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| 1 # 2008 June 18 |
| 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. |
| 12 # |
| 13 # This file is devoted to testing the sqlite3_next_stmt and |
| 14 # sqlite3_stmt_readonly interfaces. |
| 15 # |
| 16 # $Id: capi3d.test,v 1.2 2008/07/14 15:11:20 drh Exp $ |
| 17 # |
| 18 |
| 19 set testdir [file dirname $argv0] |
| 20 source $testdir/tester.tcl |
| 21 |
| 22 # Create N prepared statements against database connection db |
| 23 # and return a list of all the generated prepared statements. |
| 24 # |
| 25 proc make_prepared_statements {N} { |
| 26 set plist {} |
| 27 for {set i 0} {$i<$N} {incr i} { |
| 28 set sql "SELECT $i FROM sqlite_master WHERE name LIKE '%$i%'" |
| 29 if {rand()<0.33} { |
| 30 set s [sqlite3_prepare_v2 db $sql -1 notused] |
| 31 } else { |
| 32 ifcapable utf16 { |
| 33 if {rand()<0.5} { |
| 34 set sql [encoding convertto unicode $sql]\x00\x00 |
| 35 set s [sqlite3_prepare16 db $sql -1 notused] |
| 36 } else { |
| 37 set s [sqlite3_prepare db $sql -1 notused] |
| 38 } |
| 39 } |
| 40 ifcapable !utf16 { |
| 41 set s [sqlite3_prepare db $sql -1 notused] |
| 42 } |
| 43 } |
| 44 lappend plist $s |
| 45 } |
| 46 return $plist |
| 47 } |
| 48 |
| 49 |
| 50 # Scramble the $inlist into a random order. |
| 51 # |
| 52 proc scramble {inlist} { |
| 53 set y {} |
| 54 foreach x $inlist { |
| 55 lappend y [list [expr {rand()}] $x] |
| 56 } |
| 57 set y [lsort $y] |
| 58 set outlist {} |
| 59 foreach x $y { |
| 60 lappend outlist [lindex $x 1] |
| 61 } |
| 62 return $outlist |
| 63 } |
| 64 |
| 65 # Database initially has no prepared statements. |
| 66 # |
| 67 do_test capi3d-1.1 { |
| 68 db cache flush |
| 69 sqlite3_next_stmt db 0 |
| 70 } {} |
| 71 |
| 72 # Run the following tests for between 1 and 100 prepared statements. |
| 73 # |
| 74 for {set i 1} {$i<=100} {incr i} { |
| 75 set stmtlist [make_prepared_statements $i] |
| 76 do_test capi3d-1.2.$i.1 { |
| 77 set p [sqlite3_next_stmt db 0] |
| 78 set x {} |
| 79 while {$p!=""} { |
| 80 lappend x $p |
| 81 set p [sqlite3_next_stmt db $p] |
| 82 } |
| 83 lsort $x |
| 84 } [lsort $stmtlist] |
| 85 do_test capi3-1.2.$i.2 { |
| 86 foreach p [scramble $::stmtlist] { |
| 87 sqlite3_finalize $p |
| 88 } |
| 89 sqlite3_next_stmt db 0 |
| 90 } {} |
| 91 } |
| 92 |
| 93 # Tests for the is-read-only interface. |
| 94 # |
| 95 proc test_is_readonly {testname sql truth} { |
| 96 do_test $testname [format { |
| 97 set DB [sqlite3_connection_pointer db] |
| 98 set STMT [sqlite3_prepare $DB {%s} -1 TAIL] |
| 99 set rc [sqlite3_stmt_readonly $STMT] |
| 100 sqlite3_finalize $STMT |
| 101 set rc |
| 102 } $sql] $truth |
| 103 } |
| 104 |
| 105 test_is_readonly capi3d-2.1 {SELECT * FROM sqlite_master} 1 |
| 106 test_is_readonly capi3d-2.2 {CREATE TABLE t1(x)} 0 |
| 107 db eval {CREATE TABLE t1(x)} |
| 108 test_is_readonly capi3d-2.3 {INSERT INTO t1 VALUES(5)} 0 |
| 109 test_is_readonly capi3d-2.4 {UPDATE t1 SET x=x+1 WHERE x<0} 0 |
| 110 test_is_readonly capi3d-2.5 {SELECT * FROM t1} 1 |
| 111 do_test capi3-2.99 { |
| 112 sqlite3_stmt_readonly 0 |
| 113 } 1 |
| 114 |
| 115 |
| 116 finish_test |
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