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crashpad/util/file/string_file_test.cc
Mark Mentovai 6278690abe Update copyright boilerplate, 2022 edition (Crashpad) 
sed -i '' -E -e 's/Copyright (.+) The Crashpad Authors\. All rights reserved\.$/Copyright \1 The Crashpad Authors/' $(git grep -El 'Copyright (.+) The Crashpad Authors\. All rights reserved\.$')

Bug: chromium:1098010
Change-Id: I8d6138469ddbe3d281a5d83f64cf918ec2491611
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/3878262
Reviewed-by: Joshua Peraza <jperaza@chromium.org>
Commit-Queue: Mark Mentovai <mark@chromium.org>
2022-09-06 23:54:07 +00:00

506 lines
17 KiB
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// Copyright 2014 The Crashpad Authors
//
// 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 "util/file/string_file.h"
#include <stdint.h>
#include <string.h>
#include <algorithm>
#include <limits>
#include "gtest/gtest.h"
#include "util/misc/implicit_cast.h"
namespace crashpad {
namespace test {
namespace {
TEST(StringFile, EmptyFile) {
StringFile string_file;
EXPECT_TRUE(string_file.string().empty());
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 0);
EXPECT_TRUE(string_file.Write("", 0));
EXPECT_TRUE(string_file.string().empty());
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 0);
char c = '6';
EXPECT_EQ(string_file.Read(&c, 1), 0);
EXPECT_EQ(c, '6');
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 0);
EXPECT_TRUE(string_file.string().empty());
}
TEST(StringFile, OneByteFile) {
StringFile string_file;
EXPECT_TRUE(string_file.Write("a", 1));
EXPECT_EQ(string_file.string().size(), 1u);
EXPECT_EQ(string_file.string(), "a");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
EXPECT_EQ(string_file.Seek(0, SEEK_SET), 0);
char c = '6';
EXPECT_EQ(string_file.Read(&c, 1), 1);
EXPECT_EQ(c, 'a');
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
EXPECT_EQ(string_file.Read(&c, 1), 0);
EXPECT_EQ(c, 'a');
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
EXPECT_EQ(string_file.string(), "a");
EXPECT_EQ(string_file.Seek(0, SEEK_SET), 0);
EXPECT_TRUE(string_file.Write("b", 1));
EXPECT_EQ(string_file.string().size(), 1u);
EXPECT_EQ(string_file.string(), "b");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
EXPECT_EQ(string_file.Seek(0, SEEK_SET), 0);
EXPECT_EQ(string_file.Read(&c, 1), 1);
EXPECT_EQ(c, 'b');
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
EXPECT_EQ(string_file.Read(&c, 1), 0);
EXPECT_EQ(c, 'b');
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
EXPECT_EQ(string_file.string(), "b");
EXPECT_EQ(string_file.Seek(0, SEEK_SET), 0);
EXPECT_TRUE(string_file.Write("\0", 1));
EXPECT_EQ(string_file.string().size(), 1u);
EXPECT_EQ(string_file.string()[0], '\0');
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
EXPECT_EQ(string_file.string().size(), 1u);
EXPECT_EQ(string_file.string()[0], '\0');
}
TEST(StringFile, SetString) {
char kString1[] = "Four score";
StringFile string_file;
string_file.SetString(kString1);
EXPECT_EQ(string_file.Seek(0, SEEK_SET), 0);
char buf[5] = "****";
EXPECT_EQ(string_file.Read(buf, 4), 4);
