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1 //===- llvm/unittest/IR/DebugInfo.cpp - DebugInfo 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/IR/DebugInfo.h"
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11 #include "gtest/gtest.h"
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12
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13 using namespace llvm;
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14
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15 namespace llvm {
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16
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17 static void PrintTo(const StringRef &S, ::std::ostream *os) {
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18 *os << "(" << (const void *)S.data() << "," << S.size() << ") = '";
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19 for (auto C : S)
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20 if (C)
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21 *os << C;
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22 else
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23 *os << "\\00";
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24 *os << "'";
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25 }
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26 static void PrintTo(const DIHeaderFieldIterator &I, ::std::ostream *os) {
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27 PrintTo(I.getCurrent(), os);
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28 *os << " in ";
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29 PrintTo(I.getHeader(), os);
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30 }
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31
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32 } // end namespace llvm
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33
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34 namespace {
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35
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36 #define MAKE_FIELD_ITERATOR(S) \
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37 DIHeaderFieldIterator(StringRef(S, sizeof(S) - 1))
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38 TEST(DebugInfoTest, DIHeaderFieldIterator) {
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39 ASSERT_EQ(DIHeaderFieldIterator(), DIHeaderFieldIterator());
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40
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41 ASSERT_NE(DIHeaderFieldIterator(), MAKE_FIELD_ITERATOR(""));
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42 ASSERT_EQ(DIHeaderFieldIterator(), ++MAKE_FIELD_ITERATOR(""));
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43 ASSERT_EQ("", *DIHeaderFieldIterator(""));
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44
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45 ASSERT_NE(DIHeaderFieldIterator(), MAKE_FIELD_ITERATOR("stuff"));
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46 ASSERT_EQ(DIHeaderFieldIterator(), ++MAKE_FIELD_ITERATOR("stuff"));
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47 ASSERT_EQ("stuff", *DIHeaderFieldIterator("stuff"));
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48
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49 ASSERT_NE(DIHeaderFieldIterator(), MAKE_FIELD_ITERATOR("st\0uff"));
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50 ASSERT_NE(DIHeaderFieldIterator(), ++MAKE_FIELD_ITERATOR("st\0uff"));
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51 ASSERT_EQ(DIHeaderFieldIterator(), ++++MAKE_FIELD_ITERATOR("st\0uff"));
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52 ASSERT_EQ("st", *MAKE_FIELD_ITERATOR("st\0uff"));
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53 ASSERT_EQ("uff", *++MAKE_FIELD_ITERATOR("st\0uff"));
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54
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55 ASSERT_NE(DIHeaderFieldIterator(), MAKE_FIELD_ITERATOR("stuff\0"));
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56 ASSERT_NE(DIHeaderFieldIterator(), ++MAKE_FIELD_ITERATOR("stuff\0"));
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57 ASSERT_EQ(DIHeaderFieldIterator(), ++++MAKE_FIELD_ITERATOR("stuff\0"));
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58 ASSERT_EQ("stuff", *MAKE_FIELD_ITERATOR("stuff\0"));
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59 ASSERT_EQ("", *++MAKE_FIELD_ITERATOR("stuff\0"));
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60
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61 ASSERT_NE(DIHeaderFieldIterator(), MAKE_FIELD_ITERATOR("\0stuff"));
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62 ASSERT_NE(DIHeaderFieldIterator(), ++MAKE_FIELD_ITERATOR("\0stuff"));
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63 ASSERT_EQ(DIHeaderFieldIterator(), ++++MAKE_FIELD_ITERATOR("\0stuff"));
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64 ASSERT_EQ("", *MAKE_FIELD_ITERATOR("\0stuff"));
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65 ASSERT_EQ("stuff", *++MAKE_FIELD_ITERATOR("\0stuff"));
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66 }
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67
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68 } // end namespace
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