[test] Move cctest/test-conversions to unittests
... /numbers/conversions-unittest. Bug: v8:12781 Change-Id: I81043f8bcebf5ce1292111211af1bea297c9eea4 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3604962 Reviewed-by: Leszek Swirski <leszeks@chromium.org> Commit-Queue: 王澳 <wangao.james@bytedance.com> Cr-Commit-Position: refs/heads/main@{#80172}
This commit is contained in:
parent
1b68c62b98
commit
acd134dea1
@ -197,7 +197,6 @@ v8_source_set("cctest_sources") {
|
||||
"test-code-stub-assembler.cc",
|
||||
"test-concurrent-transition-array.cc",
|
||||
"test-constantpool.cc",
|
||||
"test-conversions.cc",
|
||||
"test-cpu-profiler.cc",
|
||||
"test-debug-helper.cc",
|
||||
"test-debug.cc",
|
||||
|
@ -1,505 +0,0 @@
|
||||
// Copyright 2011 the V8 project authors. All rights reserved.
|
||||
// Redistribution and use in source and binary forms, with or without
|
||||
// modification, are permitted provided that the following conditions are
|
||||
// met:
|
||||
//
|
||||
// * Redistributions of source code must retain the above copyright
|
||||
// notice, this list of conditions and the following disclaimer.
|
||||
// * Redistributions in binary form must reproduce the above
|
||||
// copyright notice, this list of conditions and the following
|
||||
// disclaimer in the documentation and/or other materials provided
|
||||
// with the distribution.
|
||||
// * Neither the name of Google Inc. nor the names of its
|
||||
// contributors may be used to endorse or promote products derived
|
||||
// from this software without specific prior written permission.
|
||||
//
|
||||
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
|
||||
#include <stdlib.h>
|
||||
|
||||
#include "src/base/platform/platform.h"
|
||||
#include "src/execution/isolate.h"
|
||||
#include "src/heap/factory-inl.h"
|
||||
#include "src/init/v8.h"
|
||||
#include "src/numbers/conversions.h"
|
||||
#include "src/objects/heap-number-inl.h"
|
||||
#include "src/objects/objects.h"
|
||||
#include "src/objects/smi.h"
|
||||
#include "test/cctest/cctest.h"
|
||||
|
||||
namespace v8 {
|
||||
namespace internal {
|
||||
|
||||
TEST(Hex) {
|
||||
CHECK_EQ(0.0, StringToDouble("0x0", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0X0", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(1.0, StringToDouble("0x1", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(16.0, StringToDouble("0x10", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(255.0, StringToDouble("0xFF", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(175.0, StringToDouble("0xAF", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
|
||||
CHECK_EQ(0.0, StringToDouble("0x0", ALLOW_HEX));
|
||||
CHECK_EQ(0.0, StringToDouble("0X0", ALLOW_HEX));
|
||||
CHECK_EQ(1.0, StringToDouble("0x1", ALLOW_HEX));
|
||||
CHECK_EQ(16.0, StringToDouble("0x10", ALLOW_HEX));
|
||||
CHECK_EQ(255.0, StringToDouble("0xFF", ALLOW_HEX));
|
||||
CHECK_EQ(175.0, StringToDouble("0xAF", ALLOW_HEX));
|
||||
}
|
||||
|
||||
|
||||
TEST(Octal) {
|
||||
CHECK_EQ(0.0, StringToDouble("0o0", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0O0", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(1.0, StringToDouble("0o1", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(7.0, StringToDouble("0o7", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(8.0, StringToDouble("0o10", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(63.0, StringToDouble("0o77", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
|
||||
|
||||
CHECK_EQ(0.0, StringToDouble("0o0", ALLOW_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0O0", ALLOW_OCTAL));
|
||||
CHECK_EQ(1.0, StringToDouble("0o1", ALLOW_OCTAL));
|
||||
CHECK_EQ(7.0, StringToDouble("0o7", ALLOW_OCTAL));
|
||||
CHECK_EQ(8.0, StringToDouble("0o10", ALLOW_OCTAL));
|
||||
CHECK_EQ(63.0, StringToDouble("0o77", ALLOW_OCTAL));
|
||||
}
|
||||
|
||||
|
||||
TEST(ImplicitOctal) {
|
||||
CHECK_EQ(0.0, StringToDouble("0", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("00", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(1.0, StringToDouble("01", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(7.0, StringToDouble("07", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(8.0, StringToDouble("010", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(63.0, StringToDouble("077", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
|
||||
CHECK_EQ(0.0, StringToDouble("0", ALLOW_HEX));
|
||||
CHECK_EQ(0.0, StringToDouble("00", ALLOW_HEX));
|
||||
CHECK_EQ(1.0, StringToDouble("01", ALLOW_HEX));
|
||||
CHECK_EQ(7.0, StringToDouble("07", ALLOW_HEX));
|
||||
CHECK_EQ(10.0, StringToDouble("010", ALLOW_HEX));
|
||||
CHECK_EQ(77.0, StringToDouble("077", ALLOW_HEX));
|
||||
|
||||
const double x = 010000000000; // Power of 2, no rounding errors.
