diff -r 000000000000 -r 6474c204b198 mfbt/tests/TestTypedEnum.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mfbt/tests/TestTypedEnum.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,570 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/Assertions.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/TypedEnum.h"
+#include "mozilla/TypedEnumBits.h"
+
+#include <stdint.h>
+
+// A rough feature check for is_literal_type. Not very carefully checked.
+// Feel free to amend as needed.
+// We leave ANDROID out because it's using stlport which doesn't have std::is_literal_type.
+#if __cplusplus >= 201103L && !defined(ANDROID)
+#  if defined(__clang__)
+     /*
+      * Per Clang documentation, "Note that marketing version numbers should not
+      * be used to check for language features, as different vendors use different
+      * numbering schemes. Instead, use the feature checking macros."
+      */
+#    ifndef __has_extension
+#      define __has_extension __has_feature /* compatibility, for older versions of clang */
+#    endif
+#    if __has_extension(is_literal) && __has_include(<type_traits>)
+#      define MOZ_HAVE_IS_LITERAL
+#    endif
+#  elif defined(__GNUC__)
+#    if defined(__GXX_EXPERIMENTAL_CXX0X__)
+#      if MOZ_GCC_VERSION_AT_LEAST(4, 6, 0)
+#        define MOZ_HAVE_IS_LITERAL
+#      endif
+#    endif
+#  elif defined(_MSC_VER)
+#    if _MSC_VER >= 1700
+#      define MOZ_HAVE_IS_LITERAL
+#    endif
+#  endif
+#endif
+
+#ifdef MOZ_HAVE_IS_LITERAL
+#include <type_traits>
+template<typename T>
+void
+RequireLiteralType()
+{
+  static_assert(std::is_literal_type<T>::value, "Expected a literal type");
+}
+#else // not MOZ_HAVE_IS_LITERAL
+template<typename T>
+void
+RequireLiteralType()
+{
+}
+#endif
+
+template<typename T>
+void
+RequireLiteralType(const T&)
+{
+  RequireLiteralType<T>();
+}
+
+MOZ_BEGIN_ENUM_CLASS(AutoEnum)
+  A,
+  B = -3,
+  C
+MOZ_END_ENUM_CLASS(AutoEnum)
+
+MOZ_BEGIN_ENUM_CLASS(CharEnum, char)
+  A,
+  B = 3,
+  C
+MOZ_END_ENUM_CLASS(CharEnum)
+
+MOZ_BEGIN_ENUM_CLASS(AutoEnumBitField)
+  A = 0x10,
+  B = 0x20,
+  C
+MOZ_END_ENUM_CLASS(AutoEnumBitField)
+
+MOZ_BEGIN_ENUM_CLASS(CharEnumBitField, char)
+  A = 0x10,
+  B,
+  C = 0x40
+MOZ_END_ENUM_CLASS(CharEnumBitField)
+
+struct Nested
+{
+  MOZ_BEGIN_NESTED_ENUM_CLASS(AutoEnum)
+    A,
+    B,
+    C = -1
+  MOZ_END_NESTED_ENUM_CLASS(AutoEnum)
+
+  MOZ_BEGIN_NESTED_ENUM_CLASS(CharEnum, char)
+    A = 4,
+    B,
+    C = 1
+  MOZ_END_NESTED_ENUM_CLASS(CharEnum)
+
+  MOZ_BEGIN_NESTED_ENUM_CLASS(AutoEnumBitField)
+    A,
+    B = 0x20,
+    C
+  MOZ_END_NESTED_ENUM_CLASS(AutoEnumBitField)
+
+  MOZ_BEGIN_NESTED_ENUM_CLASS(CharEnumBitField, char)
+    A = 1,
+    B = 1,
+    C = 1
+  MOZ_END_NESTED_ENUM_CLASS(CharEnumBitField)
+};
+
+MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(AutoEnumBitField)
+MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(CharEnumBitField)
+MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(Nested::AutoEnumBitField)
+MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(Nested::CharEnumBitField)
+
+#define MAKE_STANDARD_BITFIELD_FOR_TYPE(IntType)                   \
+  MOZ_BEGIN_ENUM_CLASS(BitFieldFor_##IntType, IntType)             \
+    A = 1,                                                         \
+    B = 2,                                                         \
+    C = 4,                                                         \
+  MOZ_END_ENUM_CLASS(BitFieldFor_##IntType)                        \
+  MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(BitFieldFor_##IntType)
+
+MAKE_STANDARD_BITFIELD_FOR_TYPE(int8_t)
+MAKE_STANDARD_BITFIELD_FOR_TYPE(uint8_t)
+MAKE_STANDARD_BITFIELD_FOR_TYPE(int16_t)
+MAKE_STANDARD_BITFIELD_FOR_TYPE(uint16_t)
+MAKE_STANDARD_BITFIELD_FOR_TYPE(int32_t)
+MAKE_STANDARD_BITFIELD_FOR_TYPE(uint32_t)
+MAKE_STANDARD_BITFIELD_FOR_TYPE(int64_t)
+MAKE_STANDARD_BITFIELD_FOR_TYPE(uint64_t)
+MAKE_STANDARD_BITFIELD_FOR_TYPE(char)
+typedef signed char signed_char;
+MAKE_STANDARD_BITFIELD_FOR_TYPE(signed_char)
+typedef unsigned char unsigned_char;
+MAKE_STANDARD_BITFIELD_FOR_TYPE(unsigned_char)
+MAKE_STANDARD_BITFIELD_FOR_TYPE(short)
+typedef unsigned short unsigned_short;
+MAKE_STANDARD_BITFIELD_FOR_TYPE(unsigned_short)
+MAKE_STANDARD_BITFIELD_FOR_TYPE(int)
+typedef unsigned int unsigned_int;
+MAKE_STANDARD_BITFIELD_FOR_TYPE(unsigned_int)
+MAKE_STANDARD_BITFIELD_FOR_TYPE(long)
+typedef unsigned long unsigned_long;
+MAKE_STANDARD_BITFIELD_FOR_TYPE(unsigned_long)
+typedef long long long_long;
+MAKE_STANDARD_BITFIELD_FOR_TYPE(long_long)
+typedef unsigned long long unsigned_long_long;
+MAKE_STANDARD_BITFIELD_FOR_TYPE(unsigned_long_long)
+
+#undef MAKE_STANDARD_BITFIELD_FOR_TYPE
+
+template<typename T>
+void
+TestNonConvertibilityForOneType()
+{
+  using mozilla::IsConvertible;
+
+#if defined(MOZ_HAVE_CXX11_STRONG_ENUMS) && defined(MOZ_HAVE_EXPLICIT_CONVERSION)
+  static_assert(!IsConvertible<T, bool>::value, "should not be convertible");
+  static_assert(!IsConvertible<T, int>::value, "should not be convertible");
+  static_assert(!IsConvertible<T, uint64_t>::value, "should not be convertible");
+#endif
+
+  static_assert(!IsConvertible<bool, T>::value, "should not be convertible");
+  static_assert(!IsConvertible<int, T>::value, "should not be convertible");
+  static_assert(!IsConvertible<uint64_t, T>::value, "should not be convertible");
+}
+
+template<typename TypedEnum>
+void
+TestTypedEnumBasics()
+{
+  const TypedEnum a = TypedEnum::A;
+  int unused = int(a);
+  (void) unused;
+  RequireLiteralType(TypedEnum::A);
+  RequireLiteralType(a);
+  TestNonConvertibilityForOneType<TypedEnum>();
+}
+
+// Op wraps a bitwise binary operator, passed as a char template parameter,
+// and applies it to its arguments (t1, t2). For example,
+//
+//   Op<'|'>(t1, t2)
+//
+// is the same as
+//
+//   t1 | t2.
