Test multiframe legacy decoding with simple and streaming APIs
This commit is contained in:
Sean Purcell
parent
0f5c95af44
commit
f07ddf88e8
1
tests/.gitignore
vendored
1
tests/.gitignore
vendored
@ -16,6 +16,7 @@ paramgrill32
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roundTripCrash
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longmatch
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symbols
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legacy
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pool
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invalidDictionaries
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@ -27,7 +27,7 @@ TESTARTEFACT := versionsTest namespaceTest
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CPPFLAGS+= -I$(ZSTDDIR) -I$(ZSTDDIR)/common -I$(ZSTDDIR)/compress -I$(ZSTDDIR)/dictBuilder -I$(ZSTDDIR)/deprecated -I$(PRGDIR)
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CFLAGS ?= -O3
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CFLAGS ?= -g
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CFLAGS += -g -Wall -Wextra -Wcast-qual -Wcast-align -Wshadow -Wstrict-aliasing=1 \
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-Wswitch-enum -Wdeclaration-after-statement -Wstrict-prototypes -Wundef
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CFLAGS += $(MOREFLAGS)
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@ -149,6 +149,11 @@ longmatch : $(ZSTD_FILES) longmatch.c
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invalidDictionaries : $(ZSTD_FILES) invalidDictionaries.c
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$(CC) $(FLAGS) $^ -o $@$(EXT)
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legacy : CFLAGS+= -DZSTD_LEGACY_SUPPORT=1
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legacy : CPPFLAGS+= -I$(ZSTDDIR)/legacy
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legacy : $(ZSTD_FILES) $(wildcard $(ZSTDDIR)/legacy/*.c) legacy.c
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$(CC) $(FLAGS) $^ -o $@$(EXT)
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symbols : symbols.c
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$(MAKE) -C $(ZSTDDIR) libzstd
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ifneq (,$(filter Windows%,$(OS)))
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@ -225,7 +230,7 @@ zstd-playTests: datagen
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file $(ZSTD)
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ZSTD="$(QEMU_SYS) $(ZSTD)" ./playTests.sh $(ZSTDRTTEST)
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test: test-zstd test-fullbench test-fuzzer test-zstream test-longmatch test-invalidDictionaries test-pool
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test: test-zstd test-fullbench test-fuzzer test-zstream test-longmatch test-invalidDictionaries test-pool test-legacy
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test32: test-zstd32 test-fullbench32 test-fuzzer32 test-zstream32
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@ -291,6 +296,9 @@ test-invalidDictionaries: invalidDictionaries
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test-symbols: symbols
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$(QEMU_SYS) ./symbols
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test-legacy: legacy
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$(QEMU_SYS) ./legacy
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test-pool: pool
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$(QEMU_SYS) ./pool
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226
tests/legacy.c
Normal file
226
tests/legacy.c
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@ -0,0 +1,226 @@
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/**
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* Copyright (c) 2017-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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/*
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This program uses hard-coded data compressed with Zstd legacy versions
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and tests that the API decompresses them correctly
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*/
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/*===========================================
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* Dependencies
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*==========================================*/
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#include <stddef.h> /* size_t */
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#include <stdlib.h> /* malloc, free */
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#include <stdio.h> /* fprintf */
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#include <string.h> /* strlen */
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#include "zstd.h"
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#include "zstd_errors.h"
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/*===========================================
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* Macros
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*==========================================*/
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#define DISPLAY(...) fprintf(stderr, __VA_ARGS__)
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/*===========================================
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* Precompressed frames
