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/*
* Copyright (C) 2012, 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 "config.h"
#include <wtf/Hasher.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/text/ExternalStringImpl.h>
#include <wtf/text/SymbolImpl.h>
#include <wtf/text/WTFString.h>
namespace TestWebKitAPI {
TEST(WTF, StringImplCreationFromLiteral)
{
// Constructor using the template to determine the size.
auto stringWithTemplate = StringImpl::createFromLiteral("Template Literal");
ASSERT_EQ(strlen("Template Literal"), stringWithTemplate->length());
ASSERT_TRUE(equal(stringWithTemplate.get(), "Template Literal"));
ASSERT_TRUE(stringWithTemplate->is8Bit());
// Constructor taking the size explicitely.
const char* programmaticStringData = "Explicit Size Literal";
auto programmaticString = StringImpl::createFromLiteral(programmaticStringData, strlen(programmaticStringData));
ASSERT_EQ(strlen(programmaticStringData), programmaticString->length());
ASSERT_TRUE(equal(programmaticString.get(), programmaticStringData));
ASSERT_EQ(programmaticStringData, reinterpret_cast<const char*>(programmaticString->characters8()));
ASSERT_TRUE(programmaticString->is8Bit());
// Constructor without explicit size.
const char* stringWithoutLengthLiteral = "No Size Literal";
auto programmaticStringNoLength = StringImpl::createFromLiteral(stringWithoutLengthLiteral);
ASSERT_EQ(strlen(stringWithoutLengthLiteral), programmaticStringNoLength->length());
ASSERT_TRUE(equal(programmaticStringNoLength.get(), stringWithoutLengthLiteral));
ASSERT_EQ(stringWithoutLengthLiteral, reinterpret_cast<const char*>(programmaticStringNoLength->characters8()));
ASSERT_TRUE(programmaticStringNoLength->is8Bit());
// AtomStringImpl from createFromLiteral should use the same underlying string.
auto atomStringWithTemplate = AtomStringImpl::add(stringWithTemplate.ptr());
ASSERT_TRUE(atomStringWithTemplate->is8Bit());
ASSERT_EQ(atomStringWithTemplate->characters8(), stringWithTemplate->characters8());
auto atomicProgrammaticString = AtomStringImpl::add(programmaticString.ptr());
ASSERT_TRUE(atomicProgrammaticString->is8Bit());
ASSERT_EQ(atomicProgrammaticString->characters8(), programmaticString->characters8());
auto atomicProgrammaticStringNoLength = AtomStringImpl::add(programmaticStringNoLength.ptr());
ASSERT_TRUE(atomicProgrammaticStringNoLength->is8Bit());
ASSERT_EQ(atomicProgrammaticStringNoLength->characters8(), programmaticStringNoLength->characters8());
}
TEST(WTF, StringImplReplaceWithLiteral)
{
auto testStringImpl = StringImpl::createFromLiteral("1224");
ASSERT_TRUE(testStringImpl->is8Bit());
// Cases for 8Bit source.
testStringImpl = testStringImpl->replace('2', "", 0);
ASSERT_TRUE(equal(testStringImpl.get(), "14"));
testStringImpl = StringImpl::createFromLiteral("1224");
ASSERT_TRUE(testStringImpl->is8Bit());
testStringImpl = testStringImpl->replace('3', "NotFound", 8);
ASSERT_TRUE(equal(testStringImpl.get(), "1224"));
testStringImpl = testStringImpl->replace('2', "3", 1);
ASSERT_TRUE(equal(testStringImpl.get(), "1334"));
testStringImpl = StringImpl::createFromLiteral("1224");
ASSERT_TRUE(testStringImpl->is8Bit());
testStringImpl = testStringImpl->replace('2', "555", 3);
ASSERT_TRUE(equal(testStringImpl.get(), "15555554"));
// Cases for 16Bit source.
String testString = String::fromUTF8("résumé");
ASSERT_FALSE(testString.impl()->is8Bit());
testStringImpl = testString.impl()->replace('2', "NotFound", 8);
ASSERT_TRUE(equal(testStringImpl.get(), String::fromUTF8("résumé").impl()));
testStringImpl = testString.impl()->replace(UChar(0x00E9 /*U+00E9 is 'é'*/), "e", 1);
ASSERT_TRUE(equal(testStringImpl.get(), "resume"));
testString = String::fromUTF8("résumé");
ASSERT_FALSE(testString.impl()->is8Bit());
testStringImpl = testString.impl()->replace(UChar(0x00E9 /*U+00E9 is 'é'*/), "", 0);
ASSERT_TRUE(equal(testStringImpl.get(), "rsum"));
testString = String::fromUTF8("résumé");
ASSERT_FALSE(testString.impl()->is8Bit());
testStringImpl = testString.impl()->replace(UChar(0x00E9 /*U+00E9 is 'é'*/), "555", 3);
ASSERT_TRUE(equal(testStringImpl.get(), "r555sum555"));
}
TEST(WTF, StringImplEqualIgnoringASCIICaseBasic)
{
auto a = StringImpl::createFromLiteral("aBcDeFG");
auto b = StringImpl::createFromLiteral("ABCDEFG");
auto c = StringImpl::createFromLiteral("abcdefg");
const char d[] = "aBcDeFG";
auto empty = StringImpl::create(reinterpret_cast<const LChar*>(""));
auto shorter = StringImpl::createFromLiteral("abcdef");
auto different = StringImpl::createFromLiteral("abcrefg");
// Identity.
