1 //===- llvm/unittest/IR/DebugInfo.cpp - DebugInfo tests -------------------===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "llvm/IR/DebugInfo.h"
11 #include "gtest/gtest.h"
12
13 using namespace llvm;
14
15 namespace llvm {
16
PrintTo(const StringRef & S,::std::ostream * os)17 static void PrintTo(const StringRef &S, ::std::ostream *os) {
18 *os << "(" << (const void *)S.data() << "," << S.size() << ") = '";
19 for (auto C : S)
20 if (C)
21 *os << C;
22 else
23 *os << "\\00";
24 *os << "'";
25 }
PrintTo(const DIHeaderFieldIterator & I,::std::ostream * os)26 static void PrintTo(const DIHeaderFieldIterator &I, ::std::ostream *os) {
27 PrintTo(I.getCurrent(), os);
28 *os << " in ";
29 PrintTo(I.getHeader(), os);
30 }
31
32 } // end namespace llvm
33
34 namespace {
35
36 #define MAKE_FIELD_ITERATOR(S) \
37 DIHeaderFieldIterator(StringRef(S, sizeof(S) - 1))
TEST(DebugInfoTest,DIHeaderFieldIterator)38 TEST(DebugInfoTest, DIHeaderFieldIterator) {
39 ASSERT_EQ(DIHeaderFieldIterator(), DIHeaderFieldIterator());
40
41 ASSERT_NE(DIHeaderFieldIterator(), MAKE_FIELD_ITERATOR(""));
42 ASSERT_EQ(DIHeaderFieldIterator(), ++MAKE_FIELD_ITERATOR(""));
43 ASSERT_EQ("", *DIHeaderFieldIterator(""));
44
45 ASSERT_NE(DIHeaderFieldIterator(), MAKE_FIELD_ITERATOR("stuff"));
46 ASSERT_EQ(DIHeaderFieldIterator(), ++MAKE_FIELD_ITERATOR("stuff"));
47 ASSERT_EQ("stuff", *DIHeaderFieldIterator("stuff"));
48
49 ASSERT_NE(DIHeaderFieldIterator(), MAKE_FIELD_ITERATOR("st\0uff"));
50 ASSERT_NE(DIHeaderFieldIterator(), ++MAKE_FIELD_ITERATOR("st\0uff"));
51 ASSERT_EQ(DIHeaderFieldIterator(), ++++MAKE_FIELD_ITERATOR("st\0uff"));
52 ASSERT_EQ("st", *MAKE_FIELD_ITERATOR("st\0uff"));
53 ASSERT_EQ("uff", *++MAKE_FIELD_ITERATOR("st\0uff"));
54
55 ASSERT_NE(DIHeaderFieldIterator(), MAKE_FIELD_ITERATOR("stuff\0"));
56 ASSERT_NE(DIHeaderFieldIterator(), ++MAKE_FIELD_ITERATOR("stuff\0"));
57 ASSERT_EQ(DIHeaderFieldIterator(), ++++MAKE_FIELD_ITERATOR("stuff\0"));
58 ASSERT_EQ("stuff", *MAKE_FIELD_ITERATOR("stuff\0"));
59 ASSERT_EQ("", *++MAKE_FIELD_ITERATOR("stuff\0"));
60
61 ASSERT_NE(DIHeaderFieldIterator(), MAKE_FIELD_ITERATOR("\0stuff"));
62 ASSERT_NE(DIHeaderFieldIterator(), ++MAKE_FIELD_ITERATOR("\0stuff"));
63 ASSERT_EQ(DIHeaderFieldIterator(), ++++MAKE_FIELD_ITERATOR("\0stuff"));
64 ASSERT_EQ("", *MAKE_FIELD_ITERATOR("\0stuff"));
65 ASSERT_EQ("stuff", *++MAKE_FIELD_ITERATOR("\0stuff"));
66 }
67
68 } // end namespace
69