| //===- llvm/unittest/Support/ConvertUTFTest.cpp - ConvertUTF tests --------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "llvm/Support/ConvertUTF.h" |
| #include "gtest/gtest.h" |
| #include <string> |
| |
| using namespace llvm; |
| |
| TEST(ConvertUTFTest, ConvertUTF16LittleEndianToUTF8String) { |
| // Src is the look of disapproval. |
| static const char Src[] = "\xff\xfe\xa0\x0c_\x00\xa0\x0c"; |
| ArrayRef<char> Ref(Src, sizeof(Src) - 1); |
| std::string Result; |
| bool Success = convertUTF16ToUTF8String(Ref, Result); |
| EXPECT_TRUE(Success); |
| std::string Expected("\xe0\xb2\xa0_\xe0\xb2\xa0"); |
| EXPECT_EQ(Expected, Result); |
| } |
| |
| TEST(ConvertUTFTest, ConvertUTF16BigEndianToUTF8String) { |
| // Src is the look of disapproval. |
| static const char Src[] = "\xfe\xff\x0c\xa0\x00_\x0c\xa0"; |
| ArrayRef<char> Ref(Src, sizeof(Src) - 1); |
| std::string Result; |
| bool Success = convertUTF16ToUTF8String(Ref, Result); |
| EXPECT_TRUE(Success); |
| std::string Expected("\xe0\xb2\xa0_\xe0\xb2\xa0"); |
| EXPECT_EQ(Expected, Result); |
| } |
| |
| TEST(ConvertUTFTest, OddLengthInput) { |
| std::string Result; |
| bool Success = convertUTF16ToUTF8String(ArrayRef<char>("xxxxx", 5), Result); |
| EXPECT_FALSE(Success); |
| } |
| |
| TEST(ConvertUTFTest, Empty) { |
| std::string Result; |
| bool Success = convertUTF16ToUTF8String(ArrayRef<char>(), Result); |
| EXPECT_TRUE(Success); |
| EXPECT_TRUE(Result.empty()); |
| } |
| |
| TEST(ConvertUTFTest, HasUTF16BOM) { |
| bool HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xff\xfe", 2)); |
| EXPECT_TRUE(HasBOM); |
| HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xfe\xff", 2)); |
| EXPECT_TRUE(HasBOM); |
| HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xfe\xff ", 3)); |
| EXPECT_TRUE(HasBOM); // Don't care about odd lengths. |
| HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xfe\xff\x00asdf", 6)); |
| EXPECT_TRUE(HasBOM); |
| |
| HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>()); |
| EXPECT_FALSE(HasBOM); |
| HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xfe", 1)); |
| EXPECT_FALSE(HasBOM); |
| } |