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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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,
#include "mozilla/DefineEnum.h"
// Sanity test for MOZ_DEFINE_ENUM.
MOZ_DEFINE_ENUM(TestEnum1, (EnumeratorA, EnumeratorB, EnumeratorC));
static_assert(EnumeratorA == 0, "Unexpected enumerator value");
static_assert(EnumeratorB == 1, "Unexpected enumerator value");
static_assert(EnumeratorC == 2, "Unexpected enumerator value");
static_assert(kHighestTestEnum1 == EnumeratorC, "Incorrect highest value");
static_assert(kTestEnum1Count == 3, "Incorrect enumerator count");
// Sanity test for MOZ_DEFINE_ENUM_CLASS.
MOZ_DEFINE_ENUM_CLASS(TestEnum2, (A, B, C));
static_assert(TestEnum2::A == TestEnum2(0), "Unexpected enumerator value");
static_assert(TestEnum2::B == TestEnum2(1), "Unexpected enumerator value");
static_assert(TestEnum2::C == TestEnum2(2), "Unexpected enumerator value");
static_assert(kHighestTestEnum2 == TestEnum2::C, "Incorrect highest value");
static_assert(kTestEnum2Count == 3, "Incorrect enumerator count");
// TODO: Test that the _WITH_BASE variants generate enumerators with the
// correct underlying types. To do this, we need an |UnderlyingType|
// type trait, which needs compiler support (recent versions of
// compilers in the GCC family provide an |__underlying_type| builtin
// for this purpose.
// Sanity test for MOZ_DEFINE_ENUM[_CLASS]_AT_CLASS_SCOPE.
struct TestClass {
// clang-format off
MOZ_DEFINE_ENUM_AT_CLASS_SCOPE(
TestEnum3, (
EnumeratorA,
EnumeratorB,
EnumeratorC
));
MOZ_DEFINE_ENUM_CLASS_AT_CLASS_SCOPE(
TestEnum4, (
A,
B,
C
));
// clang-format on
static_assert(EnumeratorA == 0, "Unexpected enumerator value");
static_assert(EnumeratorB == 1, "Unexpected enumerator value");
static_assert(EnumeratorC == 2, "Unexpected enumerator value");
static_assert(sHighestTestEnum3 == EnumeratorC, "Incorrect highest value");
static_assert(sTestEnum3Count == 3, "Incorrect enumerator count");
static_assert(TestEnum4::A == TestEnum4(0), "Unexpected enumerator value");
static_assert(TestEnum4::B == TestEnum4(1), "Unexpected enumerator value");
static_assert(TestEnum4::C == TestEnum4(2), "Unexpected enumerator value");
static_assert(sHighestTestEnum4 == TestEnum4::C, "Incorrect highest value");
static_assert(sTestEnum4Count == 3, "Incorrect enumerator count");
};
// Test that MOZ_DEFINE_ENUM doesn't allow giving enumerators initializers.
#ifdef CONFIRM_COMPILATION_ERRORS
MOZ_DEFINE_ENUM_CLASS(EnumWithInitializer1, (A = -1, B, C))
MOZ_DEFINE_ENUM_CLASS(EnumWithInitializer2, (A = 1, B, C))
MOZ_DEFINE_ENUM_CLASS(EnumWithInitializer3, (A, B = 6, C))
#endif
int main() {
// Nothing to do here, all tests are static_asserts.
return 0;
}