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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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314 lines
10 KiB
314 lines
10 KiB
/* |
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* |
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* Copyright 2015 gRPC authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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#include <grpc/support/port_platform.h> |
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#include <grpc/slice.h> |
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#include <inttypes.h> |
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#include <string.h> |
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#include <grpc/grpc.h> |
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#include <grpc/support/alloc.h> |
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#include <grpc/support/log.h> |
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#include "src/core/lib/slice/slice_internal.h" |
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#include "src/core/lib/transport/static_metadata.h" |
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#include "test/core/util/test_config.h" |
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#define LOG_TEST_NAME(x) gpr_log(GPR_INFO, "%s", x); |
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static void test_slice_malloc_returns_something_sensible(void) { |
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/* Calls grpc_slice_create for various lengths and verifies the internals for |
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consistency. */ |
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size_t length; |
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size_t i; |
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grpc_slice slice; |
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LOG_TEST_NAME("test_slice_malloc_returns_something_sensible"); |
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for (length = 0; length <= 1024; length++) { |
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slice = grpc_slice_malloc(length); |
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/* If there is a length, slice.data must be non-NULL. If length is zero |
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we don't care. */ |
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if (length > GRPC_SLICE_INLINED_SIZE) { |
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GPR_ASSERT(slice.data.refcounted.bytes); |
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} |
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/* Returned slice length must be what was requested. */ |
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GPR_ASSERT(GRPC_SLICE_LENGTH(slice) == length); |
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/* If the slice has a refcount, it must be destroyable. */ |
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if (slice.refcount) { |
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GPR_ASSERT(slice.refcount->vtable != nullptr); |
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GPR_ASSERT(slice.refcount->vtable->ref != nullptr); |
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GPR_ASSERT(slice.refcount->vtable->unref != nullptr); |
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GPR_ASSERT(slice.refcount->vtable->hash != nullptr); |
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} |
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/* We must be able to write to every byte of the data */ |
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for (i = 0; i < length; i++) { |
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GRPC_SLICE_START_PTR(slice)[i] = static_cast<uint8_t>(i); |
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} |
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/* And finally we must succeed in destroying the slice */ |
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grpc_slice_unref(slice); |
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} |
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} |
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static void do_nothing(void* ignored) {} |
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static void test_slice_new_returns_something_sensible(void) { |
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uint8_t x; |
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grpc_slice slice = grpc_slice_new(&x, 1, do_nothing); |
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GPR_ASSERT(slice.refcount); |
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GPR_ASSERT(slice.data.refcounted.bytes == &x); |
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GPR_ASSERT(slice.data.refcounted.length == 1); |
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grpc_slice_unref(slice); |
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} |
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/* destroy function that sets a mark to indicate it was called. */ |
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static void set_mark(void* p) { *(static_cast<int*>(p)) = 1; } |
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static void test_slice_new_with_user_data(void) { |
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int marker = 0; |
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uint8_t buf[2]; |
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grpc_slice slice; |
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buf[0] = 0; |
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buf[1] = 1; |
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slice = grpc_slice_new_with_user_data(buf, 2, set_mark, &marker); |
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GPR_ASSERT(marker == 0); |
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GPR_ASSERT(GRPC_SLICE_LENGTH(slice) == 2); |
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GPR_ASSERT(GRPC_SLICE_START_PTR(slice)[0] == 0); |
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GPR_ASSERT(GRPC_SLICE_START_PTR(slice)[1] == 1); |
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/* unref should cause destroy function to run. */ |
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grpc_slice_unref(slice); |
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GPR_ASSERT(marker == 1); |
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} |
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static int do_nothing_with_len_1_calls = 0; |
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static void do_nothing_with_len_1(void* ignored, size_t len) { |
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GPR_ASSERT(len == 1); |
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do_nothing_with_len_1_calls++; |
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} |
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static void test_slice_new_with_len_returns_something_sensible(void) { |
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uint8_t x; |
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int num_refs = 5; /* To test adding/removing an arbitrary number of refs */ |
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int i; |
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grpc_slice slice = grpc_slice_new_with_len(&x, 1, do_nothing_with_len_1); |
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GPR_ASSERT(slice.refcount); /* ref count is initialized to 1 at this point */ |