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*==========================================*/
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const char* const COMPRESSED; /* content is at end of file */
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size_t const COMPRESSED_SIZE = 917;
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const char* const EXPECTED; /* content is at end of file */
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int testSimpleAPI(void)
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{
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size_t const size = strlen(EXPECTED);
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char* const output = malloc(size);
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if (!output) {
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DISPLAY("ERROR: Not enough memory!\n");
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return 1;
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}
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{
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size_t const ret = ZSTD_decompress(output, size, COMPRESSED, COMPRESSED_SIZE);
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if (ZSTD_isError(ret)) {
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if (ret == ZSTD_error_prefix_unknown) {
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DISPLAY("ERROR: Invalid frame magic number, was this compiled "
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"without legacy support?\n");
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} else {
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DISPLAY("ERROR: %s\n", ZSTD_getErrorName(ret));
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}
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return 1;
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}
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if (ret != size) {
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DISPLAY("ERROR: Wrong decoded size\n");
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}
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}
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if (memcmp(EXPECTED, output, size) != 0) {
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DISPLAY("ERROR: Wrong decoded output produced\n");
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return 1;
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}
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DISPLAY("Simple API OK\n");
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return 0;
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}
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int testStreamingAPI(void)
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{
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size_t const outBuffSize = ZSTD_DStreamOutSize();
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char* const outBuff = malloc(outBuffSize);
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ZSTD_DStream* const stream = ZSTD_createDStream();
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ZSTD_inBuffer input = { COMPRESSED, COMPRESSED_SIZE, 0 };
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size_t outputPos = 0;
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int needsInit = 1;
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if (outBuff == NULL) {
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DISPLAY("ERROR: Could not allocate memory\n");
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return 1;
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}
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if (stream == NULL) {
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DISPLAY("ERROR: Could not create dstream\n");
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return 1;
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}
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while (1) {
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ZSTD_outBuffer output = {outBuff, outBuffSize, 0};
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if (needsInit) {
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size_t const ret = ZSTD_initDStream(stream);
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if (ZSTD_isError(ret)) {
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DISPLAY("ERROR: %s\n", ZSTD_getErrorName(ret));
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return 1;
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}
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}
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{
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size_t const ret = ZSTD_decompressStream(stream, &output, &input);
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if (ZSTD_isError(ret)) {
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DISPLAY("ERROR: %s\n", ZSTD_getErrorName(ret));
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return 1;
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}
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if (ret == 0) {
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needsInit = 1;
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}
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}
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if (memcmp(outBuff, EXPECTED + outputPos, output.pos) != 0) {
