1 //===- llvm/unittest/Support/ConvertUTFTest.cpp - ConvertUTF tests --------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/Support/ConvertUTF.h"
11 #include "gtest/gtest.h"
16 TEST(ConvertUTFTest, ConvertUTF16LittleEndianToUTF8String) {
17 // Src is the look of disapproval.
18 static const char Src[] = "\xff\xfe\xa0\x0c_\x00\xa0\x0c";
19 ArrayRef<char> Ref(Src, sizeof(Src) - 1);
21 bool Success = convertUTF16ToUTF8String(Ref, Result);
23 std::string Expected("\xe0\xb2\xa0_\xe0\xb2\xa0");
24 EXPECT_EQ(Expected, Result);
27 TEST(ConvertUTFTest, ConvertUTF16BigEndianToUTF8String) {
28 // Src is the look of disapproval.
29 static const char Src[] = "\xfe\xff\x0c\xa0\x00_\x0c\xa0";
30 ArrayRef<char> Ref(Src, sizeof(Src) - 1);
32 bool Success = convertUTF16ToUTF8String(Ref, Result);
34 std::string Expected("\xe0\xb2\xa0_\xe0\xb2\xa0");
35 EXPECT_EQ(Expected, Result);
38 TEST(ConvertUTFTest, OddLengthInput) {
40 bool Success = convertUTF16ToUTF8String(ArrayRef<char>("xxxxx", 5), Result);
41 EXPECT_FALSE(Success);
44 TEST(ConvertUTFTest, Empty) {
46 bool Success = convertUTF16ToUTF8String(ArrayRef<char>(), Result);
48 EXPECT_TRUE(Result.empty());
51 TEST(ConvertUTFTest, HasUTF16BOM) {
52 bool HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xff\xfe", 2));
54 HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xfe\xff", 2));
56 HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xfe\xff ", 3));
57 EXPECT_TRUE(HasBOM); // Don't care about odd lengths.
58 HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xfe\xff\x00asdf", 6));
61 HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>());
63 HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xfe", 1));