raw_ostream_test.cpp [plain text]
#include "gtest/gtest.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
namespace {
template<typename T> std::string printToString(const T &Value) {
std::string res;
llvm::raw_string_ostream(res) << Value;
return res;
}
template<typename T> std::string printToStringUnbuffered(const T &Value) {
std::string res;
llvm::raw_string_ostream OS(res);
OS.SetUnbuffered();
OS << Value;
return res;
}
TEST(raw_ostreamTest, Types_Buffered) {
EXPECT_EQ("c", printToString('c'));
EXPECT_EQ("hello", printToString("hello"));
EXPECT_EQ("hello", printToString(std::string("hello")));
EXPECT_EQ("0", printToString(0));
EXPECT_EQ("2425", printToString(2425));
EXPECT_EQ("-2425", printToString(-2425));
EXPECT_EQ("0", printToString(0LL));
EXPECT_EQ("257257257235709", printToString(257257257235709LL));
EXPECT_EQ("-257257257235709", printToString(-257257257235709LL));
EXPECT_EQ("1.100000e+00", printToString(1.1));
EXPECT_EQ("0x0", printToString((void*) 0));
EXPECT_EQ("0xbeef", printToString((void*) 0xbeef));
EXPECT_EQ("0xdeadbeef", printToString((void*) 0xdeadbeef));
}
TEST(raw_ostreamTest, Types_Unbuffered) {
EXPECT_EQ("c", printToStringUnbuffered('c'));
EXPECT_EQ("hello", printToStringUnbuffered("hello"));
EXPECT_EQ("hello", printToStringUnbuffered(std::string("hello")));
EXPECT_EQ("0", printToStringUnbuffered(0));
EXPECT_EQ("2425", printToStringUnbuffered(2425));
EXPECT_EQ("-2425", printToStringUnbuffered(-2425));
EXPECT_EQ("0", printToStringUnbuffered(0LL));
EXPECT_EQ("257257257235709", printToStringUnbuffered(257257257235709LL));
EXPECT_EQ("-257257257235709", printToStringUnbuffered(-257257257235709LL));
EXPECT_EQ("1.100000e+00", printToStringUnbuffered(1.1));
EXPECT_EQ("0x0", printToStringUnbuffered((void*) 0));
EXPECT_EQ("0xbeef", printToStringUnbuffered((void*) 0xbeef));
EXPECT_EQ("0xdeadbeef", printToStringUnbuffered((void*) 0xdeadbeef));
}
}