0:   }
sl@0: } {0 -9223372036854775797}
sl@0: do_test func-18.18 {
sl@0:   catchsql {
sl@0:     SELECT sum(x) FROM 
sl@0:        (SELECT -9223372036854775807 AS x UNION ALL
sl@0:         SELECT -10 AS x);
sl@0:   }
sl@0: } {1 {integer overflow}}
sl@0: do_test func-18.19 {
sl@0:   catchsql {
sl@0:     SELECT sum(x) FROM (SELECT 9 AS x UNION ALL SELECT -10 AS x);
sl@0:   }
sl@0: } {0 -1}
sl@0: do_test func-18.20 {
sl@0:   catchsql {
sl@0:     SELECT sum(x) FROM (SELECT -9 AS x UNION ALL SELECT 10 AS x);
sl@0:   }
sl@0: } {0 1}
sl@0: do_test func-18.21 {
sl@0:   catchsql {
sl@0:     SELECT sum(x) FROM (SELECT -10 AS x UNION ALL SELECT 9 AS x);
sl@0:   }
sl@0: } {0 -1}
sl@0: do_test func-18.22 {
sl@0:   catchsql {
sl@0:     SELECT sum(x) FROM (SELECT 10 AS x UNION ALL SELECT -9 AS x);
sl@0:   }
sl@0: } {0 1}
sl@0: 
sl@0: } ;# ifcapable compound&&subquery
sl@0: 
sl@0: # Integer overflow on abs()
sl@0: #
sl@0: do_test func-18.31 {
sl@0:   catchsql {
sl@0:     SELECT abs(-9223372036854775807);
sl@0:   }
sl@0: } {0 9223372036854775807}
sl@0: do_test func-18.32 {
sl@0:   catchsql {
sl@0:     SELECT abs(-9223372036854775807-1);
sl@0:   }
sl@0: } {1 {integer overflow}}
sl@0: 
sl@0: # The MATCH function exists but is only a stub and always throws an error.
sl@0: #
sl@0: do_test func-19.1 {
sl@0:   execsql {
sl@0:     SELECT match(a,b) FROM t1 WHERE 0;
sl@0:   }
sl@0: } {}
sl@0: do_test func-19.2 {
sl@0:   catchsql {
sl@0:     SELECT 'abc' MATCH 'xyz';
sl@0:   }
sl@0: } {1 {unable to use function MATCH in the requested context}}
sl@0: do_test func-19.3 {
sl@0:   catchsql {
sl@0:     SELECT 'abc' NOT MATCH 'xyz';
sl@0:   }
sl@0: } {1 {unable to use function MATCH in the requested context}}
sl@0: do_test func-19.4 {
sl@0:   catchsql {
sl@0:     SELECT match(1,2,3);
sl@0:   }
sl@0: } {1 {wrong number of arguments to function match()}}
sl@0: 
sl@0: # Soundex tests.
sl@0: #
sl@0: if {![catch {db eval {SELECT soundex('hello')}}]} {
sl@0:   set i 0
sl@0:   foreach {name sdx} {
sl@0:     euler        E460
sl@0:     EULER        E460
sl@0:     Euler        E460
sl@0:     ellery       E460
sl@0:     gauss        G200
sl@0:     ghosh        G200
sl@0:     hilbert      H416
sl@0:     Heilbronn    H416
sl@0:     knuth        K530
sl@0:     kant         K530
sl@0:     Lloyd        L300
sl@0:     LADD         L300
sl@0:     Lukasiewicz  L222
sl@0:     Lissajous    L222
sl@0:     A            A000
sl@0:     12345        ?000
sl@0:   } {
sl@0:     incr i
sl@0:     do_test func-20.$i {
sl@0:       execsql {SELECT soundex($name)}
sl@0:     } $sdx
sl@0:   }
sl@0: }
sl@0: 
sl@0: # Tests of the REPLACE function.
