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//===- unittests/Support/ConvertEBCDICTest.cpp - EBCDIC/UTF8 conversion tests
//-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===--------------------------------------------------------------------------===//
#include "llvm/Support/ConvertEBCDIC.h"
#include "llvm/ADT/SmallString.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
// String "Hello World!"
static const char HelloA[] =
"\x48\x65\x6C\x6C\x6F\x20\x57\x6F\x72\x6C\x64\x21\x0a";
static const char HelloE[] =
"\xC8\x85\x93\x93\x96\x40\xE6\x96\x99\x93\x84\x5A\x15";
// String "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
static const char ABCStrA[] =
"\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4A\x4B\x4C\x4D\x4E\x4F\x50\x51\x52"
"\x53\x54\x55\x56\x57\x58\x59\x5A\x61\x62\x63\x64\x65\x66\x67\x68\x69\x6A"
"\x6B\x6C\x6D\x6E\x6F\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7A";
static const char ABCStrE[] =
"\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xD1\xD2\xD3\xD4\xD5\xD6\xD7\xD8\xD9"
"\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\x81\x82\x83\x84\x85\x86\x87\x88\x89\x91"
"\x92\x93\x94\x95\x96\x97\x98\x99\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9";
// String "¡¢£AÄÅÆEÈÉÊaàáâãäeèéêë"
static const char AccentUTF[] =
"\xc2\xa1\xc2\xa2\xc2\xa3\x41\xc3\x84\xc3\x85\xc3\x86\x45\xc3\x88\xc3\x89"
"\xc3\x8a\x61\xc3\xa0\xc3\xa1\xc3\xa2\xc3\xa3\xc3\xa4\x65\xc3\xa8\xc3\xa9"
"\xc3\xaa\xc3\xab";
static const char AccentE[] = "\xaa\x4a\xb1\xc1\x63\x67\x9e\xc5\x74\x71\x72"
"\x81\x44\x45\x42\x46\x43\x85\x54\x51\x52\x53";
// String with Cyrillic character ya.
static const char CyrillicUTF[] = "\xd0\xaf";
TEST(ConverterEBCDIC, convertToEBCDIC) {
// Hello string.
StringRef Src(HelloA);
SmallString<64> Dst;
std::error_code EC = ConverterEBCDIC::convertToEBCDIC(Src, Dst);
EXPECT_TRUE(!EC);
EXPECT_STREQ(HelloE, static_cast<std::string>(Dst).c_str());
Dst.clear();
// ABC string.
Src = ABCStrA;
EC = ConverterEBCDIC::convertToEBCDIC(Src, Dst);
EXPECT_TRUE(!EC);
EXPECT_STREQ(ABCStrE, static_cast<std::string>(Dst).c_str());
Dst.clear();
// Accent string.
Src = AccentUTF;
EC = ConverterEBCDIC::convertToEBCDIC(Src, Dst);
EXPECT_TRUE(!EC);
EXPECT_STREQ(AccentE, static_cast<std::string>(Dst).c_str());
Dst.clear();
// Cyrillic string. Results in error because not representable in 1047.
Src = CyrillicUTF;
EC = ConverterEBCDIC::convertToEBCDIC(Src, Dst);
EXPECT_EQ(EC, std::errc::illegal_byte_sequence);
Dst.clear();
}
TEST(ConverterEBCDIC, convertFromEBCDIC) {
// Hello string.
StringRef Src(HelloE);
SmallString<64> Dst;
ConverterEBCDIC::convertToUTF8(Src, Dst);
EXPECT_STREQ(HelloA, static_cast<std::string>(Dst).c_str());
Dst.clear();
// ABC string.
Src = ABCStrE;
ConverterEBCDIC::convertToUTF8(Src, Dst);
EXPECT_STREQ(ABCStrA, static_cast<std::string>(Dst).c_str());
Dst.clear();
// Accent string.
Src = AccentE;
ConverterEBCDIC::convertToUTF8(Src, Dst);
EXPECT_STREQ(AccentUTF, static_cast<std::string>(Dst).c_str());
Dst.clear();
}
} // namespace
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