1# 2021 February 15 2# 3# The author disclaims copyright to this source code. In place of 4# a legal notice, here is a blessing: 5# 6# May you do good and not evil. 7# May you find forgiveness for yourself and forgive others. 8# May you share freely, never taking more than you give. 9# 10#*********************************************************************** 11# This file implements regression tests for SQLite library. The 12# focus of this file is testing the sqlite3_column_count() API. 13# 14 15set testdir [file dirname $argv0] 16source $testdir/tester.tcl 17set testprefix columncount 18 19proc do_ccsql_test {tn sql res} { 20 21 uplevel [list do_test $tn [subst -nocommands { 22 set stmt [sqlite3_prepare_v2 db {$sql} -1 dummy] 23 set res [sqlite3_column_count [set stmt]] 24 while {[sqlite3_step [set stmt]]=="SQLITE_ROW"} { 25 for {set i 0} {[set i] < [sqlite3_data_count [set stmt]]} {incr i} { 26 lappend res [sqlite3_column_text [set stmt] [set i]] 27 } 28 } 29 30 set rc [sqlite3_finalize [set stmt]] 31 if {[set rc]!="SQLITE_OK"} { 32 error [sqlite3_errmsg db] 33 } 34 35 set res 36 }] [list {*}$res]] 37 38} 39 40do_execsql_test 1.0 { 41 CREATE TABLE t1(x, y, z); 42 INSERT INTO t1 VALUES('a', 'b', 'c'); 43} 44 45do_ccsql_test 1.1 { SELECT * FROM t1 } {3 a b c} 46do_ccsql_test 1.2 { CREATE TABLE t2(a, b) } {0} 47 48do_ccsql_test 1.3 { ALTER TABLE t2 RENAME TO t3 } {0} 49do_ccsql_test 1.4 { ALTER TABLE t3 RENAME b TO ccc } {0} 50do_ccsql_test 1.5 { ALTER TABLE t3 ADD COLUMN d } {0} 51 52do_ccsql_test 1.6 { DROP TABLE t3 } {0} 53 54 55 56finish_test 57