forked from OSchip/llvm-project
66 lines
2.1 KiB
C++
66 lines
2.1 KiB
C++
//===- 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);
|
|
}
|