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GPR_ASSERT(slice.data.refcounted.bytes == &x); |
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GPR_ASSERT(slice.data.refcounted.length == 1); |
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GPR_ASSERT(do_nothing_with_len_1_calls == 0); |
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/* Add an arbitrary number of refs to the slice and remoe the refs. This is to |
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make sure that that the destroy callback (i.e do_nothing_with_len_1()) is |
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not called until the last unref operation */ |
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for (i = 0; i < num_refs; i++) { |
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grpc_slice_ref(slice); |
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} |
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for (i = 0; i < num_refs; i++) { |
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grpc_slice_unref(slice); |
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} |
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GPR_ASSERT(do_nothing_with_len_1_calls == 0); /* Shouldn't be called yet */ |
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/* last unref */ |
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grpc_slice_unref(slice); |
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GPR_ASSERT(do_nothing_with_len_1_calls == 1); |
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} |
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static void test_slice_sub_works(unsigned length) { |
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grpc_slice slice; |
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grpc_slice sub; |
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unsigned i, j, k; |
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LOG_TEST_NAME("test_slice_sub_works"); |
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gpr_log(GPR_INFO, "length=%d", length); |
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/* Create a slice in which each byte is equal to the distance from it to the |
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beginning of the slice. */ |
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slice = grpc_slice_malloc(length); |
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for (i = 0; i < length; i++) { |
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GRPC_SLICE_START_PTR(slice)[i] = static_cast<uint8_t>(i); |
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} |
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/* Ensure that for all subsets length is correct and that we start on the |
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correct byte. Additionally check that no copies were made. */ |
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for (i = 0; i < length; i++) { |
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for (j = i; j < length; j++) { |
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sub = grpc_slice_sub(slice, i, j); |
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GPR_ASSERT(GRPC_SLICE_LENGTH(sub) == j - i); |
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for (k = 0; k < j - i; k++) { |
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GPR_ASSERT(GRPC_SLICE_START_PTR(sub)[k] == (uint8_t)(i + k)); |
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} |
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grpc_slice_unref(sub); |
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} |
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} |
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grpc_slice_unref(slice); |
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} |
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static void check_head_tail(grpc_slice slice, grpc_slice head, |
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grpc_slice tail) { |
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GPR_ASSERT(GRPC_SLICE_LENGTH(slice) == |
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GRPC_SLICE_LENGTH(head) + GRPC_SLICE_LENGTH(tail)); |
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GPR_ASSERT(0 == memcmp(GRPC_SLICE_START_PTR(slice), |
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GRPC_SLICE_START_PTR(head), GRPC_SLICE_LENGTH(head))); |
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GPR_ASSERT(0 == memcmp(GRPC_SLICE_START_PTR(slice) + GRPC_SLICE_LENGTH(head), |
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GRPC_SLICE_START_PTR(tail), GRPC_SLICE_LENGTH(tail))); |
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} |
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static void test_slice_split_head_works(size_t length) { |
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grpc_slice slice; |
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grpc_slice head, tail; |
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size_t i; |
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LOG_TEST_NAME("test_slice_split_head_works"); |
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gpr_log(GPR_INFO, "length=%" PRIuPTR, length); |
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/* Create a slice in which each byte is equal to the distance from it to the |
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beginning of the slice. */ |
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slice = grpc_slice_malloc(length); |
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for (i = 0; i < length; i++) { |
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GRPC_SLICE_START_PTR(slice)[i] = static_cast<uint8_t>(i); |
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} |
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/* Ensure that for all subsets length is correct and that we start on the |
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correct byte. Additionally check that no copies were made. */ |
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for (i = 0; i < length; i++) { |
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tail = grpc_slice_ref(slice); |
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head = grpc_slice_split_head(&tail, i); |
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check_head_tail(slice, head, tail); |
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grpc_slice_unref(tail); |
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grpc_slice_unref(head); |
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} |
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grpc_slice_unref(slice); |
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} |
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static void test_slice_split_tail_works(size_t length) { |
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grpc_slice slice; |
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grpc_slice head, tail; |
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size_t i; |
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LOG_TEST_NAME("test_slice_split_tail_works"); |
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gpr_log(GPR_INFO, "length=%" PRIuPTR, length); |
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/* Create a slice in which each byte is equal to the distance from it to the |
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beginning of the slice. */ |
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slice = grpc_slice_malloc(length); |
