1 files changed, 64 insertions, 0 deletions
diff --git a/llvm/unittests/DebugInfo/DWARF/DWARFDebugLineTest.cpp b/llvm/unittests/DebugInfo/DWARF/DWARFDebugLineTest.cpp
new file mode 100644
index 00000000000..8073b705dc2
--- /dev/null
+++ b/llvm/unittests/DebugInfo/DWARF/DWARFDebugLineTest.cpp
@@ -0,0 +1,64 @@
+//===- DWARFDebugLineTest.cpp ---------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "DwarfGenerator.h"
+#include "DwarfUtils.h"
+#include "llvm/DebugInfo/DWARF/DWARFContext.h"
+#include "llvm/DebugInfo/DWARF/DWARFDebugLine.h"
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/Testing/Support/Error.h"
+#include "gtest/gtest.h"
+
+using namespace llvm;
+using namespace dwarf;
+using namespace object;
+using namespace utils;
+
+namespace {
+
+struct DebugLineGenerator {
+  bool init() {
+    Triple T = getHostTripleForAddrSize(8);
+    if (!isConfigurationSupported(T))
+      return false;
+    auto ExpectedGenerator = dwarfgen::Generator::create(T, 4);
+    if (ExpectedGenerator)
+      Generator.reset(ExpectedGenerator->release());
+    return true;
+  }
+
+  std::unique_ptr<DWARFContext> createContext() {
+    if (!Generator)
+      return nullptr;
+    StringRef FileBytes = Generator->generate();
+    MemoryBufferRef FileBuffer(FileBytes, "dwarf");
+    auto Obj = object::ObjectFile::createObjectFile(FileBuffer);
+    if (Obj)
+      return DWARFContext::create(**Obj);
+    return nullptr;
+  }
+
+  std::unique_ptr<dwarfgen::Generator> Generator;
+};
+
+TEST(DWARFDebugLine, GetLineTableAtInvalidOffset) {
+  DebugLineGenerator LineGen;
+  if (!LineGen.init())
+    return;
+
+  DWARFDebugLine Line;
+  std::unique_ptr<DWARFContext> Context = LineGen.createContext();
+  ASSERT_TRUE(Context != nullptr);
+  const DWARFObject &Obj = Context->getDWARFObj();
+  DWARFDataExtractor LineData(Obj, Obj.getLineSection(), true, 8);
+
+  EXPECT_EQ(Line.getOrParseLineTable(LineData, 0, *Context, nullptr), nullptr);
+}
+
+} // end anonymous namespace