Add an unpatched version of xz, XZ Utils, to /trunk/deps/third_party

xz/tests/tests.h

+///////////////////////////////////////////////////////////////////////////////
+//
+/// \file       tests.h
+/// \brief      Common definitions for test applications
+//
+//  Author:     Lasse Collin
+//
+//  This file has been put into the public domain.
+//  You can do whatever you want with this file.
+//
+///////////////////////////////////////////////////////////////////////////////
+
+#ifndef LZMA_TESTS_H
+#define LZMA_TESTS_H
+
+#include "sysdefs.h"
+#include "tuklib_integer.h"
+#include "lzma.h"
+
+#include <stdio.h>
+
+#define memcrap(buf, size) memset(buf, 0xFD, size)
+
+#define expect(test) ((test) ? 0 : (fprintf(stderr, "%s:%d: %s\n", \
+        __FILE__, __LINE__, #test), abort(), 0))
+
+#define succeed(test) expect(!(test))
+
+#define fail(test) expect(test)
+
+
+static inline const char *
+lzma_ret_sym(lzma_ret ret)
+{
+        if ((unsigned int)(ret) > LZMA_PROG_ERROR)
+                return "UNKNOWN_ERROR";
+
+        static const char *msgs[] = {
+                "LZMA_OK",
+                "LZMA_STREAM_END",
+                "LZMA_NO_CHECK",
+                "LZMA_UNSUPPORTED_CHECK",
+                "LZMA_GET_CHECK",
+                "LZMA_MEM_ERROR",
+                "LZMA_MEMLIMIT_ERROR",
+                "LZMA_FORMAT_ERROR",
+                "LZMA_OPTIONS_ERROR",
+                "LZMA_DATA_ERROR",
+                "LZMA_BUF_ERROR",
+                "LZMA_PROG_ERROR"
+        };
+
+        return msgs[ret];
+}
+
+
+static inline bool
+coder_loop(lzma_stream *strm, uint8_t *in, size_t in_size,
+                uint8_t *out, size_t out_size,
+                lzma_ret expected_ret, lzma_action finishing_action)
+{
+        size_t in_left = in_size;
+        size_t out_left = out_size > 0 ? out_size + 1 : 0;
+        lzma_action action = LZMA_RUN;
+        lzma_ret ret;
+
+        strm->next_in = NULL;
+        strm->avail_in = 0;
+        strm->next_out = NULL;
+        strm->avail_out = 0;
+
+        while (true) {
+                if (in_left > 0) {
+                        if (--in_left == 0)
+                                action = finishing_action;
+
+                        strm->next_in = in++;
+                        strm->avail_in = 1;
+                }
+
+                if (out_left > 0) {
+                        --out_left;
+                        strm->next_out = out++;
+                        strm->avail_out = 1;
+                }
+
+                ret = lzma_code(strm, action);
+                if (ret != LZMA_OK)
+                        break;
+        }
+
+        bool error = false;
+
+        if (ret != expected_ret)
+                error = true;
+
+        if (expected_ret == LZMA_STREAM_END) {
+                if (strm->total_in != in_size || strm->total_out != out_size)
+                        error = true;
+        } else {
+                if (strm->total_in != in_size || strm->total_out != out_size)
+                        error = true;
+        }
+
+        return error;
+}
+
+
+static inline bool
+decoder_loop_ret(lzma_stream *strm, uint8_t *in, size_t in_size,
+                lzma_ret expected_ret)
+{
+        return coder_loop(strm, in, in_size, NULL, 0, expected_ret, LZMA_RUN);
+}
+
+
+static inline bool
+decoder_loop(lzma_stream *strm, uint8_t *in, size_t in_size)
+{
+        return coder_loop(strm, in, in_size, NULL, 0,
+                        LZMA_STREAM_END, LZMA_RUN);
+}
+
+#endif