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tests: Expand conformance/basic with more arith checks

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Check various specials that we can't optimize and division by large power of two.
This commit is contained in:
Arseny Kapoulkine 2024-11-26 21:26:46 +09:00
parent 434c8f2c42
commit fb56d8b0ec
1 changed files with 11 additions and 2 deletions
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9
tests/conformance/basic.lua
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@ -92,6 +92,15 @@ assert((function() local a = 1 a = a - 2 return a end)() == -1)
assert((function() local a = 1 a = a * 2 return a end)() == 2)
assert((function() local a = 1 a = a / 2 return a end)() == 0.5)
-- binary ops with fp specials, neg zero, large constants
-- argument is passed into anonymous function to prevent constant folding
assert((function(a) return tostring(a + 0) end)(-0) == "0")
assert((function(a) return tostring(a - 0) end)(-0) == "-0")
assert((function(a) return tostring(a - a) end)(1 / 0) == "nan")
assert((function(a) return tostring(a * 0) end)(0 / 0) == "nan")
assert((function(a) return tostring(a / (2^1000)) end)(2^1000) == "1")
assert((function(a) return tostring(a / (2^-1000)) end)(2^-1000) == "1")
-- floor division should always round towards -Infinity
assert((function() local a = 1 a = a // 2 return a end)() == 0)
assert((function() local a = 3 a = a // 2 return a end)() == 1)