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81 lines
3.5 KiB
C++
81 lines
3.5 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/Casting.h"
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#include "mozilla/StandardInteger.h"
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using mozilla::detail::IsInBounds;
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static void
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TestSameSize()
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{
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MOZ_ASSERT((IsInBounds<int16_t, int16_t>(int16_t(0))));
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MOZ_ASSERT((IsInBounds<int16_t, int16_t>(int16_t(INT16_MIN))));
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MOZ_ASSERT((IsInBounds<int16_t, int16_t>(int16_t(INT16_MAX))));
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MOZ_ASSERT((IsInBounds<uint16_t, uint16_t>(uint16_t(UINT16_MAX))));
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MOZ_ASSERT((IsInBounds<uint16_t, int16_t>(uint16_t(0))));
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MOZ_ASSERT((!IsInBounds<uint16_t, int16_t>(uint16_t(-1))));
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MOZ_ASSERT((!IsInBounds<int16_t, uint16_t>(int16_t(-1))));
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MOZ_ASSERT((IsInBounds<int16_t, uint16_t>(int16_t(INT16_MAX))));
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MOZ_ASSERT((!IsInBounds<int16_t, uint16_t>(int16_t(INT16_MIN))));
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MOZ_ASSERT((IsInBounds<int32_t, uint32_t>(int32_t(INT32_MAX))));
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MOZ_ASSERT((!IsInBounds<int32_t, uint32_t>(int32_t(INT32_MIN))));
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}
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static void
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TestToBiggerSize()
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{
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MOZ_ASSERT((IsInBounds<int16_t, int32_t>(int16_t(0))));
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MOZ_ASSERT((IsInBounds<int16_t, int32_t>(int16_t(INT16_MIN))));
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MOZ_ASSERT((IsInBounds<int16_t, int32_t>(int16_t(INT16_MAX))));
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MOZ_ASSERT((IsInBounds<uint16_t, uint32_t>(uint16_t(UINT16_MAX))));
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MOZ_ASSERT((IsInBounds<uint16_t, int32_t>(uint16_t(0))));
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MOZ_ASSERT((IsInBounds<uint16_t, int32_t>(uint16_t(-1))));
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MOZ_ASSERT((!IsInBounds<int16_t, uint32_t>(int16_t(-1))));
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MOZ_ASSERT((IsInBounds<int16_t, uint32_t>(int16_t(INT16_MAX))));
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MOZ_ASSERT((!IsInBounds<int16_t, uint32_t>(int16_t(INT16_MIN))));
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MOZ_ASSERT((IsInBounds<int32_t, uint64_t>(int32_t(INT32_MAX))));
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MOZ_ASSERT((!IsInBounds<int32_t, uint64_t>(int32_t(INT32_MIN))));
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}
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static void
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TestToSmallerSize()
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{
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MOZ_ASSERT((IsInBounds<int16_t, int8_t>(int16_t(0))));
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MOZ_ASSERT((!IsInBounds<int16_t, int8_t>(int16_t(INT16_MIN))));
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MOZ_ASSERT((!IsInBounds<int16_t, int8_t>(int16_t(INT16_MAX))));
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MOZ_ASSERT((!IsInBounds<uint16_t, uint8_t>(uint16_t(UINT16_MAX))));
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MOZ_ASSERT((IsInBounds<uint16_t, int8_t>(uint16_t(0))));
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MOZ_ASSERT((!IsInBounds<uint16_t, int8_t>(uint16_t(-1))));
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MOZ_ASSERT((!IsInBounds<int16_t, uint8_t>(int16_t(-1))));
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MOZ_ASSERT((!IsInBounds<int16_t, uint8_t>(int16_t(INT16_MAX))));
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MOZ_ASSERT((!IsInBounds<int16_t, uint8_t>(int16_t(INT16_MIN))));
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MOZ_ASSERT((!IsInBounds<int32_t, uint16_t>(int32_t(INT32_MAX))));
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MOZ_ASSERT((!IsInBounds<int32_t, uint16_t>(int32_t(INT32_MIN))));
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// Boundary cases
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MOZ_ASSERT((!IsInBounds<int64_t, int32_t>(int64_t(INT32_MIN) - 1)));
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MOZ_ASSERT((IsInBounds<int64_t, int32_t>(int64_t(INT32_MIN))));
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MOZ_ASSERT((IsInBounds<int64_t, int32_t>(int64_t(INT32_MIN) + 1)));
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MOZ_ASSERT((IsInBounds<int64_t, int32_t>(int64_t(INT32_MAX) - 1)));
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MOZ_ASSERT((IsInBounds<int64_t, int32_t>(int64_t(INT32_MAX))));
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MOZ_ASSERT((!IsInBounds<int64_t, int32_t>(int64_t(INT32_MAX) + 1)));
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MOZ_ASSERT((!IsInBounds<int64_t, uint32_t>(int64_t(-1))));
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MOZ_ASSERT((IsInBounds<int64_t, uint32_t>(int64_t(0))));
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MOZ_ASSERT((IsInBounds<int64_t, uint32_t>(int64_t(1))));
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MOZ_ASSERT((IsInBounds<int64_t, uint32_t>(int64_t(UINT32_MAX) - 1)));
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MOZ_ASSERT((IsInBounds<int64_t, uint32_t>(int64_t(UINT32_MAX))));
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MOZ_ASSERT((!IsInBounds<int64_t, uint32_t>(int64_t(UINT32_MAX) + 1)));
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}
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int
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main()
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{
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TestSameSize();
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TestToBiggerSize();
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TestToSmallerSize();
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}
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