diff options
| -rw-r--r-- | clang/test/SemaCXX/constant-expression-cxx11.cpp | 370 |
1 files changed, 184 insertions, 186 deletions
diff --git a/clang/test/SemaCXX/constant-expression-cxx11.cpp b/clang/test/SemaCXX/constant-expression-cxx11.cpp index 0fc23285b33..3ba87b3d91e 100644 --- a/clang/test/SemaCXX/constant-expression-cxx11.cpp +++ b/clang/test/SemaCXX/constant-expression-cxx11.cpp @@ -1,12 +1,10 @@ // RUN: %clang_cc1 -triple i686-linux -fsyntax-only -verify -std=c++11 %s -#define static_assert_fold static_assert - namespace StaticAssertFoldTest { int x; -static_assert_fold(++x, "test"); // expected-error {{not an integral constant expression}} -static_assert_fold(false, "test"); // expected-error {{test}} +static_assert(++x, "test"); // expected-error {{not an integral constant expression}} +static_assert(false, "test"); // expected-error {{test}} } @@ -40,34 +38,34 @@ namespace DerivedToVBaseCast { D d; constexpr B *p = &d; constexpr C *q = &d; - static_assert_fold((void*)p != (void*)q, ""); - static_assert_fold((A*)p == (A*)q, ""); - static_assert_fold((Aa*)p != (Aa*)q, ""); + static_assert((void*)p != (void*)q, ""); + static_assert((A*)p == (A*)q, ""); + static_assert((Aa*)p != (Aa*)q, ""); constexpr B &pp = d; constexpr C &qq = d; - static_assert_fold((void*)&pp != (void*)&qq, ""); - static_assert_fold(&(A&)pp == &(A&)qq, ""); - static_assert_fold(&(Aa&)pp != &(Aa&)qq, ""); + static_assert((void*)&pp != (void*)&qq, ""); + static_assert(&(A&)pp == &(A&)qq, ""); + static_assert(&(Aa&)pp != &(Aa&)qq, ""); constexpr V *v = p; constexpr V *w = q; constexpr V *x = (A*)p; - static_assert_fold(v == w, ""); - static_assert_fold(v == x, ""); + static_assert(v == w, ""); + static_assert(v == x, ""); - static_assert_fold((U*)&d == p, ""); - static_assert_fold((U*)&d == q, ""); - static_assert_fold((U*)&d == v, ""); - static_assert_fold((U*)&d == w, ""); - static_assert_fold((U*)&d == x, ""); + static_assert((U*)&d == p, ""); + static_assert((U*)&d == q, ""); + static_assert((U*)&d == v, ""); + static_assert((U*)&d == w, ""); + static_assert((U*)&d == x, ""); struct X {}; struct Y1 : virtual X {}; struct Y2 : X {}; struct Z : Y1, Y2 {}; Z z; - static_assert_fold((X*)(Y1*)&z != (X*)(Y2*)&z, ""); + static_assert((X*)(Y1*)&z != (X*)(Y2*)&z, ""); } @@ -114,7 +112,7 @@ namespace MemberEnum { enum E { A = 42 }; } wme; - static_assert_fold(wme.A == 42, ""); + static_assert(wme.A == 42, ""); } namespace DefaultArguments { @@ -126,11 +124,11 @@ constexpr int Sum(int a = 0, const int &b = 0, const int *c = &z, char d = 0) { const int four = 4; constexpr int eight = 8; constexpr const int twentyseven = 27; -static_assert_fold(Sum() == 0, ""); -static_assert_fold(Sum(1) == 1, ""); -static_assert_fold(Sum(1, four) == 5, ""); -static_assert_fold(Sum(1, eight, &twentyseven) == 36, ""); -static_assert_fold(Sum(1, 2, &four, eight) == 15, ""); +static_assert(Sum() == 0, ""); +static_assert(Sum(1) == 1, ""); +static_assert(Sum(1, four) == 5, ""); +static_assert(Sum(1, eight, &twentyseven) == 36, ""); +static_assert(Sum(1, 2, &four, eight) == 15, ""); } @@ -138,18 +136,18 @@ namespace Ellipsis { // Note, values passed through an ellipsis can't actually be used. constexpr int F(int a, ...) { return a; } -static_assert_fold(F(0) == 0, ""); -static_assert_fold(F(1, 0) == 1, ""); -static_assert_fold(F(2, "test") == 2, ""); -static_assert_fold(F(3, &F) == 3, ""); +static_assert(F(0) == 0, ""); +static_assert(F(1, 0) == 1, ""); +static_assert(F(2, "test") == 2, ""); +static_assert(F(3, &F) == 3, ""); int k = 0; -static_assert_fold(F(4, k) == 3, ""); // expected-error {{constant expression}} +static_assert(F(4, k) == 3, ""); // expected-error {{constant expression}} } namespace Recursion { constexpr int fib(int