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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
// -*- mode: C++ -*-
//
// Copyright 2022-2023 Google LLC
//
// Licensed under the Apache License v2.0 with LLVM Exceptions (the
// "License"); you may not use this file except in compliance with the
// License. You may obtain a copy of the License at
//
// https://llvm.org/LICENSE.txt
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Author: Giuliano Procida
#include "runtime.h"
#include <array>
#include <cstddef>
#include <sstream>
#include <string>
#include <catch2/catch.hpp>
namespace Test {
TEST_CASE("empty") {
std::ostringstream os;
{
const stg::Runtime runtime(os, true);
}
CHECK(os.str().empty());
}
TEST_CASE("times") {
const size_t count = 20;
std::ostringstream os;
{
stg::Runtime runtime(os, true);
const std::array<const stg::Time, count> timers = {
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
stg::Time(runtime, "name"),
};
}
std::istringstream is(os.str());
const std::string name = "name:";
const std::string ms = "ms";
size_t index = 0;
double last_time = 0.0;
while (is && index < count) {
std::string first;
double time;
std::string second;
is >> first >> time >> second;
CHECK(first == name);
CHECK(time > last_time);
CHECK(second == ms);
last_time = time;
++index;
}
CHECK(index == count);
std::string junk;
is >> junk;
CHECK(junk.empty());
CHECK(is.eof());
}
TEST_CASE("counters") {
std::ostringstream os;
{
stg::Runtime runtime(os, true);
stg::Counter a(runtime, "a");
stg::Counter b(runtime, "b");
stg::Counter c(runtime, "c");
const stg::Counter d(runtime, "d");
stg::Counter e(runtime, "e");
c = 17;
++b;
++b;
e = 1;
a = 3;
c += 2;
}
const std::string expected = "e: 1\nd: 0\nc: 19\nb: 2\na: 3\n";
CHECK(os.str() == expected);
}
TEST_CASE("histogram") {
std::ostringstream os;
{
stg::Runtime runtime(os, true);
stg::Histogram h(runtime, "h");
h.Add(13);
h.Add(14);
h.Add(13);
h.Add(12);
}
const std::string expected = "h: [12]=1 [13]=2 [14]=1\n";
CHECK(os.str() == expected);
}
} // namespace Test
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