1// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2// for details. All rights reserved. Use of this source code is governed by a
3// BSD-style license that can be found in the LICENSE file.
4
5#include "platform/assert.h"
6
7#include "vm/bitfield.h"
8#include "vm/globals.h"
9#include "vm/unit_test.h"
10
11namespace dart {
12
13VM_UNIT_TEST_CASE(BitFields) {
14 class TestBitFields : public BitField<uword, int32_t, 1, 8> {};
15 EXPECT(TestBitFields::is_valid(16));
16 EXPECT(!TestBitFields::is_valid(256));
17 EXPECT_EQ(0x00ffU, TestBitFields::mask());
18 EXPECT_EQ(0x001feU, TestBitFields::mask_in_place());
19 EXPECT_EQ(1, TestBitFields::shift());
20 EXPECT_EQ(8, TestBitFields::bitsize());
21 EXPECT_EQ(32U, TestBitFields::encode(16));
22 EXPECT_EQ(16, TestBitFields::decode(32));
23 EXPECT_EQ(2U, TestBitFields::update(1, 16));
24}
25
26} // namespace dart
27