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