|
||||
CHECK_EQ(x * x * x * x * x, StringToDouble("01"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000",
|
||||
ALLOW_IMPLICIT_OCTAL));
|
||||
}
|
||||
|
||||
|
||||
TEST(Binary) {
|
||||
CHECK_EQ(0.0, StringToDouble("0b0", ALLOW_BINARY | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0B0", ALLOW_BINARY | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(1.0, StringToDouble("0b1", ALLOW_BINARY | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(2.0, StringToDouble("0b10", ALLOW_BINARY | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(3.0, StringToDouble("0b11", ALLOW_BINARY | ALLOW_IMPLICIT_OCTAL));
|
||||
|
||||
CHECK_EQ(0.0, StringToDouble("0b0", ALLOW_BINARY));
|
||||
CHECK_EQ(0.0, StringToDouble("0B0", ALLOW_BINARY));
|
||||
CHECK_EQ(1.0, StringToDouble("0b1", ALLOW_BINARY));
|
||||
CHECK_EQ(2.0, StringToDouble("0b10", ALLOW_BINARY));
|
||||
CHECK_EQ(3.0, StringToDouble("0b11", ALLOW_BINARY));
|
||||
}
|
||||
|
||||
|
||||
TEST(MalformedOctal) {
|
||||
CHECK_EQ(8.0, StringToDouble("08", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(81.0, StringToDouble("081", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(78.0, StringToDouble("078", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
|
||||
CHECK(std::isnan(StringToDouble("07.7", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL)));
|
||||
CHECK(std::isnan(StringToDouble("07.8", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL)));
|
||||
CHECK(std::isnan(StringToDouble("07e8", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL)));
|
||||
CHECK(std::isnan(StringToDouble("07e7", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL)));
|
||||
|
||||
CHECK_EQ(8.7, StringToDouble("08.7", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(8e7, StringToDouble("08e7", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
|
||||
CHECK_EQ(0.001, StringToDouble("0.001", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.713, StringToDouble("0.713", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
|
||||
CHECK_EQ(8.0, StringToDouble("08", ALLOW_HEX));
|
||||
CHECK_EQ(81.0, StringToDouble("081", ALLOW_HEX));
|
||||
CHECK_EQ(78.0, StringToDouble("078", ALLOW_HEX));
|
||||
|
||||
CHECK_EQ(7.7, StringToDouble("07.7", ALLOW_HEX));
|
||||
CHECK_EQ(7.8, StringToDouble("07.8", ALLOW_HEX));
|
||||
CHECK_EQ(7e8, StringToDouble("07e8", ALLOW_HEX));
|
||||
CHECK_EQ(7e7, StringToDouble("07e7", ALLOW_HEX));
|
||||
|
||||
CHECK_EQ(8.7, StringToDouble("08.7", ALLOW_HEX));
|
||||
CHECK_EQ(8e7, StringToDouble("08e7", ALLOW_HEX));
|
||||
|
||||
CHECK_EQ(0.001, StringToDouble("0.001", ALLOW_HEX));
|
||||
CHECK_EQ(0.713, StringToDouble("0.713", ALLOW_HEX));
|
||||
}
|
||||
|
||||
|
||||
TEST(TrailingJunk) {
|
||||
CHECK_EQ(8.0, StringToDouble("8q", ALLOW_TRAILING_JUNK));
|
||||
CHECK_EQ(63.0, StringToDouble("077qqq",
|
||||
ALLOW_IMPLICIT_OCTAL | ALLOW_TRAILING_JUNK));
|
||||
CHECK_EQ(10.0,
|
||||
StringToDouble("10e", ALLOW_IMPLICIT_OCTAL | ALLOW_TRAILING_JUNK));
|
||||
CHECK_EQ(10.0,
|
||||
StringToDouble("10e-", ALLOW_IMPLICIT_OCTAL | ALLOW_TRAILING_JUNK));
|
||||
}
|
||||
|
||||
|
||||
TEST(NonStrDecimalLiteral) {
|
||||
CHECK(std::isnan(StringToDouble(" ", NO_CONVERSION_FLAGS,
|
||||
std::numeric_limits<double>::quiet_NaN())));
|
||||
CHECK(std::isnan(StringToDouble("", NO_CONVERSION_FLAGS,
|
||||
std::numeric_limits<double>::quiet_NaN())));
|
||||
CHECK(std::isnan(StringToDouble(" ", NO_CONVERSION_FLAGS,
|
||||
std::numeric_limits<double>::quiet_NaN())));
|
||||
CHECK_EQ(0.0, StringToDouble("", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(0.0, StringToDouble(" ", NO_CONVERSION_FLAGS));
|
||||
}
|
||||
|
||||
|
||||
TEST(IntegerStrLiteral) {
|
||||
CHECK_EQ(0.0, StringToDouble("0.0", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(0.0, StringToDouble("0", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(0.0, StringToDouble("00", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(0.0, StringToDouble("000", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1.0, StringToDouble("1", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(-1.0, StringToDouble("-1", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(-1.0, StringToDouble(" -1 ", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1.0, StringToDouble(" +1 ", NO_CONVERSION_FLAGS));
|
||||
CHECK(std::isnan(StringToDouble(" - 1 ", NO_CONVERSION_FLAGS)));
|
||||
CHECK(std::isnan(StringToDouble(" + 1 ", NO_CONVERSION_FLAGS)));
|
||||
|
||||
CHECK_EQ(0.0, StringToDouble("0e0", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0e1", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0e-1", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0e-100000", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0e+100000", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0.", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
}
|
||||
|
||||
|
||||
TEST(LongNumberStr) {
|
||||
CHECK_EQ(1e10, StringToDouble("1"
|
||||
"0000000000",
|
||||
NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1e20, StringToDouble("1"
|
||||
"0000000000"
|
||||
"0000000000",
|
||||
NO_CONVERSION_FLAGS));
|
||||
|
||||
CHECK_EQ(1e60, StringToDouble("1"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000",
|
||||
NO_CONVERSION_FLAGS));
|
||||
|
||||
CHECK_EQ(1e-2, StringToDouble("."
|
||||
"0"
|
||||
"1",
|
||||
NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1e-11, StringToDouble("."
|
||||
"0000000000"
|
||||
"1",
|
||||
NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1e-21, StringToDouble("."
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"1",
|
||||
NO_CONVERSION_FLAGS));
|
||||
|
||||
CHECK_EQ(1e-61, StringToDouble("."
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"1",
|
||||
NO_CONVERSION_FLAGS));
|
||||
|
||||
// x = 24414062505131248.0 and y = 24414062505131252.0 are representable in
|
||||
// double. Check chat z = (x + y) / 2 is rounded to x...
|
||||
CHECK_EQ(24414062505131248.0,
|
||||
StringToDouble("24414062505131250.0", NO_CONVERSION_FLAGS));
|
||||
|
||||
// ... and z = (x + y) / 2 + delta is rounded to y.
