forked from OSchip/llvm-project
68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
//===- llvm/unittest/AsmParser/AsmParserTest.cpp - asm parser unittests ---===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/StringRef.h"
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#include "llvm/AsmParser/Parser.h"
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#include "llvm/AsmParser/SlotMapping.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/Module.h"
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#include "llvm/Support/SourceMgr.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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TEST(AsmParserTest, NullTerminatedInput) {
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LLVMContext &Ctx = getGlobalContext();
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StringRef Source = "; Empty module \n";
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SMDiagnostic Error;
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auto Mod = parseAssemblyString(Source, Error, Ctx);
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EXPECT_TRUE(Mod != nullptr);
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EXPECT_TRUE(Error.getMessage().empty());
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}
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#ifdef GTEST_HAS_DEATH_TEST
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#ifndef NDEBUG
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TEST(AsmParserTest, NonNullTerminatedInput) {
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LLVMContext &Ctx = getGlobalContext();
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StringRef Source = "; Empty module \n\1\2";
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SMDiagnostic Error;
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std::unique_ptr<Module> Mod;
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EXPECT_DEATH(Mod = parseAssemblyString(Source.substr(0, Source.size() - 2),
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Error, Ctx),
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"Buffer is not null terminated!");
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}
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#endif
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#endif
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TEST(AsmParserTest, SlotMappingTest) {
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LLVMContext &Ctx = getGlobalContext();
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StringRef Source = "@0 = global i32 0\n !0 = !{}\n !42 = !{i32 42}";
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SMDiagnostic Error;
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SlotMapping Mapping;
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auto Mod = parseAssemblyString(Source, Error, Ctx, &Mapping);
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EXPECT_TRUE(Mod != nullptr);
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EXPECT_TRUE(Error.getMessage().empty());
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ASSERT_EQ(Mapping.GlobalValues.size(), 1u);
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EXPECT_TRUE(isa<GlobalVariable>(Mapping.GlobalValues[0]));
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EXPECT_EQ(Mapping.MetadataNodes.size(), 2u);
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EXPECT_EQ(Mapping.MetadataNodes.count(0), 1u);
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EXPECT_EQ(Mapping.MetadataNodes.count(42), 1u);
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EXPECT_EQ(Mapping.MetadataNodes.count(1), 0u);
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}
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} // end anonymous namespace
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