EXPECT_STREQ("Four", buf);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 4);
EXPECT_EQ(string_file.Seek(0, SEEK_END),
static_cast<FileOffset>(strlen(kString1)));
EXPECT_EQ(string_file.string(), kString1);
char kString2[] = "and seven years ago";
EXPECT_EQ(string_file.Seek(4, SEEK_SET), 4);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 4);
string_file.SetString(kString2);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 0);
EXPECT_EQ(string_file.Read(buf, 4), 4);
EXPECT_STREQ("and ", buf);
EXPECT_EQ(string_file.Seek(0, SEEK_END),
static_cast<FileOffset>(strlen(kString2)));
EXPECT_EQ(string_file.string(), kString2);
char kString3[] = "our fathers";
EXPECT_EQ(string_file.Seek(4, SEEK_SET), 4);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 4);
string_file.SetString(kString3);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 0);
EXPECT_EQ(string_file.Read(buf, 4), 4);
EXPECT_STREQ("our ", buf);
EXPECT_EQ(string_file.Seek(0, SEEK_END),
static_cast<FileOffset>(strlen(kString3)));
EXPECT_EQ(string_file.string(), kString3);
}
TEST(StringFile, ReadExactly) {
StringFile string_file;
string_file.SetString("1234567");
char buf[4] = "***";
EXPECT_TRUE(string_file.ReadExactly(buf, 3));
EXPECT_STREQ("123", buf);
EXPECT_TRUE(string_file.ReadExactly(buf, 3));
EXPECT_STREQ("456", buf);
EXPECT_FALSE(string_file.ReadExactly(buf, 3));
}
TEST(StringFile, Reset) {
StringFile string_file;
EXPECT_TRUE(string_file.Write("abc", 3));
EXPECT_EQ(string_file.string().size(), 3u);
EXPECT_EQ(string_file.string(), "abc");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 3);
char buf[10] = "*********";
EXPECT_EQ(string_file.Seek(0, SEEK_SET), 0);
EXPECT_EQ(string_file.Read(&buf, 10), 3);
EXPECT_STREQ("abc******", buf);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 3);
EXPECT_FALSE(string_file.string().empty());
string_file.Reset();
EXPECT_TRUE(string_file.string().empty());
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 0);
EXPECT_TRUE(string_file.Write("de", 2));
EXPECT_EQ(string_file.string().size(), 2u);
EXPECT_EQ(string_file.string(), "de");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 2);
EXPECT_EQ(string_file.Seek(0, SEEK_SET), 0);
EXPECT_EQ(string_file.Read(&buf, 10), 2);
EXPECT_STREQ("dec******", buf);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 2);
EXPECT_FALSE(string_file.string().empty());
string_file.Reset();
EXPECT_TRUE(string_file.string().empty());
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 0);
EXPECT_TRUE(string_file.Write("fghi", 4));
EXPECT_EQ(string_file.string().size(), 4u);
EXPECT_EQ(string_file.string(), "fghi");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 4);
EXPECT_EQ(string_file.Seek(0, SEEK_SET), 0);
EXPECT_EQ(string_file.Read(&buf, 2), 2);
EXPECT_STREQ("fgc******", buf);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 2);
EXPECT_EQ(string_file.Read(&buf, 2), 2);
EXPECT_STREQ("hic******", buf);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 4);
EXPECT_FALSE(string_file.string().empty());
string_file.Reset();
EXPECT_TRUE(string_file.string().empty());
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 0);
// Test resetting after a sparse write.
