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Unified Diff: third_party/sqlite/sqlite-src-3080704/test/fuzz_common.tcl

Issue 2363173002: [sqlite] Remove obsolete reference version 3.8.7.4. (Closed)
Patch Set: Created 4 years, 3 months ago
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Index: third_party/sqlite/sqlite-src-3080704/test/fuzz_common.tcl
diff --git a/third_party/sqlite/sqlite-src-3080704/test/fuzz_common.tcl b/third_party/sqlite/sqlite-src-3080704/test/fuzz_common.tcl
deleted file mode 100644
index 4ab7dff5c9ba7256e52e1a45bb1fbb04bffa975d..0000000000000000000000000000000000000000
--- a/third_party/sqlite/sqlite-src-3080704/test/fuzz_common.tcl
+++ /dev/null
@@ -1,391 +0,0 @@
-# 2007 May 10
-#
-# 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.
-#
-#***********************************************************************
-#
-# $Id: fuzz_common.tcl,v 1.2 2009/01/05 19:36:30 drh Exp $
-
-proc fuzz {TemplateList} {
- set n [llength $TemplateList]
- set i [expr {int(rand()*$n)}]
- set r [uplevel 1 subst -novar [list [lindex $TemplateList $i]]]
-
- string map {"\n" " "} $r
-}
-
-# Fuzzy generation primitives:
-#
-# Literal
-# UnaryOp
-# BinaryOp
-# Expr
-# Table
-# Select
-# Insert
-#
-
-# Returns a string representing an SQL literal.
-#
-proc Literal {} {
- set TemplateList {
- 456 0 -456 1 -1
- 2147483648 2147483647 2147483649 -2147483647 -2147483648 -2147483649
- 'The' 'first' 'experiments' 'in' 'hardware' 'fault' 'injection'
- zeroblob(1000)
- NULL
- 56.1 -56.1
- 123456789.1234567899
- }
- fuzz $TemplateList
-}
-
-# Returns a string containing an SQL unary operator (e.g. "+" or "NOT").
-#
-proc UnaryOp {} {
- set TemplateList {+ - NOT ~}
- fuzz $TemplateList
-}
-
-# Returns a string containing an SQL binary operator (e.g. "*" or "/").
-#
-proc BinaryOp {} {
- set TemplateList {
- || * / % + - << >> & | < <= > >= = == != <> AND OR
- LIKE GLOB {NOT LIKE}
- }
- fuzz $TemplateList
-}
-
-# Return the complete text of an SQL expression.
-#
-set ::ExprDepth 0
-proc Expr { {c {}} } {
- incr ::ExprDepth
-
- set TemplateList [concat $c $c $c {[Literal]}]
- if {$::ExprDepth < 3} {
- lappend TemplateList \
- {[Expr $c] [BinaryOp] [Expr $c]} \
- {[UnaryOp] [Expr $c]} \
- {[Expr $c] ISNULL} \
- {[Expr $c] NOTNULL} \
- {CAST([Expr $c] AS blob)} \
- {CAST([Expr $c] AS text)} \
- {CAST([Expr $c] AS integer)} \
- {CAST([Expr $c] AS real)} \
- {abs([Expr])} \
- {coalesce([Expr], [Expr])} \
- {hex([Expr])} \
- {length([Expr])} \
- {lower([Expr])} \
- {upper([Expr])} \
- {quote([Expr])} \
- {random()} \
- {randomblob(min(max([Expr],1), 500))} \
- {typeof([Expr])} \
- {substr([Expr],[Expr],[Expr])} \
- {CASE WHEN [Expr $c] THEN [Expr $c] ELSE [Expr $c] END} \
- {[Literal]} {[Literal]} {[Literal]} \
- {[Literal]} {[Literal]} {[Literal]} \
- {[Literal]} {[Literal]} {[Literal]} \
- {[Literal]} {[Literal]} {[Literal]}
- }
- if {$::SelectDepth < 4} {
- lappend TemplateList \
- {([Select 1])} \
- {[Expr $c] IN ([Select 1])} \
- {[Expr $c] NOT IN ([Select 1])} \
- {EXISTS ([Select 1])} \
- }
- set res [fuzz $TemplateList]
- incr ::ExprDepth -1
- return $res
-}
-
-# Return a valid table name.