+//
+template<char o, typename T1, typename T2>
+auto Op(const T1& t1, const T2& t2)
+  -> decltype(t1 | t2) // See the static_assert's below --- the return type
+                       // depends solely on the operands type, not on the
+                       // choice of operation.
+{
+  using mozilla::IsSame;
+  static_assert(IsSame<decltype(t1 | t2), decltype(t1 & t2)>::value,
+                "binary ops should have the same result type");
+  static_assert(IsSame<decltype(t1 | t2), decltype(t1 ^ t2)>::value,
+                "binary ops should have the same result type");
+
+  static_assert(o == '|' ||
+                o == '&' ||
+                o == '^', "unexpected operator character");
+
+  return o == '|' ? t1 | t2
+       : o == '&' ? t1 & t2
+                  : t1 ^ t2;
+}
+
+// OpAssign wraps a bitwise binary operator, passed as a char template
+// parameter, and applies the corresponding compound-assignment operator to its
+// arguments (t1, t2). For example,
+//
+//   OpAssign<'|'>(t1, t2)
+//
+// is the same as
+//
+//   t1 |= t2.
+//
+template<char o, typename T1, typename T2>
+T1& OpAssign(T1& t1, const T2& t2)
+{
+  static_assert(o == '|' ||
+                o == '&' ||
+                o == '^', "unexpected operator character");
+
+  switch (o) {
+    case '|': return t1 |= t2;
+    case '&': return t1 &= t2;
+    case '^': return t1 ^= t2;
+    default: MOZ_CRASH();
+  }
+}
+
+// Tests a single binary bitwise operator, using a single set of three operands.
+// The operations tested are:
+//
+//   result = t1 Op t2;
+//   result Op= t3;
+//
+// Where Op is the operator specified by the char template parameter 'o' and can
+// be any of '|', '&', '^'.
+//
+// Note that the operands t1, t2, t3 are intentionally passed with free types
+// (separate template parameters for each) because their type may actually be
+// different from TypedEnum:
+//   1) Their type could be CastableTypedEnumResult<TypedEnum> if they are
+//      the result of a bitwise operation themselves;
+//   2) In the non-c++11 legacy path, the type of enum values is also
+//      different from TypedEnum.
+//
+template<typename TypedEnum, char o, typename T1, typename T2, typename T3>
+void TestBinOp(const T1& t1, const T2& t2, const T3& t3)
+{
+  typedef typename mozilla::detail::UnsignedIntegerTypeForEnum<TypedEnum>::Type
+          UnsignedIntegerType;
+
+  // Part 1:
+  // Test the bitwise binary operator i.e.
+  //   result = t1 Op t2;
+  auto result = Op<o>(t1, t2);
+
+  typedef decltype(result) ResultType;
+
+  RequireLiteralType<ResultType>();
+  TestNonConvertibilityForOneType<ResultType>();
+
+  UnsignedIntegerType unsignedIntegerResult
+    = Op<o>(UnsignedIntegerType(t1), UnsignedIntegerType(t2));
+
+  MOZ_RELEASE_ASSERT(unsignedIntegerResult == UnsignedIntegerType(result));
+  MOZ_RELEASE_ASSERT(TypedEnum(unsignedIntegerResult) == TypedEnum(result));
+  MOZ_RELEASE_ASSERT((!unsignedIntegerResult) == (!result));
+  MOZ_RELEASE_ASSERT((!!unsignedIntegerResult) == (!!result));
+  MOZ_RELEASE_ASSERT(bool(unsignedIntegerResult) == bool(result));
+
+  // Part 2:
+  // Test the compound-assignment operator, i.e.
