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//===----- unittests/ELFAttributeParserTest.cpp ---------------------------===//
//
// 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/Support/ELFAttrParserCompact.h"
#include "llvm/Support/ELFAttributes.h"
#include "gtest/gtest.h"
#include <string>
using namespace llvm;
static const TagNameMap emptyTagNameMap;
// This class is used to test the common part of the ELF attribute section.
class AttributeHeaderParser : public ELFCompactAttrParser {
Error handler(uint64_t tag, bool &handled) override {
// Treat all attributes as handled.
handled = true;
return Error::success();
}
public:
AttributeHeaderParser(ScopedPrinter *printer)
: ELFCompactAttrParser(printer, emptyTagNameMap, "test") {}
AttributeHeaderParser() : ELFCompactAttrParser(emptyTagNameMap, "test") {}
};
static void testParseError(ArrayRef<uint8_t> bytes, const char *msg) {
AttributeHeaderParser parser;
Error e = parser.parse(bytes, llvm::endianness::little);
EXPECT_STREQ(toString(std::move(e)).c_str(), msg);
}
TEST(AttributeHeaderParser, UnrecognizedFormatVersion) {
static const uint8_t bytes[] = {1};
testParseError(bytes, "unrecognized format-version: 0x1");
}
TEST(AttributeHeaderParser, InvalidSectionLength) {
static const uint8_t bytes[] = {'A', 3, 0, 0, 0};
testParseError(bytes, "invalid section length 3 at offset 0x1");
}
TEST(AttributeHeaderParser, UnrecognizedTag) {
static const uint8_t bytes[] = {'A', 14, 0, 0, 0, 't', 'e', 's',
't', 0, 4, 5, 0, 0, 0};
testParseError(bytes, "unrecognized tag 0x4 at offset 0xa");
}
TEST(AttributeHeaderParser, InvalidAttributeSize) {
static const uint8_t bytes[] = {'A', 14, 0, 0, 0, 't', 'e', 's',
't', 0, 1, 4, 0, 0, 0};
testParseError(bytes, "invalid attribute size 4 at offset 0xa");
}
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