n) { return n > 1 ? fib(n-1) + fib(n-2) : n; } - static_assert_fold(fib(11) == 89, ""); + static_assert(fib(11) == 89, ""); constexpr int gcd_inner(int a, int b) { return b == 0 ? a : gcd_inner(b, a % b); @@ -158,7 +156,7 @@ namespace Recursion { return gcd_inner(max(a, b), min(a, b)); } - static_assert_fold(gcd(1749237, 5628959) == 7, ""); + static_assert(gcd(1749237, 5628959) == 7, ""); } namespace FunctionCast { @@ -178,9 +176,9 @@ namespace StaticMemberFunction { } s; constexpr int n = s.f(19); - static_assert_fold(S::f(19) == 800, ""); - static_assert_fold(s.f(19) == 800, ""); - static_assert_fold(n == 800, ""); + static_assert(S::f(19) == 800, ""); + static_assert(s.f(19) == 800, ""); + static_assert(n == 800, ""); constexpr int (*sf1)(int) = &S::f; constexpr int (*sf2)(int) = &s.f; @@ -194,7 +192,7 @@ namespace ParameterScopes { constexpr const int &MaybeReturnJunk(bool b, const int a) { return ObscureTheTruth(b ? a : k); } - static_assert_fold(MaybeReturnJunk(false, 0) == 42, ""); // ok + static_assert(MaybeReturnJunk(false, 0) == 42, ""); // ok constexpr int a = MaybeReturnJunk(true, 0); // expected-error {{constant expression}} constexpr const int MaybeReturnNonstaticRef(bool b, const int a) { @@ -202,7 +200,7 @@ namespace ParameterScopes { // constant expression even though 'a' is still in scope. return ObscureTheTruth(b ? a : k); } - static_assert_fold(MaybeReturnNonstaticRef(false, 0) == 42, ""); // ok + static_assert(MaybeReturnNonstaticRef(false, 0) == 42, ""); // ok constexpr int b = MaybeReturnNonstaticRef(true, 0); // expected-error {{constant expression}} constexpr int InternalReturnJunk(int n) { @@ -215,8 +213,8 @@ namespace ParameterScopes { constexpr int GrabCallersArgument(bool which, int a, int b) { return LToR(which ? b : a); } - static_assert_fold(GrabCallersArgument(false, 1, 2) == 1, ""); - static_assert_fold(GrabCallersArgument(true, 4, 8) == 8, ""); + static_assert(GrabCallersArgument(false, 1, 2) == 1, ""); + static_assert(GrabCallersArgument(true, 4, 8) == 8, ""); } @@ -227,12 +225,12 @@ namespace Pointers { } const int x = 1, y = 10, z = 100; - static_assert_fold(f(23, &x, &y, &z) == 788, ""); + static_assert(f(23, &x, &y, &z) == 788, ""); constexpr int g(int n, int a, int b, int c) { return f(n, &a, &b, &c); } - static_assert_fold(g(23, x, y, z) == 788, ""); + static_assert(g(23, x, y, z) == 788, ""); } @@ -247,7 +245,7 @@ namespace FunctionPointers { } constexpr int Apply(int (*F)(int), int n) { return F(n); } - static_assert_fold(1 + Apply(Select(4), 5) + Apply(Select(3), 7) == 42, ""); + static_assert(1 + Apply(Select(4), 5) + Apply(Select(3), 7) == 42, ""); constexpr int Invalid = Apply(Select(0), 0); // expected-error {{must be initialized by a constant expression}} @@ -256,8 +254,8 @@ namespace FunctionPointers { namespace PointerComparison { int x, y; -static_assert_fold(&x == &y, "false"); // expected-error {{false}} -static_assert_fold(&x != &y, ""); +static_assert(&x == &y, "false"); // expected-error {{false}} +static_assert(&x != &y, ""); constexpr bool g1 = &x == &y; constexpr bool g2 = &x != &y; constexpr bool g3 = &x <= &y; // expected-error {{must be initialized by a constant expression}} @@ -266,33 +264,33 @@ constexpr bool g5 = &x < &y; // expected-error {{must be initialized by a consta constexpr bool g6 = &x > &y; // expected-error {{must be initialized by a constant expression}} struct S { int x, y; } s; -static_assert_fold(&s.x == &s.y, "false"); // expected-error {{false}} -static_assert_fold(&s.x != &s.y, ""); -static_assert_fold(&s.x <= &s.y, ""); -static_assert_fold(&s.x >= &s.y, "false"); // expected-error {{false}} -static_assert_fold(&s.x < &s.y, ""); -static_assert_fold(&s.x > &s.y, "false"); // expected-error {{false}} - -static_assert_fold(0 == &y, "false"); // expected-error {{false}} -static_assert_fold(0 != &y, ""); +static_assert(&s.x == &s.y, "false"); // expected-error {{false}} +static_assert(&s.x != &s.y, ""); +static_assert(&s.x <= &s.y, ""); +static_assert(&s.x >= &s.y, "false"); // expected-error {{false}} +static_assert(&s.x < &s.y, ""); +static_assert(&s.x > &s.y, "false"); // expected-error {{false}} + +static_assert(0 == &y, "false"); // expected-error {{false}} +static_assert(0 != &y, ""); constexpr bool n3 = 0 <= &y; // expected-error {{must be initialized by a constant expression}} constexpr bool n4 = 0 >= &y; // expected-error {{must be initialized by a constant expression}} constexpr bool n5 = 0 < &y; // expected-error {{must be initialized by a constant expression}} constexpr bool n6 = 0 > &y; // expected-error {{must be initialized by a constant expression}} -static_assert_fold(&x == 0, "false"); // expected-error {{false}} -static_assert_fold(&x != 0, ""); +static_assert(&x == 0, "false"); // expected-error {{false}} +static_assert(&x != 0, ""); constexpr bool n9 = &x <= 0; // expected-error {{must be initialized by a constant expression}} constexpr bool n10 = &x >= 0; // expected-error {{must be initialized by a constant expression}} constexpr bool n11 = &x < 0; // expected-error {{must be initialized by a constant expression}} constexpr bool n12 = &x > 0; // expected-error {{must be initialized by a constant expression}} -static_assert_fold(&x == &x, ""); -static_assert_fold(&x != &x, "false"); // expected-error {{false}} -static_assert_fold(&x <= &x, ""); -static_assert_fold(&x >= &x, ""); -static_assert_fold(&x < &x, "false"); // expected-error {{false}} -static_assert_fold(&x > &x, "false"); // expected-error {{false}} +static_assert(&x == &x, ""); +static_assert(&x != &x, "false"); // expected-error {{false}} +static_assert(&x <= &x, ""); +static_assert(&x >= &x, ""); +static_assert(&x < &x, "false"); // expected-error {{false}} +static_assert(&x > &x, "false"); // expected-error {{false}} constexpr S* sptr = &s; // FIXME: This is not a constant expression; check we reject this and move this @@ -302,9 +300,9 @@ constexpr bool dyncast = sptr == dynamic_cast<S*>(sptr); extern char externalvar[]; // FIXME: This is not a constant expression; check we reject this and move this // test elsewhere. -constexpr bool constaddress = (void *)externalvar == (void *)0x4000UL; // expected-error {{must be initialized by a constant expression}} +constexpr bool constaddress = (void *)externalvar == (void *)0x4000UL; // expected-error {{must be initialized by a constant expression}} constexpr bool litaddress = "foo" == "foo"; // expected-error {{must be initialized by a constant expression}} expected-warning {{unspecified}} -static_assert_fold(0 != "foo", ""); +static_assert(0 != "foo", ""); } @@ -316,10 +314,10 @@ constexpr int n = f(1); constexpr bool same(const int &a, const int &b) { return &a == &b; } constexpr bool sameTemporary(const int &n) { return same(n, n); } -static_assert_fold(n, ""); -static_assert_fold(!same(4, 4), ""); -static_assert_fold(same(n, n), ""); -static_assert_fold(sameTemporary(9), ""); +static_assert(n, ""); +static_assert(!same(4, 4), ""); +static_assert(same(n, n), ""); +static_assert(sameTemporary(9), ""); } @@ -340,9 +338,9 @@ constexpr int MangleChars(const char32_t *p) { return *p + 3 * (*p ? MangleChars(p+1) : 0); } -static_assert_fold(MangleChars("constexpr!") == 1768383, ""); -static_assert_fold(MangleChars(u"constexpr!") == 1768383, ""); -static_assert_fold(MangleChars(U"constexpr!") == 1768383, ""); +static_assert(MangleChars("constexpr!") == 1768383, ""); +static_assert(MangleChars(u"constexpr!") == 1768383, ""); +static_assert(MangleChars(U"constexpr!") == 