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96 lines
3.0 KiB
96 lines
3.0 KiB
4 months ago
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//===- unittests/Support/SymbolRemappingReaderTest.cpp --------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Support/SymbolRemappingReader.h"
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#include "llvm/Support/MemoryBuffer.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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class SymbolRemappingReaderTest : public testing::Test {
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public:
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std::unique_ptr<MemoryBuffer> Buffer;
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SymbolRemappingReader Reader;
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std::string readWithErrors(StringRef Text, StringRef BufferName) {
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Buffer = MemoryBuffer::getMemBuffer(Text, BufferName);
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Error E = Reader.read(*Buffer);
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EXPECT_TRUE((bool)E);
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return toString(std::move(E));
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}
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void read(StringRef Text, StringRef BufferName) {
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Buffer = MemoryBuffer::getMemBuffer(Text, BufferName);
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Error E = Reader.read(*Buffer);
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EXPECT_FALSE((bool)E);
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}
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};
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} // unnamed namespace
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TEST_F(SymbolRemappingReaderTest, ParseErrors) {
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EXPECT_EQ(readWithErrors("error", "foo.map"),
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"foo.map:1: Expected 'kind mangled_name mangled_name', "
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"found 'error'");
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EXPECT_EQ(readWithErrors("error m1 m2", "foo.map"),
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"foo.map:1: Invalid kind, expected 'name', 'type', or 'encoding', "
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"found 'error'");
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}
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TEST_F(SymbolRemappingReaderTest, DemanglingErrors) {
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EXPECT_EQ(readWithErrors("type i banana", "foo.map"),
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"foo.map:1: Could not demangle 'banana' as a <type>; "
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"invalid mangling?");
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EXPECT_EQ(readWithErrors("name i 1X", "foo.map"),
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"foo.map:1: Could not demangle 'i' as a <name>; "
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"invalid mangling?");
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EXPECT_EQ(readWithErrors("name 1X 1fv", "foo.map"),
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"foo.map:1: Could not demangle '1fv' as a <name>; "
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"invalid mangling?");
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EXPECT_EQ(readWithErrors("encoding 1fv 1f1gE", "foo.map"),
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"foo.map:1: Could not demangle '1f1gE' as a <encoding>; "
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"invalid mangling?");
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}
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TEST_F(SymbolRemappingReaderTest, BadMappingOrder) {
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StringRef Map = R"(
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# N::foo == M::bar
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name N1N3fooE N1M3barE
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# N:: == M::
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name 1N 1M
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)";
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EXPECT_EQ(readWithErrors(Map, "foo.map"),
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"foo.map:6: Manglings '1N' and '1M' have both been used in prior "
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"remappings. Move this remapping earlier in the file.");
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}
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TEST_F(SymbolRemappingReaderTest, RemappingsAdded) {
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StringRef Map = R"(
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# A::foo == B::bar
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name N1A3fooE N1B3barE
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# int == long
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type i l
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# void f<int>() = void g<int>()
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encoding 1fIiEvv 1gIiEvv
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)";
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read(Map, "foo.map");
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auto Key = Reader.insert("_ZN1B3bar3bazIiEEvv");
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EXPECT_NE(Key, SymbolRemappingReader::Key());
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EXPECT_EQ(Key, Reader.lookup("_ZN1A3foo3bazIlEEvv"));
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EXPECT_NE(Key, Reader.lookup("_ZN1C3foo3bazIlEEvv"));
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Key = Reader.insert("_Z1fIiEvv");
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EXPECT_NE(Key, SymbolRemappingReader::Key());
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EXPECT_EQ(Key, Reader.lookup("_Z1gIlEvv"));
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}
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