|
||||
CHECK_EQ(24414062505131252.0,
|
||||
StringToDouble("24414062505131250.000000001", NO_CONVERSION_FLAGS));
|
||||
}
|
||||
|
||||
|
||||
TEST(MaximumSignificantDigits) {
|
||||
char num[] =
|
||||
"4.4501477170144020250819966727949918635852426585926051135169509"
|
||||
"122872622312493126406953054127118942431783801370080830523154578"
|
||||
"251545303238277269592368457430440993619708911874715081505094180"
|
||||
"604803751173783204118519353387964161152051487413083163272520124"
|
||||
"606023105869053620631175265621765214646643181420505164043632222"
|
||||
"668006474326056011713528291579642227455489682133472873831754840"
|
||||
"341397809846934151055619529382191981473003234105366170879223151"
|
||||
"087335413188049110555339027884856781219017754500629806224571029"
|
||||
"581637117459456877330110324211689177656713705497387108207822477"
|
||||
"584250967061891687062782163335299376138075114200886249979505279"
|
||||
"101870966346394401564490729731565935244123171539810221213221201"
|
||||
"847003580761626016356864581135848683152156368691976240370422601"
|
||||
"6998291015625000000000000000000000000000000000e-308";
|
||||
|
||||
CHECK_EQ(4.4501477170144017780491e-308,
|
||||
StringToDouble(num, NO_CONVERSION_FLAGS));
|
||||
|
||||
// Changes the result of strtod (at least in glibc implementation).
|
||||
num[sizeof(num) - 8] = '1';
|
||||
|
||||
CHECK_EQ(4.4501477170144022721148e-308,
|
||||
StringToDouble(num, NO_CONVERSION_FLAGS));
|
||||
}
|
||||
|
||||
|
||||
TEST(MinimumExponent) {
|
||||
// Same test but with different point-position.
|
||||
char num[] =
|
||||
"445014771701440202508199667279499186358524265859260511351695091"
|
||||
"228726223124931264069530541271189424317838013700808305231545782"
|
||||
"515453032382772695923684574304409936197089118747150815050941806"
|
||||
"048037511737832041185193533879641611520514874130831632725201246"
|
||||
"060231058690536206311752656217652146466431814205051640436322226"
|
||||
"680064743260560117135282915796422274554896821334728738317548403"
|
||||
"413978098469341510556195293821919814730032341053661708792231510"
|
||||
"873354131880491105553390278848567812190177545006298062245710295"
|
||||
"816371174594568773301103242116891776567137054973871082078224775"
|
||||
"842509670618916870627821633352993761380751142008862499795052791"
|
||||
"018709663463944015644907297315659352441231715398102212132212018"
|
||||
"470035807616260163568645811358486831521563686919762403704226016"
|
||||
"998291015625000000000000000000000000000000000e-1108";
|
||||
|
||||
CHECK_EQ(4.4501477170144017780491e-308,
|
||||
StringToDouble(num, NO_CONVERSION_FLAGS));
|
||||
|
||||
// Changes the result of strtod (at least in glibc implementation).
|
||||
num[sizeof(num) - 8] = '1';
|
||||
|
||||
CHECK_EQ(4.4501477170144022721148e-308,
|
||||
StringToDouble(num, NO_CONVERSION_FLAGS));
|
||||
}
|
||||
|
||||
|
||||
TEST(MaximumExponent) {
|
||||
char num[] = "0.16e309";
|
||||
|
||||
CHECK_EQ(1.59999999999999997765e+308,
|
||||
StringToDouble(num, NO_CONVERSION_FLAGS));
|
||||
}
|
||||
|
||||
|
||||
TEST(ExponentNumberStr) {
|
||||
CHECK_EQ(1e1, StringToDouble("1e1", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1e1, StringToDouble("1e+1", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1e-1, StringToDouble("1e-1", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1e100, StringToDouble("1e+100", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1e-100, StringToDouble("1e-100", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1e-106, StringToDouble(".000001e-100", NO_CONVERSION_FLAGS));
|
||||
}
|
||||
|
||||
using OneBit1 = base::BitField<uint32_t, 0, 1>;
|
||||
using OneBit2 = base::BitField<uint32_t, 7, 1>;
|
||||
using EightBit1 = base::BitField<uint32_t, 0, 8>;
|
||||
using EightBit2 = base::BitField<uint32_t, 13, 8>;
|
||||
|
||||
TEST(BitField) {
|
||||
uint32_t x;
|
||||
|
||||
// One bit bit field can hold values 0 and 1.
|
||||
CHECK(!OneBit1::is_valid(static_cast<uint32_t>(-1)));
|
||||
CHECK(!OneBit2::is_valid(static_cast<uint32_t>(-1)));
|
||||
for (unsigned i = 0; i < 2; i++) {
|
||||
CHECK(OneBit1::is_valid(i));
|
||||
x = OneBit1::encode(i);
|
||||
CHECK_EQ(i, OneBit1::decode(x));
|
||||
|
||||
CHECK(OneBit2::is_valid(i));
|
||||
x = OneBit2::encode(i);
|
||||
CHECK_EQ(i, OneBit2::decode(x));
|
||||
}
|
||||
CHECK(!OneBit1::is_valid(2));
|
||||
CHECK(!OneBit2::is_valid(2));
|
||||
|
||||
// Eight bit bit field can hold values from 0 tp 255.
|
||||
CHECK(!EightBit1::is_valid(static_cast<uint32_t>(-1)));
|
||||
CHECK(!EightBit2::is_valid(static_cast<uint32_t>(-1)));
|
||||
for (unsigned i = 0; i < 256; i++) {
|
||||
CHECK(EightBit1::is_valid(i));
|
||||
x = EightBit1::encode(i);
|
||||
CHECK_EQ(i, EightBit1::decode(x));
|
||||
CHECK(EightBit2::is_valid(i));
|
||||
x = EightBit2::encode(i);
|
||||
CHECK_EQ(i, EightBit2::decode(x));
|
||||
}
|
||||
CHECK(!EightBit1::is_valid(256));
|
||||
CHECK(!EightBit2::is_valid(256));
|
||||
}
|
||||
|
||||
using UpperBits = base::BitField64<int, 61, 3>;
|
||||
using MiddleBits = base::BitField64<int, 31, 2>;
|
||||
|
||||
TEST(BitField64) {
|
||||
uint64_t x;
|
||||
|
||||
// Test most significant bits.
|
||||
x = 0xE000'0000'0000'0000;
|
||||
CHECK(x == UpperBits::encode(7));
|
||||
CHECK_EQ(7, UpperBits::decode(x));
|
||||
|
||||
// Test the 32/64-bit boundary bits.
