summaryrefslogtreecommitdiffstats
path: root/ninja/src/includes_normalize_test.cc
blob: eac36fd2d792d4ac66e0240272be0f94166e0449 (plain)
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
// Copyright 2012 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#include "includes_normalize.h"

#include <algorithm>

#include <direct.h>

#include "string_piece_util.h"
#include "test.h"
#include "util.h"

namespace {

string GetCurDir() {
  char buf[_MAX_PATH];
  _getcwd(buf, sizeof(buf));
  vector<StringPiece> parts = SplitStringPiece(buf, '\\');
  return parts[parts.size() - 1].AsString();
}

string NormalizeAndCheckNoError(const string& input) {
  string result, err;
  IncludesNormalize normalizer(".");
  EXPECT_TRUE(normalizer.Normalize(input, &result, &err));
  EXPECT_EQ("", err);
  return result;
}

string NormalizeRelativeAndCheckNoError(const string& input,
                                        const string& relative_to) {
  string result, err;
  IncludesNormalize normalizer(relative_to);
  EXPECT_TRUE(normalizer.Normalize(input, &result, &err));
  EXPECT_EQ("", err);
  return result;
}

}  // namespace

TEST(IncludesNormalize, Simple) {
  EXPECT_EQ("b", NormalizeAndCheckNoError("a\\..\\b"));
  EXPECT_EQ("b", NormalizeAndCheckNoError("a\\../b"));
  EXPECT_EQ("a/b", NormalizeAndCheckNoError("a\\.\\b"));
  EXPECT_EQ("a/b", NormalizeAndCheckNoError("a\\./b"));
}

TEST(IncludesNormalize, WithRelative) {
  string currentdir = GetCurDir();
  EXPECT_EQ("c", NormalizeRelativeAndCheckNoError("a/b/c", "a/b"));
  EXPECT_EQ("a", NormalizeAndCheckNoError(IncludesNormalize::AbsPath("a")));
  EXPECT_EQ(string("../") + currentdir + string("/a"),
            NormalizeRelativeAndCheckNoError("a", "../b"));
  EXPECT_EQ(string("../") + currentdir + string("/a/b"),
            NormalizeRelativeAndCheckNoError("a/b", "../c"));
  EXPECT_EQ("../../a", NormalizeRelativeAndCheckNoError("a", "b/c"));
  EXPECT_EQ(".", NormalizeRelativeAndCheckNoError("a", "a"));
}

TEST(IncludesNormalize, Case) {
  EXPECT_EQ("b", NormalizeAndCheckNoError("Abc\\..\\b"));
  EXPECT_EQ("BdEf", NormalizeAndCheckNoError("Abc\\..\\BdEf"));
  EXPECT_EQ("A/b", NormalizeAndCheckNoError("A\\.\\b"));
  EXPECT_EQ("a/b", NormalizeAndCheckNoError("a\\./b"));
  EXPECT_EQ("A/B", NormalizeAndCheckNoError("A\\.\\B"));
  EXPECT_EQ("A/B", NormalizeAndCheckNoError("A\\./B"));
}

TEST(IncludesNormalize, DifferentDrive) {
  EXPECT_EQ("stuff.h",
            NormalizeRelativeAndCheckNoError("p:\\vs08\\stuff.h", "p:\\vs08"));
  EXPECT_EQ("stuff.h",
            NormalizeRelativeAndCheckNoError("P:\\Vs08\\stuff.h", "p:\\vs08"));
  EXPECT_EQ("p:/vs08/stuff.h",
            NormalizeRelativeAndCheckNoError("p:\\vs08\\stuff.h", "c:\\vs08"));
  EXPECT_EQ("P:/vs08/stufF.h", NormalizeRelativeAndCheckNoError(
                                   "P:\\vs08\\stufF.h", "D:\\stuff/things"));
  EXPECT_EQ("P:/vs08/stuff.h", NormalizeRelativeAndCheckNoError(
                                   "P:/vs08\\stuff.h", "D:\\stuff/things"));
  EXPECT_EQ("P:/wee/stuff.h",
            NormalizeRelativeAndCheckNoError("P:/vs08\\../wee\\stuff.h",
                                             "D:\\stuff/things"));
}

TEST(IncludesNormalize, LongInvalidPath) {
  const char kLongInputString[] =
      "C:\\Program Files (x86)\\Microsoft Visual Studio "
      "12.0\\VC\\INCLUDEwarning #31001: The dll for reading and writing the "
      "pdb (for example, mspdb110.dll) could not be found on your path. This "
      "is usually a configuration error. Compilation will continue using /Z7 "
      "instead of /Zi, but expect a similar error when you link your program.";
  // Too long, won't be canonicalized. Ensure doesn't crash.
  string result, err;
  IncludesNormalize normalizer(".");
  EXPECT_FALSE(
      normalizer.Normalize(kLongInputString, &result, &err));
  EXPECT_EQ("path too long", err);


  // Construct max size path having cwd prefix.
  // kExactlyMaxPath = "$cwd\\a\\aaaa...aaaa\0";
  char kExactlyMaxPath[_MAX_PATH + 1];
  ASSERT_NE(_getcwd(kExactlyMaxPath, sizeof kExactlyMaxPath), NULL);

  int cwd_len = strlen(kExactlyMaxPath);
  ASSERT_LE(cwd_len + 3 + 1, _MAX_PATH)
  kExactlyMaxPath[cwd_len] = '\\';
  kExactlyMaxPath[cwd_len + 1] = 'a';
  kExactlyMaxPath[cwd_len + 2] = '\\';

  kExactlyMaxPath[cwd_len + 3] = 'a';

  for (int i = cwd_len + 4; i < _MAX_PATH; ++i) {
    if (i > cwd_len + 4 && i < _MAX_PATH - 1 && i % 10 == 0)
      kExactlyMaxPath[i] = '\\';
    else
      kExactlyMaxPath[i] = 'a';
  }

  kExactlyMaxPath[_MAX_PATH] = '\0';
  EXPECT_EQ(strlen(kExactlyMaxPath), _MAX_PATH);

  string forward_slashes(kExactlyMaxPath);
  replace(forward_slashes.begin(), forward_slashes.end(), '\\', '/');
  // Make sure a path that's exactly _MAX_PATH long is canonicalized.
  EXPECT_EQ(forward_slashes.substr(cwd_len + 1),
            NormalizeAndCheckNoError(kExactlyMaxPath));
}