mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-12-05 18:27:59 +00:00
b00824c629
llvm-svn: 210442
147 lines
4.4 KiB
C++
147 lines
4.4 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/ADT/SmallString.h"
|
|
#include "llvm/Support/Format.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;
|
|
}
|
|
|
|
/// printToString - Print the given value to a stream which only has \arg
|
|
/// BytesLeftInBuffer bytes left in the buffer. This is useful for testing edge
|
|
/// cases in the buffer handling logic.
|
|
template<typename T> std::string printToString(const T &Value,
|
|
unsigned BytesLeftInBuffer) {
|
|
// FIXME: This is relying on internal knowledge of how raw_ostream works to
|
|
// get the buffer position right.
|
|
SmallString<256> SVec;
|
|
assert(BytesLeftInBuffer < 256 && "Invalid buffer count!");
|
|
llvm::raw_svector_ostream OS(SVec);
|
|
unsigned StartIndex = 256 - BytesLeftInBuffer;
|
|
for (unsigned i = 0; i != StartIndex; ++i)
|
|
OS << '?';
|
|
OS << Value;
|
|
return OS.str().substr(StartIndex);
|
|
}
|
|
|
|
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*) nullptr));
|
|
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*) nullptr));
|
|
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));
|
|
}
|
|
|
|
TEST(raw_ostreamTest, BufferEdge) {
|
|
EXPECT_EQ("1.20", printToString(format("%.2f", 1.2), 1));
|
|
EXPECT_EQ("1.20", printToString(format("%.2f", 1.2), 2));
|
|
EXPECT_EQ("1.20", printToString(format("%.2f", 1.2), 3));
|
|
EXPECT_EQ("1.20", printToString(format("%.2f", 1.2), 4));
|
|
EXPECT_EQ("1.20", printToString(format("%.2f", 1.2), 10));
|
|
}
|
|
|
|
TEST(raw_ostreamTest, TinyBuffer) {
|
|
std::string Str;
|
|
raw_string_ostream OS(Str);
|
|
OS.SetBufferSize(1);
|
|
OS << "hello";
|
|
OS << 1;
|
|
OS << 'w' << 'o' << 'r' << 'l' << 'd';
|
|
EXPECT_EQ("hello1world", OS.str());
|
|
}
|
|
|
|
TEST(raw_ostreamTest, WriteEscaped) {
|
|
std::string Str;
|
|
|
|
Str = "";
|
|
raw_string_ostream(Str).write_escaped("hi");
|
|
EXPECT_EQ("hi", Str);
|
|
|
|
Str = "";
|
|
raw_string_ostream(Str).write_escaped("\\\t\n\"");
|
|
EXPECT_EQ("\\\\\\t\\n\\\"", Str);
|
|
|
|
Str = "";
|
|
raw_string_ostream(Str).write_escaped("\1\10\200");
|
|
EXPECT_EQ("\\001\\010\\200", Str);
|
|
}
|
|
|
|
}
|