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