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//===- llvm/unittest/OutputBufferTest.cpp - OutputStream unit tests -------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "llvm/Demangle/MicrosoftDemangleNodes.h"
#include "llvm/Demangle/Utility.h"
#include "gtest/gtest.h"
#include <string>
using namespace llvm;
using llvm::itanium_demangle::OutputBuffer;
static std::string toString(OutputBuffer &OB) {
return {OB.getBuffer(), OB.getCurrentPosition()};
}
template <typename T> static std::string printToString(const T &Value) {
OutputBuffer OB;
OB << Value;
std::string s = toString(OB);
std::free(OB.getBuffer());
return s;
}
TEST(OutputBufferTest, Format) {
EXPECT_EQ("0", printToString(0));
EXPECT_EQ("1", printToString(1));
EXPECT_EQ("-1", printToString(-1));
EXPECT_EQ("-90", printToString(-90));
EXPECT_EQ("109", printToString(109));
EXPECT_EQ("400", printToString(400));
EXPECT_EQ("a", printToString('a'));
EXPECT_EQ("?", printToString('?'));
EXPECT_EQ("abc", printToString("abc"));
}
TEST(OutputBufferTest, Insert) {
OutputBuffer OB;
OB.insert(0, "", 0);
EXPECT_EQ("", toString(OB));
OB.insert(0, "abcd", 4);
EXPECT_EQ("abcd", toString(OB));
OB.insert(0, "x", 1);
EXPECT_EQ("xabcd", toString(OB));
OB.insert(5, "y", 1);
EXPECT_EQ("xabcdy", toString(OB));
OB.insert(3, "defghi", 6);
EXPECT_EQ("xabdefghicdy", toString(OB));
std::free(OB.getBuffer());
}
TEST(OutputBufferTest, Prepend) {
OutputBuffer OB;
OB.prepend("n");
EXPECT_EQ("n", toString(OB));
OB << "abc";
OB.prepend("def");
EXPECT_EQ("defnabc", toString(OB));
OB.setCurrentPosition(3);
OB.prepend("abc");
EXPECT_EQ("abcdef", toString(OB));
std::free(OB.getBuffer());
}
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