EXPECT_EQ(string_file.Seek(1, SEEK_SET), 1);
EXPECT_TRUE(string_file.Write("j", 1));
EXPECT_EQ(string_file.string().size(), 2u);
EXPECT_EQ(string_file.string(), std::string("\0j", 2));
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 2);
EXPECT_FALSE(string_file.string().empty());
string_file.Reset();
EXPECT_TRUE(string_file.string().empty());
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 0);
}
TEST(StringFile, WriteInvalid) {
StringFile string_file;
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 0);
EXPECT_FALSE(string_file.Write(
"",
implicit_cast<size_t>(std::numeric_limits<FileOperationResult>::max()) +
1));
EXPECT_TRUE(string_file.string().empty());
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 0);
EXPECT_TRUE(string_file.Write("a", 1));
EXPECT_FALSE(string_file.Write(
"",
implicit_cast<size_t>(std::numeric_limits<FileOperationResult>::max())));
EXPECT_EQ(string_file.string().size(), 1u);
EXPECT_EQ(string_file.string(), "a");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
}
TEST(StringFile, WriteIoVec) {
StringFile string_file;
std::vector<WritableIoVec> iovecs;
WritableIoVec iov;
iov.iov_base = "";
iov.iov_len = 0;
iovecs.push_back(iov);
EXPECT_TRUE(string_file.WriteIoVec(&iovecs));
EXPECT_TRUE(string_file.string().empty());
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 0);
iovecs.clear();
iov.iov_base = "a";
iov.iov_len = 1;
iovecs.push_back(iov);
EXPECT_TRUE(string_file.WriteIoVec(&iovecs));
EXPECT_EQ(string_file.string().size(), 1u);
EXPECT_EQ(string_file.string(), "a");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
iovecs.clear();
iovecs.push_back(iov);
EXPECT_TRUE(string_file.WriteIoVec(&iovecs));
EXPECT_EQ(string_file.string().size(), 2u);
EXPECT_EQ(string_file.string(), "aa");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 2);
iovecs.clear();
iovecs.push_back(iov);
iov.iov_base = "bc";
iov.iov_len = 2;
iovecs.push_back(iov);
EXPECT_TRUE(string_file.WriteIoVec(&iovecs));
EXPECT_EQ(string_file.string().size(), 5u);
EXPECT_EQ(string_file.string(), "aaabc");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 5);
EXPECT_TRUE(string_file.Write("def", 3));
EXPECT_EQ(string_file.string().size(), 8u);
EXPECT_EQ(string_file.string(), "aaabcdef");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 8);
iovecs.clear();
iov.iov_base = "ghij";
iov.iov_len = 4;
iovecs.push_back(iov);
iov.iov_base = "klmno";
iov.iov_len = 5;
iovecs.push_back(iov);
EXPECT_TRUE(string_file.WriteIoVec(&iovecs));
EXPECT_EQ(string_file.string().size(), 17u);
EXPECT_EQ(string_file.string(), "aaabcdefghijklmno");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 17);
string_file.Reset();
EXPECT_TRUE(string_file.string().empty());
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 0);
iovecs.clear();
iov.iov_base = "abcd";
iov.iov_len = 4;
iovecs.resize(16, iov);
EXPECT_TRUE(string_file.WriteIoVec(&iovecs));
EXPECT_EQ(string_file.string().size(), 64u);
EXPECT_EQ(string_file.string(),
"abcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcdabcd");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 64);
}
TEST(StringFile, WriteIoVecInvalid) {
StringFile string_file;
std::vector<WritableIoVec> iovecs;
EXPECT_FALSE(string_file.WriteIoVec(&iovecs));
EXPECT_TRUE(string_file.string().empty());
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 0);
WritableIoVec iov;
EXPECT_EQ(string_file.Seek(1, SEEK_CUR), 1);
iov.iov_base = "a";
iov.iov_len = std::numeric_limits<FileOperationResult>::max();
iovecs.push_back(iov);
EXPECT_FALSE(string_file.WriteIoVec(&iovecs));
EXPECT_TRUE(string_file.string().empty());
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
iovecs.clear();
iov.iov_base = "a";
iov.iov_len = 1;
iovecs.push_back(iov);
iov.iov_len = std::numeric_limits<FileOperationResult>::max() - 1;
