forked from mirrors/gecko-dev
722ad026a3
With this change, we could share this EnumTypeTraits between files easily. MozReview-Commit-ID: 9Q2augati7l --HG-- extra : rebase_source : b7d9fc95d9d7722ba3eb99ec9798a64ebdbeb484
136 lines
5 KiB
C++
136 lines
5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/IntegerTypeTraits.h"
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#include "mozilla/EnumTypeTraits.h"
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using namespace mozilla;
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/* Feature check for EnumTypeFitsWithin. */
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#define MAKE_FIXED_EMUM_FOR_TYPE(IntType) \
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enum FixedEnumFor_##IntType : IntType { \
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A_##IntType, \
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B_##IntType, \
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C_##IntType, \
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};
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template<typename EnumType, typename IntType>
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static void
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TestShouldFit()
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{
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static_assert(EnumTypeFitsWithin<EnumType, IntType>::value,
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"Should fit within exact/promoted integral type");
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}
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template<typename EnumType, typename IntType>
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static void
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TestShouldNotFit()
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{
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static_assert(!EnumTypeFitsWithin<EnumType, IntType>::value,
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"Should not fit within");
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}
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int
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main()
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{
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// check for int8_t
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MAKE_FIXED_EMUM_FOR_TYPE(int8_t);
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TestShouldFit<FixedEnumFor_int8_t, int8_t>();
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TestShouldFit<FixedEnumFor_int8_t, int16_t>();
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TestShouldFit<FixedEnumFor_int8_t, int32_t>();
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TestShouldFit<FixedEnumFor_int8_t, int64_t>();
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TestShouldNotFit<FixedEnumFor_int8_t, uint8_t>();
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TestShouldNotFit<FixedEnumFor_int8_t, uint16_t>();
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TestShouldNotFit<FixedEnumFor_int8_t, uint32_t>();
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TestShouldNotFit<FixedEnumFor_int8_t, uint64_t>();
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// check for uint8_t
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MAKE_FIXED_EMUM_FOR_TYPE(uint8_t);
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TestShouldFit<FixedEnumFor_uint8_t, uint8_t>();
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TestShouldFit<FixedEnumFor_uint8_t, uint16_t>();
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TestShouldFit<FixedEnumFor_uint8_t, uint32_t>();
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TestShouldFit<FixedEnumFor_uint8_t, uint64_t>();
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TestShouldNotFit<FixedEnumFor_uint8_t, int8_t>();
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TestShouldFit<FixedEnumFor_uint8_t, int16_t>();
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TestShouldFit<FixedEnumFor_uint8_t, int32_t>();
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TestShouldFit<FixedEnumFor_uint8_t, int64_t>();
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// check for int16_t
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MAKE_FIXED_EMUM_FOR_TYPE(int16_t);
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TestShouldNotFit<FixedEnumFor_int16_t, int8_t>();
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TestShouldFit<FixedEnumFor_int16_t, int16_t>();
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TestShouldFit<FixedEnumFor_int16_t, int32_t>();
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TestShouldFit<FixedEnumFor_int16_t, int64_t>();
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TestShouldNotFit<FixedEnumFor_int16_t, uint8_t>();
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TestShouldNotFit<FixedEnumFor_int16_t, uint16_t>();
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TestShouldNotFit<FixedEnumFor_int16_t, uint32_t>();
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TestShouldNotFit<FixedEnumFor_int16_t, uint64_t>();
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// check for uint16_t
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MAKE_FIXED_EMUM_FOR_TYPE(uint16_t);
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TestShouldNotFit<FixedEnumFor_uint16_t, uint8_t>();
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TestShouldFit<FixedEnumFor_uint16_t, uint16_t>();
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TestShouldFit<FixedEnumFor_uint16_t, uint32_t>();
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TestShouldFit<FixedEnumFor_uint16_t, uint64_t>();
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TestShouldNotFit<FixedEnumFor_uint16_t, int8_t>();
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TestShouldNotFit<FixedEnumFor_uint16_t, int16_t>();
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TestShouldFit<FixedEnumFor_uint16_t, int32_t>();
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TestShouldFit<FixedEnumFor_uint16_t, int64_t>();
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// check for int32_t
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MAKE_FIXED_EMUM_FOR_TYPE(int32_t);
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TestShouldNotFit<FixedEnumFor_int32_t, int8_t>();
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TestShouldNotFit<FixedEnumFor_int32_t, int16_t>();
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TestShouldFit<FixedEnumFor_int32_t, int32_t>();
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TestShouldFit<FixedEnumFor_int32_t, int64_t>();
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TestShouldNotFit<FixedEnumFor_int32_t, uint8_t>();
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TestShouldNotFit<FixedEnumFor_int32_t, uint16_t>();
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TestShouldNotFit<FixedEnumFor_int32_t, uint32_t>();
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TestShouldNotFit<FixedEnumFor_int32_t, uint64_t>();
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// check for uint32_t
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MAKE_FIXED_EMUM_FOR_TYPE(uint32_t);
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TestShouldNotFit<FixedEnumFor_uint32_t, uint8_t>();
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TestShouldNotFit<FixedEnumFor_uint32_t, uint16_t>();
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TestShouldFit<FixedEnumFor_uint32_t, uint32_t>();
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TestShouldFit<FixedEnumFor_uint32_t, uint64_t>();
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TestShouldNotFit<FixedEnumFor_uint32_t, int8_t>();
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TestShouldNotFit<FixedEnumFor_uint32_t, int16_t>();
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TestShouldNotFit<FixedEnumFor_uint32_t, int32_t>();
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TestShouldFit<FixedEnumFor_uint32_t, int64_t>();
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// check for int64_t
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MAKE_FIXED_EMUM_FOR_TYPE(int64_t);
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TestShouldNotFit<FixedEnumFor_int64_t, int8_t>();
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TestShouldNotFit<FixedEnumFor_int64_t, int16_t>();
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TestShouldNotFit<FixedEnumFor_int64_t, int32_t>();
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TestShouldFit<FixedEnumFor_int64_t, int64_t>();
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TestShouldNotFit<FixedEnumFor_int64_t, uint8_t>();
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TestShouldNotFit<FixedEnumFor_int64_t, uint16_t>();
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TestShouldNotFit<FixedEnumFor_int64_t, uint32_t>();
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TestShouldNotFit<FixedEnumFor_int64_t, uint64_t>();
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// check for uint64_t
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MAKE_FIXED_EMUM_FOR_TYPE(uint64_t);
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TestShouldNotFit<FixedEnumFor_uint64_t, uint8_t>();
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TestShouldNotFit<FixedEnumFor_uint64_t, uint16_t>();
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TestShouldNotFit<FixedEnumFor_uint64_t, uint32_t>();
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TestShouldFit<FixedEnumFor_uint64_t, uint64_t>();
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TestShouldNotFit<FixedEnumFor_uint64_t, int8_t>();
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TestShouldNotFit<FixedEnumFor_uint64_t, int16_t>();
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TestShouldNotFit<FixedEnumFor_uint64_t, int32_t>();
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TestShouldNotFit<FixedEnumFor_uint64_t, int64_t>();
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return 0;
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}
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