-#
-set ::TableList [list]
-proc Table {} {
- set TemplateList [concat sqlite_master $::TableList]
- fuzz $TemplateList
-}
-
-# Return one of:
-#
-# "SELECT DISTINCT", "SELECT ALL" or "SELECT"
-#
-proc SelectKw {} {
- set TemplateList {
- "SELECT DISTINCT"
- "SELECT ALL"
- "SELECT"
- }
- fuzz $TemplateList
-}
-
-# Return a result set for a SELECT statement.
-#
-proc ResultSet {{nRes 0} {c ""}} {
- if {$nRes == 0} {
- set nRes [expr {rand()*2 + 1}]
- }
-
- set aRes [list]
- for {set ii 0} {$ii < $nRes} {incr ii} {
- lappend aRes [Expr $c]
- }
-
- join $aRes ", "
-}
-
-set ::SelectDepth 0
-set ::ColumnList [list]
-proc SimpleSelect {{nRes 0}} {
-
- set TemplateList {
- {[SelectKw] [ResultSet $nRes]}
- }
-
- # The ::SelectDepth variable contains the number of ancestor SELECT
- # statements (i.e. for a top level SELECT it is set to 0, for a
- # sub-select 1, for a sub-select of a sub-select 2 etc.).
- #
- # If this is already greater than 3, do not generate a complicated
- # SELECT statement. This tends to cause parser stack overflow (too
- # boring to bother with).
- #
- if {$::SelectDepth < 4} {
- lappend TemplateList \
- {[SelectKw] [ResultSet $nRes $::ColumnList] FROM ([Select])} \
- {[SelectKw] [ResultSet $nRes] FROM ([Select])} \
- {[SelectKw] [ResultSet $nRes $::ColumnList] FROM [Table]} \
- {
- [SelectKw] [ResultSet $nRes $::ColumnList]
- FROM ([Select])
- GROUP BY [Expr]
- HAVING [Expr]
- } \
-
- if {0 == $nRes} {
- lappend TemplateList \
- {[SelectKw] * FROM ([Select])} \
- {[SelectKw] * FROM [Table]} \
- {[SelectKw] * FROM [Table] WHERE [Expr $::ColumnList]} \
- {
- [SelectKw] *
- FROM [Table],[Table] AS t2
- WHERE [Expr $::ColumnList]
- } {
- [SelectKw] *
- FROM [Table] LEFT OUTER JOIN [Table] AS t2
- ON [Expr $::ColumnList]
- WHERE [Expr $::ColumnList]
- }
- }
- }
-
- fuzz $TemplateList
-}
-
-# Return a SELECT statement.
-#
-# If boolean parameter $isExpr is set to true, make sure the
-# returned SELECT statement returns a single column of data.
-#
-proc Select {{nMulti 0}} {
- set TemplateList {
- {[SimpleSelect $nMulti]} {[SimpleSelect $nMulti]} {[SimpleSelect $nMulti]}
- {[SimpleSelect $nMulti]} {[SimpleSelect $nMulti]} {[SimpleSelect $nMulti]}
- {[SimpleSelect $nMulti]} {[SimpleSelect $nMulti]} {[SimpleSelect $nMulti]}
- {[SimpleSelect $nMulti]} {[SimpleSelect $nMulti]} {[SimpleSelect $nMulti]}
- {[SimpleSelect $nMulti] ORDER BY [Expr] DESC}
- {[SimpleSelect $nMulti] ORDER BY [Expr] ASC}
- {[SimpleSelect $nMulti] ORDER BY [Expr] ASC, [Expr] DESC}
- {[SimpleSelect $nMulti] ORDER BY [Expr] LIMIT [Expr] OFFSET [Expr]}
- }
-
- if {$::SelectDepth < 4} {
- if {$nMulti == 0} {
- set nMulti [expr {(rand()*2)+1}]
- }
- lappend TemplateList \
- {[SimpleSelect $nMulti] UNION [Select $nMulti]} \
- {[SimpleSelect $nMulti] UNION ALL [Select $nMulti]} \
- {[SimpleSelect $nMulti] EXCEPT [Select $nMulti]} \
- {[SimpleSelect $nMulti] INTERSECT [Select $nMulti]}
- }
-
- incr ::SelectDepth
- set res [fuzz $TemplateList]
- incr ::SelectDepth -1
- set res
-}
-
-# Generate and return a fuzzy INSERT statement.
