node/deps/v8/test/unittests/compiler-dispatcher/compiler-dispatcher-tracer-unittest.cc
Michaël Zasso 4c4af643e5
deps: update V8 to 6.4.388.40
PR-URL: https://github.com/nodejs/node/pull/17489
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Myles Borins <myles.borins@gmail.com>
Reviewed-By: Ali Ijaz Sheikh <ofrobots@google.com>
2018-01-24 15:02:20 -08:00

48 lines
1.3 KiB
C++

// Copyright 2016 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/compiler-dispatcher/compiler-dispatcher-tracer.h"
#include "testing/gtest-support.h"
namespace v8 {
namespace internal {
TEST(CompilerDispatcherTracerTest, EstimateWithoutSamples) {
CompilerDispatcherTracer tracer(nullptr);
EXPECT_EQ(0.0, tracer.EstimatePrepareInMs());
EXPECT_EQ(1.0, tracer.EstimateCompileInMs(1));
EXPECT_EQ(1.0, tracer.EstimateCompileInMs(42));
EXPECT_EQ(0.0, tracer.EstimateFinalizeInMs());
}
TEST(CompilerDispatcherTracerTest, Average) {
CompilerDispatcherTracer tracer(nullptr);
EXPECT_EQ(0.0, tracer.EstimatePrepareInMs());
tracer.RecordPrepare(1.0);
tracer.RecordPrepare(2.0);
tracer.RecordPrepare(3.0);
EXPECT_EQ((1.0 + 2.0 + 3.0) / 3, tracer.EstimatePrepareInMs());
}
TEST(CompilerDispatcherTracerTest, SizeBasedAverage) {
CompilerDispatcherTracer tracer(nullptr);
EXPECT_EQ(1.0, tracer.EstimateCompileInMs(100));
// All three samples parse 100 units/ms.
tracer.RecordCompile(1.0, 100);
tracer.RecordCompile(2.0, 200);
tracer.RecordCompile(3.0, 300);
EXPECT_EQ(1.0, tracer.EstimateCompileInMs(100));
EXPECT_EQ(5.0, tracer.EstimateCompileInMs(500));
}
} // namespace internal
} // namespace v8