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//===----- SymbolStringPoolTest.cpp - Unit tests for SymbolStringPool -----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/ExecutionEngine/Orc/SymbolStringPool.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace llvm::orc;
namespace {
TEST(SymbolStringPool, UniquingAndComparisons) {
SymbolStringPool SP;
auto P1 = SP.intern("hello");
std::string S("hel");
S += "lo";
auto P2 = SP.intern(S);
auto P3 = SP.intern("goodbye");
EXPECT_EQ(P1, P2) << "Failed to unique entries";
EXPECT_NE(P1, P3) << "Inequal pooled symbol strings comparing equal";
// We want to test that less-than comparison of SymbolStringPtrs compiles,
// however we can't test the actual result as this is a pointer comparison and
// SymbolStringPtr doesn't expose the underlying address of the string.
(void)(P1 < P3);
}
TEST(SymbolStringPool, Dereference) {
SymbolStringPool SP;
auto Foo = SP.intern("foo");
EXPECT_EQ(*Foo, "foo") << "Equality on dereferenced string failed";
}
TEST(SymbolStringPool, ClearDeadEntries) {
SymbolStringPool SP;
{
auto P1 = SP.intern("s1");
SP.clearDeadEntries();
EXPECT_FALSE(SP.empty()) << "\"s1\" entry in pool should still be retained";
}
SP.clearDeadEntries();
EXPECT_TRUE(SP.empty()) << "pool should be empty";
}
}
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