pw_tokenizer/tokenize_test_c.c

// Copyright 2020 The Pigweed 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
//
//     https://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.

// This function tests the C implementation of tokenization API. These functions
// are called from the main C++ test file.

#include "pw_tokenizer/tokenize.h"
#include "pw_tokenizer_private/tokenize_test.h"

#ifdef __cplusplus
#error "This is a test of C code and must be compiled as C, not C++."
#endif  // __cplusplus

void pw_tokenizer_ToBufferTest_StringShortFloat(void* buffer,
                                                size_t* buffer_size) {
  char str[] = "1";
  PW_TOKENIZE_TO_BUFFER(
      buffer, buffer_size, TEST_FORMAT_STRING_SHORT_FLOAT, str, (short)-2, 3.0);
}

// This test invokes the tokenization API with a variety of types. To simplify
// validating the encoded data, numbers that are sequential when zig-zag encoded
// are used as arguments.
void pw_tokenizer_ToBufferTest_SequentialZigZag(void* buffer,
                                                size_t* buffer_size) {
  PW_TOKENIZE_TO_BUFFER(buffer,
                        buffer_size,
                        TEST_FORMAT_SEQUENTIAL_ZIG_ZAG,
                        0u,
                        -1,
                        1u,
                        (unsigned)-2,
                        (unsigned short)2u,
                        (signed char)-3,
                        3,
                        -4l,
                        4ul,
                        -5ll,
                        5ull,
                        (signed char)-6,
                        (char)6,
                        (signed char)-7);
}

void pw_tokenizer_ToCallbackTest_SequentialZigZag(
    void (*callback)(const uint8_t* buffer, size_t size)) {
  PW_TOKENIZE_TO_CALLBACK(callback,
                          TEST_FORMAT_SEQUENTIAL_ZIG_ZAG,
                          0u,
                          -1,
                          1u,
                          (unsigned)-2,
                          (unsigned short)2u,
                          (signed char)-3,
                          3,
                          -4l,
                          4ul,
                          -5ll,
                          5ull,
                          (signed char)-6,
                          (char)6,
                          (signed char)-7);
}

void pw_tokenizer_ToBufferTest_Requires8(void* buffer, size_t* buffer_size) {
  PW_TOKENIZE_TO_BUFFER(buffer, buffer_size, TEST_FORMAT_REQUIRES_8, "hi", -7);
}