1 //===----- SymbolStringPoolTest.cpp - Unit tests for SymbolStringPool -----===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 
10 #include "llvm/ExecutionEngine/Orc/SymbolStringPool.h"
11 #include "gtest/gtest.h"
12 
13 using namespace llvm;
14 using namespace llvm::orc;
15 
16 namespace {
17 
18 TEST(SymbolStringPool, UniquingAndEquality) {
19   SymbolStringPool SP;
20   auto P1 = SP.intern("hello");
21 
22   std::string S("hel");
23   S += "lo";
24   auto P2 = SP.intern(S);
25 
26   auto P3 = SP.intern("goodbye");
27 
28   EXPECT_EQ(P1, P2) << "Failed to unique entries";
29   EXPECT_NE(P1, P3) << "Inequal pooled symbol strings comparing equal";
30 }
31 
32 TEST(SymbolStringPool, ClearDeadEntries) {
33   SymbolStringPool SP;
34   {
35     auto P1 = SP.intern("s1");
36     SP.clearDeadEntries();
37     EXPECT_FALSE(SP.empty()) << "\"s1\" entry in pool should still be retained";
38   }
39   SP.clearDeadEntries();
40   EXPECT_TRUE(SP.empty()) << "pool should be empty";
41 }
42 
43 }
44