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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/testapp.h>
#include <vespa/fastlib/text/normwordfolder.h>
#include <vespa/searchlib/query/base.h>
#include <vespa/vsm/searcher/fold.h>
#include <vespa/vsm/searcher/futf8strchrfieldsearcher.h>
#include <vespa/vsm/searcher/utf8stringfieldsearcherbase.h>
using search::byte; // unsigned char
namespace vsm {
template <typename T>
class Vector : public std::vector<T>
{
public:
Vector() : std::vector<T>() {}
Vector<T> & a(T v) { this->push_back(v); return *this; }
};
using UCS4V = Vector<ucs4_t>;
using SizeV = Vector<size_t>;
using SFSB = UTF8StringFieldSearcherBase;
using FSFS = FUTF8StrChrFieldSearcher;
class TextUtilTest : public vespalib::TestApp
{
private:
ucs4_t getUTF8Char(const char * src);
template <typename BW, bool OFF>
void assertSkipSeparators(const char * input, size_t len, const UCS4V & expdstbuf, const SizeV & expoffsets);
void assertAnsiFold(const std::string & toFold, const std::string & exp);
void assertAnsiFold(char c, char exp);
#ifdef __x86_64__
void assert_sse2_foldua(const std::string & toFold, size_t charFolded, const std::string & exp);
void assert_sse2_foldua(unsigned char c, unsigned char exp, size_t charFolded = 16);
#endif
template <typename BW, bool OFF>
void testSkipSeparators();
void testSkipSeparators();
void testSeparatorCharacter();
void testAnsiFold();
void test_lfoldua();
#ifdef __x86_64__
void test_sse2_foldua();
#endif
public:
int Main() override;
};
ucs4_t
TextUtilTest::getUTF8Char(const char * src)
{
ucs4_t retval = Fast_UnicodeUtil::GetUTF8Char(src);
ASSERT_TRUE(retval != Fast_UnicodeUtil::_BadUTF8Char);
return retval;
}
template <typename BW, bool OFF>
void
TextUtilTest::assertSkipSeparators(const char * input, size_t len, const UCS4V & expdstbuf, const SizeV & expoffsets)
{
const byte * srcbuf = reinterpret_cast<const byte *>(input);
auto dstbuf = std::make_unique<ucs4_t[]>(len + 1);
auto offsets = std::make_unique<size_t[]>(len + 1);
UTF8StrChrFieldSearcher fs;
BW bw(dstbuf.get(), offsets.get());
size_t dstlen = fs.skipSeparators(srcbuf, len, bw);
EXPECT_EQUAL(dstlen, expdstbuf.size());
ASSERT_TRUE(dstlen == expdstbuf.size());
for (size_t i = 0; i < dstlen; ++i) {
EXPECT_EQUAL(dstbuf[i], expdstbuf[i]);
if (OFF) {
EXPECT_EQUAL(offsets[i], expoffsets[i]);
}
}
}
void
TextUtilTest::assertAnsiFold(const std::string & toFold, const std::string & exp)
{
char folded[256];
EXPECT_TRUE(FSFS::ansiFold(toFold.c_str(), toFold.size(), folded));
EXPECT_EQUAL(std::string(folded, toFold.size()), exp);
}
void
TextUtilTest::assertAnsiFold(char c, char exp)
{
char folded;
EXPECT_TRUE(FSFS::ansiFold(&c, 1, &folded));
EXPECT_EQUAL((int32_t)folded, (int32_t)exp);
}
#ifdef __x86_64__
void
TextUtilTest::assert_sse2_foldua(const std::string & toFold, size_t charFolded, const std::string & exp)
{
char folded[256];
size_t alignedStart = 0xF - (size_t(folded + 0xF) % 0x10);
const unsigned char * toFoldOrg = reinterpret_cast<const unsigned char *>(toFold.c_str());
const unsigned char * retval =
sse2_foldua(toFoldOrg, toFold.size(), reinterpret_cast<unsigned char *>(folded + alignedStart));
EXPECT_EQUAL((size_t)(retval - toFoldOrg), charFolded);
EXPECT_EQUAL(std::string(folded + alignedStart, charFolded), exp);
}
void
TextUtilTest::assert_sse2_foldua(unsigned char c, unsigned char exp, size_t charFolded)
{
unsigned char toFold[16];
memset(toFold, c, 16);
unsigned char folded[32];
size_t alignedStart = 0xF - (size_t(folded + 0xF) % 0x10);
const unsigned char * retval = sse2_foldua(toFold, 16, folded + alignedStart);
EXPECT_EQUAL((size_t)(retval - toFold), charFolded);
for (size_t i = 0; i < charFolded; ++i) {
EXPECT_EQUAL((int32_t)folded[i + alignedStart], (int32_t)exp);
}
}
#endif
template <typename BW, bool OFF>
void
TextUtilTest::testSkipSeparators()
{
// ascii characters
assertSkipSeparators<BW, OFF>("foo", 3, UCS4V().a('f').a('o').a('o'), SizeV().a(0).a(1).a(2));
assertSkipSeparators<BW, OFF>("f\x1Fo", 3, UCS4V().a('f').a('o'), SizeV().a(0).a(2));
assertSkipSeparators<BW, OFF>("f\no", 3, UCS4V().a('f').a('\n').a('o'), SizeV().a(0).a(1).a(2));
assertSkipSeparators<BW, OFF>("f\to", 3, UCS4V().a('f').a('\t').a('o'), SizeV().a(0).a(1).a(2));
// utf8 char
assertSkipSeparators<BW, OFF>("\xC2\x80\x66", 3, UCS4V().a(getUTF8Char("\xC2\x80")).a('f'),
SizeV().a(0).a(2));
assertSkipSeparators<BW, OFF>("\xE0\xA0\x80\x66", 4, UCS4V().a(getUTF8Char("\xE0\xA0\x80")).a('f'),
SizeV().a(0).a(3));
assertSkipSeparators<BW, OFF>("\xF0\x90\x80\x80\x66", 5, UCS4V().a(getUTF8Char("\xF0\x90\x80\x80")).a('f'),