1768383, ""); constexpr char c0 = "nought index"[0]; constexpr char c1 = "nice index"[10]; @@ -351,7 +349,7 @@ constexpr char c3 = "negative index"[-1]; // expected-error {{must be initialize constexpr char c4 = ((char*)(int*)"no reinterpret_casts allowed")[14]; // expected-error {{must be initialized by a constant expression}} constexpr const char *p = "test" + 2; -static_assert_fold(*p == 's', ""); +static_assert(*p == 's', ""); constexpr const char *max_iter(const char *a, const char *b) { return *a < *b ? b : a; @@ -365,13 +363,13 @@ constexpr const char *end(const char (&arr)[45]) { return arr + 45; } constexpr char str[] = "the quick brown fox jumped over the lazy dog"; constexpr const char *max = max_element(begin(str), end(str)); -static_assert_fold(*max == 'z', ""); -static_assert_fold(max == str + 38, ""); +static_assert(*max == 'z', ""); +static_assert(max == str + 38, ""); -static_assert_fold(strcmp_ce("hello world", "hello world") == 0, ""); -static_assert_fold(strcmp_ce("hello world", "hello clang") > 0, ""); -static_assert_fold(strcmp_ce("constexpr", "test") < 0, ""); -static_assert_fold(strcmp_ce("", " ") < 0, ""); +static_assert(strcmp_ce("hello world", "hello world") == 0, ""); +static_assert(strcmp_ce("hello world", "hello clang") > 0, ""); +static_assert(strcmp_ce("constexpr", "test") < 0, ""); +static_assert(strcmp_ce("", " ") < 0, ""); } @@ -387,7 +385,7 @@ constexpr const int *end(const int (&xs)[5]) { return xs + 5; } constexpr int xs[] = { 1, 2, 3, 4, 5 }; constexpr int ys[] = { 5, 4, 3, 2, 1 }; constexpr int sum_xs = Sum(begin(xs), end(xs)); -static_assert_fold(sum_xs == 15, ""); +static_assert(sum_xs == 15, ""); constexpr int ZipFoldR(int (*F)(int x, int y, int c), int n, const int *xs, const int *ys, int c) { @@ -395,12 +393,12 @@ constexpr int ZipFoldR(int (*F)(int x, int y, int c), int n, } constexpr int MulAdd(int x, int y, int c) { return x * y + c; } constexpr int InnerProduct = ZipFoldR(MulAdd, 5, xs, ys, 0); -static_assert_fold(InnerProduct == 35, ""); +static_assert(InnerProduct == 35, ""); constexpr int SubMul(int x, int y, int c) { return (x - y) * c; } constexpr int DiffProd = ZipFoldR(SubMul, 2, xs+3, ys+3, 1); -static_assert_fold(DiffProd == 8, ""); -static_assert_fold(ZipFoldR(SubMul, 3, xs+3, ys+3, 1), ""); // expected-error {{constant expression}} +static_assert(DiffProd == 8, ""); +static_assert(ZipFoldR(SubMul, 3, xs+3, ys+3, 1), ""); // expected-error {{constant expression}} constexpr const int *p = xs + 3; constexpr int xs4 = p[1]; // ok @@ -409,12 +407,12 @@ constexpr int xs0 = p[-3]; // ok constexpr int xs_1 = p[-4]; // expected-error {{constant expression}} constexpr int zs[2][2][2][2] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 }; -static_assert_fold(zs[0][0][0][0] == 1, ""); -static_assert_fold(zs[1][1][1][1] == 16, ""); -static_assert_fold(zs[0][0][0][2] == 3, ""); // expected-error {{constant expression}} -static_assert_fold((&zs[0][0][0][2])[-1] == 2, ""); -static_assert_fold(**(**(zs + 1) + 1) == 11, ""); -static_assert_fold(*(&(&(*(*&(&zs[2] - 1)[0] + 2 - 2))[2])[-1][-1] + 1) == 11, ""); +static_assert(zs[0][0][0][0] == 1, ""); +static_assert(zs[1][1][1][1] == 16, ""); +static_assert(zs[0][0][0][2] == 3, ""); // expected-error {{constant expression}} +static_assert((&zs[0][0][0][2])[-1] == 2, ""); +static_assert(**(**(zs + 1) + 1) == 11, ""); +static_assert(*(&(&(*(*&(&zs[2] - 1)[0] + 2 - 2))[2])[-1][-1] + 1) == 11, ""); constexpr int arr[40] = { 1, 2, 3, [8] = 4 }; constexpr int SumNonzero(const int *p) { @@ -423,8 +421,8 @@ constexpr int SumNonzero(const int *p) { constexpr int CountZero(const int *p, const int *q) { return p == q ? 