forked from OSchip/llvm-project
67 lines
1.3 KiB
C++
67 lines
1.3 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -Wswitch-enum %s
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void test() {
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bool x = true;
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switch (x) { // expected-warning {{bool}}
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case 0:
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break;
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}
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int n = 3;
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switch (n && 1) { // expected-warning {{bool}}
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case 1:
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break;
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}
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}
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// PR5518
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struct A {
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operator int(); // expected-note{{conversion to integral type}}
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};
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void x() {
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switch(A()) {
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}
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}
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enum E { e1, e2 };
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struct B : A {
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operator E() const; // expected-note{{conversion to enumeration type}}
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};
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void x2() {
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switch (B()) { // expected-error{{multiple conversions}}
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}
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}
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struct C; // expected-note{{forward declaration}}
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void x3(C &c) {
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switch (c) { // expected-error{{incomplete class type}}
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}
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}
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namespace test3 {
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enum En { A, B, C };
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template <En how> void foo() {
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int x = 0, y = 5;
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switch (how) { //expected-warning {{no case matching constant switch condition '2'}}
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case A: x *= y; break;
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case B: x += y; break;
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// No case for C, but it's okay because we have a constant condition.
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}
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}
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template void foo<A>();
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template void foo<B>();
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template void foo<C>(); //expected-note {{in instantiation}}
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}
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// PR9304 and rdar://9045501
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void click_check_header_sizes() {
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switch (0 == 8) { // expected-warning {{switch condition has boolean value}}
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case 0: ;
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}
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}
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