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| //===- unittests/Support/SymbolRemappingReaderTest.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/SymbolRemappingReader.h"
#include "llvm/Support/MemoryBuffer.h"
#include "gtest/gtest.h"
using namespace llvm;
namespace {
class SymbolRemappingReaderTest : public testing::Test {
public:
std::unique_ptr<MemoryBuffer> Buffer;
SymbolRemappingReader Reader;
std::string readWithErrors(StringRef Text, StringRef BufferName) {
Buffer = MemoryBuffer::getMemBuffer(Text, BufferName);
Error E = Reader.read(*Buffer);
EXPECT_TRUE((bool)E);
return toString(std::move(E));
}
void read(StringRef Text, StringRef BufferName) {
Buffer = MemoryBuffer::getMemBuffer(Text, BufferName);
Error E = Reader.read(*Buffer);
EXPECT_FALSE((bool)E);
}
};
} // unnamed namespace
TEST_F(SymbolRemappingReaderTest, ParseErrors) {
EXPECT_EQ(readWithErrors("error", "foo.map"),
"foo.map:1: Expected 'kind mangled_name mangled_name', "
"found 'error'");
EXPECT_EQ(readWithErrors("error m1 m2", "foo.map"),
"foo.map:1: Invalid kind, expected 'name', 'type', or 'encoding', "
"found 'error'");
}
TEST_F(SymbolRemappingReaderTest, DemanglingErrors) {
EXPECT_EQ(readWithErrors("type i banana", "foo.map"),
"foo.map:1: Could not demangle 'banana' as a <type>; "
"invalid mangling?");
EXPECT_EQ(readWithErrors("name i 1X", "foo.map"),
"foo.map:1: Could not demangle 'i' as a <name>; "
"invalid mangling?");
EXPECT_EQ(readWithErrors("name 1X 1fv", "foo.map"),
"foo.map:1: Could not demangle '1fv' as a <name>; "
"invalid mangling?");
EXPECT_EQ(readWithErrors("encoding 1fv 1f1gE", "foo.map"),
"foo.map:1: Could not demangle '1f1gE' as a <encoding>; "
"invalid mangling?");
}
TEST_F(SymbolRemappingReaderTest, BadMappingOrder) {
StringRef Map = R"(
# N::foo == M::bar
name N1N3fooE N1M3barE
# N:: == M::
name 1N 1M
)";
EXPECT_EQ(readWithErrors(Map, "foo.map"),
"foo.map:6: Manglings '1N' and '1M' have both been used in prior "
"remappings. Move this remapping earlier in the file.");
}
TEST_F(SymbolRemappingReaderTest, RemappingsAdded) {
StringRef Map = R"(
# A::foo == B::bar
name N1A3fooE N1B3barE
# int == long
type i l
# void f<int>() = void g<int>()
encoding 1fIiEvv 1gIiEvv
)";
read(Map, "foo.map");
auto Key = Reader.insert("_ZN1B3bar3bazIiEEvv");
EXPECT_NE(Key, SymbolRemappingReader::Key());
EXPECT_EQ(Key, Reader.lookup("_ZN1A3foo3bazIlEEvv"));
EXPECT_NE(Key, Reader.lookup("_ZN1C3foo3bazIlEEvv"));
Key = Reader.insert("_Z1fIiEvv");
EXPECT_NE(Key, SymbolRemappingReader::Key());
EXPECT_EQ(Key, Reader.lookup("_Z1gIlEvv"));
}
|