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// 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"
using namespace std;
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 err;
string currentdir = GetCurDir();
EXPECT_EQ("c", NormalizeRelativeAndCheckNoError("a/b/c", "a/b"));
EXPECT_EQ("a",
NormalizeAndCheckNoError(IncludesNormalize::AbsPath("a", &err)));
EXPECT_EQ("", err);
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_STRNE(_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));
}
TEST(IncludesNormalize, ShortRelativeButTooLongAbsolutePath) {
string result, err;
IncludesNormalize normalizer(".");
// A short path should work
EXPECT_TRUE(normalizer.Normalize("a", &result, &err));
EXPECT_EQ("", err);
// Construct max size path having cwd prefix.
// kExactlyMaxPath = "aaaa\\aaaa...aaaa\0";
char kExactlyMaxPath[_MAX_PATH + 1];
for (int i = 0; i < _MAX_PATH; ++i) {
if (i < _MAX_PATH - 1 && i % 10 == 4)
kExactlyMaxPath[i] = '\\';
else
kExactlyMaxPath[i] = 'a';
}
kExactlyMaxPath[_MAX_PATH] = '\0';
EXPECT_EQ(strlen(kExactlyMaxPath), _MAX_PATH);
// Make sure a path that's exactly _MAX_PATH long fails with a proper error.
EXPECT_FALSE(normalizer.Normalize(kExactlyMaxPath, &result, &err));
EXPECT_TRUE(err.find("GetFullPathName") != string::npos);
}
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