89 lines
2.7 KiB
C++
89 lines
2.7 KiB
C++
//===- llvm/unittest/Support/TarWriterTest.cpp ----------------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Support/TarWriter.h"
|
|
#include "llvm/Support/FileSystem.h"
|
|
#include "llvm/Support/MemoryBuffer.h"
|
|
#include "gtest/gtest.h"
|
|
|
|
using namespace llvm;
|
|
namespace {
|
|
|
|
struct UstarHeader {
|
|
char Name[100];
|
|
char Mode[8];
|
|
char Uid[8];
|
|
char Gid[8];
|
|
char Size[12];
|
|
char Mtime[12];
|
|
char Checksum[8];
|
|
char TypeFlag;
|
|
char Linkname[100];
|
|
char Magic[6];
|
|
char Version[2];
|
|
char Uname[32];
|
|
char Gname[32];
|
|
char DevMajor[8];
|
|
char DevMinor[8];
|
|
char Prefix[155];
|
|
char Pad[12];
|
|
};
|
|
|
|
class TarWriterTest : public ::testing::Test {};
|
|
|
|
static UstarHeader create(StringRef Base, StringRef Filename) {
|
|
// Create a temporary file.
|
|
SmallString<128> Path;
|
|
std::error_code EC =
|
|
sys::fs::createTemporaryFile("TarWriterTest", "tar", Path);
|
|
EXPECT_FALSE((bool)EC);
|
|
|
|
// Create a tar file.
|
|
Expected<std::unique_ptr<TarWriter>> TarOrErr = TarWriter::create(Path, Base);
|
|
EXPECT_TRUE((bool)TarOrErr);
|
|
std::unique_ptr<TarWriter> Tar = std::move(*TarOrErr);
|
|
Tar->append(Filename, "contents");
|
|
Tar.reset();
|
|
|
|
// Read the tar file.
|
|
ErrorOr<std::unique_ptr<MemoryBuffer>> MBOrErr = MemoryBuffer::getFile(Path);
|
|
EXPECT_TRUE((bool)MBOrErr);
|
|
std::unique_ptr<MemoryBuffer> MB = std::move(*MBOrErr);
|
|
sys::fs::remove(Path);
|
|
return *reinterpret_cast<const UstarHeader *>(MB->getBufferStart());
|
|
}
|
|
|
|
TEST_F(TarWriterTest, Basics) {
|
|
UstarHeader Hdr = create("base", "file");
|
|
EXPECT_EQ("ustar", StringRef(Hdr.Magic));
|
|
EXPECT_EQ("00", StringRef(Hdr.Version, 2));
|
|
EXPECT_EQ("base/file", StringRef(Hdr.Name));
|
|
EXPECT_EQ("00000000010", StringRef(Hdr.Size));
|
|
}
|
|
|
|
TEST_F(TarWriterTest, LongFilename) {
|
|
UstarHeader Hdr1 = create(
|
|
"012345678", std::string(99, 'x') + "/" + std::string(44, 'x') + "/foo");
|
|
EXPECT_EQ("foo", StringRef(Hdr1.Name));
|
|
EXPECT_EQ("012345678/" + std::string(99, 'x') + "/" + std::string(44, 'x'),
|
|
StringRef(Hdr1.Prefix));
|
|
|
|
UstarHeader Hdr2 = create(
|
|
"012345678", std::string(99, 'x') + "/" + std::string(45, 'x') + "/foo");
|
|
EXPECT_EQ("foo", StringRef(Hdr2.Name));
|
|
EXPECT_EQ("012345678/" + std::string(99, 'x') + "/" + std::string(45, 'x'),
|
|
StringRef(Hdr2.Prefix));
|
|
|
|
UstarHeader Hdr3 = create(
|
|
"012345678", std::string(99, 'x') + "/" + std::string(46, 'x') + "/foo");
|
|
EXPECT_EQ(std::string(46, 'x') + "/foo", StringRef(Hdr3.Name));
|
|
EXPECT_EQ("012345678/" + std::string(99, 'x'), StringRef(Hdr3.Prefix));
|
|
}
|
|
}
|