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Diffstat (limited to 'ext/rtree/rtreeA.test')
| -rw-r--r-- | ext/rtree/rtreeA.test | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/ext/rtree/rtreeA.test b/ext/rtree/rtreeA.test new file mode 100644 index 0000000..e377b01 --- /dev/null +++ b/ext/rtree/rtreeA.test @@ -0,0 +1,220 @@ +# 2010 September 22 +# +# 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. +# +#*********************************************************************** +# This file contains tests for the r-tree module. Specifically, it tests +# that corrupt or inconsistent databases do not cause crashes in the r-tree +# module. +# + +if {![info exists testdir]} { + set testdir [file join [file dirname [info script]] .. .. test] +} +source $testdir/tester.tcl +ifcapable !rtree { finish_test ; return } + +proc create_t1 {} { + db close + forcedelete test.db + sqlite3 db test.db + execsql { + PRAGMA page_size = 1024; + CREATE VIRTUAL TABLE t1 USING rtree(id, x1, x2, y1, y2); + } +} +proc populate_t1 {} { + execsql BEGIN + for {set i 0} {$i < 500} {incr i} { + set x2 [expr $i+5] + set y2 [expr $i+5] + execsql { INSERT INTO t1 VALUES($i, $i, $x2, $i, $y2) } + } + execsql COMMIT +} + +proc truncate_node {nodeno nTrunc} { + set blob [db one {SELECT data FROM t1_node WHERE nodeno=$nodeno}] + if {$nTrunc<0} {set nTrunc "end-$nTrunc"} + set blob [string range $blob 0 $nTrunc] + db eval { UPDATE t1_node SET data = $blob WHERE nodeno=$nodeno } +} + +proc set_tree_depth {tbl {newvalue ""}} { + set blob [db one "SELECT data FROM ${tbl}_node WHERE nodeno=1"] + + if {$newvalue == ""} { + binary scan $blob Su oldvalue + return $oldvalue + } + + set blob [binary format Sua* $newvalue [string range $blob 2 end]] + db eval "UPDATE ${tbl}_node SET data = \$blob WHERE nodeno=1" + return [set_tree_depth $tbl] +} + +proc set_entry_count {tbl nodeno {newvalue ""}} { + set blob [db one "SELECT data FROM ${tbl}_node WHERE nodeno=$nodeno"] + + if {$newvalue == ""} { + binary scan [string range $blob 2 end] Su oldvalue + return $oldvalue + } + + set blob [binary format a*Sua* \ + [string range $blob 0 1] $newvalue [string range $blob 4 end] + ] + db eval "UPDATE ${tbl}_node SET data = \$blob WHERE nodeno=$nodeno" + return [set_entry_count $tbl $nodeno] +} + + +proc do_corruption_tests {prefix args} { + set testarray [lindex $args end] + set errormsg {database disk image is malformed} + + foreach {z value} [lrange $args 0 end-1] { + set n [string length $z] + if {$n>=2 && [string equal -length $n $z "-error"]} { + set errormsg $value + } + } + + foreach {tn sql} $testarray { + do_catchsql_test $prefix.$tn $sql [list 1 $errormsg] + } +} + +#------------------------------------------------------------------------- +# Test the libraries response if the %_node table is completely empty +# (i.e. the root node is missing), or has been removed from the database +# entirely. +# +create_t1 +populate_t1 +do_execsql_test rtreeA-1.0 { + DELETE FROM t1_node; +} {} + +do_corruption_tests rtreeA-1.1 { + 1 "SELECT * FROM t1" + 2 "SELECT * FROM t1 WHERE rowid=5" + 3 "INSERT INTO t1 VALUES(1000, 1, 2, 3, 4)" + 4 "SELECT * FROM t1 WHERE