117 lines
2.9 KiB
Plaintext
117 lines
2.9 KiB
Plaintext
# 2008 June 18
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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.
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#
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# This file is devoted to testing the sqlite3_next_stmt and
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# sqlite3_stmt_readonly interfaces.
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#
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# $Id: capi3d.test,v 1.2 2008/07/14 15:11:20 drh Exp $
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#
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set testdir [file dirname $argv0]
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source $testdir/tester.tcl
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# Create N prepared statements against database connection db
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# and return a list of all the generated prepared statements.
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#
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proc make_prepared_statements {N} {
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set plist {}
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for {set i 0} {$i<$N} {incr i} {
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set sql "SELECT $i FROM sqlite_master WHERE name LIKE '%$i%'"
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if {rand()<0.33} {
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set s [sqlite3_prepare_v2 db $sql -1 notused]
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} else {
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ifcapable utf16 {
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if {rand()<0.5} {
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set sql [encoding convertto unicode $sql]\x00\x00
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set s [sqlite3_prepare16 db $sql -1 notused]
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} else {
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set s [sqlite3_prepare db $sql -1 notused]
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}
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}
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ifcapable !utf16 {
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set s [sqlite3_prepare db $sql -1 notused]
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}
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}
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lappend plist $s
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}
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return $plist
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}
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# Scramble the $inlist into a random order.
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#
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proc scramble {inlist} {
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set y {}
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foreach x $inlist {
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lappend y [list [expr {rand()}] $x]
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}
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set y [lsort $y]
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set outlist {}
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foreach x $y {
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lappend outlist [lindex $x 1]
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}
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return $outlist
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}
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# Database initially has no prepared statements.
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#
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do_test capi3d-1.1 {
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db cache flush
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sqlite3_next_stmt db 0
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} {}
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# Run the following tests for between 1 and 100 prepared statements.
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#
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for {set i 1} {$i<=100} {incr i} {
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set stmtlist [make_prepared_statements $i]
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do_test capi3d-1.2.$i.1 {
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set p [sqlite3_next_stmt db 0]
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set x {}
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while {$p!=""} {
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lappend x $p
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set p [sqlite3_next_stmt db $p]
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}
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lsort $x
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} [lsort $stmtlist]
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do_test capi3-1.2.$i.2 {
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foreach p [scramble $::stmtlist] {
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sqlite3_finalize $p
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}
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sqlite3_next_stmt db 0
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} {}
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}
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# Tests for the is-read-only interface.
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#
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proc test_is_readonly {testname sql truth} {
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do_test $testname [format {
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set DB [sqlite3_connection_pointer db]
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set STMT [sqlite3_prepare $DB {%s} -1 TAIL]
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set rc [sqlite3_stmt_readonly $STMT]
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sqlite3_finalize $STMT
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set rc
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} $sql] $truth
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}
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test_is_readonly capi3d-2.1 {SELECT * FROM sqlite_master} 1
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test_is_readonly capi3d-2.2 {CREATE TABLE t1(x)} 0
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db eval {CREATE TABLE t1(x)}
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test_is_readonly capi3d-2.3 {INSERT INTO t1 VALUES(5)} 0
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test_is_readonly capi3d-2.4 {UPDATE t1 SET x=x+1 WHERE x<0} 0
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test_is_readonly capi3d-2.5 {SELECT * FROM t1} 1
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do_test capi3-2.99 {
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sqlite3_stmt_readonly 0
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} 1
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finish_test
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