| Index: third_party/sqlite/sqlite-src-3080704/test/index5.test
|
| diff --git a/third_party/sqlite/sqlite-src-3080704/test/index5.test b/third_party/sqlite/sqlite-src-3080704/test/index5.test
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..e369d75717e48e6b0c26cc618f85b7183618e548
|
| --- /dev/null
|
| +++ b/third_party/sqlite/sqlite-src-3080704/test/index5.test
|
| @@ -0,0 +1,78 @@
|
| +# 2012 August 6
|
| +#
|
| +# The author disclaims copyright to this source code. In place of
|
| +# a legal notice, here is a blessing:
|
| +#
|
| +# May you do good and not evil.
|
| +# May you find forgiveness for yourself and forgive others.
|
| +# May you share freely, never taking more than you give.
|
| +#
|
| +#***********************************************************************
|
| +#
|
| +
|
| +
|
| +set testdir [file dirname $argv0]
|
| +source $testdir/tester.tcl
|
| +set ::testprefix index5
|
| +
|
| +do_test 1.1 {
|
| + if {[permutation]=="memsubsys1"} {
|
| + execsql { PRAGMA auto_vacuum = 0; }
|
| + }
|
| + execsql {
|
| + PRAGMA page_size = 1024;
|
| + CREATE TABLE t1(x);
|
| + BEGIN;
|
| + }
|
| + for {set i 0} {$i < 100000} {incr i} {
|
| + execsql { INSERT INTO t1 VALUES(randstr(100,100)) }
|
| + }
|
| + execsql COMMIT
|
| + execsql {
|
| + CREATE INDEX i1 ON t1(x);
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| + DROP INDEX I1;
|
| + PRAGMA main.page_size;
|
| + }
|
| +} {1024}
|
| +
|
| +db close
|
| +testvfs tvfs
|
| +tvfs filter xWrite
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| +tvfs script write_cb
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| +proc write_cb {xCall file handle iOfst args} {
|
| + if {[file tail $file]=="test.db"} {
|
| + lappend ::write_list [expr $iOfst/1024 + 1]
|
| + }
|
| +}
|
| +
|
| +do_test 1.2 {
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| + sqlite3 db test.db -vfs tvfs
|
| + set ::write_list [list]
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| + execsql { CREATE INDEX i1 ON t1(x) }
|
| +} {}
|
| +
|
| +do_test 1.3 {
|
| + set nForward 0
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| + set nBackward 0
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| + set nNoncont 0
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| + set iPrev [lindex $::write_list 0]
|
| + for {set i 1} {$i < [llength $::write_list]} {incr i} {
|
| + set iNext [lindex $::write_list $i]
|
| + if {$iNext==($iPrev+1)} {
|
| + incr nForward
|
| + } elseif {$iNext==($iPrev-1)} {
|
| + incr nBackward
|
| + } else {
|
| + incr nNoncont
|
| + }
|
| + set iPrev $iNext
|
| + }
|
| + puts -nonewline \
|
| + " (forward=$nForward, back=$nBackward, noncontiguous=$nNoncont)"
|
| +
|
| + expr {$nForward > 2*($nBackward + $nNoncont)}
|
| +} {1}
|
| +db close
|
| +tvfs delete
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| +
|
| +finish_test
|
|
|