sl@0: #
sl@0: do_test func-21.1 {
sl@0:   catchsql {
sl@0:     SELECT replace(1,2);
sl@0:   }
sl@0: } {1 {wrong number of arguments to function replace()}}
sl@0: do_test func-21.2 {
sl@0:   catchsql {
sl@0:     SELECT replace(1,2,3,4);
sl@0:   }
sl@0: } {1 {wrong number of arguments to function replace()}}
sl@0: do_test func-21.3 {
sl@0:   execsql {
sl@0:     SELECT typeof(replace("This is the main test string", NULL, "ALT"));
sl@0:   }
sl@0: } {null}
sl@0: do_test func-21.4 {
sl@0:   execsql {
sl@0:     SELECT typeof(replace(NULL, "main", "ALT"));
sl@0:   }
sl@0: } {null}
sl@0: do_test func-21.5 {
sl@0:   execsql {
sl@0:     SELECT typeof(replace("This is the main test string", "main", NULL));
sl@0:   }
sl@0: } {null}
sl@0: do_test func-21.6 {
sl@0:   execsql {
sl@0:     SELECT replace("This is the main test string", "main", "ALT");
sl@0:   }
sl@0: } {{This is the ALT test string}}
sl@0: do_test func-21.7 {
sl@0:   execsql {
sl@0:     SELECT replace("This is the main test string", "main", "larger-main");
sl@0:   }
sl@0: } {{This is the larger-main test string}}
sl@0: do_test func-21.8 {
sl@0:   execsql {
sl@0:     SELECT replace("aaaaaaa", "a", "0123456789");
sl@0:   }
sl@0: } {0123456789012345678901234567890123456789012345678901234567890123456789}
sl@0: 
sl@0: ifcapable tclvar {
sl@0:   do_test func-21.9 {
sl@0:     # Attempt to exploit a buffer-overflow that at one time existed 
sl@0:     # in the REPLACE function. 
sl@0:     set ::str "[string repeat A 29998]CC[string repeat A 35537]"
sl@0:     set ::rep [string repeat B 65536]
sl@0:     execsql {
sl@0:       SELECT LENGTH(REPLACE($::str, 'C', $::rep));
sl@0:     }
sl@0:   } [expr 29998 + 2*65536 + 35537]
sl@0: }
sl@0: 
sl@0: # Tests for the TRIM, LTRIM and RTRIM functions.
sl@0: #
sl@0: do_test func-22.1 {
sl@0:   catchsql {SELECT trim(1,2,3)}
sl@0: } {1 {wrong number of arguments to function trim()}}
sl@0: do_test func-22.2 {
sl@0:   catchsql {SELECT ltrim(1,2,3)}
sl@0: } {1 {wrong number of arguments to function ltrim()}}
sl@0: do_test func-22.3 {
sl@0:   catchsql {SELECT rtrim(1,2,3)}
sl@0: } {1 {wrong number of arguments to function rtrim()}}
sl@0: do_test func-22.4 {
sl@0:   execsql {SELECT trim('  hi  ');}
sl@0: } {hi}
sl@0: do_test func-22.5 {
sl@0:   execsql {SELECT ltrim('  hi  ');}
sl@0: } {{hi  }}
sl@0: do_test func-22.6 {
sl@0:   execsql {SELECT rtrim('  hi  ');}
sl@0: } {{  hi}}
sl@0: do_test func-22.7 {
sl@0:   execsql {SELECT trim('  hi  ','xyz');}
sl@0: } {{  hi  }}
sl@0: do_test func-22.8 {
sl@0:   execsql {SELECT ltrim('  hi  ','xyz');}
sl@0: } {{  hi  }}
sl@0: do_test func-22.9 {
sl@0:   execsql {SELECT rtrim('  hi  ','xyz');}
sl@0: } {{  hi  }}
sl@0: do_test func-22.10 {
sl@0:   execsql {SELECT trim('xyxzy  hi  zzzy','xyz');}
sl@0: } {{  hi  }}
sl@0: do_test func-22.11 {
sl@0:   execsql {SELECT ltrim('xyxzy  hi  zzzy','xyz');}
sl@0: } {{  hi  zzzy}}
sl@0: do_test func-22.12 {
sl@0:   execsql {SELECT rtrim('xyxzy  hi  zzzy','xyz');}
sl@0: } {{xyxzy  hi  }}
sl@0: do_test func-22.13 {
sl@0:   execsql {SELECT trim('  hi  ','');}
sl@0: } {{  hi  }}
sl@0: if {[db one {PRAGMA encoding}]=="UTF-8"} {
sl@0:   do_test func-22.14 {
sl@0:     execsql {SELECT hex(trim(x'c280e1bfbff48fbfbf6869',x'6162e1bfbfc280'))}
sl@0:   } {F48FBFBF6869}
sl@0:   do_test func-22.15 {
sl@0:     execsql {SELECT hex(trim(x'6869c280e1bfbff48fbfbf61',
sl@0:                              x'6162e1bfbfc280f48fbfbf'))}
sl@0:   } {6869}
sl@0:   do_test func-22.16 {
sl@0:     execsql {SELECT hex(trim(x'ceb1ceb2ceb3',x'ceb1'));}
sl@0:   } {CEB2CEB3}
sl@0: }
sl@0: do_test func-22.20 {
sl@0:   execsql {SELECT typeof(trim(NULL));}
sl@0: } {null}
sl@0: do_test func-22.21 {
sl@0:   execsql {SELECT typeof(trim(NULL,'xyz'));}
sl@0: } {null}
sl@0: do_test func-22.22 {
sl@0:   execsql {SELECT typeof(trim('hello',NULL));}
sl@0: } {null}
sl@0: 
sl@0: # This is to test the deprecated sqlite3_aggregate_count() API.
