1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
//===- unittest/ProfileData/CoverageMappingTest.cpp -------------------------=//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ProfileData/CoverageMapping.h"
#include "llvm/ProfileData/CoverageMappingReader.h"
#include "llvm/ProfileData/CoverageMappingWriter.h"
#include "llvm/Support/raw_ostream.h"
#include "gtest/gtest.h"
#include <sstream>
using namespace llvm;
using namespace coverage;
namespace llvm {
namespace coverage {
void PrintTo(const Counter &C, ::std::ostream *os) {
if (C.isZero())
*os << "Zero";
else if (C.isExpression())
*os << "Expression " << C.getExpressionID();
else
*os << "Counter " << C.getCounterID();
}
}
}
namespace {
struct CoverageMappingTest : ::testing::Test {
StringMap<unsigned> Files;
unsigned NextFile;
std::vector<CounterMappingRegion> InputCMRs;
std::vector<StringRef> OutputFiles;
std::vector<CounterExpression> OutputExpressions;
std::vector<CounterMappingRegion> OutputCMRs;
void SetUp() override {
NextFile = 0;
}
unsigned getFile(StringRef Name) {
auto R = Files.find(Name);
if (R != Files.end())
return R->second;
Files[Name] = NextFile;
return NextFile++;
}
void addCMR(Counter C, StringRef File, unsigned LS, unsigned CS, unsigned LE,
unsigned CE) {
InputCMRs.push_back(
CounterMappingRegion::makeRegion(C, getFile(File), LS, CS, LE, CE));
}
void addExpansionCMR(StringRef File, StringRef ExpandedFile, unsigned LS,
unsigned CS, unsigned LE, unsigned CE) {
InputCMRs.push_back(CounterMappingRegion::makeExpansion(
getFile(File), getFile(ExpandedFile), LS, CS, LE, CE));
}
std::string writeCoverageRegions() {
SmallVector<unsigned, 8> FileIDs;
for (const auto &E : Files)
FileIDs.push_back(E.getValue());
std::string Coverage;
llvm::raw_string_ostream OS(Coverage);
CoverageMappingWriter(FileIDs, None, InputCMRs).write(OS);
return OS.str();
}
void readCoverageRegions(std::string Coverage) {
SmallVector<StringRef, 8> Filenames;
for (const auto &E : Files)
Filenames.push_back(E.getKey());
RawCoverageMappingReader Reader(Coverage, Filenames, OutputFiles,
OutputExpressions, OutputCMRs);
std::error_code EC = Reader.read();
ASSERT_EQ(instrprof_error::success, EC);
}
};
TEST_F(CoverageMappingTest, basic_write_read) {
addCMR(Counter::getCounter(0), "foo", 1, 1, 1, 1);
addCMR(Counter::getCounter(1), "foo", 2, 1, 2, 2);
addCMR(Counter::getZero(), "foo", 3, 1, 3, 4);
addCMR(Counter::getCounter(2), "foo", 4, 1, 4, 8);
addCMR(Counter::getCounter(3), "bar", 1, 2, 3, 4);
std::string Coverage = writeCoverageRegions();
readCoverageRegions(Coverage);
size_t N = makeArrayRef(InputCMRs).size();
ASSERT_EQ(N, OutputCMRs.size());
for (size_t I = 0; I < N; ++I) {
ASSERT_EQ(InputCMRs[I].Count, OutputCMRs[I].Count);
ASSERT_EQ(InputCMRs[I].FileID, OutputCMRs[I].FileID);
ASSERT_EQ(InputCMRs[I].startLoc(), OutputCMRs[I].startLoc());
ASSERT_EQ(InputCMRs[I].endLoc(), OutputCMRs[I].endLoc());
ASSERT_EQ(InputCMRs[I].Kind, OutputCMRs[I].Kind);
}
}
TEST_F(CoverageMappingTest, expansion_gets_first_counter) {
addCMR(Counter::getCounter(1), "foo", 10, 1, 10, 2);
// This starts earlier in "foo", so the expansion should get its counter.
addCMR(Counter::getCounter(2), "foo", 1, 1, 20, 1);
addExpansionCMR("bar", "foo", 3, 3, 3, 3);
std::string Coverage = writeCoverageRegions();
readCoverageRegions(Coverage);
ASSERT_EQ(CounterMappingRegion::ExpansionRegion, OutputCMRs[2].Kind);
ASSERT_EQ(Counter::getCounter(2), OutputCMRs[2].Count);
ASSERT_EQ(3U, OutputCMRs[2].LineStart);
}
} // end anonymous namespace
|
