1 files changed, 86 insertions, 0 deletions
diff --git a/test/Sema/enum.c b/test/Sema/enum.c
new file mode 100644
index 0000000..adb9375
--- /dev/null
+++ b/test/Sema/enum.c
@@ -0,0 +1,86 @@
+// RUN: clang-cc %s -fsyntax-only -verify -pedantic
+enum e {A, 
+        B = 42LL << 32,        // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
+      C = -4, D = 12456 };
+
+enum f { a = -2147483648, b = 2147483647 }; // ok.
+
+enum g {  // too negative
+   c = -2147483649,         // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
+   d = 2147483647 };
+enum h { e = -2147483648, // too pos
+   f = 2147483648           // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
+}; 
+
+// minll maxull
+enum x                      // expected-warning {{enumeration values exceed range of largest integer}}
+{ y = -9223372036854775807LL-1,  // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
+z = 9223372036854775808ULL };    // expected-warning {{ISO C restricts enumerator values to range of 'int'}}
+
+int test() {
+  return sizeof(enum e) ;
+}
+
+enum gccForwardEnumExtension ve; // expected-warning{{ISO C forbids forward references to 'enum' types}} \
+// expected-error{{tentative definition has type 'enum gccForwardEnumExtension' that is never completed}} \
+// expected-note{{forward declaration of 'enum gccForwardEnumExtension'}}
+
+int test2(int i)
+{
+  ve + i; // expected-error{{invalid operands to binary expression}}
+}
+
+// PR2020
+union u0;    // expected-note {{previous use is here}}
+enum u0 { U0A }; // expected-error {{use of 'u0' with tag type that does not match previous declaration}}
+
+
+// rdar://6095136
+extern enum some_undefined_enum ve2; // expected-warning {{ISO C forbids forward references to 'enum' types}}
+
+void test4() {
+  for (; ve2;) // expected-error {{statement requires expression of scalar type}}
+    ;
+  (_Bool)ve2;  // expected-error {{arithmetic or pointer type is required}}
+
+  for (; ;ve2)
+    ;
+  (void)ve2;
+  ve2;         // expected-warning {{expression result unused}}
+}
+
+// PR2416
+enum someenum {};  // expected-warning {{use of empty enum extension}}
+
+// <rdar://problem/6093889>
+enum e0 { // expected-note {{previous definition is here}}
+  E0 = sizeof(enum e0 { E1 }), // expected-error {{nested redefinition}}
+};
+
+// PR3173
+enum { PR3173A, PR3173B = PR3173A+50 };
+
+// PR2753
+void foo() {
+  enum xpto; // expected-warning{{ISO C forbids forward references to 'enum' types}}
+  enum xpto; // expected-warning{{ISO C forbids forward references to 'enum' types}}
+}
+
+// <rdar://problem/6503878>
+typedef enum { X = 0 }; // expected-warning{{typedef requires a name}}
+
+
+enum NotYetComplete { // expected-note{{definition of 'enum NotYetComplete' is not complete until the closing '}'}}
+  NYC1 = sizeof(enum NotYetComplete) // expected-error{{invalid application of 'sizeof' to an incomplete type 'enum NotYetComplete'}}
+};
+
+/// PR3688
+struct s1 {
+  enum e1 (*bar)(void); // expected-warning{{ISO C forbids forward references to 'enum' types}}
+};
+
+enum e1 { YES, NO };
+
+static enum e1 badfunc(struct s1 *q) {
+  return q->bar();
+}