mirror of
https://github.com/roytam1/palemoon27.git
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70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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* vim: set ts=8 sts=4 et sw=4 tw=99:
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*/
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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 <math.h>
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#include "js/Conversions.h"
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#include "jsapi-tests/tests.h"
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using JS::detail::ToIntWidth;
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using JS::detail::ToUintWidth;
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BEGIN_TEST(testToUint8TwiceUint8Range)
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{
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double d = -256;
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uint8_t expected = 0;
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do {
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CHECK(ToUintWidth<uint8_t>(d) == expected);
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d++;
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expected++;
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} while (d <= 256);
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return true;
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}
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END_TEST(testToUint8TwiceUint8Range)
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BEGIN_TEST(testToInt8)
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{
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double d = -128;
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int8_t expected = -128;
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do {
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CHECK(ToIntWidth<int8_t>(d) == expected);
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d++;
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expected++;
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} while (expected < 127);
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return true;
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}
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END_TEST(testToInt8)
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BEGIN_TEST(testToUint32Large)
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{
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CHECK(ToUintWidth<uint32_t>(pow(2.0, 83)) == 0);
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CHECK(ToUintWidth<uint32_t>(pow(2.0, 83) + pow(2.0, 31)) == (1U << 31));
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CHECK(ToUintWidth<uint32_t>(pow(2.0, 83) + 2 * pow(2.0, 31)) == 0);
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CHECK(ToUintWidth<uint32_t>(pow(2.0, 83) + 3 * pow(2.0, 31)) == (1U << 31));
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CHECK(ToUintWidth<uint32_t>(pow(2.0, 84)) == 0);
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CHECK(ToUintWidth<uint32_t>(pow(2.0, 84) + pow(2.0, 31)) == 0);
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CHECK(ToUintWidth<uint32_t>(pow(2.0, 84) + pow(2.0, 32)) == 0);
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return true;
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}
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END_TEST(testToUint32Large)
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BEGIN_TEST(testToUint64Large)
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{
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CHECK(ToUintWidth<uint64_t>(pow(2.0, 115)) == 0);
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CHECK(ToUintWidth<uint64_t>(pow(2.0, 115) + pow(2.0, 63)) == (1ULL << 63));
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CHECK(ToUintWidth<uint64_t>(pow(2.0, 115) + 2 * pow(2.0, 63)) == 0);
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CHECK(ToUintWidth<uint64_t>(pow(2.0, 115) + 3 * pow(2.0, 63)) == (1ULL << 63));
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CHECK(ToUintWidth<uint64_t>(pow(2.0, 116)) == 0);
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CHECK(ToUintWidth<uint64_t>(pow(2.0, 116) + pow(2.0, 63)) == 0);
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CHECK(ToUintWidth<uint64_t>(pow(2.0, 116) + pow(2.0, 64)) == 0);
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return true;
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}
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END_TEST(testToUint64Large)
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