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/*
*
* 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/grpc.h>
#include <grpc/slice_buffer.h>
#include <grpc/support/log.h>
#include "test/core/util/test_config.h"
void test_slice_buffer_add() {
grpc_slice_buffer buf;
grpc_slice aaa = grpc_slice_from_copied_string("aaa");
grpc_slice bb = grpc_slice_from_copied_string("bb");
size_t i;
grpc_slice_buffer_init(&buf);
for (i = 0; i < 10; i++) {
grpc_slice_ref(aaa);
grpc_slice_ref(bb);
grpc_slice_buffer_add(&buf, aaa);
grpc_slice_buffer_add(&buf, bb);
}
GPR_ASSERT(buf.count > 0);
GPR_ASSERT(buf.length == 50);
grpc_slice_buffer_reset_and_unref(&buf);
GPR_ASSERT(buf.count == 0);
GPR_ASSERT(buf.length == 0);
for (i = 0; i < 10; i++) {
grpc_slice_ref(aaa);
grpc_slice_ref(bb);
grpc_slice_buffer_add(&buf, aaa);
grpc_slice_buffer_add(&buf, bb);
}
GPR_ASSERT(buf.count > 0);
GPR_ASSERT(buf.length == 50);
for (i = 0; i < 10; i++) {
grpc_slice_buffer_pop(&buf);
grpc_slice_unref(aaa);
grpc_slice_unref(bb);
}
GPR_ASSERT(buf.count == 0);
GPR_ASSERT(buf.length == 0);
grpc_slice_buffer_destroy(&buf);
}
void test_slice_buffer_move_first() {
grpc_slice slices[3];
grpc_slice_buffer src;
grpc_slice_buffer dst;
int idx = 0;
size_t src_len = 0;
size_t dst_len = 0;
slices[0] = grpc_slice_from_copied_string("aaa");
slices[1] = grpc_slice_from_copied_string("bbbb");
slices[2] = grpc_slice_from_copied_string("ccc");
grpc_slice_buffer_init(&src);
grpc_slice_buffer_init(&dst);
for (idx = 0; idx < 3; idx++) {
grpc_slice_ref(slices[idx]);
/* For this test, it is important that we add each slice at a new
slice index */
grpc_slice_buffer_add_indexed(&src, slices[idx]);
grpc_slice_buffer_add_indexed(&dst, slices[idx]);
}
/* Case 1: Move more than the first slice's length from src to dst */
src_len = src.length;
dst_len = dst.length;
grpc_slice_buffer_move_first(&src, 4, &dst);
src_len -= 4;
dst_len += 4;
GPR_ASSERT(src.length == src_len);
GPR_ASSERT(dst.length == dst_len);
/* src now has two slices ["bbb"] and ["ccc"] */
/* Case 2: Move the first slice from src to dst */
grpc_slice_buffer_move_first(&src, 3, &dst);
src_len -= 3;
dst_len += 3;
GPR_ASSERT(src.length == src_len);
GPR_ASSERT(dst.length == dst_len);
/* src now has one slice ["ccc"] */
/* Case 3: Move less than the first slice's length from src to dst*/
grpc_slice_buffer_move_first(&src, 2, &dst);
src_len -= 2;
dst_len += 2;
GPR_ASSERT(src.length == src_len);
GPR_ASSERT(dst.length == dst_len);
}
int main(int argc, char** argv) {
grpc_test_init(argc, argv);
grpc_init();
test_slice_buffer_add();
test_slice_buffer_move_first();
grpc_shutdown();
return 0;
}
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