ASSERT_TRUE(equalIgnoringASCIICase(a.ptr(), a.ptr()));
ASSERT_TRUE(equalIgnoringASCIICase(b.ptr(), b.ptr()));
ASSERT_TRUE(equalIgnoringASCIICase(c.ptr(), c.ptr()));
ASSERT_TRUE(equalIgnoringASCIICase(a.ptr(), d));
ASSERT_TRUE(equalIgnoringASCIICase(b.ptr(), d));
ASSERT_TRUE(equalIgnoringASCIICase(c.ptr(), d));
// Transitivity.
ASSERT_TRUE(equalIgnoringASCIICase(a.ptr(), b.ptr()));
ASSERT_TRUE(equalIgnoringASCIICase(b.ptr(), c.ptr()));
ASSERT_TRUE(equalIgnoringASCIICase(a.ptr(), c.ptr()));
// Negative cases.
ASSERT_FALSE(equalIgnoringASCIICase(a.ptr(), empty.ptr()));
ASSERT_FALSE(equalIgnoringASCIICase(b.ptr(), empty.ptr()));
ASSERT_FALSE(equalIgnoringASCIICase(c.ptr(), empty.ptr()));
ASSERT_FALSE(equalIgnoringASCIICase(a.ptr(), shorter.ptr()));
ASSERT_FALSE(equalIgnoringASCIICase(b.ptr(), shorter.ptr()));
ASSERT_FALSE(equalIgnoringASCIICase(c.ptr(), shorter.ptr()));
ASSERT_FALSE(equalIgnoringASCIICase(a.ptr(), different.ptr()));
ASSERT_FALSE(equalIgnoringASCIICase(b.ptr(), different.ptr()));
ASSERT_FALSE(equalIgnoringASCIICase(c.ptr(), different.ptr()));
ASSERT_FALSE(equalIgnoringASCIICase(empty.ptr(), d));
ASSERT_FALSE(equalIgnoringASCIICase(shorter.ptr(), d));
ASSERT_FALSE(equalIgnoringASCIICase(different.ptr(), d));
}
TEST(WTF, StringImplEqualIgnoringASCIICaseWithNull)
{
auto reference = StringImpl::createFromLiteral("aBcDeFG");
StringImpl* nullStringImpl = nullptr;
ASSERT_FALSE(equalIgnoringASCIICase(nullStringImpl, reference.ptr()));
ASSERT_FALSE(equalIgnoringASCIICase(reference.ptr(), nullStringImpl));
ASSERT_TRUE(equalIgnoringASCIICase(nullStringImpl, nullStringImpl));
}
TEST(WTF, StringImplEqualIgnoringASCIICaseWithEmpty)
{
auto a = StringImpl::create(reinterpret_cast<const LChar*>(""));
auto b = StringImpl::create(reinterpret_cast<const LChar*>(""));
ASSERT_TRUE(equalIgnoringASCIICase(a.ptr(), b.ptr()));
ASSERT_TRUE(equalIgnoringASCIICase(b.ptr(), a.ptr()));
}
static Ref<StringImpl> stringFromUTF8(const char* characters)
{
return String::fromUTF8(characters).releaseImpl().releaseNonNull();
}
TEST(WTF, StringImplEqualIgnoringASCIICaseWithLatin1Characters)
{
auto a = stringFromUTF8("aBcéeFG");
auto b = stringFromUTF8("ABCÉEFG");
auto c = stringFromUTF8("ABCéEFG");
auto d = stringFromUTF8("abcéefg");
const char e[] = "aBcéeFG";
// Identity.
ASSERT_TRUE(equalIgnoringASCIICase(a.ptr(), a.ptr()));
ASSERT_TRUE(equalIgnoringASCIICase(b.ptr(), b.ptr()));
ASSERT_TRUE(equalIgnoringASCIICase(c.ptr(), c.ptr()));
ASSERT_TRUE(equalIgnoringASCIICase(d.ptr(), d.ptr()));
// All combination.
ASSERT_FALSE(equalIgnoringASCIICase(a.ptr(), b.ptr()));
ASSERT_TRUE(equalIgnoringASCIICase(a.ptr(), c.ptr()));
ASSERT_TRUE(equalIgnoringASCIICase(a.ptr(), d.ptr()));
ASSERT_FALSE(equalIgnoringASCIICase(b.ptr(), c.ptr()));
ASSERT_FALSE(equalIgnoringASCIICase(b.ptr(), d.ptr()));
ASSERT_TRUE(equalIgnoringASCIICase(c.ptr(), d.ptr()));
ASSERT_FALSE(equalIgnoringASCIICase(a.ptr(), e));
ASSERT_FALSE(equalIgnoringASCIICase(b.ptr(), e));
ASSERT_FALSE(equalIgnoringASCIICase(c.ptr(), e));
ASSERT_FALSE(equalIgnoringASCIICase(d.ptr(), e));
}
TEST(WTF, StringImplFindIgnoringASCIICaseBasic)
{
auto referenceA = stringFromUTF8("aBcéeFG");
auto referenceB = stringFromUTF8("ABCÉEFG");
// Search the exact string.
EXPECT_EQ(static_cast<size_t>(0), referenceA->findIgnoringASCIICase(referenceA.ptr()));
EXPECT_EQ(static_cast<size_t>(0), referenceB->findIgnoringASCIICase(referenceB.ptr()));
// A and B are distinct by the non-ascii character é/É.
EXPECT_EQ(static_cast<size_t>(notFound), referenceA->findIgnoringASCIICase(referenceB.ptr()));
EXPECT_EQ(static_cast<size_t>(notFound), referenceB->findIgnoringASCIICase(referenceA.ptr()));
// Find the prefix.
