versions/v1_4_0/mynewt-core/encoding/cborattr/test/src/testcases/cborattr_decode_obj_array.c

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 "test_cborattr.h"

/*
 * Where we collect cbor data.
 */
static uint8_t test_cbor_buf[1024];
static int test_cbor_len;

/*
 * CBOR encoder data structures.
 */
static int test_cbor_wr(struct cbor_encoder_writer *, const char *, int);
static CborEncoder test_encoder;
static struct cbor_encoder_writer test_writer = {
    .write = test_cbor_wr
};

static int
test_cbor_wr(struct cbor_encoder_writer *cew, const char *data, int len)
{
    memcpy(test_cbor_buf + test_cbor_len, data, len);
    test_cbor_len += len;

    assert(test_cbor_len < sizeof(test_cbor_buf));
    return 0;
}

static void
test_encode_obj_array(void)
{
    CborEncoder data;
    CborEncoder array;
    CborEncoder obj;

    cbor_encoder_init(&test_encoder, &test_writer, 0);

    cbor_encoder_create_map(&test_encoder, &data, CborIndefiniteLength);

    /*
     * a: [{ n:"a", v:1}, {n:"b", v:2} ]
     */
    cbor_encode_text_stringz(&data, "a");
    cbor_encoder_create_array(&data, &array, CborIndefiniteLength);

    cbor_encoder_create_map(&array, &obj, CborIndefiniteLength);
    cbor_encode_text_stringz(&obj, "n");
    cbor_encode_text_stringz(&obj, "a");
    cbor_encode_text_stringz(&obj, "v");
    cbor_encode_int(&obj, 1);
    cbor_encoder_close_container(&array, &obj);

    cbor_encoder_create_map(&array, &obj, CborIndefiniteLength);
    cbor_encode_text_stringz(&obj, "n");
    cbor_encode_text_stringz(&obj, "b");
    cbor_encode_text_stringz(&obj, "v");
    cbor_encode_int(&obj, 2);
    cbor_encoder_close_container(&array, &obj);

    cbor_encoder_close_container(&data, &array);
    cbor_encoder_close_container(&test_encoder, &data);
}

/*
 * object array
 */
TEST_CASE(test_cborattr_decode_obj_array)
{
    int rc;
    char arr_data[4];
    int arr_cnt;
    struct cbor_attr_t test_attrs[] = {
        [0] = {
            .attribute = "a",
            .type = CborAttrArrayType,
            .addr.array.element_type = CborAttrNullType,
            .addr.array.arr.objects.base = arr_data,
            .addr.array.count = &arr_cnt,
            .addr.array.maxlen = 4,
            .nodefault = true
        },
        [1] = {
            .attribute = NULL
        }
    };

    test_encode_obj_array();

    rc = cbor_read_flat_attrs(test_cbor_buf, test_cbor_len, test_attrs);
    TEST_ASSERT(rc == 0);
    TEST_ASSERT(arr_cnt == 2);
}