Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp0x/explicit3.C @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 04ced10e8804 |
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// Test for "contextually converted to bool" // { dg-do compile { target c++11 } } struct A { explicit operator bool(); }; void f (bool); struct B { bool b; }; struct C { operator int(); }; struct D { operator int(); }; int main() { A a; C c; D d; // These contexts use an explicit bool conversion. if (a) {} for (; a; ) {} do {} while (a); while (a) {} a ? 1 : 0; a || true; a && true; !a; a ? c : 1; a ? c : d; // These do not. switch (a); // { dg-error "" } bool b = a; // { dg-error "" } f(a); // { dg-error "" } B b2 = { a }; // { dg-error "" } a + true; // { dg-error "5:no match" } b ? a : true; // { dg-error "5:?:" } a ? a : true; // { dg-error "5:?:" } }