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
|
//===- unittests/Basic/LineOffsetMappingTest.cpp - Test LineOffsetMapping -===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "clang/Basic/SourceManager.h"
#include "gtest/gtest.h"
using namespace clang;
using namespace clang::SrcMgr;
using namespace llvm;
namespace {
TEST(LineOffsetMappingTest, empty) {
LineOffsetMapping Mapping;
EXPECT_FALSE(Mapping);
#if !defined(NDEBUG) && GTEST_HAS_DEATH_TEST
EXPECT_DEATH((void)Mapping.getLines(), "Storage");
#endif
}
TEST(LineOffsetMappingTest, construct) {
BumpPtrAllocator Alloc;
unsigned Offsets[] = {0, 10, 20};
LineOffsetMapping Mapping(Offsets, Alloc);
EXPECT_EQ(3u, Mapping.size());
EXPECT_EQ(0u, Mapping[0]);
EXPECT_EQ(10u, Mapping[1]);
EXPECT_EQ(20u, Mapping[2]);
#if !defined(NDEBUG) && GTEST_HAS_DEATH_TEST
EXPECT_DEATH((void)Mapping[3], "Invalid index");
#endif
}
TEST(LineOffsetMappingTest, constructTwo) {
// Confirm allocation size is big enough, convering an off-by-one bug.
BumpPtrAllocator Alloc;
unsigned Offsets1[] = {0, 10};
unsigned Offsets2[] = {0, 20};
LineOffsetMapping Mapping1(Offsets1, Alloc);
LineOffsetMapping Mapping2(Offsets2, Alloc);
// Need to check Mapping1 *after* building Mapping2.
EXPECT_EQ(2u, Mapping1.size());
EXPECT_EQ(0u, Mapping1[0]);
EXPECT_EQ(10u, Mapping1[1]);
EXPECT_EQ(2u, Mapping2.size());
EXPECT_EQ(0u, Mapping2[0]);
EXPECT_EQ(20u, Mapping2[1]);
}
TEST(LineOffsetMappingTest, get) {
BumpPtrAllocator Alloc;
StringRef Source = "first line\n"
"second line\n";
auto Mapping = LineOffsetMapping::get(MemoryBufferRef(Source, ""), Alloc);
EXPECT_EQ(3u, Mapping.size());
EXPECT_EQ(0u, Mapping[0]);
EXPECT_EQ(11u, Mapping[1]);
EXPECT_EQ(23u, Mapping[2]);
}
TEST(LineOffsetMappingTest, getMissingFinalNewline) {
BumpPtrAllocator Alloc;
StringRef Source = "first line\n"
"second line";
auto Mapping = LineOffsetMapping::get(MemoryBufferRef(Source, ""), Alloc);
EXPECT_EQ(2u, Mapping.size());
EXPECT_EQ(0u, Mapping[0]);
EXPECT_EQ(11u, Mapping[1]);
}
} // end namespace
|
