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4086a8909b
Also moved those tests under the IR test directory, so I'm less likely to forget them next time.
50 lines
2.4 KiB
Plaintext
50 lines
2.4 KiB
Plaintext
import cpp
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import semmle.code.cpp.ir.internal.IntegerConstant as Ints
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bindingset[n]
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string resultString(int n) {
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if Ints::hasValue(n) then
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result = n.toString()
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else
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result = "unknown"
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}
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from string expr, int res
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where
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expr = "0 + 0" and res = Ints::add(0, 0) or
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expr = "0 + INT_MAX" and res = Ints::add(0, Ints::maxValue()) or
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expr = "0 + -INT_MAX" and res = Ints::add(0, Ints::minValue()) or
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expr = "1 + INT_MAX" and res = Ints::add(1, Ints::maxValue()) or
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expr = "1 + -INT_MAX" and res = Ints::add(1, Ints::minValue()) or
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expr = "unknown + unknown" and res = Ints::add(Ints::unknown(), Ints::unknown()) or
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expr = "5 + unknown" and res = Ints::add(5, Ints::unknown()) or
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expr = "unknown + 5" and res = Ints::add(Ints::unknown(), 5) or
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expr = "0 - INT_MAX" and res = Ints::sub(0, Ints::maxValue()) or
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expr = "0 - -INT_MAX" and res = Ints::sub(0, Ints::minValue()) or
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expr = "-1 - INT_MAX" and res = Ints::sub(-1, Ints::maxValue()) or
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expr = "-1 - -INT_MAX" and res = Ints::sub(-1, Ints::minValue()) or
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expr = "unknown - unknown" and res = Ints::sub(Ints::unknown(), Ints::unknown()) or
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expr = "5 - unknown" and res = Ints::sub(5, Ints::unknown()) or
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expr = "unknown - 5" and res = Ints::sub(Ints::unknown(), 5) or
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expr = "0 * 0" and res = Ints::mul(0, 0) or
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expr = "5 * 7" and res = Ints::mul(5, 7) or
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expr = "0 * INT_MAX" and res = Ints::mul(0, Ints::maxValue()) or
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expr = "2 * INT_MAX" and res = Ints::mul(2, Ints::maxValue()) or
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expr = "-1 * -INT_MAX" and res = Ints::mul(-1, Ints::minValue()) or
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expr = "INT_MAX * INT_MAX" and res = Ints::mul(Ints::maxValue(), Ints::maxValue()) or
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expr = "0 * unknown" and res = Ints::mul(0, Ints::unknown()) or
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expr = "35 / 7" and res = Ints::div(35, 7) or
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expr = "35 / 8" and res = Ints::div(35, 8) or
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expr = "35 / -7" and res = Ints::div(35, -7) or
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expr = "35 / -8" and res = Ints::div(35, -8) or
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expr = "-35 / 7" and res = Ints::div(-35, 7) or
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expr = "-35 / 8" and res = Ints::div(-35, 8) or
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expr = "-35 / -7" and res = Ints::div(-35, -7) or
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expr = "-35 / -8" and res = Ints::div(-35, -8) or
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expr = "0 / -INT_MAX" and res = Ints::div(0, Ints::minValue()) or
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expr = "INT_MAX / 0" and res = Ints::div(Ints::maxValue(), 0) or
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expr = "0 / unknown" and res = Ints::div(0, Ints::unknown()) or
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expr = "unknown / 3" and res = Ints::div(Ints::unknown(), 3) or
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expr = "unknown / unknown" and res = Ints::div(Ints::unknown(), Ints::unknown())
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select expr, resultString(res)
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