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-rw-r--r--test/SemaCXX/warn-enum-compare.cpp74
1 files changed, 73 insertions, 1 deletions
diff --git a/test/SemaCXX/warn-enum-compare.cpp b/test/SemaCXX/warn-enum-compare.cpp
index 0c287948cd09..21dea5dfcb00 100644
--- a/test/SemaCXX/warn-enum-compare.cpp
+++ b/test/SemaCXX/warn-enum-compare.cpp
@@ -1,9 +1,12 @@
-// RUN: %clang_cc1 %s -fsyntax-only -verify
+// RUN: %clang_cc1 %s -fsyntax-only -verify -triple %itanium_abi_triple
+// RUN: %clang_cc1 %s -fsyntax-only -verify -triple %ms_abi_triple -DMSABI
enum Foo { FooA, FooB, FooC };
enum Bar { BarD, BarE, BarF };
enum { AnonAA = 42, AnonAB = 43 };
enum { AnonBA = 44, AnonBB = 45 };
+enum { Anon1, Anon2, Anon3 };
+typedef enum { TD1, TD2 } TD;
namespace name1 {
enum Foo {F1, F2, F3};
@@ -29,6 +32,7 @@ void test () {
name1::Foo a;
oneFoo b;
twoFoo c;
+ TD td;
while (x == FooA);
while (y == BarD);
@@ -39,8 +43,10 @@ void test () {
while (b == c);
while (B1 == name1::B2);
while (B2 == name2::B1);
+#ifndef MSABI
while (x == AnonAA); // expected-warning {{comparison of constant 'AnonAA' (42) with expression of type 'Foo' is always false}}
while (AnonBB == y); // expected-warning {{comparison of constant 'AnonBB' (45) with expression of type 'Bar' is always false}}
+#endif
while (AnonAA == AnonAB);
while (AnonAB == AnonBA);
while (AnonBB == AnonAA);
@@ -65,6 +71,11 @@ void test () {
while ((((((B1))))) == (((name1::B2))));
while (B2 == ((((((name2::B1)))))));
+ while (td == Anon1);
+#ifndef MSABI
+ while (td == AnonAA); // expected-warning {{comparison of constant 'AnonAA' (42) with expression of type 'TD' is always false}}
+#endif
+
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')}}
@@ -209,4 +220,65 @@ void test () {
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 (td == FooA); // expected-warning {{comparison of two values with different enumeration types ('TD' and 'Foo')}}
+ while (td == BarD); // expected-warning {{comparison of two values with different enumeration types ('TD' and 'Bar')}}
+ while (name1::F1 == td); // expected-warning {{comparison of two values with different enumeration types ('name1::Foo' and 'TD')}}
+ while (name2::B1 == td); // expected-warning {{comparison of two values with different enumeration types ('name2::Baz' and 'TD')}}
+ while (td == a); // expected-warning {{comparison of two values with different enumeration types ('TD' and 'name1::Foo')}}
+ while (td == b); // expected-warning {{comparison of two values with different enumeration types ('TD' and 'oneFoo' (aka 'name1::Foo'))}}
+ while (td == c); // expected-warning {{comparison of two values with different enumeration types ('TD' and 'twoFoo' (aka 'name1::Foo'))}}
+ while (td == x); // expected-warning {{comparison of two values with different enumeration types ('TD' and 'Foo')}}
+ while (td == y); // expected-warning {{comparison of two values with different enumeration types ('TD' and 'Bar')}}
+ while (td == z); // expected-warning {{comparison of two values with different enumeration types ('TD' and 'name1::Baz')}}
+
+ while (a == TD1); // expected-warning {{comparison of two values with different enumeration types ('name1::Foo' and 'TD')}}
+ while (b == TD2); // expected-warning {{comparison of two values with different enumeration types ('oneFoo' (aka 'name1::Foo') and 'TD')}}
+ while (c == TD1); // expected-warning {{comparison of two values with different enumeration types ('twoFoo' (aka 'name1::Foo') and 'TD')}}
+ while (x == TD2); // expected-warning {{comparison of two values with different enumeration types ('Foo' and 'TD')}}
+ while (y == TD1); // expected-warning {{comparison of two values with different enumeration types ('Bar' and 'TD')}}
+ while (z == TD2); // expected-warning {{comparison of two values with different enumeration types ('name1::Baz' and 'TD')}}
+
+ switch (a) {
+ case name1::F1: break;
+ case name1::F3: break;
+ case name2::B2: break; // expected-warning {{comparison of two values with different enumeration types in switch statement ('name1::Foo' and 'name2::Baz')}}
+ }
+
+ switch (x) {
+ case FooB: break;
+ case FooC: break;
+ case BarD: break; // expected-warning {{comparison of two values with different enumeration types in switch statement ('Foo' and 'Bar')}}
+ }
+
+ switch(getBar()) {
+ case BarE: break;
+ case BarF: break;
+ case FooA: break; // expected-warning {{comparison of two values with different enumeration types in switch statement ('Bar' and 'Foo')}}
+ }
+
+ switch(x) {
+ case AnonAA: break; // expected-warning {{case value not in enumerated type 'Foo'}}
+ case FooA: break;
+ case FooB: break;
+ case FooC: break;
+ }
+
+ switch (td) {
+ case TD1: break;
+ case FooB: break; // expected-warning {{comparison of two values with different enumeration types in switch statement ('TD' and 'Foo')}}
+ case BarF: break; // expected-warning {{comparison of two values with different enumeration types in switch statement ('TD' and 'Bar')}}
+ // expected-warning@-1 {{case value not in enumerated type 'TD'}}
+ case AnonAA: break; // expected-warning {{case value not in enumerated type 'TD'}}
+ }
+
+ switch (td) {
+ case Anon1: break;
+ case TD2: break;
+ }
+
+ switch (a) {
+ case TD1: break; // expected-warning {{comparison of two values with different enumeration types in switch statement ('name1::Foo' and 'TD')}}
+ case TD2: break; // expected-warning {{comparison of two values with different enumeration types in switch statement ('name1::Foo' and 'TD')}}
+ case name1::F3: break;
+ }
}