EXPECT_EQ(static_cast<size_t>(0), referenceA->findIgnoringASCIICase(StringImpl::createFromLiteral("a").ptr()));
EXPECT_EQ(static_cast<size_t>(0), referenceA->findIgnoringASCIICase(stringFromUTF8("abcé").ptr()));
EXPECT_EQ(static_cast<size_t>(0), referenceA->findIgnoringASCIICase(StringImpl::createFromLiteral("A").ptr()));
EXPECT_EQ(static_cast<size_t>(0), referenceA->findIgnoringASCIICase(stringFromUTF8("ABCé").ptr()));
EXPECT_EQ(static_cast<size_t>(0), referenceB->findIgnoringASCIICase(StringImpl::createFromLiteral("a").ptr()));
EXPECT_EQ(static_cast<size_t>(0), referenceB->findIgnoringASCIICase(stringFromUTF8("abcÉ").ptr()));
EXPECT_EQ(static_cast<size_t>(0), referenceB->findIgnoringASCIICase(StringImpl::createFromLiteral("A").ptr()));
EXPECT_EQ(static_cast<size_t>(0), referenceB->findIgnoringASCIICase(stringFromUTF8("ABCÉ").ptr()));
// Not a prefix.
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(StringImpl::createFromLiteral("x").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(stringFromUTF8("accé").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(stringFromUTF8("abcÉ").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(StringImpl::createFromLiteral("X").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(stringFromUTF8("ABDé").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(stringFromUTF8("ABCÉ").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(StringImpl::createFromLiteral("y").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(stringFromUTF8("accÉ").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(stringFromUTF8("abcé").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(StringImpl::createFromLiteral("Y").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(stringFromUTF8("ABdÉ").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(stringFromUTF8("ABCé").ptr()));
// Find the infix.
EXPECT_EQ(static_cast<size_t>(2), referenceA->findIgnoringASCIICase(stringFromUTF8("cée").ptr()));
EXPECT_EQ(static_cast<size_t>(3), referenceA->findIgnoringASCIICase(stringFromUTF8("ée").ptr()));
EXPECT_EQ(static_cast<size_t>(2), referenceA->findIgnoringASCIICase(stringFromUTF8("cé").ptr()));
EXPECT_EQ(static_cast<size_t>(2), referenceA->findIgnoringASCIICase(stringFromUTF8("c").ptr()));
EXPECT_EQ(static_cast<size_t>(3), referenceA->findIgnoringASCIICase(stringFromUTF8("é").ptr()));
EXPECT_EQ(static_cast<size_t>(2), referenceA->findIgnoringASCIICase(stringFromUTF8("Cée").ptr()));
EXPECT_EQ(static_cast<size_t>(3), referenceA->findIgnoringASCIICase(stringFromUTF8("éE").ptr()));
EXPECT_EQ(static_cast<size_t>(2), referenceA->findIgnoringASCIICase(stringFromUTF8("Cé").ptr()));
EXPECT_EQ(static_cast<size_t>(2), referenceA->findIgnoringASCIICase(stringFromUTF8("C").ptr()));
EXPECT_EQ(static_cast<size_t>(2), referenceB->findIgnoringASCIICase(stringFromUTF8("cÉe").ptr()));
EXPECT_EQ(static_cast<size_t>(3), referenceB->findIgnoringASCIICase(stringFromUTF8("Ée").ptr()));
EXPECT_EQ(static_cast<size_t>(2), referenceB->findIgnoringASCIICase(stringFromUTF8("cÉ").ptr()));
EXPECT_EQ(static_cast<size_t>(2), referenceB->findIgnoringASCIICase(stringFromUTF8("c").ptr()));
EXPECT_EQ(static_cast<size_t>(3), referenceB->findIgnoringASCIICase(stringFromUTF8("É").ptr()));
EXPECT_EQ(static_cast<size_t>(2), referenceB->findIgnoringASCIICase(stringFromUTF8("CÉe").ptr()));
EXPECT_EQ(static_cast<size_t>(3), referenceB->findIgnoringASCIICase(stringFromUTF8("ÉE").ptr()));
EXPECT_EQ(static_cast<size_t>(2), referenceB->findIgnoringASCIICase(stringFromUTF8("CÉ").ptr()));
EXPECT_EQ(static_cast<size_t>(2), referenceB->findIgnoringASCIICase(stringFromUTF8("C").ptr()));
// Not an infix.
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(stringFromUTF8("céd").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(stringFromUTF8("Ée").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(stringFromUTF8("bé").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(stringFromUTF8("x").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(stringFromUTF8("É").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(stringFromUTF8("CÉe").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(stringFromUTF8("éd").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(stringFromUTF8("CÉ").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(stringFromUTF8("Y").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(stringFromUTF8("cée").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(stringFromUTF8("Éc").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(stringFromUTF8("cé").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(stringFromUTF8("W").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(stringFromUTF8("é").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(stringFromUTF8("bÉe").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(stringFromUTF8("éE").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(stringFromUTF8("BÉ").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(stringFromUTF8("z").ptr()));
// Find the suffix.