+  //   result Op= t3;
+  TypedEnum newResult = result;
+  OpAssign<o>(newResult, t3);
+  UnsignedIntegerType unsignedIntegerNewResult = unsignedIntegerResult;
+  OpAssign<o>(unsignedIntegerNewResult, UnsignedIntegerType(t3));
+  MOZ_RELEASE_ASSERT(TypedEnum(unsignedIntegerNewResult) == newResult);
+
+  // Part 3:
+  // Test additional boolean operators that we unfortunately had to add to
+  // CastableTypedEnumResult at some point to please some compiler,
+  // even though bool convertibility should have been enough.
+  MOZ_RELEASE_ASSERT(result == TypedEnum(result));
+  MOZ_RELEASE_ASSERT(!(result != TypedEnum(result)));
+  MOZ_RELEASE_ASSERT((result && true) == bool(result));
+  MOZ_RELEASE_ASSERT((result && false) == false);
+  MOZ_RELEASE_ASSERT((true && result) == bool(result));
+  MOZ_RELEASE_ASSERT((false && result && false) == false);
+  MOZ_RELEASE_ASSERT((result || false) == bool(result));
+  MOZ_RELEASE_ASSERT((result || true) == true);
+  MOZ_RELEASE_ASSERT((false || result) == bool(result));
+  MOZ_RELEASE_ASSERT((true || result) == true);
+}
+
+// Similar to TestBinOp but testing the unary ~ operator.
+template<typename TypedEnum, typename T>
+void TestTilde(const T& t)
+{
+  typedef typename mozilla::detail::UnsignedIntegerTypeForEnum<TypedEnum>::Type
+          UnsignedIntegerType;
+
+  auto result = ~t;
+
+  typedef decltype(result) ResultType;
+
+  RequireLiteralType<ResultType>();
+  TestNonConvertibilityForOneType<ResultType>();
+
+  UnsignedIntegerType unsignedIntegerResult = ~(UnsignedIntegerType(t));
+
+  MOZ_RELEASE_ASSERT(unsignedIntegerResult == UnsignedIntegerType(result));
+  MOZ_RELEASE_ASSERT(TypedEnum(unsignedIntegerResult) == TypedEnum(result));
+  MOZ_RELEASE_ASSERT((!unsignedIntegerResult) == (!result));
+  MOZ_RELEASE_ASSERT((!!unsignedIntegerResult) == (!!result));
+  MOZ_RELEASE_ASSERT(bool(unsignedIntegerResult) == bool(result));
+}
+
+// Helper dispatching a given triple of operands to all operator-specific
+// testing functions.
+template<typename TypedEnum, typename T1, typename T2, typename T3>
+void TestAllOpsForGivenOperands(const T1& t1, const T2& t2, const T3& t3)
+{
+  TestBinOp<TypedEnum, '|'>(t1, t2, t3);
+  TestBinOp<TypedEnum, '&'>(t1, t2, t3);
+  TestBinOp<TypedEnum, '^'>(t1, t2, t3);
+  TestTilde<TypedEnum>(t1);
+}
+
+// Helper building various triples of operands using a given operator,
+// and testing all operators with them.
+template<typename TypedEnum, char o>
+void TestAllOpsForOperandsBuiltUsingGivenOp()
+{
+  // The type of enum values like TypedEnum::A may be different from
+  // TypedEnum. That is the case in the legacy non-C++11 path. We want to
+  // ensure good test coverage even when these two types are distinct.
+  // To that effect, we have both 'auto' typed variables, preserving the
+  // original type of enum values, and 'plain' typed variables, that
+  // are plain TypedEnum's.