-#
-proc Insert {} {
- set TemplateList {
- {INSERT INTO [Table] VALUES([Expr], [Expr], [Expr]);}
- {INSERT INTO [Table] VALUES([Expr], [Expr], [Expr], [Expr]);}
- {INSERT INTO [Table] VALUES([Expr], [Expr]);}
- }
- fuzz $TemplateList
-}
-
-proc Column {} {
- fuzz $::ColumnList
-}
-
-# Generate and return a fuzzy UPDATE statement.
-#
-proc Update {} {
- set TemplateList {
- {UPDATE [Table]
- SET [Column] = [Expr $::ColumnList]
- WHERE [Expr $::ColumnList]}
- }
- fuzz $TemplateList
-}
-
-proc Delete {} {
- set TemplateList {
- {DELETE FROM [Table] WHERE [Expr $::ColumnList]}
- }
- fuzz $TemplateList
-}
-
-proc Statement {} {
- set TemplateList {
- {[Update]}
- {[Insert]}
- {[Select]}
- {[Delete]}
- }
- fuzz $TemplateList
-}
-
-# Return an identifier. This just chooses randomly from a fixed set
-# of strings.
-proc Identifier {} {
- set TemplateList {
- This just chooses randomly a fixed
- We would also thank the developers
- for their analysis Samba
- }
- fuzz $TemplateList
-}
-
-proc Check {} {
- # Use a large value for $::SelectDepth, because sub-selects are
- # not allowed in expressions used by CHECK constraints.
- #
- set sd $::SelectDepth
- set ::SelectDepth 500
- set TemplateList {
- {}
- {CHECK ([Expr])}
- }
- set res [fuzz $TemplateList]
- set ::SelectDepth $sd
- set res
-}
-
-proc Coltype {} {
- set TemplateList {
- {INTEGER PRIMARY KEY}
- {VARCHAR [Check]}
- {PRIMARY KEY}
- }
- fuzz $TemplateList
-}
-
-proc DropTable {} {
- set TemplateList {
- {DROP TABLE IF EXISTS [Identifier]}
- }
- fuzz $TemplateList
-}
-
-proc CreateView {} {
- set TemplateList {
- {CREATE VIEW [Identifier] AS [Select]}
- }
- fuzz $TemplateList
-}
-proc DropView {} {
- set TemplateList {
- {DROP VIEW IF EXISTS [Identifier]}
- }
- fuzz $TemplateList
-}
-
-proc CreateTable {} {
- set TemplateList {
- {CREATE TABLE [Identifier]([Identifier] [Coltype], [Identifier] [Coltype])}
- {CREATE TEMP TABLE [Identifier]([Identifier] [Coltype])}
- }
- fuzz $TemplateList
-}
-
-proc CreateOrDropTableOrView {} {
- set TemplateList {
- {[CreateTable]}
- {[DropTable]}
- {[CreateView]}
- {[DropView]}
- }
- fuzz $TemplateList
-}
-
-########################################################################
-
-set ::log [open fuzzy.log w]
-
-#
-# Usage: do_fuzzy_test <testname> ?<options>?
-#
-# -template
-# -errorlist
-# -repeats
-#
-proc do_fuzzy_test {testname args} {
- set ::fuzzyopts(-errorlist) [list]
- set ::fuzzyopts(-repeats) $::REPEATS
- array set ::fuzzyopts $args
-
- lappend ::fuzzyopts(-errorlist) {parser stack overflow}
- lappend ::fuzzyopts(-errorlist) {ORDER BY}
- lappend ::fuzzyopts(-errorlist) {GROUP BY}
- lappend ::fuzzyopts(-errorlist) {datatype mismatch}
-
- for {set ii 0} {$ii < $::fuzzyopts(-repeats)} {incr ii} {
- do_test ${testname}.$ii {
- set ::sql [subst $::fuzzyopts(-template)]
- puts $::log $::sql
- flush $::log
- set rc [catch {execsql $::sql} msg]
- set e 1
- if {$rc} {
- set e 0
- foreach error $::fuzzyopts(-errorlist) {
- if {[string first $error $msg]>=0} {
- set e 1
- break
- }
- }
- }
- if {$e == 0} {
- puts ""
- puts $::sql
- puts $msg
- }
- set e
- } {1}
- }
-}
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