[Driver] Add unit tests for GnuLdDriver.

llvm-svn: 182980

1 files changed, 51 insertions, 0 deletions

diff --git a/lld/unittests/DriverTests/GnuLdDriverTest.cpp b/lld/unittests/DriverTests/GnuLdDriverTest.cpp
new file mode 100644
index 00000000000..2483559cd58
--- /dev/null
+++ b/lld/unittests/DriverTests/GnuLdDriverTest.cpp
@@ -0,0 +1,51 @@
+//===- lld/unittest/WinLinkDriverTest.cpp ---------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief Windows link.exe driver tests.
+///
+//===----------------------------------------------------------------------===//
+
+#include "DriverTest.h"
+
+#include "lld/ReaderWriter/ELFTargetInfo.h"
+
+using namespace llvm;
+using namespace lld;
+
+namespace {
+
+class GnuLdParserTest : public ParserTest<GnuLdDriver, ELFTargetInfo> {
+protected:
+  virtual ELFTargetInfo* doParse(int argc, const char **argv,
+                                 raw_ostream &diag) {
+    std::unique_ptr<ELFTargetInfo> info(GnuLdDriver::parse(argc, argv, diag));
+    return info.release();
+  }
+};
+
+TEST_F(GnuLdParserTest, Basic) {
+  parse("ld", "infile.o", nullptr);
+  ASSERT_TRUE(!!info);
+  EXPECT_EQ("a.out", info->outputPath());
+  EXPECT_EQ(1, (int)inputFiles.size());
+  EXPECT_EQ("infile.o", inputFiles[0]);
+  EXPECT_FALSE(info->outputYAML());
+}
+
+TEST_F(GnuLdParserTest, ManyOptions) {
+  parse("ld", "-entry", "_start", "-o", "outfile",
+        "-emit-yaml", "infile.o", nullptr);
+  ASSERT_TRUE(!!info);
+  EXPECT_EQ("outfile", info->outputPath());
+  EXPECT_EQ("_start", info->entrySymbolName());
+  EXPECT_TRUE(info->outputYAML());
+}
+
+}  // end anonymous namespace