/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "gtest/gtest.h" #include "ProfileEntry.h" #include "ThreadProfile.h" // Make sure we can initialize our ThreadProfile TEST(ThreadProfile, Initialization) { PseudoStack* stack = PseudoStack::create(); Thread::tid_t tid = 1000; ThreadInfo info("testThread", tid, true, stack, nullptr); RefPtr<ProfileBuffer> pb = new ProfileBuffer(10); ThreadProfile tp(&info, pb); } // Make sure we can record one tag and read it TEST(ThreadProfile, InsertOneTag) { PseudoStack* stack = PseudoStack::create(); Thread::tid_t tid = 1000; ThreadInfo info("testThread", tid, true, stack, nullptr); RefPtr<ProfileBuffer> pb = new ProfileBuffer(10); pb->addTag(ProfileEntry('t', 123.1)); ASSERT_TRUE(pb->mEntries != nullptr); ASSERT_TRUE(pb->mEntries[pb->mReadPos].mTagName == 't'); ASSERT_TRUE(pb->mEntries[pb->mReadPos].mTagDouble == 123.1); } // See if we can insert some tags TEST(ThreadProfile, InsertTagsNoWrap) { PseudoStack* stack = PseudoStack::create(); Thread::tid_t tid = 1000; ThreadInfo info("testThread", tid, true, stack, nullptr); RefPtr<ProfileBuffer> pb = new ProfileBuffer(100); int test_size = 50; for (int i = 0; i < test_size; i++) { pb->addTag(ProfileEntry('t', i)); } ASSERT_TRUE(pb->mEntries != nullptr); int readPos = pb->mReadPos; while (readPos != pb->mWritePos) { ASSERT_TRUE(pb->mEntries[readPos].mTagName == 't'); ASSERT_TRUE(pb->mEntries[readPos].mTagInt == readPos); readPos = (readPos + 1) % pb->mEntrySize; } } // See if wrapping works as it should in the basic case TEST(ThreadProfile, InsertTagsWrap) { PseudoStack* stack = PseudoStack::create(); Thread::tid_t tid = 1000; // we can fit only 24 tags in this buffer because of the empty slot int tags = 24; int buffer_size = tags + 1; ThreadInfo info("testThread", tid, true, stack, nullptr); RefPtr<ProfileBuffer> pb = new ProfileBuffer(buffer_size); int test_size = 43; for (int i = 0; i < test_size; i++) { pb->addTag(ProfileEntry('t', i)); } ASSERT_TRUE(pb->mEntries != nullptr); int readPos = pb->mReadPos; int ctr = 0; while (readPos != pb->mWritePos) { ASSERT_TRUE(pb->mEntries[readPos].mTagName == 't'); // the first few tags were discarded when we wrapped ASSERT_TRUE(pb->mEntries[readPos].mTagInt == ctr + (test_size - tags)); ctr++; readPos = (readPos + 1) % pb->mEntrySize; } }