|
||||
x = 0x0000'0001'8000'0000;
|
||||
CHECK(x == MiddleBits::encode(3));
|
||||
CHECK_EQ(3, MiddleBits::decode(x));
|
||||
}
|
||||
|
||||
|
||||
static void CheckNonArrayIndex(bool expected, const char* chars) {
|
||||
auto isolate = CcTest::i_isolate();
|
||||
auto string = isolate->factory()->NewStringFromAsciiChecked(chars);
|
||||
CHECK_EQ(expected, IsSpecialIndex(*string));
|
||||
}
|
||||
|
||||
|
||||
TEST(SpecialIndexParsing) {
|
||||
auto isolate = CcTest::i_isolate();
|
||||
HandleScope scope(isolate);
|
||||
CheckNonArrayIndex(false, "");
|
||||
CheckNonArrayIndex(false, "-");
|
||||
CheckNonArrayIndex(true, "0");
|
||||
CheckNonArrayIndex(true, "-0");
|
||||
CheckNonArrayIndex(false, "01");
|
||||
CheckNonArrayIndex(false, "-01");
|
||||
CheckNonArrayIndex(true, "0.5");
|
||||
CheckNonArrayIndex(true, "-0.5");
|
||||
CheckNonArrayIndex(true, "1");
|
||||
CheckNonArrayIndex(true, "-1");
|
||||
CheckNonArrayIndex(true, "10");
|
||||
CheckNonArrayIndex(true, "-10");
|
||||
CheckNonArrayIndex(true, "NaN");
|
||||
CheckNonArrayIndex(true, "Infinity");
|
||||
CheckNonArrayIndex(true, "-Infinity");
|
||||
CheckNonArrayIndex(true, "4294967295");
|
||||
CheckNonArrayIndex(true, "429496.7295");
|
||||
CheckNonArrayIndex(true, "1.3333333333333333");
|
||||
CheckNonArrayIndex(false, "1.3333333333333339");
|
||||
CheckNonArrayIndex(true, "1.333333333333331e+222");
|
||||
CheckNonArrayIndex(true, "-1.3333333333333211e+222");
|
||||
CheckNonArrayIndex(false, "-1.3333333333333311e+222");
|
||||
CheckNonArrayIndex(true, "429496.7295");
|
||||
CheckNonArrayIndex(false, "43s3");
|
||||
CheckNonArrayIndex(true, "4294967296");
|
||||
CheckNonArrayIndex(true, "-4294967296");
|
||||
CheckNonArrayIndex(true, "999999999999999");
|
||||
CheckNonArrayIndex(false, "9999999999999999");
|
||||
CheckNonArrayIndex(true, "-999999999999999");
|
||||
CheckNonArrayIndex(false, "-9999999999999999");
|
||||
CheckNonArrayIndex(false, "42949672964294967296429496729694966");
|
||||
}
|
||||
|
||||
TEST(NoHandlesForTryNumberToSize) {
|
||||
i::Isolate* isolate = CcTest::i_isolate();
|
||||
size_t result = 0;
|
||||
{
|
||||
SealHandleScope no_handles(isolate);
|
||||
Smi smi = Smi::FromInt(1);
|
||||
CHECK(TryNumberToSize(smi, &result));
|
||||
CHECK_EQ(result, 1u);
|
||||
}
|
||||
result = 0;
|
||||
{
|
||||
HandleScope scope(isolate);
|
||||
Handle<HeapNumber> heap_number1 = isolate->factory()->NewHeapNumber(2.0);
|
||||
{
|
||||
SealHandleScope no_handles(isolate);
|
||||
CHECK(TryNumberToSize(*heap_number1, &result));
|
||||
CHECK_EQ(result, 2u);
|
||||
}
|
||||
Handle<HeapNumber> heap_number2 = isolate->factory()->NewHeapNumber(
|
||||
static_cast<double>(std::numeric_limits<size_t>::max()) + 10000.0);
|
||||
{
|
||||
SealHandleScope no_handles(isolate);
|
||||
CHECK(!TryNumberToSize(*heap_number2, &result));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
TEST(TryNumberToSizeWithMaxSizePlusOne) {
|
||||
i::Isolate* isolate = CcTest::i_isolate();
|
||||
{
|
||||
HandleScope scope(isolate);
|
||||
// 1 << 64, larger than the limit of size_t.
|
||||
double value = 18446744073709551616.0;
|
||||
size_t result = 0;
|
||||
Handle<HeapNumber> heap_number = isolate->factory()->NewHeapNumber(value);
|
||||
CHECK(!TryNumberToSize(*heap_number, &result));
|
||||
}
|
||||
}
|
||||
|
||||
TEST(PositiveNumberToUint32) {
|
||||
i::Isolate* isolate = CcTest::i_isolate();
|
||||
i::Factory* factory = isolate->factory();
|
||||
uint32_t max = std::numeric_limits<uint32_t>::max();
|
||||
HandleScope scope(isolate);
|
||||
// Test Smi conversions.
|
||||
Handle<Object> number = handle(Smi::FromInt(0), isolate);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
number = handle(Smi::FromInt(-1), isolate);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
number = handle(Smi::FromInt(-1), isolate);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
number = handle(Smi::FromInt(Smi::kMinValue), isolate);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
number = handle(Smi::FromInt(Smi::kMaxValue), isolate);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number),
|
||||
static_cast<uint32_t>(Smi::kMaxValue));
|
||||
// Test Double conversions.
|
||||
number = factory->NewHeapNumber(0.0);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
number = factory->NewHeapNumber(0.999);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
number = factory->NewHeapNumber(1.999);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 1u);
|
||||
number = factory->NewHeapNumber(-12.0);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
number = factory->NewHeapNumber(12000.0);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 12000u);
|
||||
number = factory->NewHeapNumber(static_cast<double>(Smi::kMaxValue) + 1);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number),
|
||||
static_cast<uint32_t>(Smi::kMaxValue) + 1);
|
||||
number = factory->NewHeapNumber(max);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), max);
|
||||
number = factory->NewHeapNumber(static_cast<double>(max) * 1000);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), max);
|
||||
number = factory->NewHeapNumber(std::numeric_limits<double>::max());
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), max);
|
||||
number = factory->NewHeapNumber(std::numeric_limits<double>::infinity());
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), max);
|
||||
number =
|
||||
factory->NewHeapNumber(-1.0 * std::numeric_limits<double>::infinity());
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
number = factory->NewHeapNumber(std::nan(""));
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
}
|
||||
|
||||
} // namespace internal
|
||||
} // namespace v8
|
@ -1,18 +1,26 @@
|
||||
// Copyright 2016 the V8 project authors. All rights reserved.