SizeV().a(0).a(4));
// replacement string (sharp s -> ss)
assertSkipSeparators<BW, OFF>("\xC3\x9F\x66\xC3\x9F", 5, UCS4V().a('s').a('s').a('f').a('s').a('s'),
SizeV().a(0).a(0).a(2).a(3).a(3));
}
void
TextUtilTest::testSkipSeparators()
{
Fast_NormalizeWordFolder::Setup(Fast_NormalizeWordFolder::DO_SHARP_S_SUBSTITUTION);
testSkipSeparators<SFSB::BufferWrapper, false>();
testSkipSeparators<SFSB::OffsetWrapper, true>();
}
void
TextUtilTest::testSeparatorCharacter()
{
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x00'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x01'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x02'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x03'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x04'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x05'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x06'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x07'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x08'));
EXPECT_TRUE(! SFSB::isSeparatorCharacter('\x09')); // '\t'
EXPECT_TRUE(! SFSB::isSeparatorCharacter('\x0a')); // '\n'
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x0b'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x0c'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x0d'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x0e'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x0f'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x10'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x11'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x12'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x13'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x14'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x15'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x16'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x17'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x18'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x19'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x1a'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x1b'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x1c'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x1d'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x1e'));
EXPECT_TRUE(SFSB::isSeparatorCharacter('\x1f'));
EXPECT_TRUE(! SFSB::isSeparatorCharacter('\x20')); // space
}
void
TextUtilTest::testAnsiFold()
{
FieldSearcher::init();
assertAnsiFold("", "");
assertAnsiFold("ABCDEFGHIJKLMNOPQRSTUVWXYZ", "abcdefghijklmnopqrstuvwxyz");
assertAnsiFold("abcdefghijklmnopqrstuvwxyz", "abcdefghijklmnopqrstuvwxyz");
assertAnsiFold("0123456789", "0123456789");
for (int i = 0; i < 128; ++i) {
if ((i >= 'a' && i <= 'z') || (i >= '0' && i <= '9')) {
assertAnsiFold(i, i);
} else if (i >= 'A' && i <= 'Z') {
assertAnsiFold(i, i + 32);
} else {
assertAnsiFold(i, 0);
}
}
// non-ascii is ignored
for (int i = 128; i < 256; ++i) {
char toFold = i;
char folded;
EXPECT_TRUE(!FSFS::ansiFold(&toFold, 1, &folded));
}
}
void
TextUtilTest::test_lfoldua()
{
FieldSearcher::init();
char folded[256];
size_t alignedStart = 0;
const char * toFold = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
size_t len = strlen(toFold);
EXPECT_TRUE(FSFS::lfoldua(toFold, len, folded, alignedStart));
EXPECT_EQUAL(std::string(folded + alignedStart, len), "abcdefghijklmnopqrstuvwxyz");
}
#ifdef __x86_64__
void
TextUtilTest::test_sse2_foldua()
{
assert_sse2_foldua("", 0, "");
assert_sse2_foldua("ABCD", 0, "");
assert_sse2_foldua("ABCDEFGHIJKLMNO", 0, "");
assert_sse2_foldua("ABCDEFGHIJKLMNOP", 16, "abcdefghijklmnop");
assert_sse2_foldua("ABCDEFGHIJKLMNOPQ", 16, "abcdefghijklmnop");
assert_sse2_foldua("KLMNOPQRSTUVWXYZ", 16, "klmnopqrstuvwxyz");
assert_sse2_foldua("abcdefghijklmnop", 16, "abcdefghijklmnop");
assert_sse2_foldua("klmnopqrstuvwxyz", 16, "klmnopqrstuvwxyz");
assert_sse2_foldua("0123456789abcdef", 16, "0123456789abcdef");
for (int i = 0; i < 128; ++i) {
if ((i >= 'a' && i <= 'z') || (i >= '0' && i <= '9')) {
assert_sse2_foldua(i, i);
} else if (i >= 'A' && i <= 'Z') {
assert_sse2_foldua(i, i + 32);
} else {
assert_sse2_foldua(i, 0);
}
}
// non-ascii is ignored
for (int i = 128; i < 256; ++i) {
assert_sse2_foldua(i, '?', 0);
}
}
#endif
int
TextUtilTest::Main()
{
TEST_INIT("textutil_test");
testSkipSeparators();
testSeparatorCharacter();
testAnsiFold();
test_lfoldua();
#ifdef __x86_64__
test_sse2_foldua();
#endif
TEST_DONE();
}
}
TEST_APPHOOK(vsm::TextUtilTest);
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