1// Copyright 2014 the V8 project authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#include <cmath> 6#include <limits> 7 8#include "src/objects.h" 9#include "src/objects-inl.h" 10 11#include "src/handles.h" 12#include "src/handles-inl.h" 13 14#include "src/heap/heap.h" 15#include "testing/gtest/include/gtest/gtest.h" 16 17namespace v8 { 18namespace internal { 19 20double Round(double x) { 21 // Round to three digits. 22 return floor(x * 1000 + 0.5) / 1000; 23} 24 25 26void CheckEqualRounded(double expected, double actual) { 27 expected = Round(expected); 28 actual = Round(actual); 29 EXPECT_DOUBLE_EQ(expected, actual); 30} 31 32 33TEST(Heap, HeapGrowingFactor) { 34 CheckEqualRounded(Heap::kMaxHeapGrowingFactor, 35 Heap::HeapGrowingFactor(34, 1)); 36 CheckEqualRounded(3.553, Heap::HeapGrowingFactor(45, 1)); 37 CheckEqualRounded(2.830, Heap::HeapGrowingFactor(50, 1)); 38 CheckEqualRounded(1.478, Heap::HeapGrowingFactor(100, 1)); 39 CheckEqualRounded(1.193, Heap::HeapGrowingFactor(200, 1)); 40 CheckEqualRounded(1.121, Heap::HeapGrowingFactor(300, 1)); 41 CheckEqualRounded(Heap::HeapGrowingFactor(300, 1), 42 Heap::HeapGrowingFactor(600, 2)); 43 CheckEqualRounded(Heap::kMinHeapGrowingFactor, 44 Heap::HeapGrowingFactor(400, 1)); 45} 46 47} // namespace internal 48} // namespace v8 49