|
||||
// Copyright 2022 the V8 project authors. All rights reserved.
|
||||
// Use of this source code is governed by a BSD-style license that can be
|
||||
// found in the LICENSE file.
|
||||
|
||||
#include "src/numbers/conversions.h"
|
||||
|
||||
#include "src/codegen/source-position.h"
|
||||
#include <stdlib.h>
|
||||
|
||||
#include "src/base/platform/platform.h"
|
||||
#include "src/execution/isolate.h"
|
||||
#include "src/heap/factory-inl.h"
|
||||
#include "src/init/v8.h"
|
||||
#include "src/objects/heap-number-inl.h"
|
||||
#include "src/objects/objects.h"
|
||||
#include "src/objects/smi.h"
|
||||
#include "test/unittests/test-utils.h"
|
||||
#include "testing/gtest/include/gtest/gtest.h"
|
||||
|
||||
namespace v8 {
|
||||
namespace internal {
|
||||
namespace interpreter {
|
||||
|
||||
class ConversionsTest : public ::testing::Test {
|
||||
class ConversionsTest : public TestWithIsolate {
|
||||
public:
|
||||
ConversionsTest() = default;
|
||||
~ConversionsTest() override = default;
|
||||
@ -20,8 +28,453 @@ class ConversionsTest : public ::testing::Test {
|
||||
SourcePosition toPos(int offset) {
|
||||
return SourcePosition(offset, offset % 10 - 1);
|
||||
}
|
||||
|
||||
void CheckNonArrayIndex(bool expected, const char* chars) {
|
||||
auto isolate = i_isolate();
|
||||
auto string = isolate->factory()->NewStringFromAsciiChecked(chars);
|
||||
CHECK_EQ(expected, IsSpecialIndex(*string));
|
||||
}
|
||||
};
|
||||
|
||||
TEST_F(ConversionsTest, Hex) {
|
||||
CHECK_EQ(0.0, StringToDouble("0x0", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0X0", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(1.0, StringToDouble("0x1", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(16.0, StringToDouble("0x10", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(255.0, StringToDouble("0xFF", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(175.0, StringToDouble("0xAF", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
|
||||
CHECK_EQ(0.0, StringToDouble("0x0", ALLOW_HEX));
|
||||
CHECK_EQ(0.0, StringToDouble("0X0", ALLOW_HEX));
|
||||
CHECK_EQ(1.0, StringToDouble("0x1", ALLOW_HEX));
|
||||
CHECK_EQ(16.0, StringToDouble("0x10", ALLOW_HEX));
|
||||
CHECK_EQ(255.0, StringToDouble("0xFF", ALLOW_HEX));
|
||||
CHECK_EQ(175.0, StringToDouble("0xAF", ALLOW_HEX));
|
||||
}
|
||||
|
||||
TEST_F(ConversionsTest, Octal) {
|
||||
CHECK_EQ(0.0, StringToDouble("0o0", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0O0", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(1.0, StringToDouble("0o1", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(7.0, StringToDouble("0o7", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(8.0, StringToDouble("0o10", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(63.0, StringToDouble("0o77", ALLOW_OCTAL | ALLOW_IMPLICIT_OCTAL));
|
||||
|
||||
CHECK_EQ(0.0, StringToDouble("0o0", ALLOW_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0O0", ALLOW_OCTAL));
|
||||
CHECK_EQ(1.0, StringToDouble("0o1", ALLOW_OCTAL));
|
||||
CHECK_EQ(7.0, StringToDouble("0o7", ALLOW_OCTAL));
|
||||
CHECK_EQ(8.0, StringToDouble("0o10", ALLOW_OCTAL));
|
||||
CHECK_EQ(63.0, StringToDouble("0o77", ALLOW_OCTAL));
|
||||
}
|
||||
|
||||
TEST_F(ConversionsTest, ImplicitOctal) {
|
||||
CHECK_EQ(0.0, StringToDouble("0", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("00", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(1.0, StringToDouble("01", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(7.0, StringToDouble("07", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(8.0, StringToDouble("010", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(63.0, StringToDouble("077", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
|
||||
CHECK_EQ(0.0, StringToDouble("0", ALLOW_HEX));
|
||||
CHECK_EQ(0.0, StringToDouble("00", ALLOW_HEX));
|
||||
CHECK_EQ(1.0, StringToDouble("01", ALLOW_HEX));
|
||||
CHECK_EQ(7.0, StringToDouble("07", ALLOW_HEX));
|
||||
CHECK_EQ(10.0, StringToDouble("010", ALLOW_HEX));
|
||||
CHECK_EQ(77.0, StringToDouble("077", ALLOW_HEX));
|
||||
|
||||
const double x = 010000000000; // Power of 2, no rounding errors.
