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Detect integer overflow in the abs() function. The random() function

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now provides 64 bits of randomness instead of just 32.  Fix bugs in
testing logic of test4.c. (CVS 3108)

FossilOrigin-Name: 942c509595a2a300e798e6b048ad7fc3bc54af43
This commit is contained in:
drh
2006-02-23 21:43:55 +00:00
parent fcce93f62c
commit 52fc849a3c
5 changed files with 38 additions and 18 deletions
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16
test/func.test
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@ -11,7 +11,7 @@
# This file implements regression tests for SQLite library. The
# focus of this file is testing built-in functions.
#
# $Id: func.test,v 1.48 2006/02/11 17:34:01 drh Exp $
# $Id: func.test,v 1.49 2006/02/23 21:43:56 drh Exp $
set testdir [file dirname $argv0]
source $testdir/tester.tcl
@ -622,5 +622,19 @@ do_test func-18.22 {
}
} {0 1}
# Integer overflow on abs()
#
do_test func-18.31 {
catchsql {
SELECT abs(-9223372036854775807);
}
} {0 9223372036854775807}
do_test func-18.32 {
catchsql {
SELECT abs(-9223372036854775807-1);
}
} {1 {integer overflow}}
finish_test