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src: introduce type tribool

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This commit is contained in:
Markus F.X.J. Oberhumer
2023-08-15 14:44:50 +02:00
parent 10e759f1f1
commit a9ac4b5e23
51 changed files with 228 additions and 120 deletions
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src/util/util.cpp
+56
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@@ -787,4 +787,60 @@ TEST_CASE("get_ratio") {
CHECK(get_ratio(2 * UPX_RSIZE_MAX, 1024ull * UPX_RSIZE_MAX) == 9999999);
}
template <class T>
struct TestTriBool {
static void test(bool expect_true, int x) noexcept {
CHECK(T(false) == T::False);
CHECK(T(true) == T::True);
CHECK(T(T::Other) == T::Other);
T a;
CHECK(!a);
CHECK(a.isStrictFalse());
CHECK(!a.isStrictTrue());
CHECK(a.isStrictBool());
CHECK(!a.isOther());
a = false;
CHECK(!a);
CHECK(a.isStrictFalse());
CHECK(!a.isStrictTrue());
CHECK(a.isStrictBool());
CHECK(!a.isOther());
a = true;
CHECK(a);
CHECK(!a.isStrictFalse());
CHECK(a.isStrictTrue());
CHECK(a.isStrictBool());
CHECK(!a.isOther());
a = T::Other;
if (expect_true)
CHECK(a);
else
CHECK(!a);
CHECK(!a.isStrictFalse());
CHECK(!a.isStrictTrue());
CHECK(!a.isStrictBool());
CHECK(a.isOther());
a = x;
if (expect_true)
CHECK(a);
else
CHECK(!a);
CHECK(!a.isStrictFalse());
CHECK(!a.isStrictTrue());
CHECK(!a.isStrictBool());
CHECK(a.isOther());
}
};
TEST_CASE("TriBool") {
TestTriBool<tribool>::test(false, -1);
TestTriBool<TriBool<upx_int8_t> >::test(false, -1);
TestTriBool<TriBool<upx_int64_t> >::test(false, -1);
//
TestTriBool<TriBool<upx_int8_t, 2> >::test(true, 2);
TestTriBool<TriBool<upx_uint8_t, 2> >::test(true, 2);
TestTriBool<TriBool<upx_int64_t, 2> >::test(true, 2);
TestTriBool<TriBool<upx_uint64_t, 2> >::test(true, 2);
}
/* vim:set ts=4 sw=4 et: */