38 lines · cpp
1//===-- ContextCompressionTest.cpp -------------------------------*- C++ -*-===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8#include "../tools/llvm-profgen/ProfileGenerator.h"9#include "llvm/DebugInfo/Symbolize/SymbolizableModule.h"10#include "gtest/gtest.h"11 12using namespace llvm;13using namespace sampleprof;14 15TEST(TestCompression, TestNoSizeLimit1) {16 SmallVector<std::string, 16> Context = {"a", "b", "c", "a", "b", "c"};17 SmallVector<std::string, 16> Expect = {"a", "b", "c"};18 CSProfileGenerator::compressRecursionContext(Context, -1);19 EXPECT_TRUE(std::equal(Context.begin(), Context.end(), Expect.begin()));20}21 22TEST(TestCompression, TestNoSizeLimit2) {23 SmallVector<std::string, 16> Context = {"m", "a", "a", "b", "c", "a",24 "b", "c", "b", "c", "d"};25 SmallVector<std::string, 16> Expect = {"m", "a", "b", "c", "d"};26 CSProfileGenerator::compressRecursionContext(Context, -1);27 EXPECT_TRUE(std::equal(Context.begin(), Context.end(), Expect.begin()));28}29 30TEST(TestCompression, TestMaxDedupSize) {31 SmallVector<std::string, 16> Context = {"m", "a", "a", "b", "c", "a",32 "b", "c", "b", "c", "d"};33 SmallVector<std::string, 16> Expect = {"m", "a", "b", "c",34 "a", "b", "c", "d"};35 CSProfileGenerator::compressRecursionContext(Context, 2);36 EXPECT_TRUE(std::equal(Context.begin(), Context.end(), Expect.begin()));37}38