diff options
Diffstat (limited to 'test/core/support/useful_test.cc')
-rw-r--r-- | test/core/support/useful_test.cc | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/test/core/support/useful_test.cc b/test/core/support/useful_test.cc new file mode 100644 index 0000000000..2f86010d77 --- /dev/null +++ b/test/core/support/useful_test.cc @@ -0,0 +1,58 @@ +/* + * + * Copyright 2015 gRPC authors. + * + * 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 <grpc/support/log.h> +#include <grpc/support/port_platform.h> +#include <grpc/support/useful.h> +#include "test/core/util/test_config.h" + +int main(int argc, char** argv) { + int four[4]; + int five[5]; + uint32_t bitset = 0; + grpc_test_init(argc, argv); + + GPR_ASSERT(GPR_MIN(1, 2) == 1); + GPR_ASSERT(GPR_MAX(1, 2) == 2); + GPR_ASSERT(GPR_MIN(2, 1) == 1); + GPR_ASSERT(GPR_MAX(2, 1) == 2); + GPR_ASSERT(GPR_CLAMP(1, 0, 2) == 1); + GPR_ASSERT(GPR_CLAMP(0, 0, 2) == 0); + GPR_ASSERT(GPR_CLAMP(2, 0, 2) == 2); + GPR_ASSERT(GPR_CLAMP(-1, 0, 2) == 0); + GPR_ASSERT(GPR_CLAMP(3, 0, 2) == 2); + GPR_ASSERT(GPR_ROTL((uint32_t)0x80000001, 1) == 3); + GPR_ASSERT(GPR_ROTR((uint32_t)0x80000001, 1) == 0xc0000000); + GPR_ASSERT(GPR_ARRAY_SIZE(four) == 4); + GPR_ASSERT(GPR_ARRAY_SIZE(five) == 5); + + GPR_ASSERT(GPR_BITCOUNT((1u << 31) - 1) == 31); + GPR_ASSERT(GPR_BITCOUNT(1u << 3) == 1); + GPR_ASSERT(GPR_BITCOUNT(0) == 0); + + GPR_ASSERT(GPR_BITSET(&bitset, 3) == 8); + GPR_ASSERT(GPR_BITCOUNT(bitset) == 1); + GPR_ASSERT(GPR_BITGET(bitset, 3) == 1); + GPR_ASSERT(GPR_BITSET(&bitset, 1) == 10); + GPR_ASSERT(GPR_BITCOUNT(bitset) == 2); + GPR_ASSERT(GPR_BITCLEAR(&bitset, 3) == 2); + GPR_ASSERT(GPR_BITCOUNT(bitset) == 1); + GPR_ASSERT(GPR_BITGET(bitset, 3) == 0); + + return 0; +} |