+
+  const TypedEnum a_plain = TypedEnum::A;
+  const TypedEnum b_plain = TypedEnum::B;
+  const TypedEnum c_plain = TypedEnum::C;
+
+  auto a_auto = TypedEnum::A;
+  auto b_auto = TypedEnum::B;
+  auto c_auto = TypedEnum::C;
+
+  auto ab_plain = Op<o>(a_plain, b_plain);
+  auto bc_plain = Op<o>(b_plain, c_plain);
+  auto ab_auto = Op<o>(a_auto, b_auto);
+  auto bc_auto = Op<o>(b_auto, c_auto);
+
+  // On each row below, we pass a triple of operands. Keep in mind that this
+  // is going to be received as (t1, t2, t3) and the actual tests performed
+  // will be of the form
+  //
+  //   result = t1 Op t2;
+  //   result Op= t3;
+  //
+  // For this reason, we carefully ensure that the values of (t1, t2)
+  // systematically cover all types of such pairs; to limit complexity,
+  // we are not so careful with t3, and we just try to pass t3's
+  // that may lead to nontrivial bitwise operations.
+  TestAllOpsForGivenOperands<TypedEnum>(a_plain,  b_plain,  c_plain);
+  TestAllOpsForGivenOperands<TypedEnum>(a_plain,  bc_plain, b_auto);
+  TestAllOpsForGivenOperands<TypedEnum>(ab_plain, c_plain,  a_plain);
+  TestAllOpsForGivenOperands<TypedEnum>(ab_plain, bc_plain, a_auto);
+
+  TestAllOpsForGivenOperands<TypedEnum>(a_plain,  b_auto,   c_plain);
+  TestAllOpsForGivenOperands<TypedEnum>(a_plain,  bc_auto,  b_auto);
+  TestAllOpsForGivenOperands<TypedEnum>(ab_plain, c_auto,   a_plain);
+  TestAllOpsForGivenOperands<TypedEnum>(ab_plain, bc_auto,  a_auto);
+
+  TestAllOpsForGivenOperands<TypedEnum>(a_auto,   b_plain,  c_plain);
+  TestAllOpsForGivenOperands<TypedEnum>(a_auto,   bc_plain, b_auto);
+  TestAllOpsForGivenOperands<TypedEnum>(ab_auto,  c_plain,  a_plain);
+  TestAllOpsForGivenOperands<TypedEnum>(ab_auto,  bc_plain, a_auto);
+
+  TestAllOpsForGivenOperands<TypedEnum>(a_auto,   b_auto,   c_plain);
+  TestAllOpsForGivenOperands<TypedEnum>(a_auto,   bc_auto,  b_auto);
+  TestAllOpsForGivenOperands<TypedEnum>(ab_auto,  c_auto,   a_plain);
+  TestAllOpsForGivenOperands<TypedEnum>(ab_auto,  bc_auto,  a_auto);
+}
+
+// Tests all bitwise operations on a given TypedEnum bitfield.
+template<typename TypedEnum>
+void
+TestTypedEnumBitField()
+{
+  TestTypedEnumBasics<TypedEnum>();
+
+  TestAllOpsForOperandsBuiltUsingGivenOp<TypedEnum, '|'>();
+  TestAllOpsForOperandsBuiltUsingGivenOp<TypedEnum, '&'>();
+  TestAllOpsForOperandsBuiltUsingGivenOp<TypedEnum, '^'>();
+}
+
+// Checks that enum bitwise expressions have the same non-convertibility properties as
+// c++11 enum classes do, i.e. not implicitly convertible to anything
+// (though *explicitly* convertible).
+void TestNoConversionsBetweenUnrelatedTypes()
+{
+  using mozilla::IsConvertible;
+
+  // Two typed enum classes having the same underlying integer type, to ensure that
+  // we would catch bugs accidentally allowing conversions in that case.