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for (i = 0; i < length; i++) { |
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GRPC_SLICE_START_PTR(slice)[i] = static_cast<uint8_t>(i); |
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} |
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/* Ensure that for all subsets length is correct and that we start on the |
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correct byte. Additionally check that no copies were made. */ |
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for (i = 0; i < length; i++) { |
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head = grpc_slice_ref(slice); |
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tail = grpc_slice_split_tail(&head, i); |
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check_head_tail(slice, head, tail); |
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grpc_slice_unref(tail); |
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grpc_slice_unref(head); |
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} |
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grpc_slice_unref(slice); |
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} |
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static void test_slice_from_copied_string_works(void) { |
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static const char* text = "HELLO WORLD!"; |
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grpc_slice slice; |
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LOG_TEST_NAME("test_slice_from_copied_string_works"); |
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slice = grpc_slice_from_copied_string(text); |
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GPR_ASSERT(strlen(text) == GRPC_SLICE_LENGTH(slice)); |
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GPR_ASSERT( |
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0 == memcmp(text, GRPC_SLICE_START_PTR(slice), GRPC_SLICE_LENGTH(slice))); |
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grpc_slice_unref(slice); |
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} |
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static void test_slice_interning(void) { |
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LOG_TEST_NAME("test_slice_interning"); |
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grpc_init(); |
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grpc_slice src1 = grpc_slice_from_copied_string("hello123456789123456789"); |
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grpc_slice src2 = grpc_slice_from_copied_string("hello123456789123456789"); |
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GPR_ASSERT(GRPC_SLICE_START_PTR(src1) != GRPC_SLICE_START_PTR(src2)); |
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grpc_slice interned1 = grpc_slice_intern(src1); |
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grpc_slice interned2 = grpc_slice_intern(src2); |
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GPR_ASSERT(GRPC_SLICE_START_PTR(interned1) == |
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GRPC_SLICE_START_PTR(interned2)); |
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GPR_ASSERT(GRPC_SLICE_START_PTR(interned1) != GRPC_SLICE_START_PTR(src1)); |
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GPR_ASSERT(GRPC_SLICE_START_PTR(interned2) != GRPC_SLICE_START_PTR(src2)); |
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grpc_slice_unref(src1); |
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grpc_slice_unref(src2); |
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grpc_slice_unref(interned1); |
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grpc_slice_unref(interned2); |
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grpc_shutdown(); |
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} |
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static void test_static_slice_interning(void) { |
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LOG_TEST_NAME("test_static_slice_interning"); |
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// grpc_init/grpc_shutdown deliberately omitted: they should not be necessary |
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// to intern a static slice |
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for (size_t i = 0; i < GRPC_STATIC_MDSTR_COUNT; i++) { |
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GPR_ASSERT(grpc_slice_is_equivalent( |
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grpc_static_slice_table[i], |
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grpc_slice_intern(grpc_static_slice_table[i]))); |
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} |
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} |
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static void test_static_slice_copy_interning(void) { |
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LOG_TEST_NAME("test_static_slice_copy_interning"); |
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grpc_init(); |
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for (size_t i = 0; i < GRPC_STATIC_MDSTR_COUNT; i++) { |
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grpc_slice copy = grpc_slice_dup(grpc_static_slice_table[i]); |
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GPR_ASSERT(grpc_static_slice_table[i].refcount != copy.refcount); |
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GPR_ASSERT(grpc_static_slice_table[i].refcount == |
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grpc_slice_intern(copy).refcount); |
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grpc_slice_unref(copy); |
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} |
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grpc_shutdown(); |
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} |
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int main(int argc, char** argv) { |
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unsigned length; |
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grpc_test_init(argc, argv); |
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grpc_init(); |
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test_slice_malloc_returns_something_sensible(); |
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test_slice_new_returns_something_sensible(); |
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test_slice_new_with_user_data(); |
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test_slice_new_with_len_returns_something_sensible(); |
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for (length = 0; length < 128; length++) { |
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test_slice_sub_works(length); |
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test_slice_split_head_works(length); |
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test_slice_split_tail_works(length); |
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} |
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test_slice_from_copied_string_works(); |
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test_slice_interning(); |
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test_static_slice_interning(); |
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test_static_slice_copy_interning(); |
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grpc_shutdown(); |
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return 0; |
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}
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