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DISPLAY("ERROR: Wrong decoded output produced\n");
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return 1;
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}
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outputPos += output.pos;
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if (input.pos == input.size && output.pos < output.size) {
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break;
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}
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}
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DISPLAY("Streaming API OK\n");
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return 0;
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}
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int main(void)
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{
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int ret;
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ret = testSimpleAPI();
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if (ret) return ret;
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ret = testStreamingAPI();
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if (ret) return ret;
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DISPLAY("OK\n");
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return 0;
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}
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/* Consists of the "EXPECTED" string compressed with default settings on
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- v0.4.3
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- v0.5.0
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- v0.6.0
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- v0.7.0
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- v0.8.0
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*/
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const char* const COMPRESSED =
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"\x24\xB5\x2F\xFD\x00\x00\x00\xBB\xB0\x02\xC0\x10\x00\x1E\xB0\x01"
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"\x02\x00\x00\x80\x00\xE8\x92\x34\x12\x97\xC8\xDF\xE9\xF3\xEF\x53"
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"\xEA\x1D\x27\x4F\x0C\x44\x90\x0C\x8D\xF1\xB4\x89\x17\x00\x18\x00"
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"\x18\x00\x3F\xE6\xE2\xE3\x74\xD6\xEC\xC9\x4A\xE0\x71\x71\x42\x3E"
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"\x64\x4F\x6A\x45\x4E\x78\xEC\x49\x03\x3F\xC6\x80\xAB\x8F\x75\x5E"
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"\x6F\x2E\x3E\x7E\xC6\xDC\x45\x69\x6C\xC5\xFD\xC7\x40\xB8\x84\x8A"
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"\x01\xEB\xA8\xD1\x40\x39\x90\x4C\x64\xF8\xEB\x53\xE6\x18\x0B\x67"
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"\x12\xAD\xB8\x99\xB3\x5A\x6F\x8A\x19\x03\x01\x50\x67\x56\xF5\x9F"
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"\x35\x84\x60\xA0\x60\x91\xC9\x0A\xDC\xAB\xAB\xE0\xE2\x81\xFA\xCF"
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"\xC6\xBA\x01\x0E\x00\x54\x00\x00\x19\x00\x00\x54\x14\x00\x24\x24"
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"\x04\xFE\x04\x84\x4E\x41\x00\x27\xE2\x02\xC4\xB1\x00\xD2\x51\x00"
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"\x79\x58\x41\x28\x00\xE0\x0C\x01\x68\x65\x00\x04\x13\x0C\xDA\x0C"
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"\x80\x22\x06\xC0\x00\x00\x25\xB5\x2F\xFD\x00\x00\x00\xAD\x12\xB0"
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"\x7D\x1E\xB0\x01\x02\x00\x00\x80\x00\xE8\x92\x34\x12\x97\xC8\xDF"
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"\xE9\xF3\xEF\x53\xEA\x1D\x27\x4F\x0C\x44\x90\x0C\x8D\xF1\xB4\x89"
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"\x03\x01\x50\x67\x56\xF5\x9F\x35\x84\x60\xA0\x60\x91\xC9\x0A\xDC"
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"\xAB\xAB\xE0\xE2\x81\xFA\xCF\xC6\xBA\xEB\xA8\xD1\x40\x39\x90\x4C"
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"\x64\xF8\xEB\x53\xE6\x18\x0B\x67\x12\xAD\xB8\x99\xB3\x5A\x6F\x8A"
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"\xF9\x63\x0C\xB8\xFA\x58\xE7\xF5\xE6\xE2\xE3\x67\xCC\x5D\x94\xC6"
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"\x56\xDC\x7F\x0C\x84\x4B\xA8\xF8\x63\x2E\x3E\x4E\x67\xCD\x9E\xAC"
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"\x04\x1E\x17\x27\xE4\x43\xF6\xA4\x56\xE4\x84\xC7\x9E\x34\x0E\x00"
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"\x00\x32\x40\x80\xA8\x00\x01\x49\x81\xE0\x3C\x01\x29\x1D\x00\x87"
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"\xCE\x80\x75\x08\x80\x72\x24\x00\x7B\x52\x00\x94\x00\x20\xCC\x01"
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"\x86\xD2\x00\x81\x09\x83\xC1\x34\xA0\x88\x01\xC0\x00\x00\x26\xB5"
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"\x2F\xFD\x42\xEF\x00\x00\xA6\x12\xB0\x7D\x1E\xB0\x01\x02\x00\x00"
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"\x54\xA0\xBA\x24\x8D\xC4\x25\xF2\x77\xFA\xFC\xFB\x94\x7A\xC7\xC9"
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"\x13\x03\x11\x24\x43\x63\x3C\x6D\x22\x03\x01\x50\x67\x56\xF5\x9F"
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"\x35\x84\x60\xA0\x60\x91\xC9\x0A\xDC\xAB\xAB\xE0\xE2\x81\xFA\xCF"
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"\xC6\xBA\xEB\xA8\xD1\x40\x39\x90\x4C\x64\xF8\xEB\x53\xE6\x18\x0B"