|
||||
CHECK_EQ(x * x * x * x * x, StringToDouble("01"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000",
|
||||
ALLOW_IMPLICIT_OCTAL));
|
||||
}
|
||||
|
||||
TEST_F(ConversionsTest, Binary) {
|
||||
CHECK_EQ(0.0, StringToDouble("0b0", ALLOW_BINARY | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0B0", ALLOW_BINARY | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(1.0, StringToDouble("0b1", ALLOW_BINARY | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(2.0, StringToDouble("0b10", ALLOW_BINARY | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(3.0, StringToDouble("0b11", ALLOW_BINARY | ALLOW_IMPLICIT_OCTAL));
|
||||
|
||||
CHECK_EQ(0.0, StringToDouble("0b0", ALLOW_BINARY));
|
||||
CHECK_EQ(0.0, StringToDouble("0B0", ALLOW_BINARY));
|
||||
CHECK_EQ(1.0, StringToDouble("0b1", ALLOW_BINARY));
|
||||
CHECK_EQ(2.0, StringToDouble("0b10", ALLOW_BINARY));
|
||||
CHECK_EQ(3.0, StringToDouble("0b11", ALLOW_BINARY));
|
||||
}
|
||||
|
||||
TEST_F(ConversionsTest, MalformedOctal) {
|
||||
CHECK_EQ(8.0, StringToDouble("08", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(81.0, StringToDouble("081", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(78.0, StringToDouble("078", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
|
||||
CHECK(std::isnan(StringToDouble("07.7", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL)));
|
||||
CHECK(std::isnan(StringToDouble("07.8", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL)));
|
||||
CHECK(std::isnan(StringToDouble("07e8", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL)));
|
||||
CHECK(std::isnan(StringToDouble("07e7", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL)));
|
||||
|
||||
CHECK_EQ(8.7, StringToDouble("08.7", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(8e7, StringToDouble("08e7", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
|
||||
CHECK_EQ(0.001, StringToDouble("0.001", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.713, StringToDouble("0.713", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
|
||||
CHECK_EQ(8.0, StringToDouble("08", ALLOW_HEX));
|
||||
CHECK_EQ(81.0, StringToDouble("081", ALLOW_HEX));
|
||||
CHECK_EQ(78.0, StringToDouble("078", ALLOW_HEX));
|
||||
|
||||
CHECK_EQ(7.7, StringToDouble("07.7", ALLOW_HEX));
|
||||
CHECK_EQ(7.8, StringToDouble("07.8", ALLOW_HEX));
|
||||
CHECK_EQ(7e8, StringToDouble("07e8", ALLOW_HEX));
|
||||
CHECK_EQ(7e7, StringToDouble("07e7", ALLOW_HEX));
|
||||
|
||||
CHECK_EQ(8.7, StringToDouble("08.7", ALLOW_HEX));
|
||||
CHECK_EQ(8e7, StringToDouble("08e7", ALLOW_HEX));
|
||||
|
||||
CHECK_EQ(0.001, StringToDouble("0.001", ALLOW_HEX));
|
||||
CHECK_EQ(0.713, StringToDouble("0.713", ALLOW_HEX));
|
||||
}
|
||||
|
||||
TEST_F(ConversionsTest, TrailingJunk) {
|
||||
CHECK_EQ(8.0, StringToDouble("8q", ALLOW_TRAILING_JUNK));
|
||||
CHECK_EQ(63.0, StringToDouble("077qqq",
|
||||
ALLOW_IMPLICIT_OCTAL | ALLOW_TRAILING_JUNK));
|
||||
CHECK_EQ(10.0,
|
||||
StringToDouble("10e", ALLOW_IMPLICIT_OCTAL | ALLOW_TRAILING_JUNK));
|
||||
CHECK_EQ(10.0,
|
||||
StringToDouble("10e-", ALLOW_IMPLICIT_OCTAL | ALLOW_TRAILING_JUNK));
|
||||
}
|
||||
|
||||
TEST_F(ConversionsTest, NonStrDecimalLiteral) {
|
||||
CHECK(std::isnan(StringToDouble(" ", NO_CONVERSION_FLAGS,
|
||||
std::numeric_limits<double>::quiet_NaN())));
|
||||
CHECK(std::isnan(StringToDouble("", NO_CONVERSION_FLAGS,
|
||||
std::numeric_limits<double>::quiet_NaN())));
|
||||
CHECK(std::isnan(StringToDouble(" ", NO_CONVERSION_FLAGS,
|
||||
std::numeric_limits<double>::quiet_NaN())));
|
||||
CHECK_EQ(0.0, StringToDouble("", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(0.0, StringToDouble(" ", NO_CONVERSION_FLAGS));
|
||||
}
|
||||
|
||||
TEST_F(ConversionsTest, IntegerStrLiteral) {
|
||||
CHECK_EQ(0.0, StringToDouble("0.0", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(0.0, StringToDouble("0", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(0.0, StringToDouble("00", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(0.0, StringToDouble("000", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1.0, StringToDouble("1", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(-1.0, StringToDouble("-1", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(-1.0, StringToDouble(" -1 ", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1.0, StringToDouble(" +1 ", NO_CONVERSION_FLAGS));
|
||||
CHECK(std::isnan(StringToDouble(" - 1 ", NO_CONVERSION_FLAGS)));
|
||||
CHECK(std::isnan(StringToDouble(" + 1 ", NO_CONVERSION_FLAGS)));
|
||||
|
||||
CHECK_EQ(0.0, StringToDouble("0e0", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0e1", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0e-1", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0e-100000", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0e+100000", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
CHECK_EQ(0.0, StringToDouble("0.", ALLOW_HEX | ALLOW_IMPLICIT_OCTAL));
|
||||
}
|
||||
|
||||
TEST_F(ConversionsTest, LongNumberStr) {
|
||||
CHECK_EQ(1e10, StringToDouble("1"
|
||||
"0000000000",
|
||||
NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1e20, StringToDouble("1"
|
||||
"0000000000"
|
||||
"0000000000",
|
||||
NO_CONVERSION_FLAGS));
|
||||
|
||||
CHECK_EQ(1e60, StringToDouble("1"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000",
|
||||
NO_CONVERSION_FLAGS));
|
||||
|
||||
CHECK_EQ(1e-2, StringToDouble("."
|
||||
"0"
|
||||
"1",
|
||||
NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1e-11, StringToDouble("."
|
||||
"0000000000"
|
||||
"1",
|
||||
NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1e-21, StringToDouble("."
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"1",
|
||||
NO_CONVERSION_FLAGS));
|
||||
|
||||
CHECK_EQ(1e-61, StringToDouble("."
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"0000000000"
|
||||
"1",
|
||||
NO_CONVERSION_FLAGS));
|
||||
|
||||
// x = 24414062505131248.0 and y = 24414062505131252.0 are representable in
|
||||
// double. Check chat z = (x + y) / 2 is rounded to x...
|
||||
CHECK_EQ(24414062505131248.0,
|
||||
StringToDouble("24414062505131250.0", NO_CONVERSION_FLAGS));
|
||||
|
||||
// ... and z = (x + y) / 2 + delta is rounded to y.