EXPECT_EQ(static_cast<size_t>(6), referenceA->findIgnoringASCIICase(StringImpl::createFromLiteral("g").ptr()));
EXPECT_EQ(static_cast<size_t>(4), referenceA->findIgnoringASCIICase(stringFromUTF8("efg").ptr()));
EXPECT_EQ(static_cast<size_t>(3), referenceA->findIgnoringASCIICase(stringFromUTF8("éefg").ptr()));
EXPECT_EQ(static_cast<size_t>(6), referenceA->findIgnoringASCIICase(StringImpl::createFromLiteral("G").ptr()));
EXPECT_EQ(static_cast<size_t>(4), referenceA->findIgnoringASCIICase(stringFromUTF8("EFG").ptr()));
EXPECT_EQ(static_cast<size_t>(3), referenceA->findIgnoringASCIICase(stringFromUTF8("éEFG").ptr()));
EXPECT_EQ(static_cast<size_t>(6), referenceB->findIgnoringASCIICase(StringImpl::createFromLiteral("g").ptr()));
EXPECT_EQ(static_cast<size_t>(4), referenceB->findIgnoringASCIICase(stringFromUTF8("efg").ptr()));
EXPECT_EQ(static_cast<size_t>(3), referenceB->findIgnoringASCIICase(stringFromUTF8("Éefg").ptr()));
EXPECT_EQ(static_cast<size_t>(6), referenceB->findIgnoringASCIICase(StringImpl::createFromLiteral("G").ptr()));
EXPECT_EQ(static_cast<size_t>(4), referenceB->findIgnoringASCIICase(stringFromUTF8("EFG").ptr()));
EXPECT_EQ(static_cast<size_t>(3), referenceB->findIgnoringASCIICase(stringFromUTF8("ÉEFG").ptr()));
// Not a suffix.
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(StringImpl::createFromLiteral("X").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(stringFromUTF8("edg").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(stringFromUTF8("Éefg").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(StringImpl::createFromLiteral("w").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(stringFromUTF8("dFG").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceA->findIgnoringASCIICase(stringFromUTF8("ÉEFG").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(StringImpl::createFromLiteral("Z").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(stringFromUTF8("ffg").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(stringFromUTF8("éefg").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(StringImpl::createFromLiteral("r").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(stringFromUTF8("EgG").ptr()));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), referenceB->findIgnoringASCIICase(stringFromUTF8("éEFG").ptr()));
}
TEST(WTF, StringImplFindIgnoringASCIICaseWithValidOffset)
{
auto reference = stringFromUTF8("ABCÉEFGaBcéeFG");
EXPECT_EQ(static_cast<size_t>(0), reference->findIgnoringASCIICase(stringFromUTF8("ABC").ptr(), 0));
EXPECT_EQ(static_cast<size_t>(7), reference->findIgnoringASCIICase(stringFromUTF8("ABC").ptr(), 1));
EXPECT_EQ(static_cast<size_t>(0), reference->findIgnoringASCIICase(stringFromUTF8("ABCÉ").ptr(), 0));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), reference->findIgnoringASCIICase(stringFromUTF8("ABCÉ").ptr(), 1));
EXPECT_EQ(static_cast<size_t>(7), reference->findIgnoringASCIICase(stringFromUTF8("ABCé").ptr(), 0));
EXPECT_EQ(static_cast<size_t>(7), reference->findIgnoringASCIICase(stringFromUTF8("ABCé").ptr(), 1));
}
TEST(WTF, StringImplFindIgnoringASCIICaseWithInvalidOffset)
{
auto reference = stringFromUTF8("ABCÉEFGaBcéeFG");
EXPECT_EQ(static_cast<size_t>(WTF::notFound), reference->findIgnoringASCIICase(stringFromUTF8("ABC").ptr(), 15));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), reference->findIgnoringASCIICase(stringFromUTF8("ABC").ptr(), 16));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), reference->findIgnoringASCIICase(stringFromUTF8("ABCÉ").ptr(), 17));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), reference->findIgnoringASCIICase(stringFromUTF8("ABCÉ").ptr(), 42));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), reference->findIgnoringASCIICase(stringFromUTF8("ABCÉ").ptr(), std::numeric_limits<unsigned>::max()));
}
TEST(WTF, StringImplFindIgnoringASCIICaseOnNull)
{
auto reference = stringFromUTF8("ABCÉEFG");
EXPECT_EQ(static_cast<size_t>(WTF::notFound), reference->findIgnoringASCIICase(nullptr));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), reference->findIgnoringASCIICase(nullptr, 0));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), reference->findIgnoringASCIICase(nullptr, 3));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), reference->findIgnoringASCIICase(nullptr, 7));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), reference->findIgnoringASCIICase(nullptr, 8));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), reference->findIgnoringASCIICase(nullptr, 42));
EXPECT_EQ(static_cast<size_t>(WTF::notFound), reference->findIgnoringASCIICase(nullptr, std::numeric_limits<unsigned>::max()));
}
TEST(WTF, StringImplFindIgnoringASCIICaseOnEmpty)
{
auto reference = stringFromUTF8("ABCÉEFG");
auto empty = StringImpl::create(reinterpret_cast<const LChar*>(""));
EXPECT_EQ(static_cast<size_t>(0), reference->findIgnoringASCIICase(empty.ptr()));
EXPECT_EQ(static_cast<size_t>(0), reference->findIgnoringASCIICase(empty.ptr(), 0));
EXPECT_EQ(static_cast<size_t>(3), reference->findIgnoringASCIICase(empty.ptr(), 3));
EXPECT_EQ(static_cast<size_t>(7), reference->findIgnoringASCIICase(empty.ptr(), 7));
EXPECT_EQ(static_cast<size_t>(7), reference->findIgnoringASCIICase(empty.ptr(), 8));
EXPECT_EQ(static_cast<size_t>(7), reference->findIgnoringASCIICase(empty.ptr(), 42));
EXPECT_EQ(static_cast<size_t>(7), reference->findIgnoringASCIICase(empty.ptr(), std::numeric_limits<unsigned>::max()));
}
TEST(WTF, StringImplFindIgnoringASCIICaseWithPatternLongerThanReference)
{
auto reference = stringFromUTF8("ABCÉEFG");
auto pattern = stringFromUTF8("XABCÉEFG");
EXPECT_EQ(static_cast<size_t>(WTF::notFound), reference->findIgnoringASCIICase(pattern.ptr()));
EXPECT_EQ(static_cast<size_t>(1), pattern->findIgnoringASCIICase(reference.ptr()));
}
TEST(WTF, StringImplStartsWithIgnoringASCIICaseBasic)
{
auto reference = stringFromUTF8("aBcéX");
auto referenceEquivalent = stringFromUTF8("AbCéx");
// Identity.