sl@0: #
sl@0: do_test func-23.1 {
sl@0:   sqlite3_create_aggregate db
sl@0:   execsql {
sl@0:     SELECT legacy_count() FROM t6;
sl@0:   }
sl@0: } {3}
sl@0: 
sl@0: # The group_concat() function.
sl@0: #
sl@0: do_test func-24.1 {
sl@0:   execsql {
sl@0:     SELECT group_concat(t1) FROM tbl1
sl@0:   }
sl@0: } {this,program,is,free,software}
sl@0: do_test func-24.2 {
sl@0:   execsql {
sl@0:     SELECT group_concat(t1,' ') FROM tbl1
sl@0:   }
sl@0: } {{this program is free software}}
sl@0: do_test func-24.3 {
sl@0:   execsql {
sl@0:     SELECT group_concat(t1,' ' || rowid || ' ') FROM tbl1
sl@0:   }
sl@0: } {{this 2 program 3 is 4 free 5 software}}
sl@0: do_test func-24.4 {
sl@0:   execsql {
sl@0:     SELECT group_concat(NULL,t1) FROM tbl1
sl@0:   }
sl@0: } {{}}
sl@0: do_test func-24.5 {
sl@0:   execsql {
sl@0:     SELECT group_concat(t1,NULL) FROM tbl1
sl@0:   }
sl@0: } {thisprogramisfreesoftware}
sl@0: do_test func-24.6 {
sl@0:   execsql {
sl@0:     SELECT 'BEGIN-'||group_concat(t1) FROM tbl1
sl@0:   }
sl@0: } {BEGIN-this,program,is,free,software}
sl@0: unset -nocomplain midargs
sl@0: set midargs {}
sl@0: unset -nocomplain midres
sl@0: set midres {}
sl@0: unset -nocomplain result
sl@0: for {set i 1} {$i<[sqlite3_limit db SQLITE_LIMIT_FUNCTION_ARG -1]-1} {incr i} {
sl@0:   append midargs ,'/$i'
sl@0:   append midres /$i
sl@0:   set result \
sl@0:      "this$midres:program$midres:is$midres:free$midres:software$midres"
sl@0:   set sql "SELECT group_concat(t1$midargs,':') FROM tbl1"
sl@0:   do_test func-24.7.$i {
sl@0:      db eval $::sql
sl@0:   } $result
sl@0: }
sl@0: 
sl@0: # Use the test_isolation function to make sure that type conversions
sl@0: # on function arguments do not effect subsequent arguments.
sl@0: #
sl@0: do_test func-25.1 {
sl@0:   execsql {SELECT test_isolation(t1,t1) FROM tbl1}
sl@0: } {this program is free software}
sl@0: 
sl@0: # Try to misuse the sqlite3_create_function() interface.  Verify that
sl@0: # errors are returned.
sl@0: #
sl@0: do_test func-26.1 {
sl@0:   abuse_create_function db
sl@0: } {}
sl@0: 
sl@0: # The previous test (func-26.1) registered a function with a very long
sl@0: # function name that takes many arguments and always returns NULL.  Verify
sl@0: # that this function works correctly.
sl@0: #
sl@0: do_test func-26.2 {
sl@0:   set a {}
sl@0:   for {set i 1} {$i<=$::SQLITE_MAX_FUNCTION_ARG} {incr i} {
sl@0:     lappend a $i
sl@0:   }
sl@0:   db eval "
sl@0:      SELECT nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789([join $a ,]);
sl@0:   "
sl@0: } {{}}
sl@0: do_test func-26.3 {
sl@0:   set a {}
sl@0:   for {set i 1} {$i<=$::SQLITE_MAX_FUNCTION_ARG+1} {incr i} {
sl@0:     lappend a $i
sl@0:   }
sl@0:   catchsql "
sl@0:      SELECT nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789([join $a ,]);
sl@0:   "
sl@0: } {1 {too many arguments on function nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789}}
sl@0: do_test func-26.4 {
sl@0:   set a {}
sl@0:   for {set i 1} {$i<=$::SQLITE_MAX_FUNCTION_ARG-1} {incr i} {
sl@0:     lappend a $i
sl@0:   }
sl@0:   catchsql "
sl@0:      SELECT nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789([join $a ,]);
sl@0:   "
sl@0: } {1 {wrong number of arguments to function nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789()}}
sl@0: do_test func-26.5 {
sl@0:   catchsql "
sl@0:      SELECT nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_12345678a(0);
sl@0:   "
sl@0: } {1 {no such function: nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_12345678a}}
sl@0: do_test func-26.6 {
sl@0:   catchsql "
sl@0:      SELECT nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789a(0);
sl@0:   "
sl@0: } {1 {no such function: nullx_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789_123456789a}}
sl@0: 
sl@0: finish_test