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
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
|
//===- cpp11-migrate/FileOverridesTest.cpp - File overrides unit tests ----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "Core/FileOverrides.h"
#include "gtest/gtest.h"
#include "VirtualFileHelper.h"
using namespace clang;
using namespace clang::tooling;
TEST(SourceOverridesTest, Interface) {
llvm::StringRef FileName = "<test-file>";
VirtualFileHelper VFHelper;
VFHelper.mapFile(
FileName,
"std::vector<such_a_long_name_for_a_type>::const_iterator long_type =\n"
" vec.begin();\n");
SourceOverrides Overrides(FileName, /*TrackFileChanges=*/false);
EXPECT_EQ(FileName, Overrides.getMainFileName());
EXPECT_FALSE(Overrides.isSourceOverriden());
EXPECT_FALSE(Overrides.isTrackingFileChanges());
Replacements Replaces;
unsigned ReplacementLength =
strlen("std::vector<such_a_long_name_for_a_type>::const_iterator");
Replaces.insert(Replacement(FileName, 0, ReplacementLength, "auto"));
Overrides.applyReplacements(Replaces, VFHelper.getNewSourceManager());
EXPECT_TRUE(Overrides.isSourceOverriden());
std::string ExpectedContent = "auto long_type =\n"
" vec.begin();\n";
EXPECT_EQ(ExpectedContent, Overrides.getMainFileContent());
}
namespace {
Replacement makeReplacement(unsigned Offset, unsigned Length,
unsigned ReplacementLength) {
return Replacement("", Offset, Length, std::string(ReplacementLength, '~'));
}
// generate a set of replacements containing one element
Replacements makeReplacements(unsigned Offset, unsigned Length,
unsigned ReplacementLength) {
Replacements Replaces;
Replaces.insert(makeReplacement(Offset, Length, ReplacementLength));
return Replaces;
}
bool equalRanges(Range A, Range B) {
return A.getOffset() == B.getOffset() && A.getLength() == B.getLength();
}
} // end anonymous namespace
TEST(ChangedRangesTest, adjustChangedRangesShrink) {
ChangedRanges Changes;
Changes.adjustChangedRanges(makeReplacements(0, 0, 4));
EXPECT_NE(Changes.begin(), Changes.end());
EXPECT_TRUE(equalRanges(Range(0, 4), *Changes.begin()));
// create a replacement that cuts the end of the last insertion
Changes.adjustChangedRanges(makeReplacements(2, 4, 0));
Range ExpectedChanges[] = { Range(0, 2) };
EXPECT_TRUE(
std::equal(Changes.begin(), Changes.end(), ExpectedChanges, equalRanges));
}
TEST(ChangedRangesTest, adjustChangedRangesExtend) {
ChangedRanges Changes;
Changes.adjustChangedRanges(makeReplacements(1, 0, 4));
// cut the old one by a bigger one
Changes.adjustChangedRanges(makeReplacements(3, 4, 6));
Range ExpectedChanges[] = { Range(1, 8) };
EXPECT_TRUE(
std::equal(Changes.begin(), Changes.end(), ExpectedChanges, equalRanges));
}
TEST(ChangedRangesTest, adjustChangedRangesNoOverlap) {
ChangedRanges Changes;
Changes.adjustChangedRanges(makeReplacements(0, 0, 4));
Changes.adjustChangedRanges(makeReplacements(6, 0, 4));
Range ExpectedChanges[] = { Range(0, 4), Range(6, 4) };
EXPECT_TRUE(
std::equal(Changes.begin(), Changes.end(), ExpectedChanges, equalRanges));
}
TEST(ChangedRangesTest, adjustChangedRangesNullRange) {
ChangedRanges Changes;
Changes.adjustChangedRanges(makeReplacements(0, 4, 0));
Range ExpectedChanges[] = { Range(0, 0) };
EXPECT_TRUE(
std::equal(Changes.begin(), Changes.end(), ExpectedChanges, equalRanges));
}
TEST(ChangedRangesTest, adjustChangedRangesExtendExisting) {
ChangedRanges Changes;
Changes.adjustChangedRanges(makeReplacements(0, 0, 3));
Changes.adjustChangedRanges(makeReplacements(2, 5, 8));
Range ExpectedChanges[] = { Range(0, 10) };
EXPECT_TRUE(
std::equal(Changes.begin(), Changes.end(), ExpectedChanges, equalRanges));
}
TEST(ChangedRangesTest, adjustChangedRangesSplit) {
ChangedRanges Changes;
Changes.adjustChangedRanges(makeReplacements(0, 0, 3));
Changes.adjustChangedRanges(makeReplacements(1, 1, 0));
Range ExpectedChanges[] = { Range(0, 2) };
EXPECT_TRUE(
std::equal(Changes.begin(), Changes.end(), ExpectedChanges, equalRanges));
}
TEST(ChangedRangesTest, adjustChangedRangesRangeContained) {
ChangedRanges Changes;
Changes.adjustChangedRanges(makeReplacements(3, 0, 2));
Changes.adjustChangedRanges(makeReplacements(1, 4, 5));
Range ExpectedChanges[] = { Range(1, 5) };
EXPECT_TRUE(
std::equal(Changes.begin(), Changes.end(), ExpectedChanges, equalRanges));
}
TEST(ChangedRangesTest, adjustChangedRangesRangeResized) {
ChangedRanges Changes;
Changes.adjustChangedRanges(makeReplacements(2, 0, 5));
// first make the range bigger
Changes.adjustChangedRanges(makeReplacements(4, 1, 3));
Range ExpectedChanges[] = { Range(2, 7) };
EXPECT_TRUE(
std::equal(Changes.begin(), Changes.end(), ExpectedChanges, equalRanges));
// then smaller
Changes.adjustChangedRanges(makeReplacements(3, 3, 1));
ExpectedChanges[0] = Range(2, 5);
EXPECT_TRUE(
std::equal(Changes.begin(), Changes.end(), ExpectedChanges, equalRanges));
}
|