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(reference.ptr()));
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(*reference.ptr()));
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(referenceEquivalent.ptr()));
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(*referenceEquivalent.ptr()));
ASSERT_TRUE(referenceEquivalent->startsWithIgnoringASCIICase(reference.ptr()));
ASSERT_TRUE(referenceEquivalent->startsWithIgnoringASCIICase(*reference.ptr()));
ASSERT_TRUE(referenceEquivalent->startsWithIgnoringASCIICase(referenceEquivalent.ptr()));
ASSERT_TRUE(referenceEquivalent->startsWithIgnoringASCIICase(*referenceEquivalent.ptr()));
// Proper prefixes.
auto aLower = StringImpl::createFromLiteral("a");
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(aLower.ptr()));
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(*aLower.ptr()));
auto aUpper = StringImpl::createFromLiteral("A");
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(aUpper.ptr()));
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(*aUpper.ptr()));
auto abcLower = StringImpl::createFromLiteral("abc");
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(abcLower.ptr()));
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(*abcLower.ptr()));
auto abcUpper = StringImpl::createFromLiteral("ABC");
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(abcUpper.ptr()));
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(*abcUpper.ptr()));
auto abcAccentLower = stringFromUTF8("abcé");
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(abcAccentLower.ptr()));
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(*abcAccentLower.ptr()));
auto abcAccentUpper = stringFromUTF8("ABCé");
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(abcAccentUpper.ptr()));
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(*abcAccentUpper.ptr()));
// Negative cases.
auto differentFirstChar = stringFromUTF8("bBcéX");
auto differentFirstCharProperPrefix = stringFromUTF8("CBcé");
ASSERT_FALSE(reference->startsWithIgnoringASCIICase(differentFirstChar.ptr()));
ASSERT_FALSE(reference->startsWithIgnoringASCIICase(*differentFirstChar.ptr()));
ASSERT_FALSE(reference->startsWithIgnoringASCIICase(differentFirstCharProperPrefix.ptr()));
ASSERT_FALSE(reference->startsWithIgnoringASCIICase(*differentFirstCharProperPrefix.ptr()));
auto uppercaseAccent = stringFromUTF8("aBcÉX");
auto uppercaseAccentProperPrefix = stringFromUTF8("aBcÉX");
ASSERT_FALSE(reference->startsWithIgnoringASCIICase(uppercaseAccent.ptr()));
ASSERT_FALSE(reference->startsWithIgnoringASCIICase(*uppercaseAccent.ptr()));
ASSERT_FALSE(reference->startsWithIgnoringASCIICase(uppercaseAccentProperPrefix.ptr()));
ASSERT_FALSE(reference->startsWithIgnoringASCIICase(*uppercaseAccentProperPrefix.ptr()));
}
TEST(WTF, StringImplStartsWithIgnoringASCIICaseWithNull)
{
auto reference = StringImpl::createFromLiteral("aBcDeFG");
ASSERT_FALSE(reference->startsWithIgnoringASCIICase(nullptr));
auto empty = StringImpl::create(reinterpret_cast<const LChar*>(""));
ASSERT_FALSE(empty->startsWithIgnoringASCIICase(nullptr));
}
TEST(WTF, StringImplStartsWithIgnoringASCIICaseWithEmpty)
{
auto reference = StringImpl::createFromLiteral("aBcDeFG");
auto empty = StringImpl::create(reinterpret_cast<const LChar*>(""));
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(empty.ptr()));
ASSERT_TRUE(reference->startsWithIgnoringASCIICase(*empty.ptr()));
ASSERT_TRUE(empty->startsWithIgnoringASCIICase(empty.ptr()));
ASSERT_TRUE(empty->startsWithIgnoringASCIICase(*empty.ptr()));
ASSERT_FALSE(empty->startsWithIgnoringASCIICase(reference.ptr()));
ASSERT_FALSE(empty->startsWithIgnoringASCIICase(*reference.ptr()));
}
TEST(WTF, StartsWithLettersIgnoringASCIICase)
{
String string("Test tEST");
ASSERT_TRUE(startsWithLettersIgnoringASCIICase(string, "test t"));
ASSERT_TRUE(startsWithLettersIgnoringASCIICase(string, "test te"));
ASSERT_TRUE(startsWithLettersIgnoringASCIICase(string, "test test"));
ASSERT_FALSE(startsWithLettersIgnoringASCIICase(string, "test tex"));
ASSERT_TRUE(startsWithLettersIgnoringASCIICase(string, ""));
ASSERT_TRUE(startsWithLettersIgnoringASCIICase(String(""), ""));
ASSERT_FALSE(startsWithLettersIgnoringASCIICase(String(), "t"));
ASSERT_FALSE(startsWithLettersIgnoringASCIICase(String(), ""));
}
TEST(WTF, StringImplEndsWithIgnoringASCIICaseBasic)
{
auto reference = stringFromUTF8("XÉCbA");
auto referenceEquivalent = stringFromUTF8("xÉcBa");
// Identity.
