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#include "escape.h"
#include <library/cpp/testing/unittest/registar.h>
#include <util/generic/string.h>
#include <util/charset/wide.h>
using namespace std::string_view_literals;
namespace {
struct TExample {
TString Expected;
TString Source;
TExample(const TStringBuf expected, const TStringBuf source)
: Expected{expected}
, Source{source}
{
}
};
}
static const TExample CommonTestData[] = {
// Should be valid UTF-8.
{"http://ya.ru/", "http://ya.ru/"},
{"http://ya.ru/\\x17\\n", "http://ya.ru/\x17\n"},
{"http://ya.ru/\\0", "http://ya.ru/\0"sv},
{"http://ya.ru/\\0\\0", "http://ya.ru/\0\0"sv},
{"http://ya.ru/\\0\\0000", "http://ya.ru/\0\0"
"0"sv},
{"http://ya.ru/\\0\\0001", "http://ya.ru/\0\x00"
"1"sv},
{R"(\2\4\00678)", "\2\4\6"
"78"sv}, // \6 -> \006 because next char '7' is "octal"
{R"(\2\4\689)", "\2\4\6"
"89"sv}, // \6 -> \6 because next char '8' is not "octal"
{R"(\"Hello\", Alice said.)", "\"Hello\", Alice said."},
{"Slash\\\\dash!", "Slash\\dash!"},
{R"(There\nare\r\nnewlines.)", "There\nare\r\nnewlines."},
{"There\\tare\\ttabs.", "There\tare\ttabs."},
{"There are questions \\x3F\\x3F?", "There are questions ???"},
{"There are questions \\x3F?", "There are questions ??"},
};
Y_UNIT_TEST_SUITE(TEscapeCTest) {
Y_UNIT_TEST(TestStrokaEscapeC) {
for (const auto& e : CommonTestData) {
TString expected(e.Expected);
TString source(e.Source);
TString actual(EscapeC(e.Source));
TString actual2(UnescapeC(e.Expected));
UNIT_ASSERT_VALUES_EQUAL(e.Expected, actual);
UNIT_ASSERT_VALUES_EQUAL(e.Source, actual2);
}
UNIT_ASSERT_VALUES_EQUAL("http://ya.ru/\\x17\\n\\xAB", EscapeC(TString("http://ya.ru/\x17\n\xab")));
UNIT_ASSERT_VALUES_EQUAL("http://ya.ru/\x17\n\xab", UnescapeC(TString("http://ya.ru/\\x17\\n\\xAB")));
UNIT_ASSERT_VALUES_EQUAL("h", EscapeC('h'));
UNIT_ASSERT_VALUES_EQUAL("h", UnescapeC(TString("h")));
UNIT_ASSERT_VALUES_EQUAL("\\xFF", EscapeC('\xFF'));
UNIT_ASSERT_VALUES_EQUAL("\xFF", UnescapeC(TString("\\xFF")));
UNIT_ASSERT_VALUES_EQUAL("\\377f", EscapeC(TString("\xff"
"f")));
UNIT_ASSERT_VALUES_EQUAL("\xff"
"f",
UnescapeC(TString("\\377f")));
UNIT_ASSERT_VALUES_EQUAL("\\xFFg", EscapeC(TString("\xff"
"g")));
UNIT_ASSERT_VALUES_EQUAL("\xff"
"g",
UnescapeC(TString("\\xFFg")));
UNIT_ASSERT_VALUES_EQUAL("\xEA\x9A\x96", UnescapeC(TString("\\uA696")));
UNIT_ASSERT_VALUES_EQUAL("Странный компроматтест", UnescapeC(TString("\\u0421\\u0442\\u0440\\u0430\\u043d\\u043d\\u044b\\u0439 \\u043a\\u043e\\u043c\\u043f\\u0440\\u043e\\u043c\\u0430\\u0442тест")));
}
Y_UNIT_TEST(TestWtrokaEscapeC) {
for (const auto& e : CommonTestData) {
TUtf16String expected(UTF8ToWide(e.Expected));
TUtf16String source(UTF8ToWide(e.Source));
TUtf16String actual(EscapeC(source));
TUtf16String actual2(UnescapeC(expected));
UNIT_ASSERT_VALUES_EQUAL(expected, actual);
UNIT_ASSERT_VALUES_EQUAL(source, actual2);
}
UNIT_ASSERT_VALUES_EQUAL(u"http://ya.ru/\\x17\\n\\u1234", EscapeC(u"http://ya.ru/\x17\n\u1234"));
UNIT_ASSERT_VALUES_EQUAL(u"h", EscapeC(u'h'));
UNIT_ASSERT_VALUES_EQUAL(u"\\xFF", EscapeC(wchar16(255)));
}
Y_UNIT_TEST(TestEscapeTrigraphs) {
UNIT_ASSERT_VALUES_EQUAL("?", EscapeC(TString("?")));
UNIT_ASSERT_VALUES_EQUAL("\\x3F?", EscapeC(TString("??")));
UNIT_ASSERT_VALUES_EQUAL("\\x3F\\x3F?", EscapeC(TString("???")));
// ok but may cause warning about trigraphs
// UNIT_ASSERT_VALUES_EQUAL("[x]?z", EscapeC(TString("??(x??)?z")));
UNIT_ASSERT_VALUES_EQUAL("\\x3F?x\\x3F\\x3F?z", EscapeC(TString("??x???z")));
}
Y_UNIT_TEST(TestUnescapeCCharLen) {
auto test = [](const char* str, size_t len) {
UNIT_ASSERT_EQUAL(UnescapeCCharLen(str, str + strlen(str)), len);
};
test("", 0);
test("abc", 1);
test("\\", 1);
test("\\\\", 2);
test("\\#", 2);
test("\\n10", 2);
test("\\r\\n", 2);
test("\\x05abc", 4);
test("\\u11117777", 6);
test("\\u123yyy", 2);
test("\\U11117777cccc", 10);
test("\\U111yyy", 2);
test("\\0\\1", 2);
test("\\01\\1", 3);
test("\\012\\1", 4);
test("\\0123\\1", 4);
test("\\4\\1", 2);
test("\\40\\1", 3);
test("\\400\\1", 3);
test("\\4xxx", 2);
}
Y_UNIT_TEST(TestUnbounded) {
char buf[100000];
for (const auto& x : CommonTestData) {
char* end = UnescapeC(x.Expected.data(), x.Expected.size(), buf);
UNIT_ASSERT_VALUES_EQUAL(x.Source, TStringBuf(buf, end));
}
}
Y_UNIT_TEST(TestCapitalUEscapes) {
UNIT_ASSERT_VALUES_EQUAL(UnescapeC("\\U00000020"), " ");
UNIT_ASSERT_VALUES_EQUAL(UnescapeC("\\Uxxx"), "Uxxx");
}
}
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