/
resource-constraints-unittest.cc
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/
resource-constraints-unittest.cc
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// Copyright 2017 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 "testing/gtest/include/gtest/gtest.h"
#include "include/v8-platform.h"
#include "include/v8.h"
#include "src/heap/heap.h"
namespace v8 {
/* These tests do not apply on Node 12.
TEST(ResourceConstraints, ConfigureDefaultsFromHeapSizeSmall) {
const size_t KB = static_cast<size_t>(i::KB);
const size_t MB = static_cast<size_t>(i::MB);
const size_t pm = i::Heap::kPointerMultiplier;
v8::ResourceConstraints constraints;
constraints.ConfigureDefaultsFromHeapSize(1 * MB, 1 * MB);
ASSERT_EQ(i::Heap::MinOldGenerationSize(),
constraints.max_old_generation_size_in_bytes());
ASSERT_EQ(3 * 512 * pm * KB,
constraints.max_young_generation_size_in_bytes());
ASSERT_EQ(0u, constraints.initial_old_generation_size_in_bytes());
ASSERT_EQ(0u, constraints.initial_young_generation_size_in_bytes());
}
TEST(ResourceConstraints, ConfigureDefaultsFromHeapSizeLarge) {
const size_t KB = static_cast<size_t>(i::KB);
const size_t MB = static_cast<size_t>(i::MB);
const size_t pm = i::Heap::kPointerMultiplier;
v8::ResourceConstraints constraints;
constraints.ConfigureDefaultsFromHeapSize(100u * MB, 3000u * MB);
ASSERT_EQ(3000u * MB - 3 * 8192 * pm * KB,
constraints.max_old_generation_size_in_bytes());
ASSERT_EQ(3 * 8192 * pm * KB,
constraints.max_young_generation_size_in_bytes());
ASSERT_EQ(100u * MB - 3 * 512 * pm * KB,
constraints.initial_old_generation_size_in_bytes());
ASSERT_EQ(3 * 512 * pm * KB,
constraints.initial_young_generation_size_in_bytes());
}
*/
TEST(ResourceConstraints, ConfigureDefaults) {
const size_t KB = static_cast<size_t>(i::KB);
const size_t MB = static_cast<size_t>(i::MB);
const size_t pm = i::Heap::kPointerMultiplier;
v8::ResourceConstraints constraints;
constraints.ConfigureDefaults(2048u * MB, 0u);
ASSERT_EQ(512u * pm * MB, constraints.max_old_generation_size_in_bytes());
ASSERT_EQ(3 * 4096 * pm * KB,
constraints.max_young_generation_size_in_bytes());
ASSERT_EQ(0u, constraints.initial_old_generation_size_in_bytes());
ASSERT_EQ(0u, constraints.initial_young_generation_size_in_bytes());
}
} // namespace v8