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(reference.ptr()));
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(*reference.ptr()));
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(referenceEquivalent.ptr()));
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(*referenceEquivalent.ptr()));
ASSERT_TRUE(referenceEquivalent->endsWithIgnoringASCIICase(reference.ptr()));
ASSERT_TRUE(referenceEquivalent->endsWithIgnoringASCIICase(*reference.ptr()));
ASSERT_TRUE(referenceEquivalent->endsWithIgnoringASCIICase(referenceEquivalent.ptr()));
ASSERT_TRUE(referenceEquivalent->endsWithIgnoringASCIICase(*referenceEquivalent.ptr()));
// Proper suffixes.
auto aLower = StringImpl::createFromLiteral("a");
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(aLower.ptr()));
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(*aLower.ptr()));
auto aUpper = StringImpl::createFromLiteral("a");
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(aUpper.ptr()));
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(*aUpper.ptr()));
auto abcLower = StringImpl::createFromLiteral("cba");
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(abcLower.ptr()));
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(*abcLower.ptr()));
auto abcUpper = StringImpl::createFromLiteral("CBA");
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(abcUpper.ptr()));
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(*abcUpper.ptr()));
auto abcAccentLower = stringFromUTF8("Écba");
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(abcAccentLower.ptr()));
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(*abcAccentLower.ptr()));
auto abcAccentUpper = stringFromUTF8("ÉCBA");
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(abcAccentUpper.ptr()));
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(*abcAccentUpper.ptr()));
// Negative cases.
auto differentLastChar = stringFromUTF8("XÉCbB");
auto differentLastCharProperSuffix = stringFromUTF8("ÉCbb");
ASSERT_FALSE(reference->endsWithIgnoringASCIICase(differentLastChar.ptr()));
ASSERT_FALSE(reference->endsWithIgnoringASCIICase(*differentLastChar.ptr()));
ASSERT_FALSE(reference->endsWithIgnoringASCIICase(differentLastCharProperSuffix.ptr()));
ASSERT_FALSE(reference->endsWithIgnoringASCIICase(*differentLastCharProperSuffix.ptr()));
auto lowercaseAccent = stringFromUTF8("aBcéX");
auto loweraseAccentProperSuffix = stringFromUTF8("aBcéX");
ASSERT_FALSE(reference->endsWithIgnoringASCIICase(lowercaseAccent.ptr()));
ASSERT_FALSE(reference->endsWithIgnoringASCIICase(*lowercaseAccent.ptr()));
ASSERT_FALSE(reference->endsWithIgnoringASCIICase(loweraseAccentProperSuffix.ptr()));
ASSERT_FALSE(reference->endsWithIgnoringASCIICase(*loweraseAccentProperSuffix.ptr()));
}
TEST(WTF, StringImplEndsWithIgnoringASCIICaseWithNull)
{
auto reference = StringImpl::createFromLiteral("aBcDeFG");
ASSERT_FALSE(reference->endsWithIgnoringASCIICase(nullptr));
auto empty = StringImpl::create(reinterpret_cast<const LChar*>(""));
ASSERT_FALSE(empty->endsWithIgnoringASCIICase(nullptr));
}
TEST(WTF, StringImplEndsWithIgnoringASCIICaseWithEmpty)
{
auto reference = StringImpl::createFromLiteral("aBcDeFG");
auto empty = StringImpl::create(reinterpret_cast<const LChar*>(""));
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(empty.ptr()));
ASSERT_TRUE(reference->endsWithIgnoringASCIICase(*empty.ptr()));
ASSERT_TRUE(empty->endsWithIgnoringASCIICase(empty.ptr()));
ASSERT_TRUE(empty->endsWithIgnoringASCIICase(*empty.ptr()));
ASSERT_FALSE(empty->endsWithIgnoringASCIICase(reference.ptr()));
ASSERT_FALSE(empty->endsWithIgnoringASCIICase(*reference.ptr()));
}
TEST(WTF, StringImplCreateNullSymbol)
{
auto reference = SymbolImpl::createNullSymbol();
ASSERT_TRUE(reference->isSymbol());
ASSERT_FALSE(reference->isPrivate());
ASSERT_TRUE(reference->isNullSymbol());
ASSERT_FALSE(reference->isAtom());
ASSERT_EQ(0u, reference->length());
ASSERT_TRUE(equal(reference.ptr(), ""));
}
TEST(WTF, StringImplCreateSymbol)
{
auto original = stringFromUTF8("original");
auto reference = SymbolImpl::create(original);
ASSERT_TRUE(reference->isSymbol());
ASSERT_FALSE(reference->isPrivate());
ASSERT_FALSE(reference->isNullSymbol());
ASSERT_FALSE(reference->isAtom());
ASSERT_FALSE(original->isSymbol());
ASSERT_FALSE(original->isAtom());
ASSERT_EQ(original->length(), reference->length());
ASSERT_TRUE(equal(reference.ptr(), "original"));
auto empty = stringFromUTF8("");
auto emptyReference = SymbolImpl::create(empty);
ASSERT_TRUE(emptyReference->isSymbol());
ASSERT_FALSE(emptyReference->isPrivate());
ASSERT_FALSE(emptyReference->isNullSymbol());
ASSERT_FALSE(emptyReference->isAtom());
ASSERT_FALSE(empty->isSymbol());
ASSERT_TRUE(empty->isAtom());
ASSERT_EQ(empty->length(), emptyReference->length());
ASSERT_TRUE(equal(emptyReference.ptr(), ""));
}
TEST(WTF, StringImplCreatePrivateSymbol)
{
auto original = stringFromUTF8("original");
auto reference = PrivateSymbolImpl::create(original);
ASSERT_TRUE(reference->isSymbol());
ASSERT_TRUE(reference->isPrivate());
ASSERT_FALSE(reference->isNullSymbol());
ASSERT_FALSE(reference->isAtom());
ASSERT_FALSE(original->isSymbol());
ASSERT_FALSE(original->isAtom());
ASSERT_EQ(original->length(), reference->length());
ASSERT_TRUE(equal(reference.ptr(), "original"));
auto empty = stringFromUTF8("");
auto emptyReference = PrivateSymbolImpl::create(empty);
ASSERT_TRUE(emptyReference->isSymbol());
ASSERT_TRUE(emptyReference->isPrivate());
ASSERT_FALSE(emptyReference->isNullSymbol());
ASSERT_FALSE(emptyReference->isAtom());
ASSERT_FALSE(empty->isSymbol());
ASSERT_TRUE(empty->isAtom());
ASSERT_EQ(empty->length(), emptyReference->length());
ASSERT_TRUE(equal(emptyReference.ptr(), ""));
}
TEST(WTF, StringImplSymbolToAtomString)
{
auto original = stringFromUTF8("original");
auto reference = SymbolImpl::create(original);
ASSERT_TRUE(reference->isSymbol());
ASSERT_FALSE(reference->isPrivate());
ASSERT_FALSE(reference->isAtom());
auto result = AtomStringImpl::lookUp(reference.ptr());
ASSERT_FALSE(result);
auto atomic = AtomStringImpl::add(reference.ptr());
ASSERT_TRUE(atomic->isAtom());
ASSERT_FALSE(atomic->isSymbol());
ASSERT_TRUE(reference->isSymbol());
ASSERT_FALSE(reference->isAtom());
auto result2 = AtomStringImpl::lookUp(reference.ptr());
ASSERT_TRUE(result2);
}
TEST(WTF, StringImplNullSymbolToAtomString)
{
auto reference = SymbolImpl::createNullSymbol();
ASSERT_TRUE(reference->isSymbol());
ASSERT_FALSE(reference->isPrivate());
ASSERT_FALSE(reference->isAtom());
// Because the substring of the reference is the empty string which is already interned.