x1<10 AND x2>12" +} + +do_execsql_test rtreeA-1.2.0 { DROP TABLE t1_node } {} +do_corruption_tests rtreeA-1.2 -error "SQL logic error or missing database" { + 1 "SELECT * FROM t1" + 2 "SELECT * FROM t1 WHERE rowid=5" + 3 "INSERT INTO t1 VALUES(1000, 1, 2, 3, 4)" + 4 "SELECT * FROM t1 WHERE x1<10 AND x2>12" +} + +#------------------------------------------------------------------------- +# Test the libraries response if some of the entries in the %_node table +# are the wrong size. +# +create_t1 +populate_t1 +do_test rtreeA-2.1.0 { + set nodes [db eval {select nodeno FROM t1_node}] + foreach {a b c} $nodes { truncate_node $c 200 } +} {} +do_corruption_tests rtreeA-2.1 { + 1 "SELECT * FROM t1" + 2 "SELECT * FROM t1 WHERE rowid=5" + 3 "INSERT INTO t1 VALUES(1000, 1, 2, 3, 4)" + 4 "SELECT * FROM t1 WHERE x1<10 AND x2>12" +} + +create_t1 +populate_t1 +do_test rtreeA-2.2.0 { truncate_node 1 200 } {} +do_corruption_tests rtreeA-2.2 { + 1 "SELECT * FROM t1" + 2 "SELECT * FROM t1 WHERE rowid=5" + 3 "INSERT INTO t1 VALUES(1000, 1, 2, 3, 4)" + 4 "SELECT * FROM t1 WHERE x1<10 AND x2>12" +} + +#------------------------------------------------------------------------- +# Set the "depth" of the tree stored on the root node incorrectly. Test +# that this does not cause any problems. +# +create_t1 +populate_t1 +do_test rtreeA-3.1.0.1 { set_tree_depth t1 } {1} +do_test rtreeA-3.1.0.2 { set_tree_depth t1 3 } {3} +do_corruption_tests rtreeA-3.1 { + 1 "SELECT * FROM t1" + 2 "SELECT * FROM t1 WHERE rowid=5" + 3 "INSERT INTO t1 VALUES(1000, 1, 2, 3, 4)" +} + +do_test rtreeA-3.2.0 { set_tree_depth t1 1000 } {1000} +do_corruption_tests rtreeA-3.2 { + 1 "SELECT * FROM t1" + 2 "SELECT * FROM t1 WHERE rowid=5" + 3 "INSERT INTO t1 VALUES(1000, 1, 2, 3, 4)" +} + +create_t1 +populate_t1 +do_test rtreeA-3.3.0 { + execsql { DELETE FROM t1 WHERE rowid = 0 } + set_tree_depth t1 65535 +} {65535} +do_corruption_tests rtreeA-3.3 { + 1 "SELECT * FROM t1" + 2 "SELECT * FROM t1 WHERE rowid=5" + 3 "INSERT INTO t1 VALUES(1000, 1, 2, 3, 4)" +} + +#------------------------------------------------------------------------- +# Set the "number of entries" field on some nodes incorrectly. +# +create_t1 +populate_t1 +do_test rtreeA-4.1.0 { + set_entry_count t1 1 4000 +} {4000} +do_corruption_tests rtreeA-4.1 { + 1 "SELECT * FROM t1" + 2 "SELECT * FROM t1 WHERE rowid=5" + 3 "INSERT INTO t1 VALUES(1000, 1, 2, 3, 4)" + 4 "SELECT * FROM t1 WHERE x1<10 AND x2>12" +} + +#------------------------------------------------------------------------- +# Remove entries from the %_parent table and check that this does not +# cause a crash. +# +create_t1 +populate_t1 +do_execsql_test rtreeA-5.1.0 { DELETE FROM t1_parent } {} +do_corruption_tests rtreeA-5.1 { + 1 "DELETE FROM t1 WHERE rowid = 5" + 2 "DELETE FROM t1" +} + +#------------------------------------------------------------------------- +# Add some bad entries to the %_parent table. +# +create_t1 +populate_t1 +do_execsql_test rtreeA-6.1.0 { + UPDATE t1_parent set parentnode = parentnode+1 +} {} +do_corruption_tests rtreeA-6.1 { + 1 "DELETE FROM t1 WHERE rowid = 5" + 2 "UPDATE t1 SET x1=x1+1, x2=x2+1" +} + + +finish_test |