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Simplify compression API by compressing into a SmallVector rather than a MemoryBuffer

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This is the other half of r205676.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@205677 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Blaikie
2014-04-05 21:53:04 +00:00
parent b206103abc
commit b4074c010b
4 changed files with 23 additions and 33 deletions
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14
unittests/Support/CompressionTest.cpp
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@ -13,8 +13,8 @@
#include "llvm/Support/Compression.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Config/config.h"
#include "llvm/Support/MemoryBuffer.h"
#include "gtest/gtest.h"
using namespace llvm;
@ -24,19 +24,17 @@ namespace {
#if LLVM_ENABLE_ZLIB == 1 && HAVE_LIBZ
void TestZlibCompression(StringRef Input, zlib::CompressionLevel Level) {
std::unique_ptr<MemoryBuffer> Compressed;
SmallString<32> Compressed;
SmallString<32> Uncompressed;
EXPECT_EQ(zlib::StatusOK, zlib::compress(Input, Compressed, Level));
// Check that uncompressed buffer is the same as original.
EXPECT_EQ(zlib::StatusOK, zlib::uncompress(Compressed->getBuffer(),
Uncompressed, Input.size()));
EXPECT_EQ(Input.size(), Uncompressed.size());
EXPECT_EQ(0, memcmp(Input.data(), Uncompressed.data(), Input.size()));
EXPECT_EQ(zlib::StatusOK,
zlib::uncompress(Compressed, Uncompressed, Input.size()));
EXPECT_EQ(Input, Uncompressed);
if (Input.size() > 0) {
// Uncompression fails if expected length is too short.
EXPECT_EQ(zlib::StatusBufferTooShort,
zlib::uncompress(Compressed->getBuffer(), Uncompressed,
Input.size() - 1));
zlib::uncompress(Compressed, Uncompressed, Input.size() - 1));
}
}