auto result = AtomStringImpl::lookUp(reference.ptr());
ASSERT_TRUE(result);
auto atomic = AtomStringImpl::add(reference.ptr());
ASSERT_TRUE(atomic->isAtom());
ASSERT_FALSE(atomic->isSymbol());
ASSERT_TRUE(reference->isSymbol());
ASSERT_FALSE(reference->isAtom());
ASSERT_EQ(atomic.get(), StringImpl::empty());
auto result2 = AtomStringImpl::lookUp(reference.ptr());
ASSERT_TRUE(result2);
}
static StringImpl::StaticStringImpl staticString {"Cocoa"};
TEST(WTF, StringImplStaticToAtomString)
{
StringImpl& original = staticString;
ASSERT_FALSE(original.isSymbol());
ASSERT_FALSE(original.isAtom());
ASSERT_TRUE(original.isStatic());
auto result = AtomStringImpl::lookUp(&original);
ASSERT_FALSE(result);
auto atomic = AtomStringImpl::add(&original);
ASSERT_TRUE(atomic->isAtom());
ASSERT_FALSE(atomic->isSymbol());
ASSERT_FALSE(atomic->isStatic());
ASSERT_FALSE(original.isSymbol());
ASSERT_FALSE(original.isAtom());
ASSERT_TRUE(original.isStatic());
ASSERT_TRUE(atomic->is8Bit());
ASSERT_EQ(atomic->characters8(), original.characters8());
auto result2 = AtomStringImpl::lookUp(&original);
ASSERT_TRUE(result2);
ASSERT_EQ(atomic, result2);
}
TEST(WTF, StringImplConstexprHasher)
{
ASSERT_EQ(stringFromUTF8("")->hash(), StringHasher::computeLiteralHashAndMaskTop8Bits(""));
ASSERT_EQ(stringFromUTF8("A")->hash(), StringHasher::computeLiteralHashAndMaskTop8Bits("A"));
ASSERT_EQ(stringFromUTF8("AA")->hash(), StringHasher::computeLiteralHashAndMaskTop8Bits("AA"));
ASSERT_EQ(stringFromUTF8("Cocoa")->hash(), StringHasher::computeLiteralHashAndMaskTop8Bits("Cocoa"));
ASSERT_EQ(stringFromUTF8("Cappuccino")->hash(), StringHasher::computeLiteralHashAndMaskTop8Bits("Cappuccino"));
}
TEST(WTF, StringImplEmpty)
{
ASSERT_FALSE(StringImpl::empty()->length());
}
static const String& neverDestroyedString()
{
static NeverDestroyed<String> str(MAKE_STATIC_STRING_IMPL("NeverDestroyedString"));
return str;
};
static const String& getNeverDestroyedStringAtStackDepth(int i)
{
if (--i)
return getNeverDestroyedStringAtStackDepth(i);
return neverDestroyedString();
};
TEST(WTF, StaticStringImpl)
{
// Construct using MAKE_STATIC_STRING_IMPL.
String hello(MAKE_STATIC_STRING_IMPL("hello"));
String world(MAKE_STATIC_STRING_IMPL("world"));
String longer(MAKE_STATIC_STRING_IMPL("longer"));
String hello2(MAKE_STATIC_STRING_IMPL("hello"));
ASSERT_EQ(strlen("hello"), hello.length());
ASSERT_EQ(strlen("world"), world.length());
ASSERT_EQ(strlen("longer"), longer.length());
ASSERT_EQ(strlen("hello"), hello2.length());
ASSERT_TRUE(equal(hello, "hello"));
ASSERT_TRUE(equal(world, "world"));
ASSERT_TRUE(equal(longer, "longer"));
ASSERT_TRUE(equal(hello2, "hello"));
// Each StaticStringImpl* returned by MAKE_STATIC_STRING_IMPL should be unique.