iovecs.push_back(iov);
EXPECT_FALSE(string_file.WriteIoVec(&iovecs));
EXPECT_TRUE(string_file.string().empty());
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
}
TEST(StringFile, Seek) {
StringFile string_file;
EXPECT_TRUE(string_file.Write("abcd", 4));
EXPECT_EQ(string_file.string().size(), 4u);
EXPECT_EQ(string_file.string(), "abcd");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 4);
EXPECT_EQ(string_file.Seek(0, SEEK_SET), 0);
EXPECT_TRUE(string_file.Write("efgh", 4));
EXPECT_EQ(string_file.string().size(), 4u);
EXPECT_EQ(string_file.string(), "efgh");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 4);
EXPECT_EQ(string_file.Seek(0, SEEK_SET), 0);
EXPECT_TRUE(string_file.Write("ijk", 3));
EXPECT_EQ(string_file.string().size(), 4u);
EXPECT_EQ(string_file.string(), "ijkh");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 3);
EXPECT_EQ(string_file.Seek(0, SEEK_SET), 0);
EXPECT_TRUE(string_file.Write("lmnop", 5));
EXPECT_EQ(string_file.string().size(), 5u);
EXPECT_EQ(string_file.string(), "lmnop");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 5);
EXPECT_EQ(string_file.Seek(1, SEEK_SET), 1);
EXPECT_TRUE(string_file.Write("q", 1));
EXPECT_EQ(string_file.string().size(), 5u);
EXPECT_EQ(string_file.string(), "lqnop");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 2);
EXPECT_EQ(string_file.Seek(-1, SEEK_CUR), 1);
EXPECT_TRUE(string_file.Write("r", 1));
EXPECT_EQ(string_file.string().size(), 5u);
EXPECT_EQ(string_file.string(), "lrnop");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 2);
EXPECT_TRUE(string_file.Write("s", 1));
EXPECT_EQ(string_file.string().size(), 5u);
EXPECT_EQ(string_file.string(), "lrsop");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 3);
EXPECT_EQ(string_file.Seek(-1, SEEK_CUR), 2);
EXPECT_TRUE(string_file.Write("t", 1));
EXPECT_EQ(string_file.string().size(), 5u);
EXPECT_EQ(string_file.string(), "lrtop");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 3);
EXPECT_EQ(string_file.Seek(-1, SEEK_END), 4);
EXPECT_TRUE(string_file.Write("u", 1));
EXPECT_EQ(string_file.string().size(), 5u);
EXPECT_EQ(string_file.string(), "lrtou");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 5);
EXPECT_EQ(string_file.Seek(-5, SEEK_END), 0);
EXPECT_TRUE(string_file.Write("v", 1));
EXPECT_EQ(string_file.string().size(), 5u);
EXPECT_EQ(string_file.string(), "vrtou");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
EXPECT_EQ(string_file.Seek(0, SEEK_END), 5);
EXPECT_TRUE(string_file.Write("w", 1));
EXPECT_EQ(string_file.string().size(), 6u);
EXPECT_EQ(string_file.string(), "vrtouw");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 6);
EXPECT_EQ(string_file.Seek(2, SEEK_END), 8);
EXPECT_EQ(string_file.string().size(), 6u);
EXPECT_EQ(string_file.string(), "vrtouw");
EXPECT_EQ(string_file.Seek(0, SEEK_END), 6);
EXPECT_TRUE(string_file.Write("x", 1));
EXPECT_EQ(string_file.string().size(), 7u);
EXPECT_EQ(string_file.string(), "vrtouwx");
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 7);
}
TEST(StringFile, SeekSparse) {
StringFile string_file;
EXPECT_EQ(string_file.Seek(3, SEEK_SET), 3);
EXPECT_TRUE(string_file.string().empty());
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 3);
EXPECT_TRUE(string_file.Write("abc", 3));
EXPECT_EQ(string_file.string().size(), 6u);
EXPECT_EQ(string_file.string(), std::string("\0\0\0abc", 6));
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 6);
EXPECT_EQ(string_file.Seek(3, SEEK_END), 9);
EXPECT_EQ(string_file.string().size(), 6u);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 9);
char c;
EXPECT_EQ(string_file.Read(&c, 1), 0);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 9);
EXPECT_EQ(string_file.string().size(), 6u);
EXPECT_TRUE(string_file.Write("def", 3));