|
||||
CHECK_EQ(24414062505131252.0,
|
||||
StringToDouble("24414062505131250.000000001", NO_CONVERSION_FLAGS));
|
||||
}
|
||||
|
||||
TEST_F(ConversionsTest, MaximumSignificantDigits) {
|
||||
char num[] =
|
||||
"4.4501477170144020250819966727949918635852426585926051135169509"
|
||||
"122872622312493126406953054127118942431783801370080830523154578"
|
||||
"251545303238277269592368457430440993619708911874715081505094180"
|
||||
"604803751173783204118519353387964161152051487413083163272520124"
|
||||
"606023105869053620631175265621765214646643181420505164043632222"
|
||||
"668006474326056011713528291579642227455489682133472873831754840"
|
||||
"341397809846934151055619529382191981473003234105366170879223151"
|
||||
"087335413188049110555339027884856781219017754500629806224571029"
|
||||
"581637117459456877330110324211689177656713705497387108207822477"
|
||||
"584250967061891687062782163335299376138075114200886249979505279"
|
||||
"101870966346394401564490729731565935244123171539810221213221201"
|
||||
"847003580761626016356864581135848683152156368691976240370422601"
|
||||
"6998291015625000000000000000000000000000000000e-308";
|
||||
|
||||
CHECK_EQ(4.4501477170144017780491e-308,
|
||||
StringToDouble(num, NO_CONVERSION_FLAGS));
|
||||
|
||||
// Changes the result of strtod (at least in glibc implementation).
|
||||
num[sizeof(num) - 8] = '1';
|
||||
|
||||
CHECK_EQ(4.4501477170144022721148e-308,
|
||||
StringToDouble(num, NO_CONVERSION_FLAGS));
|
||||
}
|
||||
|
||||
TEST_F(ConversionsTest, MinimumExponent) {
|
||||
// Same test but with different point-position.
|
||||
char num[] =
|
||||
"445014771701440202508199667279499186358524265859260511351695091"
|
||||
"228726223124931264069530541271189424317838013700808305231545782"
|
||||
"515453032382772695923684574304409936197089118747150815050941806"
|
||||
"048037511737832041185193533879641611520514874130831632725201246"
|
||||
"060231058690536206311752656217652146466431814205051640436322226"
|
||||
"680064743260560117135282915796422274554896821334728738317548403"
|
||||
"413978098469341510556195293821919814730032341053661708792231510"
|
||||
"873354131880491105553390278848567812190177545006298062245710295"
|
||||
"816371174594568773301103242116891776567137054973871082078224775"
|
||||
"842509670618916870627821633352993761380751142008862499795052791"
|
||||
"018709663463944015644907297315659352441231715398102212132212018"
|
||||
"470035807616260163568645811358486831521563686919762403704226016"
|
||||
"998291015625000000000000000000000000000000000e-1108";
|
||||
|
||||
CHECK_EQ(4.4501477170144017780491e-308,
|
||||
StringToDouble(num, NO_CONVERSION_FLAGS));
|
||||
|
||||
// Changes the result of strtod (at least in glibc implementation).
|
||||
num[sizeof(num) - 8] = '1';
|
||||
|
||||
CHECK_EQ(4.4501477170144022721148e-308,
|
||||
StringToDouble(num, NO_CONVERSION_FLAGS));
|
||||
}
|
||||
|
||||
TEST_F(ConversionsTest, MaximumExponent) {
|
||||
char num[] = "0.16e309";
|
||||
|
||||
CHECK_EQ(1.59999999999999997765e+308,
|
||||
StringToDouble(num, NO_CONVERSION_FLAGS));
|
||||
}
|
||||
|
||||
TEST_F(ConversionsTest, ExponentNumberStr) {
|
||||
CHECK_EQ(1e1, StringToDouble("1e1", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1e1, StringToDouble("1e+1", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1e-1, StringToDouble("1e-1", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1e100, StringToDouble("1e+100", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1e-100, StringToDouble("1e-100", NO_CONVERSION_FLAGS));
|
||||
CHECK_EQ(1e-106, StringToDouble(".000001e-100", NO_CONVERSION_FLAGS));
|
||||
}
|
||||
|
||||
using OneBit1 = base::BitField<uint32_t, 0, 1>;
|
||||
using OneBit2 = base::BitField<uint32_t, 7, 1>;
|
||||
using EightBit1 = base::BitField<uint32_t, 0, 8>;
|
||||
using EightBit2 = base::BitField<uint32_t, 13, 8>;
|
||||
|
||||
TEST_F(ConversionsTest, BitField) {
|
||||
uint32_t x;
|
||||
|
||||
// One bit bit field can hold values 0 and 1.
|
||||
CHECK(!OneBit1::is_valid(static_cast<uint32_t>(-1)));
|
||||
CHECK(!OneBit2::is_valid(static_cast<uint32_t>(-1)));
|
||||
for (unsigned i = 0; i < 2; i++) {
|
||||
CHECK(OneBit1::is_valid(i));
|
||||
x = OneBit1::encode(i);
|
||||
CHECK_EQ(i, OneBit1::decode(x));
|
||||
|
||||
CHECK(OneBit2::is_valid(i));
|
||||
x = OneBit2::encode(i);
|
||||
CHECK_EQ(i, OneBit2::decode(x));
|
||||
}
|
||||
CHECK(!OneBit1::is_valid(2));
|
||||
CHECK(!OneBit2::is_valid(2));
|
||||
|
||||
// Eight bit bit field can hold values from 0 tp 255.
|
||||
CHECK(!EightBit1::is_valid(static_cast<uint32_t>(-1)));
|
||||
CHECK(!EightBit2::is_valid(static_cast<uint32_t>(-1)));
|
||||
for (unsigned i = 0; i < 256; i++) {
|
||||
CHECK(EightBit1::is_valid(i));
|
||||
x = EightBit1::encode(i);
|
||||
CHECK_EQ(i, EightBit1::decode(x));
|
||||
CHECK(EightBit2::is_valid(i));
|
||||
x = EightBit2::encode(i);
|
||||
CHECK_EQ(i, EightBit2::decode(x));
|
||||
}
|
||||
CHECK(!EightBit1::is_valid(256));
|
||||
CHECK(!EightBit2::is_valid(256));
|
||||
}
|
||||
|
||||
using UpperBits = base::BitField64<int, 61, 3>;
|
||||
using MiddleBits = base::BitField64<int, 31, 2>;
|
||||
|
||||
TEST_F(ConversionsTest, BitField64) {
|
||||
uint64_t x;
|
||||
|
||||
// Test most significant bits.
|
||||
x = 0xE000'0000'0000'0000;
|
||||
CHECK(x == UpperBits::encode(7));
|
||||
CHECK_EQ(7, UpperBits::decode(x));
|
||||
|
||||
// Test the 32/64-bit boundary bits.
