Imported Upstream version 5.18.0.161

Former-commit-id: 4db48158d3a35497b8f118ab21b5f08ac3d86d98

external/llvm/unittests/Support/StringPool.cpp

@@ -0,0 +1,31 @@
+//===- llvm/unittest/Support/StringPoiil.cpp - StringPool tests -----------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Support/StringPool.h"
+#include "gtest/gtest.h"
+
+using namespace llvm;
+
+namespace {
+
+TEST(PooledStringPtrTest, OperatorEquals) {
+  StringPool pool;
+  const PooledStringPtr a = pool.intern("a");
+  const PooledStringPtr b = pool.intern("b");
+  EXPECT_FALSE(a == b);
+}
+
+TEST(PooledStringPtrTest, OperatorNotEquals) {
+  StringPool pool;
+  const PooledStringPtr a = pool.intern("a");
+  const PooledStringPtr b = pool.intern("b");
+  EXPECT_TRUE(a != b);
+}
+
+}