| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| #include "platform/assert.h" |
| #include "vm/globals.h" |
| #include "vm/bitfield.h" |
| #include "vm/unit_test.h" |
| |
| namespace dart { |
| |
| UNIT_TEST_CASE(BitFields) { |
| class TestBitFields : public BitField<int32_t, 1, 8> {}; |
| EXPECT(TestBitFields::is_valid(16)); |
| EXPECT(!TestBitFields::is_valid(256)); |
| EXPECT_EQ(0x00ffU, TestBitFields::mask()); |
| EXPECT_EQ(0x001feU, TestBitFields::mask_in_place()); |
| EXPECT_EQ(1, TestBitFields::shift()); |
| EXPECT_EQ(8, TestBitFields::bitsize()); |
| EXPECT_EQ(32U, TestBitFields::encode(16)); |
| EXPECT_EQ(16, TestBitFields::decode(32)); |
| EXPECT_EQ(2U, TestBitFields::update(1, 16)); |
| } |
| |
| } // namespace dart |