diff options
Diffstat (limited to 'gpu/command_buffer/common/bitfield_helpers_test.cc')
| -rw-r--r-- | gpu/command_buffer/common/bitfield_helpers_test.cc | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/gpu/command_buffer/common/bitfield_helpers_test.cc b/gpu/command_buffer/common/bitfield_helpers_test.cc new file mode 100644 index 0000000..779b540 --- /dev/null +++ b/gpu/command_buffer/common/bitfield_helpers_test.cc @@ -0,0 +1,66 @@ +/* + * Copyright 2009, Google Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Google Inc. nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + + +// Tests for the bitfield helper class. + +#include "testing/gtest/include/gtest/gtest.h" +#include "gpu/command_buffer/common/bitfield_helpers.h" + +namespace command_buffer { + +// Tests that BitField<>::Get returns the right bits. +TEST(BitFieldTest, TestGet) { + unsigned int value = 0x12345678u; + EXPECT_EQ(0x8u, (BitField<0, 4>::Get(value))); + EXPECT_EQ(0x45u, (BitField<12, 8>::Get(value))); + EXPECT_EQ(0x12345678u, (BitField<0, 32>::Get(value))); +} + +// Tests that BitField<>::MakeValue generates the right bits. +TEST(BitFieldTest, TestMakeValue) { + EXPECT_EQ(0x00000003u, (BitField<0, 4>::MakeValue(0x3))); + EXPECT_EQ(0x00023000u, (BitField<12, 8>::MakeValue(0x123))); + EXPECT_EQ(0x87654321u, (BitField<0, 32>::MakeValue(0x87654321))); +} + +// Tests that BitField<>::Set modifies the right bits. +TEST(BitFieldTest, TestSet) { + unsigned int value = 0x12345678u; + BitField<0, 4>::Set(&value, 0x9); + EXPECT_EQ(0x12345679u, value); + BitField<12, 8>::Set(&value, 0x123); + EXPECT_EQ(0x12323679u, value); + BitField<0, 32>::Set(&value, 0x87654321); + EXPECT_EQ(0x87654321u, value); +} + +} // namespace command_buffer |