0 : (*p == 0) + CountZero(p+1, q); } -static_assert_fold(SumNonzero(arr) == 6, ""); -static_assert_fold(CountZero(arr, arr + 40) == 36, ""); +static_assert(SumNonzero(arr) == 6, ""); +static_assert(CountZero(arr, arr + 40) == 36, ""); struct ArrayElem { constexpr ArrayElem() : n(0) {} @@ -435,7 +433,7 @@ struct ArrayRVal { constexpr ArrayRVal() {} ArrayElem elems[10]; }; -static_assert_fold(ArrayRVal().elems[3].f() == 0, ""); +static_assert(ArrayRVal().elems[3].f() == 0, ""); } @@ -458,7 +456,7 @@ namespace Class { struct A { constexpr A(int a, int b) : k(a + b) {} int k; }; constexpr int fn(const A &a) { return a.k; } -static_assert_fold(fn(A(4,5)) == 9, ""); +static_assert(fn(A(4,5)) == 9, ""); struct B { int n; int m; } constexpr b = { 0, b.n }; // expected-warning {{uninitialized}} struct C { @@ -469,7 +467,7 @@ struct D { C c; constexpr D() : c(&c) {} }; -static_assert_fold(D().c.n == 42, ""); +static_assert(D().c.n == 42, ""); struct E { constexpr E() : p(&p) {} @@ -482,11 +480,11 @@ constexpr const E &e1 = E(); // expected-error {{constant expression}} // We notice this when evaluating an expression which uses it, but not when // checking its initializer. constexpr E e2 = E(); // unexpected-error {{constant expression}} -static_assert_fold(e2.p == &e2.p, ""); // unexpected-error {{constant expression}} +static_assert(e2.p == &e2.p, ""); // unexpected-error {{constant expression}} // FIXME: We don't pass through the fact that 'this' is ::e3 when checking the // initializer of this declaration. constexpr E e3; // unexpected-error {{constant expression}} -static_assert_fold(e3.p == &e3.p, ""); +static_assert(e3.p == &e3.p, ""); extern const class F f; struct F { @@ -510,10 +508,10 @@ struct G { constexpr G() : t(&t) {} } constexpr g; -static_assert_fold(g.t.u1.a == 42, ""); // expected-error {{constant expression}} -static_assert_fold(g.t.u1.b == 42, ""); -static_assert_fold(g.t.u2.c == 42, ""); -static_assert_fold(g.t.u2.d == 42, ""); // expected-error {{constant expression}} +static_assert(g.t.u1.a == 42, ""); // expected-error {{constant expression}} +static_assert(g.t.u1.b == 42, ""); +static_assert(g.t.u2.c == 42, ""); +static_assert(g.t.u2.d == 42, ""); // expected-error {{constant expression}} struct S { int a, b; @@ -526,12 +524,12 @@ struct S { S global(43, &global); -static_assert_fold(S(15, &global).b == 15, ""); +static_assert(S(15, &global).b == 15, ""); constexpr bool CheckS(const S &s) { return s.a == 5 && s.b == 27 && s.p == &global && s.d == 27. && s.q[3] == 'l'; } -static_assert_fold(CheckS(S(27, &global)), ""); +static_assert(CheckS(S(27, &global)), ""); struct Arr { char arr[3]; @@ -541,7 +539,7 @@ constexpr int hash(Arr &&a) { return a.arr[0] + a.arr[1] * 0x100 + a.arr[2] * 0x10000; } constexpr int k = hash(Arr()); -static_assert_fold(k == 0x007a7978, ""); +static_assert(k == 0x007a7978, ""); struct AggregateInit { @@ -554,14 +552,14 @@ struct AggregateInit { constexpr AggregateInit agg1 = { "hello"[0] }; -static_assert_fold(strcmp_ce(&agg1.c, "hello") == 0, ""); -static_assert_fold(agg1.n == 0, ""); -static_assert_fold(agg1.d == 0.0, ""); -static_assert_fold(agg1.arr[-1] == 0, ""); // expected-error {{constant expression}} -static_assert_fold(agg1.arr[0] == 0, ""); -static_assert_fold(agg1.arr[4] == 0, ""); -static_assert_fold(agg1.arr[5] == 0, ""); // expected-error {{constant expression}} -static_assert_fold(agg1.p == nullptr, ""); +static_assert(strcmp_ce(&agg1.c, "hello") == 0, ""); +static_assert(agg1.n == 0, ""); +static_assert(agg1.d == 0.0, ""); +static_assert(agg1.arr[-1] == 0, ""); // expected-error {{constant expression}} +static_assert(agg1.arr[0] == 0, ""); +static_assert(agg1.arr[4] == 0, ""); +static_assert(agg1.arr[5] == 0, ""); // expected-error {{constant expression}} +static_assert(agg1.p == nullptr, ""); namespace SimpleDerivedClass { @@ -573,7 +571,7 @@ struct D : B { constexpr D(int n) : B(n) {} }; constexpr D d(3); -static_assert_fold(d.a == 3, ""); +static_assert(d.a == 3, ""); } @@ -603,43 +601,43 @@ constexpr bool operator==(const Base &a, const Base &b) { constexpr Base base; constexpr Base base2(76); constexpr Derived derived; -static_assert_fold(derived.a == 76, ""); -static_assert_fold(derived.b[2] == 's', ""); -static_assert_fold(derived.c == 76 + 'e', ""); -static_assert_fold(derived.q == 123, ""); -static_assert_fold(derived.r == 76, ""); -static_assert_fold(&derived.r == &derived.a, ""); // expected-error {{}} +static_assert(derived.a == 76, ""); +static_assert(derived.b[2] == 's', ""); +static_assert(derived.c == 76 + 'e', ""); +static_assert(derived.q == 123, ""); +static_assert(derived.r == 76, ""); +static_assert(&derived.r == &derived.a, ""); // expected-error {{}} -static_assert_fold(!(derived == base), ""); -static_assert_fold(derived == base2, ""); +static_assert(!(derived == base), ""); +static_assert(derived == base2, ""); constexpr Bottom &bot1 = (Base&)derived; constexpr Bottom &bot2 = (Base2&)derived; -static_assert_fold(&bot1 != &bot2, ""); +static_assert(&bot1 != &bot2, ""); constexpr Bottom *pb1 = (Base*)&derived; constexpr Bottom *pb2 = (Base2*)&derived; -static_assert_fold(pb1 != pb2, ""); -static_assert_fold(pb1 == &bot1, ""); -static_assert_fold(pb2 == &bot2, ""); +static_assert(pb1 != pb2, ""); +static_assert(pb1 == &bot1, ""); +static_assert(pb2 == &bot2, ""); constexpr Base2 &fail = (Base2&)bot1; // expected-error {{constant expression}} constexpr Base &fail2 = (Base&)*pb2; // expected-error {{constant expression}} constexpr Base2 &ok2 = (Base2&)bot2; -static_assert_fold(&ok2 == &derived, ""); +static_assert(&ok2 == &derived, ""); constexpr Base2 *pfail = (Base2*)pb1; // expected-error {{constant expression}} constexpr Base *pfail2 = (Base*)&bot2; // expected-error {{constant expression}} constexpr Base2 *pok2 = (Base2*)pb2; -static_assert_fold(pok2 == &derived, ""); -static_assert_fold(&ok2 == pok2, ""); -static_assert_fold((Base2*)(Derived*)(Base*)pb1 == pok2, ""); -static_assert_fold((Derived*)(Base*)pb1 == (Derived*)pok2, ""); +static_assert(pok2 == &derived, ""); +static_assert(&ok2 == pok2, ""); +static_assert((Base2*)(Derived*)(Base*)pb1 == pok2, ""); +static_assert((Derived*)(Base*)pb1 == (Derived*)pok2, ""); constexpr Base *nullB = 42 - 6 * 7; -static_assert_fold((Bottom*)nullB == 0, ""); -static_assert_fold((Derived*)nullB == 0, ""); -static_assert_fold((void*)(Bottom*)nullB == (void*)(Derived*)nullB, ""); +static_assert((Bottom*)nullB == 0, ""); +static_assert((Derived*)nullB == 0, ""); +static_assert((void*)(Bottom*)nullB == (void*)(Derived*)nullB, ""); } @@ -662,13 +660,13 @@ constexpr int S::f() { // The T temporary is implicitly cast to an S subobject, but we can recover the // T full-object via a base-to-derived cast, or a derived-to-base-casted member // pointer. -static_assert_fold(T(3).f() == 3, ""); +static_assert(T(3).f() == 3, ""); constexpr int f(const S &s) { return static_cast<const T&>(s).n; } constexpr int n = f(T(5)); -static_assert_fold(f(T(5)) == 5, ""); +static_assert(f(T(5)) == 5, ""); } @@ -680,12 +678,12 @@ union U { }; constexpr U u[4] = { { .a = 0 }, { .b = 1 }, { .a = 2 }, { .b = 3 } }; -static_assert_fold(u[0].a == 0, ""); -static_assert_fold(u[0].b, ""); // expected-error {{constant expression}} -static_assert_fold(u[1].b == 1, ""); -static_assert_fold((&u[1].b)[1] == 2, ""); // expected-error {{constant expression}} -static_assert_fold(*(&(u[1].b) + 1 + 1) == 3, ""); // expected-error {{constant expression}} -static_assert_fold((&(u[1]) + 1 + 1)->b == 3, ""); +static_assert(u[0].a == 0, ""); +static_assert(u[0].b, ""); // expected-error {{constant expression}} +static_assert(u[1].b == 1, ""); +static_assert((&u[1].b)[1] == 2, ""); // expected-error {{constant expression}} +static_assert(*(&(u[1].b) + 1 + 1) == 3, ""); // expected-error {{constant expression}} +static_assert((&(u[1]) + 1 + 1)->b == 3, ""); } @@ -696,10 +694,10 @@ namespace MemberPointer { constexpr int f() { return n + 3; } }; constexpr A a(7); - static_assert_fold(A(5).