+  typedef CharEnumBitField T1;
+  typedef Nested::CharEnumBitField T2;
+
+  static_assert(!IsConvertible<T1, T2>::value,
+                "should not be convertible");
+  static_assert(!IsConvertible<T1, decltype(T2::A)>::value,
+                "should not be convertible");
+  static_assert(!IsConvertible<T1, decltype(T2::A | T2::B)>::value,
+                "should not be convertible");
+
+  static_assert(!IsConvertible<decltype(T1::A), T2>::value,
+                "should not be convertible");
+  static_assert(!IsConvertible<decltype(T1::A), decltype(T2::A)>::value,
+                "should not be convertible");
+  static_assert(!IsConvertible<decltype(T1::A), decltype(T2::A | T2::B)>::value,
+                "should not be convertible");
+
+  // The following are #ifdef MOZ_HAVE_EXPLICIT_CONVERSION because
+  // without support for explicit conversion operators, we can't easily have these
+  // bad conversions completely removed. They still do fail to compile in practice,
+  // but not in a way that we can static_assert on.
+#ifdef MOZ_HAVE_EXPLICIT_CONVERSION
+  static_assert(!IsConvertible<decltype(T1::A | T1::B), T2>::value,
+                "should not be convertible");
+  static_assert(!IsConvertible<decltype(T1::A | T1::B), decltype(T2::A)>::value,
+                "should not be convertible");
+  static_assert(!IsConvertible<decltype(T1::A | T1::B), decltype(T2::A | T2::B)>::value,
+                "should not be convertible");
+#endif
+}
+
+MOZ_BEGIN_ENUM_CLASS(Int8EnumWithHighBits, int8_t)
+  A = 0x20,
+  B = 0x40
+MOZ_END_ENUM_CLASS(Int8EnumWithHighBits)
+MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(Int8EnumWithHighBits)
+
+MOZ_BEGIN_ENUM_CLASS(Uint8EnumWithHighBits, uint8_t)
+  A = 0x40,
+  B = 0x80
+MOZ_END_ENUM_CLASS(Uint8EnumWithHighBits)
+MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(Uint8EnumWithHighBits)
+
+MOZ_BEGIN_ENUM_CLASS(Int16EnumWithHighBits, int16_t)
+  A = 0x2000,
+  B = 0x4000
+MOZ_END_ENUM_CLASS(Int16EnumWithHighBits)
+MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(Int16EnumWithHighBits)
+
+MOZ_BEGIN_ENUM_CLASS(Uint16EnumWithHighBits, uint16_t)
+  A = 0x4000,
+  B = 0x8000
+MOZ_END_ENUM_CLASS(Uint16EnumWithHighBits)
+MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(Uint16EnumWithHighBits)
+
+MOZ_BEGIN_ENUM_CLASS(Int32EnumWithHighBits, int32_t)
+  A = 0x20000000,
+  B = 0x40000000
+MOZ_END_ENUM_CLASS(Int32EnumWithHighBits)
+MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(Int32EnumWithHighBits)
+
+MOZ_BEGIN_ENUM_CLASS(Uint32EnumWithHighBits, uint32_t)
+  A = 0x40000000u,
+  B = 0x80000000u
+MOZ_END_ENUM_CLASS(Uint32EnumWithHighBits)
+MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(Uint32EnumWithHighBits)
+
+MOZ_BEGIN_ENUM_CLASS(Int64EnumWithHighBits, int64_t)
+  A = 0x2000000000000000ll,
+  B = 0x4000000000000000ll
+MOZ_END_ENUM_CLASS(Int64EnumWithHighBits)
+MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(Int64EnumWithHighBits)
+
+MOZ_BEGIN_ENUM_CLASS(Uint64EnumWithHighBits, uint64_t)
+  A = 0x4000000000000000ull,
+  B = 0x8000000000000000ull
+MOZ_END_ENUM_CLASS(Uint64EnumWithHighBits)
+MOZ_MAKE_ENUM_CLASS_BITWISE_OPERATORS(Uint64EnumWithHighBits)
+
+// Checks that we don't accidentally truncate high bits by coercing to the wrong
+// integer type internally when implementing bitwise ops.
