| /* |
| * 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(swab, fswa) { |
| 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); |
| } |