1 //===- unittests/Support/ConvertEBCDICTest.cpp - EBCDIC/UTF8 conversion tests
2 //-===//
3 //
4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
5 // See https://llvm.org/LICENSE.txt for license information.
6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //
8 //===--------------------------------------------------------------------------===//
9
10 #include "llvm/Support/ConvertEBCDIC.h"
11 #include "llvm/ADT/SmallString.h"
12 #include "gtest/gtest.h"
13 using namespace llvm;
14
15 namespace {
16
17 // String "Hello World!"
18 static const char HelloA[] =
19 "\x48\x65\x6C\x6C\x6F\x20\x57\x6F\x72\x6C\x64\x21\x0a";
20 static const char HelloE[] =
21 "\xC8\x85\x93\x93\x96\x40\xE6\x96\x99\x93\x84\x5A\x15";
22
23 // String "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
24 static const char ABCStrA[] =
25 "\x41\x42\x43\x44\x45\x46\x47\x48\x49\x4A\x4B\x4C\x4D\x4E\x4F\x50\x51\x52"
26 "\x53\x54\x55\x56\x57\x58\x59\x5A\x61\x62\x63\x64\x65\x66\x67\x68\x69\x6A"
27 "\x6B\x6C\x6D\x6E\x6F\x70\x71\x72\x73\x74\x75\x76\x77\x78\x79\x7A";
28 static const char ABCStrE[] =
29 "\xC1\xC2\xC3\xC4\xC5\xC6\xC7\xC8\xC9\xD1\xD2\xD3\xD4\xD5\xD6\xD7\xD8\xD9"
30 "\xE2\xE3\xE4\xE5\xE6\xE7\xE8\xE9\x81\x82\x83\x84\x85\x86\x87\x88\x89\x91"
31 "\x92\x93\x94\x95\x96\x97\x98\x99\xA2\xA3\xA4\xA5\xA6\xA7\xA8\xA9";
32
33 // String "¡¢£AÄÅÆEÈÉÊaàáâãäeèéêë"
34 static const char AccentUTF[] =
35 "\xc2\xa1\xc2\xa2\xc2\xa3\x41\xc3\x84\xc3\x85\xc3\x86\x45\xc3\x88\xc3\x89"
36 "\xc3\x8a\x61\xc3\xa0\xc3\xa1\xc3\xa2\xc3\xa3\xc3\xa4\x65\xc3\xa8\xc3\xa9"
37 "\xc3\xaa\xc3\xab";
38 static const char AccentE[] = "\xaa\x4a\xb1\xc1\x63\x67\x9e\xc5\x74\x71\x72"
39 "\x81\x44\x45\x42\x46\x43\x85\x54\x51\x52\x53";
40
41 // String with Cyrillic character ya.
42 static const char CyrillicUTF[] = "\xd0\xaf";
43
TEST(CharSet,FromUTF8)44 TEST(CharSet, FromUTF8) {
45 // Hello string.
46 StringRef Src(HelloA);
47 SmallString<64> Dst;
48
49 std::error_code EC = ConverterEBCDIC::convertToEBCDIC(Src, Dst);
50 EXPECT_TRUE(!EC);
51 EXPECT_STREQ(HelloE, static_cast<std::string>(Dst).c_str());
52 Dst.clear();
53
54 // ABC string.
55 Src = ABCStrA;
56 EC = ConverterEBCDIC::convertToEBCDIC(Src, Dst);
57 EXPECT_TRUE(!EC);
58 EXPECT_STREQ(ABCStrE, static_cast<std::string>(Dst).c_str());
59 Dst.clear();
60
61 // Accent string.
62 Src = AccentUTF;
63 EC = ConverterEBCDIC::convertToEBCDIC(Src, Dst);
64 EXPECT_TRUE(!EC);
65 EXPECT_STREQ(AccentE, static_cast<std::string>(Dst).c_str());
66 Dst.clear();
67
68 // Cyrillic string. Results in error because not representable in 1047.
69 Src = CyrillicUTF;
70 EC = ConverterEBCDIC::convertToEBCDIC(Src, Dst);
71 EXPECT_EQ(EC, std::errc::illegal_byte_sequence);
72 Dst.clear();
73 }
74
TEST(CharSet,ToUTF8)75 TEST(CharSet, ToUTF8) {
76 // Hello string.
77 StringRef Src(HelloE);
78 SmallString<64> Dst;
79
80 ConverterEBCDIC::convertToUTF8(Src, Dst);
81 EXPECT_STREQ(HelloA, static_cast<std::string>(Dst).c_str());
82 Dst.clear();
83
84 // ABC string.
85 Src = ABCStrE;
86 ConverterEBCDIC::convertToUTF8(Src, Dst);
87 EXPECT_STREQ(ABCStrA, static_cast<std::string>(Dst).c_str());
88 Dst.clear();
89
90 // Accent string.
91 Src = AccentE;
92 ConverterEBCDIC::convertToUTF8(Src, Dst);
93 EXPECT_STREQ(AccentUTF, static_cast<std::string>(Dst).c_str());
94 Dst.clear();
95 }
96
97 } // namespace
98