61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
/*
|
|
* Copyright (C) 2014 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include <gtest/gtest.h>
|
|
|
|
#include <linux/swab.h>
|
|
|
|
// This test makes sure that references to all of the kernel swab
|
|
// macros/inline functions that are exported work properly.
|
|
// Verifies that any kernel header updates do not break these macros.
|
|
TEST(linux_swab, smoke) {
|
|
EXPECT_EQ(0x3412U, __swab16(0x1234));
|
|
EXPECT_EQ(0x78563412U, __swab32(0x12345678U));
|
|
EXPECT_EQ(0xbaefcdab78563412ULL, __swab64(0x12345678abcdefbaULL));
|
|
|
|
__u16 bval16 = 0x1234;
|
|
EXPECT_EQ(0x3412U, __swab16p(&bval16));
|
|
__u32 bval32 = 0x12345678U;
|
|
EXPECT_EQ(0x78563412U, __swab32p(&bval32));
|
|
__u64 bval64 = 0x12345678abcdefbaULL;
|
|
EXPECT_EQ(0xbaefcdab78563412ULL, __swab64p(&bval64));
|
|
|
|
__u16 sval16 = 0x1234;
|
|
__swab16s(&sval16);
|
|
EXPECT_EQ(0x3412U, sval16);
|
|
__u32 sval32 = 0x12345678U;
|
|
__swab32s(&sval32);
|
|
EXPECT_EQ(0x78563412U, sval32);
|
|
__u64 sval64 = 0x12345678abcdefbaULL;
|
|
__swab64s(&sval64);
|
|
EXPECT_EQ(0xbaefcdab78563412ULL, sval64);
|
|
|
|
EXPECT_EQ(0x56781234U, __swahw32(0x12345678U));
|
|
EXPECT_EQ(0x34127856U, __swahb32(0x12345678U));
|
|
|
|
__u32 hval32 = 0x12345678U;
|
|
EXPECT_EQ(0x56781234U, __swahw32p(&hval32));
|
|
hval32 = 0x12345678U;
|
|
EXPECT_EQ(0x34127856U, __swahb32p(&hval32));
|
|
|
|
__u32 hsval32 = 0x12345678U;
|
|
__swahw32s(&hsval32);
|
|
EXPECT_EQ(0x56781234U, hsval32);
|
|
hsval32 = 0x12345678U;
|
|
__swahb32s(&hsval32);
|
|
EXPECT_EQ(0x34127856U, hsval32);
|
|
}
|