|
||||
x = 0x0000'0001'8000'0000;
|
||||
CHECK(x == MiddleBits::encode(3));
|
||||
CHECK_EQ(3, MiddleBits::decode(x));
|
||||
}
|
||||
|
||||
TEST_F(ConversionsTest, SpecialIndexParsing) {
|
||||
HandleScope scope(i_isolate());
|
||||
CheckNonArrayIndex(false, "");
|
||||
CheckNonArrayIndex(false, "-");
|
||||
CheckNonArrayIndex(true, "0");
|
||||
CheckNonArrayIndex(true, "-0");
|
||||
CheckNonArrayIndex(false, "01");
|
||||
CheckNonArrayIndex(false, "-01");
|
||||
CheckNonArrayIndex(true, "0.5");
|
||||
CheckNonArrayIndex(true, "-0.5");
|
||||
CheckNonArrayIndex(true, "1");
|
||||
CheckNonArrayIndex(true, "-1");
|
||||
CheckNonArrayIndex(true, "10");
|
||||
CheckNonArrayIndex(true, "-10");
|
||||
CheckNonArrayIndex(true, "NaN");
|
||||
CheckNonArrayIndex(true, "Infinity");
|
||||
CheckNonArrayIndex(true, "-Infinity");
|
||||
CheckNonArrayIndex(true, "4294967295");
|
||||
CheckNonArrayIndex(true, "429496.7295");
|
||||
CheckNonArrayIndex(true, "1.3333333333333333");
|
||||
CheckNonArrayIndex(false, "1.3333333333333339");
|
||||
CheckNonArrayIndex(true, "1.333333333333331e+222");
|
||||
CheckNonArrayIndex(true, "-1.3333333333333211e+222");
|
||||
CheckNonArrayIndex(false, "-1.3333333333333311e+222");
|
||||
CheckNonArrayIndex(true, "429496.7295");
|
||||
CheckNonArrayIndex(false, "43s3");
|
||||
CheckNonArrayIndex(true, "4294967296");
|
||||
CheckNonArrayIndex(true, "-4294967296");
|
||||
CheckNonArrayIndex(true, "999999999999999");
|
||||
CheckNonArrayIndex(false, "9999999999999999");
|
||||
CheckNonArrayIndex(true, "-999999999999999");
|
||||
CheckNonArrayIndex(false, "-9999999999999999");
|
||||
CheckNonArrayIndex(false, "42949672964294967296429496729694966");
|
||||
}
|
||||
|
||||
TEST_F(ConversionsTest, NoHandlesForTryNumberToSize) {
|
||||
size_t result = 0;
|
||||
{
|
||||
SealHandleScope no_handles(i_isolate());
|
||||
Smi smi = Smi::FromInt(1);
|
||||
CHECK(TryNumberToSize(smi, &result));
|
||||
CHECK_EQ(result, 1u);
|
||||
}
|
||||
result = 0;
|
||||
{
|
||||
HandleScope scope(i_isolate());
|
||||
Handle<HeapNumber> heap_number1 =
|
||||
i_isolate()->factory()->NewHeapNumber(2.0);
|
||||
{
|
||||
SealHandleScope no_handles(i_isolate());
|
||||
CHECK(TryNumberToSize(*heap_number1, &result));
|
||||
CHECK_EQ(result, 2u);
|
||||
}
|
||||
Handle<HeapNumber> heap_number2 = i_isolate()->factory()->NewHeapNumber(
|
||||
static_cast<double>(std::numeric_limits<size_t>::max()) + 10000.0);
|
||||
{
|
||||
SealHandleScope no_handles(i_isolate());
|
||||
CHECK(!TryNumberToSize(*heap_number2, &result));
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
TEST_F(ConversionsTest, TryNumberToSizeWithMaxSizePlusOne) {
|
||||
{
|
||||
HandleScope scope(i_isolate());
|
||||
// 1 << 64, larger than the limit of size_t.
|
||||
double value = 18446744073709551616.0;
|
||||
size_t result = 0;
|
||||
Handle<HeapNumber> heap_number =
|
||||
i_isolate()->factory()->NewHeapNumber(value);
|
||||
CHECK(!TryNumberToSize(*heap_number, &result));
|
||||
}
|
||||
}
|
||||
|
||||
TEST_F(ConversionsTest, PositiveNumberToUint32) {
|
||||
i::Factory* factory = i_isolate()->factory();
|
||||
uint32_t max = std::numeric_limits<uint32_t>::max();
|
||||
HandleScope scope(i_isolate());
|
||||
// Test Smi conversions.
|
||||
Handle<Object> number = handle(Smi::FromInt(0), i_isolate());
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
number = handle(Smi::FromInt(-1), i_isolate());
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
number = handle(Smi::FromInt(-1), i_isolate());
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
number = handle(Smi::FromInt(Smi::kMinValue), i_isolate());
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
number = handle(Smi::FromInt(Smi::kMaxValue), i_isolate());
|
||||
CHECK_EQ(PositiveNumberToUint32(*number),
|
||||
static_cast<uint32_t>(Smi::kMaxValue));
|
||||
// Test Double conversions.
|
||||
number = factory->NewHeapNumber(0.0);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
number = factory->NewHeapNumber(0.999);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
number = factory->NewHeapNumber(1.999);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 1u);
|
||||
number = factory->NewHeapNumber(-12.0);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
number = factory->NewHeapNumber(12000.0);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 12000u);
|
||||
number = factory->NewHeapNumber(static_cast<double>(Smi::kMaxValue) + 1);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number),
|
||||
static_cast<uint32_t>(Smi::kMaxValue) + 1);
|
||||
number = factory->NewHeapNumber(max);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), max);
|
||||
number = factory->NewHeapNumber(static_cast<double>(max) * 1000);
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), max);
|
||||
number = factory->NewHeapNumber(std::numeric_limits<double>::max());
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), max);
|
||||
number = factory->NewHeapNumber(std::numeric_limits<double>::infinity());
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), max);
|
||||
number =
|
||||
factory->NewHeapNumber(-1.0 * std::numeric_limits<double>::infinity());
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
number = factory->NewHeapNumber(std::nan(""));
|
||||
CHECK_EQ(PositiveNumberToUint32(*number), 0u);
|
||||
}
|
||||
|
||||
// Some random offsets, mostly at 'suspicious' bit boundaries.
|
||||
|
||||
struct IntStringPair {
|
||||
|
Loading…
Reference in New Issue
Block a user