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annotate unittests/Support/ConvertUTFTest.cpp @ 56:bdef5c940791

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copy the previous function's return type to return value
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 23 Jan 2014 23:14:57 +0900
parents 95c75e76d11b
children 54457678186b
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1 //===- llvm/unittest/Support/ConvertUTFTest.cpp - ConvertUTF tests --------===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9
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10 #include "llvm/Support/ConvertUTF.h"
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11 #include "gtest/gtest.h"
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12 #include <string>
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13
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14 using namespace llvm;
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15
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16 TEST(ConvertUTFTest, ConvertUTF16LittleEndianToUTF8String) {
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17 // Src is the look of disapproval.
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18 static const char Src[] = "\xff\xfe\xa0\x0c_\x00\xa0\x0c";
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19 ArrayRef<char> Ref(Src, sizeof(Src) - 1);
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20 std::string Result;
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21 bool Success = convertUTF16ToUTF8String(Ref, Result);
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22 EXPECT_TRUE(Success);
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23 std::string Expected("\xe0\xb2\xa0_\xe0\xb2\xa0");
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24 EXPECT_EQ(Expected, Result);
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25 }
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26
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27 TEST(ConvertUTFTest, ConvertUTF16BigEndianToUTF8String) {
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28 // Src is the look of disapproval.
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29 static const char Src[] = "\xfe\xff\x0c\xa0\x00_\x0c\xa0";
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30 ArrayRef<char> Ref(Src, sizeof(Src) - 1);
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31 std::string Result;
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32 bool Success = convertUTF16ToUTF8String(Ref, Result);
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33 EXPECT_TRUE(Success);
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34 std::string Expected("\xe0\xb2\xa0_\xe0\xb2\xa0");
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35 EXPECT_EQ(Expected, Result);
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36 }
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37
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38 TEST(ConvertUTFTest, OddLengthInput) {
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39 std::string Result;
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40 bool Success = convertUTF16ToUTF8String(ArrayRef<char>("xxxxx", 5), Result);
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41 EXPECT_FALSE(Success);
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42 }
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43
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44 TEST(ConvertUTFTest, Empty) {
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45 std::string Result;
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46 bool Success = convertUTF16ToUTF8String(ArrayRef<char>(), Result);
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47 EXPECT_TRUE(Success);
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48 EXPECT_TRUE(Result.empty());
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49 }
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50
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51 TEST(ConvertUTFTest, HasUTF16BOM) {
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52 bool HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xff\xfe", 2));
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53 EXPECT_TRUE(HasBOM);
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54 HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xfe\xff", 2));
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55 EXPECT_TRUE(HasBOM);
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56 HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xfe\xff ", 3));
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57 EXPECT_TRUE(HasBOM); // Don't care about odd lengths.
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58 HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xfe\xff\x00asdf", 6));
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59 EXPECT_TRUE(HasBOM);
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60
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61 HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>());
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62 EXPECT_FALSE(HasBOM);
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63 HasBOM = hasUTF16ByteOrderMark(ArrayRef<char>("\xfe", 1));
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64 EXPECT_FALSE(HasBOM);
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65 }