*&A::n == 5, ""); - static_assert_fold((&a)->*&A::n == 7, ""); - static_assert_fold((A(8).*&A::f)() == 11, ""); - static_assert_fold(((&a)->*&A::f)() == 10, ""); + static_assert(A(5).*&A::n == 5, ""); + static_assert((&a)->*&A::n == 7, ""); + static_assert((A(8).*&A::f)() == 11, ""); + static_assert(((&a)->*&A::f)() == 10, ""); struct B : A { constexpr B(int n, int m) : A(n), m(m) {} @@ -707,18 +705,18 @@ namespace MemberPointer { constexpr int g() { return n + m + 1; } }; constexpr B b(9, 13); - static_assert_fold(B(4, 11).*&A::n == 4, ""); - static_assert_fold(B(4, 11).*&B::m == 11, ""); - static_assert_fold(B(4, 11).*(int(A::*))&B::m == 11, ""); - static_assert_fold((&b)->*&A::n == 9, ""); - static_assert_fold((&b)->*&B::m == 13, ""); - static_assert_fold((&b)->*(int(A::*))&B::m == 13, ""); - static_assert_fold((B(4, 11).*&A::f)() == 7, ""); - static_assert_fold((B(4, 11).*&B::g)() == 16, ""); - static_assert_fold((B(4, 11).*(int(A::*)()const)&B::g)() == 16, ""); - static_assert_fold(((&b)->*&A::f)() == 12, ""); - static_assert_fold(((&b)->*&B::g)() == 23, ""); - static_assert_fold(((&b)->*(int(A::*)()const)&B::g)() == 23, ""); + static_assert(B(4, 11).*&A::n == 4, ""); + static_assert(B(4, 11).*&B::m == 11, ""); + static_assert(B(4, 11).*(int(A::*))&B::m == 11, ""); + static_assert((&b)->*&A::n == 9, ""); + static_assert((&b)->*&B::m == 13, ""); + static_assert((&b)->*(int(A::*))&B::m == 13, ""); + static_assert((B(4, 11).*&A::f)() == 7, ""); + static_assert((B(4, 11).*&B::g)() == 16, ""); + static_assert((B(4, 11).*(int(A::*)()const)&B::g)() == 16, ""); + static_assert(((&b)->*&A::f)() == 12, ""); + static_assert(((&b)->*&B::g)() == 23, ""); + static_assert(((&b)->*(int(A::*)()const)&B::g)() == 23, ""); struct S { constexpr S(int m, int n, int (S::*pf)() const, int S::*pn) : @@ -740,8 +738,8 @@ namespace MemberPointer { constexpr S s(2, 5, &S::f, &S::m); - static_assert_fold((s.*&S::f)() == 2, ""); - static_assert_fold((s.*s.pf)() == 2, ""); + static_assert((s.*&S::f)() == 2, ""); + static_assert((s.*s.pf)() == 2, ""); template<int n> struct T : T<n-1> {}; template<> struct T<0> { int n; }; @@ -751,28 +749,28 @@ namespace MemberPointer { T<30> t30; constexpr int (T<10>::*deepn) = &T<0>::n; - static_assert_fold(&(t17.*deepn) == &t17.n, ""); + static_assert(&(t17.*deepn) == &t17.n, ""); constexpr int (T<15>::*deepm) = (int(T<10>::*))&T<30>::m; constexpr int *pbad = &(t17.*deepm); // expected-error {{constant expression}} - static_assert_fold(&(t30.*deepm) == &t30.m, ""); + static_assert(&(t30.*deepm) == &t30.m, ""); constexpr T<5> *p17_5 = &t17; constexpr T<13> *p17_13 = (T<13>*)p17_5; constexpr T<23> *p17_23 = (T<23>*)p17_13; // expected-error {{constant expression}} - static_assert_fold(&(p17_5->*(int(T<3>::*))deepn) == &t17.n, ""); - static_assert_fold(&(p17_13->*deepn) == &t17.n, ""); + static_assert(&(p17_5->*(int(T<3>::*))deepn) == &t17.n, ""); + static_assert(&(p17_13->*deepn) == &t17.n, ""); constexpr int *pbad2 = &(p17_13->*(int(T<9>::*))deepm); // expected-error {{constant expression}} constexpr T<5> *p30_5 = &t30; constexpr T<23> *p30_23 = (T<23>*)p30_5; constexpr T<13> *p30_13 = p30_23; - static_assert_fold(&(p30_5->*(int(T<3>::*))deepn) == &t30.n, ""); - static_assert_fold(&(p30_13->*deepn) == &t30.n, ""); - static_assert_fold(&(p30_23->*deepn) == &t30.n, ""); - static_assert_fold(&(p30_5->*(int(T<2>::*))deepm) == &t30.m, ""); - static_assert_fold(&(((T<17>*)p30_13)->*deepm) == &t30.m, ""); - static_assert_fold(&(p30_23->*deepm) == &t30.m, ""); + static_assert(&(p30_5->*(int(T<3>::*))deepn) == &t30.n, ""); + static_assert(&(p30_13->*deepn) == &t30.n, ""); + static_assert(&(p30_23->*deepn) == &t30.n, ""); + static_assert(&(p30_5->*(int(T<2>::*))deepm) == &t30.m, ""); + static_assert(&(((T<17>*)p30_13)->*deepm) == &t30.m, ""); + static_assert(&(p30_23->*deepm) == &t30.m, ""); } namespace ArrayBaseDerived { @@ -789,7 +787,7 @@ namespace ArrayBaseDerived { constexpr Derived a[10]; constexpr Derived *pd3 = const_cast<Derived*>(&a[3]); constexpr Base *pb3 = const_cast<Derived*>(&a[3]); - static_assert_fold(pb3 == pd3, ""); + static_assert(pb3 == pd3, ""); // pb3 does not point to an array element. constexpr Base *pb4 = pb3 + 1; // ok, one-past-the-end pointer. @@ -807,7 +805,7 @@ namespace ArrayBaseDerived { // pd3a still points to the Derived array. constexpr Derived *pd6 = pd3a + 3; - static_assert_fold(pd6 == &a[6], ""); + static_assert(pd6 == &a[6], ""); constexpr Derived *pd9 = pd6 + 3; constexpr Derived *pd10 = pd6 + 4; constexpr int pd9n = pd9->n; // ok @@ -818,7 +816,7 @@ namespace ArrayBaseDerived { constexpr Base *pb9 = pd9; constexpr const int *(Base::*pfb)() const = static_cast<const int *(Base::*)() const>(&Derived::f); - static_assert_fold((pb9->*pfb)() == &a[9].n, ""); + static_assert((pb9->*pfb)() == &a[9].n, ""); } namespace Complex { @@ -850,19 +848,19 @@ public: constexpr complex i = complex(0, 1); constexpr complex k = (3 + 4*i) * (6 - 4*i); -static_assert_fold(complex(1,0).real() == 1, ""); -static_assert_fold(complex(1,0).imag() == 0, ""); -static_assert_fold(((complex)1).imag() == 0, ""); -static_assert_fold(k.real() == 34, ""); -static_assert_fold(k.imag() == 12, ""); -static_assert_fold(k - 34 == 12*i, ""); -static_assert_fold((complex)1 == complex(1), ""); -static_assert_fold((complex)1 != complex(0, 1), ""); -static_assert_fold(complex(1) == complex(1), ""); -static_assert_fold(complex(1) != complex(0, 1), ""); +static_assert(complex(1,0).real() == 1, ""); +static_assert(complex(1,0).imag() == 0, ""); +static_assert(((complex)1).imag() == 0, ""); +static_assert(k.real() == 34, ""); +static_assert(k.imag() == 12, ""); +static_assert(k - 34 == 12*i, ""); +static_assert((complex)1 == complex(1), ""); +static_assert((complex)1 != complex(0, 1), ""); +static_assert(complex(1) == complex(1), ""); +static_assert(complex(1) != complex(0, 1), ""); constexpr complex makeComplex(int re, int im) { return complex(re, im); } -static_assert_fold(makeComplex(1,0) == complex(1), ""); -static_assert_fold(makeComplex(1,0) != complex(0, 1), ""); +static_assert(makeComplex(1,0) == complex(1), ""); +static_assert(makeComplex(1,0) != complex(0, 1), ""); class complex_wrap : public complex { public: @@ -870,14 +868,14 @@ public: constexpr complex_wrap(const complex_wrap &o) : complex(o) {} }; -static_assert_fold((complex_wrap)1 == complex(1), ""); -static_assert_fold((complex)1 != complex_wrap(0, 1), ""); -static_assert_fold(complex(1) == complex_wrap(1), ""); -static_assert_fold(complex_wrap(1) != complex(0, 1), ""); +static_assert((complex_wrap)1 == complex(1), ""); +static_assert((complex)1 != complex_wrap(0, 1), ""); +static_assert(complex(1) == complex_wrap(1), ""); +static_assert(complex_wrap(1) != complex(0, 1), ""); constexpr complex_wrap makeComplexWrap(int re, int im) { return complex_wrap(re, im); } -static_assert_fold(makeComplexWrap(1,0) == complex(1), ""); -static_assert_fold(makeComplexWrap(1,0) != complex(0, 1), ""); +static_assert(makeComplexWrap(1,0) == complex(1), ""); +static_assert(makeComplexWrap(1,0) != complex(0, 1), ""); } |
