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3d1b3df948
PR-URL: https://github.com/nodejs/node/pull/15362 Reviewed-By: Myles Borins <myles.borins@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com> Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "src/compiler-dispatcher/compiler-dispatcher-tracer.h"
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#include "testing/gtest-support.h"
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namespace v8 {
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namespace internal {
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TEST(CompilerDispatcherTracerTest, EstimateWithoutSamples) {
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CompilerDispatcherTracer tracer(nullptr);
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EXPECT_EQ(0.0, tracer.EstimatePrepareToParseInMs());
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EXPECT_EQ(1.0, tracer.EstimateParseInMs(0));
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EXPECT_EQ(1.0, tracer.EstimateParseInMs(42));
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EXPECT_EQ(0.0, tracer.EstimateFinalizeParsingInMs());
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EXPECT_EQ(0.0, tracer.EstimatePrepareToCompileInMs());
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EXPECT_EQ(0.0, tracer.EstimateCompileInMs());
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EXPECT_EQ(0.0, tracer.EstimateCompileInMs());
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EXPECT_EQ(0.0, tracer.EstimateFinalizeCompilingInMs());
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}
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TEST(CompilerDispatcherTracerTest, Average) {
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CompilerDispatcherTracer tracer(nullptr);
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EXPECT_EQ(0.0, tracer.EstimatePrepareToParseInMs());
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tracer.RecordPrepareToParse(1.0);
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tracer.RecordPrepareToParse(2.0);
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tracer.RecordPrepareToParse(3.0);
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EXPECT_EQ((1.0 + 2.0 + 3.0) / 3, tracer.EstimatePrepareToParseInMs());
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}
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TEST(CompilerDispatcherTracerTest, SizeBasedAverage) {
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CompilerDispatcherTracer tracer(nullptr);
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EXPECT_EQ(1.0, tracer.EstimateParseInMs(100));
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// All three samples parse 100 units/ms.
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tracer.RecordParse(1.0, 100);
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tracer.RecordParse(2.0, 200);
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tracer.RecordParse(3.0, 300);
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EXPECT_EQ(1.0, tracer.EstimateParseInMs(100));
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EXPECT_EQ(5.0, tracer.EstimateParseInMs(500));
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}
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} // namespace internal
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} // namespace v8
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