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
|
#include "gtest/gtest.h"
#include "clang/Basic/SourceLocation.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/FileManager.h"
#include "clang/Analysis/Analyses/UnsafeBufferUsage.h"
using namespace clang;
namespace {
// The test fixture.
class UnsafeBufferUsageTest : public ::testing::Test {
protected:
UnsafeBufferUsageTest()
: FileMgr(FileMgrOpts),
Diags(DiagnosticIDs::create(), DiagOpts, new IgnoringDiagConsumer()),
SourceMgr(Diags, FileMgr) {}
FileSystemOptions FileMgrOpts;
FileManager FileMgr;
DiagnosticOptions DiagOpts;
DiagnosticsEngine Diags;
SourceManager SourceMgr;
};
} // namespace
TEST_F(UnsafeBufferUsageTest, FixItHintsConflict) {
FileEntryRef DummyFile = FileMgr.getVirtualFileRef("<virtual>", 100, 0);
FileID DummyFileID = SourceMgr.getOrCreateFileID(DummyFile, SrcMgr::C_User);
SourceLocation StartLoc = SourceMgr.getLocForStartOfFile(DummyFileID);
#define MkDummyHint(Begin, End) \
FixItHint::CreateReplacement(SourceRange(StartLoc.getLocWithOffset((Begin)), \
StartLoc.getLocWithOffset((End))), \
"dummy")
FixItHint H1 = MkDummyHint(0, 5);
FixItHint H2 = MkDummyHint(6, 10);
FixItHint H3 = MkDummyHint(20, 25);
llvm::SmallVector<FixItHint> Fixes;
// Test non-overlapping fix-its:
Fixes = {H1, H2, H3};
EXPECT_FALSE(internal::anyConflict(Fixes, SourceMgr));
Fixes = {H3, H2, H1}; // re-order
EXPECT_FALSE(internal::anyConflict(Fixes, SourceMgr));
// Test overlapping fix-its:
Fixes = {H1, H2, H3, MkDummyHint(0, 4) /* included in H1 */};
EXPECT_TRUE(internal::anyConflict(Fixes, SourceMgr));
Fixes = {H1, H2, H3, MkDummyHint(10, 15) /* overlaps H2 */};
EXPECT_TRUE(internal::anyConflict(Fixes, SourceMgr));
Fixes = {H1, H2, H3, MkDummyHint(7, 23) /* overlaps H2, H3 */};
EXPECT_TRUE(internal::anyConflict(Fixes, SourceMgr));
Fixes = {H1, H2, H3, MkDummyHint(2, 23) /* overlaps H1, H2, and H3 */};
EXPECT_TRUE(internal::anyConflict(Fixes, SourceMgr));
}
|