EXPECT_EQ(string_file.string().size(), 12u);
EXPECT_EQ(string_file.string(), std::string("\0\0\0abc\0\0\0def", 12));
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 12);
EXPECT_EQ(string_file.Seek(-5, SEEK_END), 7);
EXPECT_EQ(string_file.string().size(), 12u);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 7);
EXPECT_TRUE(string_file.Write("g", 1));
EXPECT_EQ(string_file.string().size(), 12u);
EXPECT_EQ(string_file.string(), std::string("\0\0\0abc\0g\0def", 12));
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 8);
EXPECT_EQ(string_file.Seek(7, SEEK_CUR), 15);
EXPECT_EQ(string_file.string().size(), 12u);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 15);
EXPECT_TRUE(string_file.Write("hij", 3));
EXPECT_EQ(string_file.string().size(), 18u);
EXPECT_EQ(string_file.string(),
std::string("\0\0\0abc\0g\0def\0\0\0hij", 18));
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 18);
EXPECT_EQ(string_file.Seek(-17, SEEK_CUR), 1);
EXPECT_EQ(string_file.string().size(), 18u);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
EXPECT_TRUE(string_file.Write("k", 1));
EXPECT_EQ(string_file.string().size(), 18u);
EXPECT_EQ(string_file.string(), std::string("\0k\0abc\0g\0def\0\0\0hij", 18));
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 2);
EXPECT_TRUE(string_file.Write("l", 1));
EXPECT_TRUE(string_file.Write("mnop", 4));
EXPECT_EQ(string_file.string().size(), 18u);
EXPECT_EQ(string_file.string(), std::string("\0klmnopg\0def\0\0\0hij", 18));
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 7);
}
TEST(StringFile, SeekInvalid) {
StringFile string_file;
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 0);
EXPECT_EQ(string_file.Seek(1, SEEK_SET), 1);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
EXPECT_LT(string_file.Seek(-1, SEEK_SET), 0);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
EXPECT_LT(string_file.Seek(std::numeric_limits<FileOperationResult>::min(),
SEEK_SET),
0);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
EXPECT_LT(string_file.Seek(std::numeric_limits<FileOffset>::min(), SEEK_SET),
0);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
EXPECT_TRUE(string_file.string().empty());
static_assert(SEEK_SET != 3 && SEEK_CUR != 3 && SEEK_END != 3,
"3 must be invalid for whence");
EXPECT_LT(string_file.Seek(0, 3), 0);
string_file.Reset();
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 0);
EXPECT_TRUE(string_file.string().empty());
const FileOffset kMaxOffset = static_cast<FileOffset>(
std::min(implicit_cast<uint64_t>(std::numeric_limits<FileOffset>::max()),
implicit_cast<uint64_t>(std::numeric_limits<size_t>::max())));
EXPECT_EQ(string_file.Seek(kMaxOffset, SEEK_SET), kMaxOffset);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), kMaxOffset);
EXPECT_LT(string_file.Seek(1, SEEK_CUR), 0);
EXPECT_EQ(string_file.Seek(1, SEEK_SET), 1);
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
EXPECT_LT(string_file.Seek(kMaxOffset, SEEK_CUR), 0);
}
TEST(StringFile, SeekSet) {
StringFile string_file;
EXPECT_TRUE(string_file.SeekSet(1));
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 1);
EXPECT_TRUE(string_file.SeekSet(0));
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 0);
EXPECT_TRUE(string_file.SeekSet(10));
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 10);
EXPECT_FALSE(string_file.SeekSet(-1));
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 10);
EXPECT_FALSE(
string_file.SeekSet(std::numeric_limits<FileOperationResult>::min()));
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 10);
EXPECT_FALSE(string_file.SeekSet(std::numeric_limits<FileOffset>::min()));
EXPECT_EQ(string_file.Seek(0, SEEK_CUR), 10);
}
} // namespace
} // namespace test
} // namespace crashpad
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