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56 lines
1.1 KiB
C++
56 lines
1.1 KiB
C++
// RUN: %clang_cc1 -fexperimental-new-constant-interpreter -verify %s
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// RUN: %clang_cc1 -verify=ref %s
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enum class EC : short {
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A, B, C
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};
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static_assert(static_cast<int>(EC::A) == 0, "");
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static_assert(static_cast<int>(EC::B) == 1, "");
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static_assert(static_cast<int>(EC::C) == 2, "");
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static_assert(sizeof(EC) == sizeof(short), "");
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constexpr EC ec = EC::C;
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static_assert(static_cast<int>(ec) == 2, "");
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constexpr int N = 12;
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constexpr int M = 2;
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enum CE {
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ONE = -1,
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TWO = 2,
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THREE,
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FOUR = 4,
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FIVE = N + M,
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SIX = FIVE + 2,
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MAX = __INT_MAX__ * 2U + 1U
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};
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static_assert(ONE == -1, "");
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static_assert(THREE == 3, "");
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static_assert(FIVE == 14, "");
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static_assert(SIX == 16, "");
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constexpr EC testEnums() {
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EC e = EC::C;
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e = EC::B;
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EC::B = e; // expected-error{{expression is not assignable}} \
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// ref-error{{expression is not assignable}}
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return e;
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}
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constexpr EC getB() {
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EC e = EC::C;
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e = EC::B;
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return e;
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}
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static_assert(getB() == EC::B, "");
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namespace B {
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enum E : bool { Zero, One };
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static_assert((int)(E)2 == 1, "");
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} // namespace B
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