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llvm-mirror/unittests/Support/raw_ostream_test.cpp
Daniel Dunbar 73d53b538a Add min and max tests.
llvm-svn: 79454
2009-08-19 19:58:19 +00:00

94 lines
2.7 KiB
C++

//===- llvm/unittest/Support/raw_ostream_test.cpp - raw_ostream tests -----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#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) {
// Char
EXPECT_EQ("c", printToString('c'));
// String
EXPECT_EQ("hello", printToString("hello"));
EXPECT_EQ("hello", printToString(std::string("hello")));
// Int
EXPECT_EQ("0", printToString(0));
EXPECT_EQ("2425", printToString(2425));
EXPECT_EQ("-2425", printToString(-2425));
// Long long
EXPECT_EQ("0", printToString(0LL));
EXPECT_EQ("257257257235709", printToString(257257257235709LL));
EXPECT_EQ("-257257257235709", printToString(-257257257235709LL));
// Double
EXPECT_EQ("1.100000e+00", printToString(1.1));
// void*
EXPECT_EQ("0x0", printToString((void*) 0));
EXPECT_EQ("0xbeef", printToString((void*) 0xbeef));
EXPECT_EQ("0xdeadbeef", printToString((void*) 0xdeadbeef));
// Min and max.
EXPECT_EQ("18446744073709551615", printToString(UINT64_MAX));
EXPECT_EQ("-9223372036854775808", printToString(INT64_MIN));
}
TEST(raw_ostreamTest, Types_Unbuffered) {
// Char
EXPECT_EQ("c", printToStringUnbuffered('c'));
// String
EXPECT_EQ("hello", printToStringUnbuffered("hello"));
EXPECT_EQ("hello", printToStringUnbuffered(std::string("hello")));
// Int
EXPECT_EQ("0", printToStringUnbuffered(0));
EXPECT_EQ("2425", printToStringUnbuffered(2425));
EXPECT_EQ("-2425", printToStringUnbuffered(-2425));
// Long long
EXPECT_EQ("0", printToStringUnbuffered(0LL));
EXPECT_EQ("257257257235709", printToStringUnbuffered(257257257235709LL));
EXPECT_EQ("-257257257235709", printToStringUnbuffered(-257257257235709LL));
// Double
EXPECT_EQ("1.100000e+00", printToStringUnbuffered(1.1));
// void*
EXPECT_EQ("0x0", printToStringUnbuffered((void*) 0));
EXPECT_EQ("0xbeef", printToStringUnbuffered((void*) 0xbeef));
EXPECT_EQ("0xdeadbeef", printToStringUnbuffered((void*) 0xdeadbeef));
// Min and max.
EXPECT_EQ("18446744073709551615", printToStringUnbuffered(UINT64_MAX));
EXPECT_EQ("-9223372036854775808", printToStringUnbuffered(INT64_MIN));
}
}