15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2009 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Tests for the bitfield helper class. 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "testing/gtest/include/gtest/gtest.h" 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "gpu/command_buffer/common/bitfield_helpers.h" 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace gpu { 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Tests that BitField<>::Get returns the right bits. 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST(BitFieldTest, TestGet) { 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned int value = 0x12345678u; 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0x8u, (BitField<0, 4>::Get(value))); 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0x45u, (BitField<12, 8>::Get(value))); 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0x12345678u, (BitField<0, 32>::Get(value))); 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Tests that BitField<>::MakeValue generates the right bits. 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST(BitFieldTest, TestMakeValue) { 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0x00000003u, (BitField<0, 4>::MakeValue(0x3))); 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0x00023000u, (BitField<12, 8>::MakeValue(0x123))); 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0x87654321u, (BitField<0, 32>::MakeValue(0x87654321))); 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Tests that BitField<>::Set modifies the right bits. 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)TEST(BitFieldTest, TestSet) { 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) unsigned int value = 0x12345678u; 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BitField<0, 4>::Set(&value, 0x9); 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0x12345679u, value); 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BitField<12, 8>::Set(&value, 0x123); 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0x12323679u, value); 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BitField<0, 32>::Set(&value, 0x87654321); 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) EXPECT_EQ(0x87654321u, value); 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)} // namespace gpu 39