mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
08fd77a09a
- Move {target}/rom/miniz.h to common miniz.h
- Add ESP_ROM_HAS_MZ_CRC32 for ESP32/S2/S3/C3/H4
- Alias mz_crc32 to crc32_le if chips not support ESP_ROM_HAS_MZ_CRC32
Closes https://github.com/espressif/esp-idf/issues/10177
94 lines
3.2 KiB
C
94 lines
3.2 KiB
C
/*
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* SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Unlicense OR CC0-1.0
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdint.h>
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#include "sdkconfig.h"
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#include "unity.h"
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#include "miniz.h"
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#define DATASIZE (1024 * 32)
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TEST_CASE("Test miniz compression/decompression", "[rom][miniz]")
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{
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size_t inbytes = 0, outbytes = 0, inpos = 0, outpos = 0, compsz;
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printf("Allocating data buffer and filling it with semi-random data\r\n");
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uint8_t *inbuf = calloc(1, DATASIZE);
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TEST_ASSERT_NOT_NULL_MESSAGE(inbuf, "allocate input buffer failed");
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srand(0); // semi random data
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for (int i = 0; i < DATASIZE; i++) {
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inbuf[i] = (i & 0x01) ? rand() & 0xff : 0;
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}
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printf("Allocating compressor\r\n");
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tdefl_compressor *comp = calloc(1, sizeof(tdefl_compressor));
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TEST_ASSERT_NOT_NULL_MESSAGE(comp, "allocate tdefl_compressor failed");
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uint8_t *outbuf = calloc(1, DATASIZE);
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TEST_ASSERT_NOT_NULL_MESSAGE(outbuf, "allocate output buffer failed");
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printf("Compressing...\r\n");
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tdefl_status comp_status = tdefl_init(comp, NULL, NULL, TDEFL_WRITE_ZLIB_HEADER | 1500);
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TEST_ASSERT_EQUAL_MESSAGE(TDEFL_STATUS_OKAY, comp_status, "tdefl_init failed");
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while (1) {
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outbytes = DATASIZE - outpos;
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inbytes = DATASIZE - inpos;
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comp_status = tdefl_compress(comp, &inbuf[inpos], &inbytes, &outbuf[outpos], &outbytes, TDEFL_FINISH);
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inpos += inbytes;
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outpos += outbytes;
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printf("...Compressed %d into %d bytes\r\n", inpos, outpos);
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if (comp_status == TDEFL_STATUS_DONE) {
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break;
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} else if (comp_status != TDEFL_STATUS_OKAY) {
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TEST_ASSERT_MESSAGE(0, "tdefl_compress failed");
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}
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}
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compsz = outpos;
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free(comp);
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free(inbuf);
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inbuf = outbuf;
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outbuf = calloc(1, DATASIZE);
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TEST_ASSERT_NOT_NULL_MESSAGE(outbuf, "allocate output buffer failed");
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printf("Decompressing...\r\n");
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tinfl_decompressor *decomp = calloc(1, sizeof(tinfl_decompressor));
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TEST_ASSERT_NOT_NULL_MESSAGE(decomp, "allocate tinfl_decompressor failed");
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tinfl_init(decomp);
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inpos = 0;
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outpos = 0;
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while (1) {
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outbytes = DATASIZE - outpos;
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inbytes = compsz - inpos;
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tinfl_status decomp_status = tinfl_decompress(decomp, &inbuf[inpos], &inbytes, outbuf, &outbuf[outpos], &outbytes, TINFL_FLAG_PARSE_ZLIB_HEADER);
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inpos += inbytes;
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outpos += outbytes;
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printf("...Decompressed %d into %d bytes\r\n", inpos, outpos);
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if (decomp_status == TINFL_STATUS_DONE) {
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break;
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} else if (decomp_status < TINFL_STATUS_DONE) {
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printf("decomp status=%d\r\n", decomp_status);
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TEST_ASSERT_MESSAGE(0, "tinfl_decompress failed");
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}
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}
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printf("Verifying data between compression and decompression...\r\n");
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srand(0); // semi random data
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for (int i = 0; i < DATASIZE; i++) {
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uint8_t original = (i & 1) ? rand() & 0xff : 0;
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TEST_ASSERT_EQUAL_MESSAGE(original, outbuf[i], "data after decompression doesn't match the original one");
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}
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printf("Great Success!\n");
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free(inbuf);
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free(outbuf);
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free(decomp);
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}
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