/test/SemaCXX/warn-enum-compare.cpp
C++ | 212 lines | 178 code | 33 blank | 1 comment | 232 complexity | 52f74211b32ddeb6e28181bfeb6667bb MD5 | raw file
- // RUN: %clang_cc1 %s -fsyntax-only -verify
- enum Foo { FooA, FooB, FooC };
- enum Bar { BarD, BarE, BarF };
- enum { AnonAA = 42, AnonAB = 43 };
- enum { AnonBA = 44, AnonBB = 45 };
- namespace name1 {
- enum Foo {F1, F2, F3};
- enum Baz {B1, B2, B3};
- }
- namespace name2 {
- enum Baz {B1, B2, B3};
- }
- using name1::Baz;
- using name1::B1;
- using name2::B2;
- typedef name1::Foo oneFoo;
- typedef name1::Foo twoFoo;
- Foo getFoo();
- Bar getBar();
- void test () {
- Foo x = FooA;
- Bar y = BarD;
- Baz z = name1::B3;
- name1::Foo a;
- oneFoo b;
- twoFoo c;
- while (x == FooA);
- while (y == BarD);
- while (a == name1::F1);
- while (z == name1::B2);
- while (a == b);
- while (a == c);
- while (b == c);
- while (B1 == name1::B2);
- while (B2 == name2::B1);
- while (x == AnonAA); // expected-warning {{comparison of constant 42 with expression of type 'Foo' is always false}}
- while (AnonBB == y); // expected-warning {{comparison of constant 45 with expression of type 'Bar' is always false}}
- while (AnonAA == AnonAB);
- while (AnonAB == AnonBA);
- while (AnonBB == AnonAA);
- while ((x) == FooA);
- while ((y) == BarD);
- while ((a) == name1::F1);
- while (z == (name1::B2));
- while (a == (b));
- while (a == (c));
- while ((b) == (c));
- while ((B1) == (name1::B2));
- while ((B2) == (name2::B1));
- while (((x)) == FooA);
- while ((y) == (BarD));
- while ((a) == (name1::F1));
- while (z == (name1::B2));
- while ((a) == ((((b)))));
- while (((a)) == (c));
- while ((b) == (((c))));
- while ((((((B1))))) == (((name1::B2))));
- while (B2 == ((((((name2::B1)))))));
- while (B1 == B2); // expected-warning {{comparison of two values with different enumeration types ('name1::Baz' and 'name2::Baz')}}
- while (name1::B2 == name2::B3); // expected-warning {{comparison of two values with different enumeration types ('name1::Baz' and 'name2::Baz')}}
- while (z == name2::B2); // expected-warning {{comparison of two values with different enumeration types ('name1::Baz' and 'name2::Baz')}}
- while (((((B1)))) == B2); // expected-warning {{comparison of two values with different enumeration types ('name1::Baz' and 'name2::Baz')}}
- while (name1::B2 == (name2::B3)); // expected-warning {{comparison of two values with different enumeration types ('name1::Baz' and 'name2::Baz')}}
- while (z == ((((name2::B2))))); // expected-warning {{comparison of two values with different enumeration types ('name1::Baz' and 'name2::Baz')}}
- while ((((B1))) == (((B2)))); // expected-warning {{comparison of two values with different enumeration types ('name1::Baz' and 'name2::Baz')}}
- while ((name1::B2) == (((name2::B3)))); // expected-warning {{comparison of two values with different enumeration types ('name1::Baz' and 'name2::Baz')}}
- while ((((z))) == (name2::B2)); // expected-warning {{comparison of two values with different enumeration types ('name1::Baz' and 'name2::Baz')}}
- while (x == a); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'name1::Foo')}}
- while (x == b); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'oneFoo' (aka 'name1::Foo'))}}
- while (x == c); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'twoFoo' (aka 'name1::Foo'))}}
- while (x == y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (x != y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (x >= y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (x <= y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (x > y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (x < y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB == y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB != y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB >= y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB <= y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB > y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB < y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB == BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB != BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB >= BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB <= BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB > BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB < BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (x == BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (x != BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (x >= BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (x <= BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (x > BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (x < BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() == y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() != y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() >= y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() <= y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() > y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() < y); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() == BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() != BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() >= BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() <= BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() > BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() < BarD); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() == getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() != getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() >= getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() <= getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() > getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (getFoo() < getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB == getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB != getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB >= getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB <= getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB > getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (FooB < getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (x == getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (x != getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (x >= getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (x <= getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (x > getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (x < getBar()); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'Bar')}}
- while (y == x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (y != x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (y >= x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (y <= x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (y > x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (y < x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (y == FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (y != FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (y >= FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (y <= FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (y > FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (y < FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD == FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD != FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD >= FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD <= FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD > FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD <FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD == x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD != x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD >= x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD <= x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD < x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD > x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (y == getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (y != getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (y >= getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (y <= getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (y > getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (y < getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD == getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD != getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD >= getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD <= getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD > getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (BarD < getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() == getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() != getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() >= getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() <= getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() > getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() < getFoo()); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() == FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() != FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() >= FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() <= FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() > FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() < FooB); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() == x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() != x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() >= x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() <= x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() > x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- while (getBar() < x); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'Foo')}}
- }