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//===-- ContextCompressionTest.cpp -------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "../tools/llvm-profgen/ProfileGenerator.h"
#include "gtest/gtest.h"
using namespace llvm;
using namespace sampleprof;
TEST(TestCompression, TestNoSizeLimit1) {
SmallVector<std::string, 16> Context = {"a", "b", "c", "a", "b", "c"};
SmallVector<std::string, 16> Expect = {"a", "b", "c"};
CSProfileGenerator::compressRecursionContext(Context, -1);
EXPECT_TRUE(std::equal(Context.begin(), Context.end(), Expect.begin()));
}
TEST(TestCompression, TestNoSizeLimit2) {
SmallVector<std::string, 16> Context = {"m", "a", "a", "b", "c", "a",
"b", "c", "b", "c", "d"};
SmallVector<std::string, 16> Expect = {"m", "a", "b", "c", "d"};
CSProfileGenerator::compressRecursionContext(Context, -1);
EXPECT_TRUE(std::equal(Context.begin(), Context.end(), Expect.begin()));
}
TEST(TestCompression, TestMaxDedupSize) {
SmallVector<std::string, 16> Context = {"m", "a", "a", "b", "c", "a",
"b", "c", "b", "c", "d"};
SmallVector<std::string, 16> Expect = {"m", "a", "b", "c",
"a", "b", "c", "d"};
CSProfileGenerator::compressRecursionContext(Context, 2);
EXPECT_TRUE(std::equal(Context.begin(), Context.end(), Expect.begin()));
}
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