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