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54 lines
1.5 KiB
C++
54 lines
1.5 KiB
C++
//===----- SymbolStringPoolTest.cpp - Unit tests for SymbolStringPool -----===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ExecutionEngine/Orc/SymbolStringPool.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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using namespace llvm::orc;
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namespace {
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TEST(SymbolStringPool, UniquingAndComparisons) {
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SymbolStringPool SP;
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auto P1 = SP.intern("hello");
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std::string S("hel");
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S += "lo";
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auto P2 = SP.intern(S);
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auto P3 = SP.intern("goodbye");
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EXPECT_EQ(P1, P2) << "Failed to unique entries";
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EXPECT_NE(P1, P3) << "Inequal pooled symbol strings comparing equal";
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// We want to test that less-than comparison of SymbolStringPtrs compiles,
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// however we can't test the actual result as this is a pointer comparison and
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// SymbolStringPtr doesn't expose the underlying address of the string.
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(void)(P1 < P3);
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}
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TEST(SymbolStringPool, Dereference) {
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SymbolStringPool SP;
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auto Foo = SP.intern("foo");
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EXPECT_EQ(*Foo, "foo") << "Equality on dereferenced string failed";
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}
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TEST(SymbolStringPool, ClearDeadEntries) {
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SymbolStringPool SP;
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{
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auto P1 = SP.intern("s1");
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SP.clearDeadEntries();
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EXPECT_FALSE(SP.empty()) << "\"s1\" entry in pool should still be retained";
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}
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SP.clearDeadEntries();
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EXPECT_TRUE(SP.empty()) << "pool should be empty";
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}
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}
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