+template<typename EnumType, typename IntType>
+void TestIsNotTruncated()
+{
+  EnumType a = EnumType::A;
+  EnumType b = EnumType::B;
+  MOZ_RELEASE_ASSERT(IntType(a));
+  MOZ_RELEASE_ASSERT(IntType(b));
+  MOZ_RELEASE_ASSERT(a | EnumType::B);
+  MOZ_RELEASE_ASSERT(a | b);
+  MOZ_RELEASE_ASSERT(EnumType::A | EnumType::B);
+  EnumType c = EnumType::A | EnumType::B;
+  MOZ_RELEASE_ASSERT(IntType(c));
+  MOZ_RELEASE_ASSERT(c & c);
+  MOZ_RELEASE_ASSERT(c | c);
+  MOZ_RELEASE_ASSERT(c == (EnumType::A | EnumType::B));
+  MOZ_RELEASE_ASSERT(a != (EnumType::A | EnumType::B));
+  MOZ_RELEASE_ASSERT(b != (EnumType::A | EnumType::B));
+  MOZ_RELEASE_ASSERT(c & EnumType::A);
+  MOZ_RELEASE_ASSERT(c & EnumType::B);
+  EnumType d = EnumType::A;
+  d |= EnumType::B;
+  MOZ_RELEASE_ASSERT(d == c);
+}
+
+int
+main()
+{
+  TestTypedEnumBasics<AutoEnum>();
+  TestTypedEnumBasics<CharEnum>();
+  TestTypedEnumBasics<Nested::AutoEnum>();
+  TestTypedEnumBasics<Nested::CharEnum>();
+
+  TestTypedEnumBitField<AutoEnumBitField>();
+  TestTypedEnumBitField<CharEnumBitField>();
+  TestTypedEnumBitField<Nested::AutoEnumBitField>();
+  TestTypedEnumBitField<Nested::CharEnumBitField>();
+
+  TestTypedEnumBitField<BitFieldFor_uint8_t>();
+  TestTypedEnumBitField<BitFieldFor_int8_t>();
+  TestTypedEnumBitField<BitFieldFor_uint16_t>();
+  TestTypedEnumBitField<BitFieldFor_int16_t>();
+  TestTypedEnumBitField<BitFieldFor_uint32_t>();
+  TestTypedEnumBitField<BitFieldFor_int32_t>();
+  TestTypedEnumBitField<BitFieldFor_uint64_t>();
+  TestTypedEnumBitField<BitFieldFor_int64_t>();
+  TestTypedEnumBitField<BitFieldFor_char>();
+  TestTypedEnumBitField<BitFieldFor_signed_char>();
+  TestTypedEnumBitField<BitFieldFor_unsigned_char>();
+  TestTypedEnumBitField<BitFieldFor_short>();
+  TestTypedEnumBitField<BitFieldFor_unsigned_short>();
+  TestTypedEnumBitField<BitFieldFor_int>();
+  TestTypedEnumBitField<BitFieldFor_unsigned_int>();
+  TestTypedEnumBitField<BitFieldFor_long>();
+  TestTypedEnumBitField<BitFieldFor_unsigned_long>();
+  TestTypedEnumBitField<BitFieldFor_long_long>();
+  TestTypedEnumBitField<BitFieldFor_unsigned_long_long>();
+
+  TestNoConversionsBetweenUnrelatedTypes();
+
+  TestIsNotTruncated<Int8EnumWithHighBits, int8_t>();
+  TestIsNotTruncated<Int16EnumWithHighBits, int16_t>();
+  TestIsNotTruncated<Int32EnumWithHighBits, int32_t>();
+  TestIsNotTruncated<Int64EnumWithHighBits, int64_t>();
+  TestIsNotTruncated<Uint8EnumWithHighBits, uint8_t>();
+  TestIsNotTruncated<Uint16EnumWithHighBits, uint16_t>();
+  TestIsNotTruncated<Uint32EnumWithHighBits, uint32_t>();
+  TestIsNotTruncated<Uint64EnumWithHighBits, uint64_t>();
+
+  return 0;
+}