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Add tests for arithmetic overflow.

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This commit is contained in:
Dianne Skoll
2021-02-15 16:35:23 -05:00
parent ef88b844fb
commit ba51bdf258
2 changed files with 99 additions and 0 deletions
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79
tests/test.cmp
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@@ -3043,6 +3043,85 @@ coerce("DATETIME", "2020-05-05@12:45") => 2020-05-05@12:45
set x coerce("DATETIME", "2020-05-05@1:45pm")
coerce("DATETIME", "2020-05-05@1:45pm") => 2020-05-05@13:45
# Overflow - these tests only work on machines
# with 32-bit integers. You may get test failures
# on machines with 16- or 64-bit ints.
set a $IntMin - 1
$IntMin => -2147483648
-2147483648 - 1 => Number too high
../tests/test.rem(539): `-': Number too high
set a $IntMin - $IntMax
$IntMin => -2147483648
$IntMax => 2147483647
-2147483648 - 2147483647 => Number too high
../tests/test.rem(540): `-': Number too high
set a $IntMax - $IntMin
$IntMax => 2147483647
$IntMin => -2147483648
2147483647 - -2147483648 => Number too high
../tests/test.rem(541): `-': Number too high
set a $IntMax - (-1)
$IntMax => 2147483647
- 1 => -1
2147483647 - -1 => Number too high
../tests/test.rem(542): `-': Number too high
set a $IntMax + 1
$IntMax => 2147483647
2147483647 + 1 => Number too high
../tests/test.rem(543): `+': Number too high
set a $IntMax + $IntMax
$IntMax => 2147483647
$IntMax => 2147483647
2147483647 + 2147483647 => Number too high
../tests/test.rem(544): `+': Number too high
set a $IntMin + (-1)
$IntMin => -2147483648
- 1 => -1
-2147483648 + -1 => Number too high
../tests/test.rem(545): `+': Number too high
set a $IntMin + $IntMin
$IntMin => -2147483648
$IntMin => -2147483648
-2147483648 + -2147483648 => Number too high
../tests/test.rem(546): `+': Number too high
set a $IntMax * 2
$IntMax => 2147483647
2147483647 * 2 => Number too high
../tests/test.rem(547): `*': Number too high
set a $IntMax * $IntMax
$IntMax => 2147483647
$IntMax => 2147483647
2147483647 * 2147483647 => Number too high
../tests/test.rem(548): `*': Number too high
set a $IntMax * $IntMin
$IntMax => 2147483647
$IntMin => -2147483648
2147483647 * -2147483648 => Number too high
../tests/test.rem(549): `*': Number too high
set a $IntMin * 2
$IntMin => -2147483648
-2147483648 * 2 => Number too high
../tests/test.rem(550): `*': Number too high
set a $IntMin * $IntMin
$IntMin => -2147483648
$IntMin => -2147483648
-2147483648 * -2147483648 => Number too high
../tests/test.rem(551): `*': Number too high
set a $IntMin * $IntMax
$IntMin => -2147483648
$IntMax => 2147483647
-2147483648 * 2147483647 => Number too high
../tests/test.rem(552): `*': Number too high
set a $IntMin / (-1)
$IntMin => -2147483648
- 1 => -1
-2147483648 / -1 => Number too high
../tests/test.rem(553): `/': Number too high
set a abs($IntMin)
$IntMin => -2147483648
abs(-2147483648) => Number too high
../tests/test.rem(554): Number too high
# Don't want Remind to queue reminders
EXIT

20
tests/test.rem
View File

@@ -533,6 +533,26 @@ set x coerce("DATETIME", "2020-05-05@12:45am")
set x coerce("DATETIME", "2020-05-05@12:45")
set x coerce("DATETIME", "2020-05-05@1:45pm")
# Overflow - these tests only work on machines
# with 32-bit integers. You may get test failures
# on machines with 16- or 64-bit ints.
set a $IntMin - 1
set a $IntMin - $IntMax
set a $IntMax - $IntMin
set a $IntMax - (-1)
set a $IntMax + 1
set a $IntMax + $IntMax
set a $IntMin + (-1)
set a $IntMin + $IntMin
set a $IntMax * 2
set a $IntMax * $IntMax
set a $IntMax * $IntMin
set a $IntMin * 2
set a $IntMin * $IntMin
set a $IntMin * $IntMax
set a $IntMin / (-1)
set a abs($IntMin)
# Don't want Remind to queue reminders
EXIT