ASSERT_NE(hello.impl(), hello2.impl());
// Test that MAKE_STATIC_STRING_IMPL isn't allocating a StaticStringImpl on the stack.
const String& str1 = getNeverDestroyedStringAtStackDepth(10);
ASSERT_EQ(strlen("NeverDestroyedString"), str1.length());
ASSERT_TRUE(equal(str1, "NeverDestroyedString"));
const String& str2 = getNeverDestroyedStringAtStackDepth(20);
ASSERT_EQ(strlen("NeverDestroyedString"), str2.length());
ASSERT_TRUE(equal(str2, "NeverDestroyedString"));
ASSERT_TRUE(equal(str1, str2));
ASSERT_EQ(&str1, &str2);
ASSERT_EQ(str1.impl(), str2.impl());
}
static SymbolImpl::StaticSymbolImpl staticSymbol {"Cocoa"};
static SymbolImpl::StaticSymbolImpl staticPrivateSymbol {"Cocoa", SymbolImpl::s_flagIsPrivate };
TEST(WTF, StaticSymbolImpl)
{
auto& symbol = static_cast<SymbolImpl&>(staticSymbol);
ASSERT_TRUE(symbol.isSymbol());
ASSERT_FALSE(symbol.isPrivate());
}
TEST(WTF, StaticPrivateSymbolImpl)
{
auto& symbol = static_cast<SymbolImpl&>(staticPrivateSymbol);
ASSERT_TRUE(symbol.isSymbol());
ASSERT_TRUE(symbol.isPrivate());
}
TEST(WTF, ExternalStringImplCreate8bit)
{
constexpr LChar buffer[] = "hello";
constexpr size_t bufferStringLength = sizeof(buffer) - 1;
bool freeFunctionCalled = false;
{
auto external = ExternalStringImpl::create(buffer, bufferStringLength, [&freeFunctionCalled](ExternalStringImpl* externalStringImpl, void* buffer, unsigned bufferSize) mutable {
freeFunctionCalled = true;
});
ASSERT_TRUE(external->isExternal());
ASSERT_TRUE(external->is8Bit());
ASSERT_FALSE(external->isSymbol());
ASSERT_FALSE(external->isAtom());
ASSERT_EQ(external->length(), bufferStringLength);
ASSERT_EQ(external->characters8(), buffer);
}
ASSERT_TRUE(freeFunctionCalled);
}
TEST(WTF, ExternalStringImplCreate16bit)
{
constexpr UChar buffer[] = { L'h', L'e', L'l', L'l', L'o', L'\0' };
constexpr size_t bufferStringLength = (sizeof(buffer) - 1) / sizeof(UChar);
bool freeFunctionCalled = false;
{
auto external = ExternalStringImpl::create(buffer, bufferStringLength, [&freeFunctionCalled](ExternalStringImpl* externalStringImpl, void* buffer, unsigned bufferSize) mutable {
freeFunctionCalled = true;
});
ASSERT_TRUE(external->isExternal());
ASSERT_FALSE(external->is8Bit());
ASSERT_FALSE(external->isSymbol());
ASSERT_FALSE(external->isAtom());
ASSERT_EQ(external->length(), bufferStringLength);
ASSERT_EQ(external->characters16(), buffer);
}
ASSERT_TRUE(freeFunctionCalled);
}
TEST(WTF, StringImplNotExternal)
{
auto notExternal = stringFromUTF8("hello");
ASSERT_FALSE(notExternal->isExternal());
}
TEST(WTF, ExternalStringAtom)
{
constexpr LChar buffer[] = "hello";
constexpr size_t bufferStringLength = sizeof(buffer) - 1;
bool freeFunctionCalled = false;
{
auto external = ExternalStringImpl::create(buffer, bufferStringLength, [&freeFunctionCalled](ExternalStringImpl* externalStringImpl, void* buffer, unsigned bufferSize) mutable {
freeFunctionCalled = true;
});
ASSERT_TRUE(external->isExternal());
ASSERT_FALSE(external->isAtom());
ASSERT_FALSE(external->isSymbol());
ASSERT_TRUE(external->is8Bit());
ASSERT_EQ(external->length(), bufferStringLength);
ASSERT_EQ(external->characters8(), buffer);
auto result = AtomStringImpl::lookUp(external.ptr());
ASSERT_FALSE(result);
auto atomic = AtomStringImpl::add(external.ptr());
ASSERT_TRUE(atomic->isExternal());
ASSERT_TRUE(atomic->isAtom());
ASSERT_FALSE(atomic->isSymbol());
ASSERT_TRUE(atomic->is8Bit());
ASSERT_EQ(atomic->length(), external->length());
ASSERT_EQ(atomic->characters8(), external->characters8());
auto result2 = AtomStringImpl::lookUp(external.ptr());
ASSERT_TRUE(result2);
ASSERT_EQ(atomic, result2);
}
ASSERT_TRUE(freeFunctionCalled);
}
TEST(WTF, ExternalStringToSymbol)
{
constexpr LChar buffer[] = "hello";
constexpr size_t bufferStringLength = sizeof(buffer) - 1;
bool freeFunctionCalled = false;
{
auto external = ExternalStringImpl::create(buffer, bufferStringLength, [&freeFunctionCalled](ExternalStringImpl* externalStringImpl, void* buffer, unsigned bufferSize) mutable {
freeFunctionCalled = true;
});
ASSERT_TRUE(external->isExternal());
ASSERT_FALSE(external->isSymbol());
ASSERT_FALSE(external->isAtom());
auto symbol = SymbolImpl::create(external);
ASSERT_FALSE(symbol->isExternal());
ASSERT_TRUE(symbol->isSymbol());
ASSERT_FALSE(symbol->isAtom());
ASSERT_FALSE(symbol->isPrivate());
ASSERT_FALSE(symbol->isNullSymbol());
ASSERT_EQ(external->length(), symbol->length());
ASSERT_TRUE(equal(symbol.ptr(), buffer));
}
ASSERT_TRUE(freeFunctionCalled);
}
} // namespace TestWebKitAPI