v8/test/unittests/heap/heap-unittest.cc
2015-06-15 08:32:59 +00:00

49 lines
1.3 KiB
C++

// Copyright 2014 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 <cmath>
#include <limits>
#include "src/objects.h"
#include "src/objects-inl.h"
#include "src/handles.h"
#include "src/handles-inl.h"
#include "src/heap/heap.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace v8 {
namespace internal {
double Round(double x) {
// Round to three digits.
return floor(x * 1000 + 0.5) / 1000;
}
void CheckEqualRounded(double expected, double actual) {
expected = Round(expected);
actual = Round(actual);
EXPECT_DOUBLE_EQ(expected, actual);
}
TEST(Heap, HeapGrowingFactor) {
CheckEqualRounded(Heap::kMaxHeapGrowingFactor,
Heap::HeapGrowingFactor(34, 1));
CheckEqualRounded(3.553, Heap::HeapGrowingFactor(45, 1));
CheckEqualRounded(2.830, Heap::HeapGrowingFactor(50, 1));
CheckEqualRounded(1.478, Heap::HeapGrowingFactor(100, 1));
CheckEqualRounded(1.193, Heap::HeapGrowingFactor(200, 1));
CheckEqualRounded(1.121, Heap::HeapGrowingFactor(300, 1));
CheckEqualRounded(Heap::HeapGrowingFactor(300, 1),
Heap::HeapGrowingFactor(600, 2));
CheckEqualRounded(Heap::kMinHeapGrowingFactor,
Heap::HeapGrowingFactor(400, 1));
}
} // namespace internal
} // namespace v8