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Improvements to parser stack overflow testing.

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[forum:/forumpost/99e181b5bf|Forum post 99e181b5bf].

FossilOrigin-Name: 556c43a937f1d1c19117da24e6d892852241189f4e47e1c86aa1e8c36461c5de
This commit is contained in:
drh 2024-01-27 20:17:05 +00:00
parent 21bdfe5884
commit 052f0a95d0
3 changed files with 25 additions and 13 deletions
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12
manifest
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@ -1,5 +1,5 @@
C Performance\senhancements\sto\sthe\sparser\stemplate.
D 2024-01-27T12:47:51.250
C Improvements\sto\sparser\sstack\soverflow\stesting.\n[forum:/forumpost/99e181b5bf|Forum\spost\s99e181b5bf].
D 2024-01-27T20:17:05.552
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F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -1413,7 +1413,7 @@ F test/misc1.test 8d138a4926ab90617c1aa29ce26e7785ae2b83a4d3a195d543b7374e05589d
F test/misc2.test 71e746af479119386ac2ed7ab7d81d99970e75b49ffd3e8efffee100b4b5f350
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F test/misc5.test 48de5f4220ff1a27922b14b8cf1b977f73c5a49f82b2ccd66bd86c0e53c447d4
F test/misc5.test 027cf0ac10314ea534173f335a33bb4059907ddabbac2c16786766d6f26c8923
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F test/misc7.test d912f3d45c2989191b797504a220ca225d6be80b21acad22ba0d35f4a9ee4579
F test/misc8.test 4db9f8be59834cea08c87e9658014080efa02678ef54a088f84fa5647e81fee0
@ -2161,8 +2161,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
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test/misc5.test
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@ -569,11 +569,11 @@ ifcapable subquery&&compound {
}
# Overflow the lemon parser stack by providing an overly complex
# expression. Make sure that the overflow is detected and reported.
# expression. Make sure that the overflow is detected and the
# stack is grown automatically such that the application calling
# SQLite never notices.
#
# This test fails when building with -DYYSTACKDEPTH=0
#
do_test misc5-7.1 {
do_test misc5-7.1.1 {
execsql {CREATE TABLE t1(x)}
set sql "INSERT INTO t1 VALUES("
set tail ""
@ -581,9 +581,21 @@ do_test misc5-7.1 {
append sql "(1+"
append tail ")"
}
append sql 2$tail)
append sql "0$tail); SELECT * FROM t1;"
catchsql $sql
} {0 {}}
} {0 200}
do_test misc5-7.1.2 {
execsql {DELETE FROM t1}
set sql "INSERT INTO t1 VALUES("
set tail ""
for {set i 0} {$i<900} {incr i} {
append sql "(1+"
append tail ")"
}
append sql "0$tail); SELECT * FROM t1;"
catchsql $sql
} {0 900}
# Parser stack overflow is silently ignored when it occurs while parsing the
# schema and PRAGMA writable_schema is turned on.