brintos

brintos / llvm-project-archived public Read only

0
0
Text · 3.9 KiB · 7d3d29a Raw
122 lines · cpp
1//===-- MemoryTreeTests.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 9#include "support/MemoryTree.h"10#include "support/TestTracer.h"11#include "support/Trace.h"12#include "llvm/Support/Allocator.h"13#include "gmock/gmock.h"14#include "gtest/gtest.h"15#include <ostream>16 17namespace clang {18namespace clangd {19namespace {20using testing::Contains;21using testing::ElementsAre;22using testing::IsEmpty;23using testing::UnorderedElementsAre;24 25MATCHER_P2(WithNameAndSize, Name, Size, "") {26  return arg.first == Name &&27         arg.getSecond().total() == static_cast<size_t>(Size);28}29 30TEST(MemoryTree, Basics) {31  MemoryTree MT;32  EXPECT_EQ(MT.total(), 0U);33  EXPECT_THAT(MT.children(), IsEmpty());34 35  MT.addUsage(42);36  EXPECT_EQ(MT.total(), 42U);37  EXPECT_THAT(MT.children(), IsEmpty());38 39  MT.child("leaf").addUsage(1);40  EXPECT_EQ(MT.total(), 43U);41  EXPECT_THAT(MT.children(), UnorderedElementsAre(WithNameAndSize("leaf", 1)));42 43  // child should be idempotent.44  MT.child("leaf").addUsage(1);45  EXPECT_EQ(MT.total(), 44U);46  EXPECT_THAT(MT.children(), UnorderedElementsAre(WithNameAndSize("leaf", 2)));47}48 49TEST(MemoryTree, DetailedNodesWithoutDetails) {50  MemoryTree MT;51  MT.detail("should_be_ignored").addUsage(2);52  EXPECT_THAT(MT.children(), IsEmpty());53  EXPECT_EQ(MT.total(), 2U);54 55  // Make sure children from details are merged.56  MT.detail("first_detail").child("leaf").addUsage(1);57  MT.detail("second_detail").child("leaf").addUsage(1);58  EXPECT_THAT(MT.children(), Contains(WithNameAndSize("leaf", 2)));59}60 61TEST(MemoryTree, DetailedNodesWithDetails) {62  llvm::BumpPtrAllocator Alloc;63  MemoryTree MT(&Alloc);64 65  {66    auto &Detail = MT.detail("first_detail");67    Detail.child("leaf").addUsage(1);68    EXPECT_THAT(MT.children(), Contains(WithNameAndSize("first_detail", 1)));69    EXPECT_THAT(Detail.children(), Contains(WithNameAndSize("leaf", 1)));70  }71 72  {73    auto &Detail = MT.detail("second_detail");74    Detail.child("leaf").addUsage(1);75    EXPECT_THAT(MT.children(), Contains(WithNameAndSize("second_detail", 1)));76    EXPECT_THAT(Detail.children(), Contains(WithNameAndSize("leaf", 1)));77  }78}79 80TEST(MemoryTree, Record) {81  trace::TestTracer Tracer;82  static constexpr llvm::StringLiteral MetricName = "memory_usage";83  static constexpr trace::Metric OutMetric(MetricName, trace::Metric::Value,84                                           "component_name");85  auto AddNodes = [](MemoryTree Root) {86    Root.child("leaf").addUsage(1);87 88    {89      auto &Detail = Root.detail("detail");90      Detail.addUsage(1);91      Detail.child("leaf").addUsage(1);92      auto &Child = Detail.child("child");93      Child.addUsage(1);94      Child.child("leaf").addUsage(1);95    }96 97    {98      auto &Child = Root.child("child");99      Child.addUsage(1);100      Child.child("leaf").addUsage(1);101    }102    return Root;103  };104 105  llvm::BumpPtrAllocator Alloc;106  record(AddNodes(MemoryTree(&Alloc)), "root", OutMetric);107  EXPECT_THAT(Tracer.takeMetric(MetricName, "root"), ElementsAre(7));108  EXPECT_THAT(Tracer.takeMetric(MetricName, "root.leaf"), ElementsAre(1));109  EXPECT_THAT(Tracer.takeMetric(MetricName, "root.detail"), ElementsAre(4));110  EXPECT_THAT(Tracer.takeMetric(MetricName, "root.detail.leaf"),111              ElementsAre(1));112  EXPECT_THAT(Tracer.takeMetric(MetricName, "root.detail.child"),113              ElementsAre(2));114  EXPECT_THAT(Tracer.takeMetric(MetricName, "root.detail.child.leaf"),115              ElementsAre(1));116  EXPECT_THAT(Tracer.takeMetric(MetricName, "root.child"), ElementsAre(2));117  EXPECT_THAT(Tracer.takeMetric(MetricName, "root.child.leaf"), ElementsAre(1));118}119} // namespace120} // namespace clangd121} // namespace clang122