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"\x67\x12\xAD\xB8\x99\xB3\x5A\x6F\x8A\xF9\x63\x0C\xB8\xFA\x58\xE7"
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"\xF5\xE6\xE2\xE3\x67\xCC\x5D\x94\xC6\x56\xDC\x7F\x0C\x84\x4B\xA8"
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"\xF8\x63\x2E\x3E\x4E\x67\xCD\x9E\xAC\x04\x1E\x17\x27\xE4\x43\xF6"
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"\xA4\x56\xE4\x84\xC7\x9E\x34\x0E\x00\x35\x0B\x71\xB5\xC0\x2A\x5C"
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"\x26\x94\x22\x20\x8B\x4C\x8D\x13\x47\x58\x67\x15\x6C\xF1\x1C\x4B"
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"\x54\x10\x9D\x31\x50\x85\x4B\x54\x0E\x01\x4B\x3D\x01\xC0\x00\x00"
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"\x27\xB5\x2F\xFD\x20\xEF\x00\x00\xA6\x12\xE4\x84\x1F\xB0\x01\x10"
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"\x00\x00\x00\x35\x59\xA6\xE7\xA1\xEF\x7C\xFC\xBD\x3F\xFF\x9F\xEF"
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"\xEE\xEF\x61\xC3\xAA\x31\x1D\x34\x38\x22\x22\x04\x44\x21\x80\x32"
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"\xAD\x28\xF3\xD6\x28\x0C\x0A\x0E\xD6\x5C\xAC\x19\x8D\x20\x5F\x45"
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"\x02\x2E\x17\x50\x66\x6D\xAC\x8B\x9C\x6E\x07\x73\x46\xBB\x44\x14"
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"\xE7\x98\xC3\xB9\x17\x32\x6E\x33\x7C\x0E\x21\xB1\xDB\xCB\x89\x51"
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"\x23\x34\xAB\x9D\xBC\x6D\x20\xF5\x03\xA9\x91\x4C\x2E\x1F\x59\xDB"
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"\xD9\x35\x67\x4B\x0C\x95\x79\x10\x00\x85\xA6\x96\x95\x2E\xDF\x78"
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"\x7B\x4A\x5C\x09\x76\x97\xD1\x5C\x96\x12\x75\x35\xA3\x55\x4A\xD4"
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"\x0B\x00\x35\x0B\x71\xB5\xC0\x2A\x5C\xE6\x08\x45\xF1\x39\x43\xF1"
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"\x1C\x4B\x54\x10\x9D\x31\x50\x85\x4B\x54\x0E\x01\x4B\x3D\x01\xC0"
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"\x00\x00\x28\xB5\x2F\xFD\x24\xEF\x35\x05\x00\x92\x0B\x21\x1F\xB0"
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"\x01\x10\x00\x00\x00\x35\x59\xA6\xE7\xA1\xEF\x7C\xFC\xBD\x3F\xFF"
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"\x9F\xEF\xEE\xEF\x61\xC3\xAA\x31\x1D\x34\x38\x22\x22\x04\x44\x21"
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"\x80\x32\xAD\x28\xF3\xD6\x28\x0C\x0A\x0E\xD6\x5C\xAC\x19\x8D\x20"
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"\x5F\x45\x02\x2E\x17\x50\x66\x6D\xAC\x8B\x9C\x6E\x07\x73\x46\xBB"
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"\x44\x14\xE7\x98\xC3\xB9\x17\x32\x6E\x33\x7C\x0E\x21\xB1\xDB\xCB"
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"\x89\x51\x23\x34\xAB\x9D\xBC\x6D\x20\xF5\x03\xA9\x91\x4C\x2E\x1F"
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"\x59\xDB\xD9\x35\x67\x4B\x0C\x95\x79\x10\x00\x85\xA6\x96\x95\x2E"
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"\xDF\x78\x7B\x4A\x5C\x09\x76\x97\xD1\x5C\x96\x12\x75\x35\xA3\x55"
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"\x4A\xD4\x0B\x00\x35\x0B\x71\xB5\xC0\x2A\x5C\xE6\x08\x45\xF1\x39"
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"\x43\xF1\x1C\x4B\x54\x10\x9D\x31\x50\x85\x4B\x54\x0E\x01\x4B\x3D"
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"\x01\xD2\x2F\x21\x80";
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const char* const EXPECTED =
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"snowden is snowed in / he's now then in his snow den / when does the snow end?\n"
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"goodbye little dog / you dug some holes in your day / they'll be hard to fill.\n"
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"when life shuts a door, / just open it. it’s a door. / that is how doors work.\n"
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"snowden is snowed in / he's now then in his snow den / when does the snow end?\n"
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"goodbye little dog / you dug some holes in your day / they'll be hard to fill.\n"
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"when life shuts a door, / just open it. it’s a door. / that is how doors work.\n"
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"snowden is snowed in / he's now then in his snow den / when does the snow end?\n"
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"goodbye little dog / you dug some holes in your day / they'll be hard to fill.\n"
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"when life shuts a door, / just open it. it’s a door. / that is how doors work.\n"
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"snowden is snowed in / he's now then in his snow den / when does the snow end?\n"
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"goodbye little dog / you dug some holes in your day / they'll be hard to fill.\n"
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"when life shuts a door, / just open it. it’s a door. / that is how doors work.\n"
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"snowden is snowed in / he's now then in his snow den / when does the snow end?\n"
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"goodbye little dog / you dug some holes in your day / they'll be hard to fill.\n"
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"when life shuts a door, / just open it. it’s a door. / that is how doors work.\n";
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