diff options
Diffstat (limited to 'clang/test/SemaCXX/warn-enum-compare.cpp')
| -rw-r--r-- | clang/test/SemaCXX/warn-enum-compare.cpp | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/clang/test/SemaCXX/warn-enum-compare.cpp b/clang/test/SemaCXX/warn-enum-compare.cpp new file mode 100644 index 0000000..52639e7 --- /dev/null +++ b/clang/test/SemaCXX/warn-enum-compare.cpp @@ -0,0 +1,212 @@ +// 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); + while (AnonBB == y); + 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')}} + +} |