MemoryBufferTest.cpp [plain text]
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/ADT/OwningPtr.h"
#include "gtest/gtest.h"
using namespace llvm;
class MemoryBufferTest : public testing::Test {
protected:
MemoryBufferTest()
: data("this is some data")
{ }
virtual void SetUp() { }
typedef OwningPtr<MemoryBuffer> OwningBuffer;
std::string data;
};
namespace {
TEST_F(MemoryBufferTest, get) {
OwningBuffer MB1(MemoryBuffer::getMemBuffer(data));
EXPECT_TRUE(0 != MB1.get());
OwningBuffer MB2(MemoryBuffer::getMemBuffer(data, "one", false));
EXPECT_TRUE(0 != MB2.get());
OwningBuffer MB3(MemoryBuffer::getMemBuffer(data, "two", true));
EXPECT_TRUE(0 != MB3.get());
EXPECT_EQ(MB1->getBufferStart(), MB2->getBufferStart());
EXPECT_EQ(MB2->getBufferStart(), MB3->getBufferStart());
MB1.reset();
MB2.reset();
MB3.reset();
EXPECT_EQ("this is some data", data);
}
TEST_F(MemoryBufferTest, copy) {
OwningBuffer MBC1(MemoryBuffer::getMemBufferCopy(data));
EXPECT_TRUE(0 != MBC1.get());
OwningBuffer MBC2(MemoryBuffer::getMemBufferCopy(data, "copy"));
EXPECT_TRUE(0 != MBC2.get());
EXPECT_NE(MBC1->getBufferStart(), MBC2->getBufferStart());
}
TEST_F(MemoryBufferTest, make_new) {
OwningBuffer Zero(MemoryBuffer::getNewUninitMemBuffer(0));
EXPECT_TRUE(0 != Zero.get());
OwningBuffer One(MemoryBuffer::getNewUninitMemBuffer(321));
EXPECT_TRUE(0 != One.get());
OwningBuffer Two(MemoryBuffer::getNewUninitMemBuffer(123, "bla"));
EXPECT_TRUE(0 != Two.get());
OwningBuffer Three(MemoryBuffer::getNewMemBuffer(321, data));
EXPECT_TRUE(0 != Three.get());
for (size_t i = 0; i < 321; ++i)
EXPECT_EQ(0, Three->getBufferStart()[0]);
OwningBuffer Four(MemoryBuffer::getNewMemBuffer(123, "zeros"));
EXPECT_TRUE(0 != Four.get());
for (size_t i = 0; i < 123; ++i)
EXPECT_EQ(0, Four->getBufferStart()[0]);
}
}