From 67c32a98315f785a9ec9d531c1f571a0196c7463 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 18 Jan 2015 16:17:27 +0000
Subject: Vendor import of llvm RELEASE_360/rc1 tag r226102 (effectively, 3.6.0
 RC1): https://llvm.org/svn/llvm-project/llvm/tags/RELEASE_360/rc1@226102

---
 unittests/MC/StringTableBuilderTest.cpp | 35 +++++++++++++++++++++++++++++++--
 1 file changed, 33 insertions(+), 2 deletions(-)

(limited to 'unittests/MC/StringTableBuilderTest.cpp')

diff --git a/unittests/MC/StringTableBuilderTest.cpp b/unittests/MC/StringTableBuilderTest.cpp
index d30dc6222d23..716b9c7ae879 100644
--- a/unittests/MC/StringTableBuilderTest.cpp
+++ b/unittests/MC/StringTableBuilderTest.cpp
@@ -8,6 +8,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/MC/StringTableBuilder.h"
+#include "llvm/Support/Endian.h"
 #include "gtest/gtest.h"
 #include <string>
 
@@ -15,14 +16,14 @@ using namespace llvm;
 
 namespace {
 
-TEST(StringTableBuilderTest, Basic) {
+TEST(StringTableBuilderTest, BasicELF) {
   StringTableBuilder B;
 
   B.add("foo");
   B.add("bar");
   B.add("foobar");
 
-  B.finalize();
+  B.finalize(StringTableBuilder::ELF);
 
   std::string Expected;
   Expected += '\x00';
@@ -37,4 +38,34 @@ TEST(StringTableBuilderTest, Basic) {
   EXPECT_EQ(8U, B.getOffset("foo"));
 }
 
+TEST(StringTableBuilderTest, BasicWinCOFF) {
+  StringTableBuilder B;
+
+  // Strings must be 9 chars or longer to go in the table.
+  B.add("hippopotamus");
+  B.add("pygmy hippopotamus");
+  B.add("river horse");
+
+  B.finalize(StringTableBuilder::WinCOFF);
+
+  // size_field + "pygmy hippopotamus\0" + "river horse\0"
+  uint32_t ExpectedSize = 4 + 19 + 12;
+  EXPECT_EQ(ExpectedSize, B.data().size());
+
+  std::string Expected;
+
+  ExpectedSize =
+      support::endian::byte_swap<uint32_t, support::little>(ExpectedSize);
+  Expected.append((const char*)&ExpectedSize, 4);
+  Expected += "pygmy hippopotamus";
+  Expected += '\x00';
+  Expected += "river horse";
+  Expected += '\x00';
+
+  EXPECT_EQ(Expected, B.data());
+  EXPECT_EQ(4U, B.getOffset("pygmy hippopotamus"));
+  EXPECT_EQ(10U, B.getOffset("hippopotamus"));
+  EXPECT_EQ(23U, B.getOffset("river horse"));
+}
+
 }
-- 
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