integers -> types
git-svn-id: https://asn1c.svn.sourceforge.net/svnroot/asn1c/trunk@1115 59561ff5-6e30-0410-9f3c-9617f08c8826
diff --git a/asn1c/tests/check-70.-fnative-types.c b/asn1c/tests/check-70.-fnative-types.c
new file mode 100644
index 0000000..8538f5e
--- /dev/null
+++ b/asn1c/tests/check-70.-fnative-types.c
@@ -0,0 +1,296 @@
+/*
+ * Mode of operation:
+ * Each of the *.in files is XER-decoded, then converted into DER,
+ * then decoded from DER and encoded into XER again. The resulting
+ * stream is compared with the corresponding .out file.
+ */
+#undef NDEBUG
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <unistd.h> /* for chdir(2) */
+#include <string.h>
+#include <dirent.h>
+#include <ctype.h> /* for isspace(3) */
+#include <assert.h>
+#include <errno.h>
+
+#include <PDU.h>
+
+enum expectation {
+ EXP_OK, /* Encoding/decoding must succeed */
+ EXP_BROKEN, /* Decoding must fail */
+ EXP_DIFFERENT, /* Reconstruction will yield different encoding */
+};
+
+static unsigned char buf[4096];
+static int buf_offset;
+
+static int
+_buf_writer(const void *buffer, size_t size, void *app_key) {
+ unsigned char *b, *bend;
+ (void)app_key;
+ assert(buf_offset + size < sizeof(buf));
+ memcpy(buf + buf_offset, buffer, size);
+ b = buf + buf_offset;
+ bend = b + size;
+ fprintf(stderr, "=> [");
+ for(; b < bend; b++)
+ fprintf(stderr, "%c", *b);
+ fprintf(stderr, "]:%ld\n", (long)size);
+ buf_offset += size;
+ return 0;
+}
+
+enum der_or_xer {
+ AS_DER,
+ AS_XER,
+};
+
+static void
+save_object_as(PDU_t *st, enum der_or_xer how) {
+ asn_enc_rval_t rval; /* Return value */
+
+ buf_offset = 0;
+
+ /*
+ * Save object using specified method.
+ */
+ switch(how) {
+ case AS_DER:
+ rval = der_encode(&asn_DEF_PDU, st,
+ _buf_writer, 0);
+ break;
+ case AS_XER:
+ rval = xer_encode(&asn_DEF_PDU, st, XER_F_BASIC,
+ _buf_writer, 0);
+ break;
+ }
+ if (rval.encoded == -1) {
+ fprintf(stderr,
+ "Cannot encode %s: %s\n",
+ rval.failed_type->name, strerror(errno));
+ assert(rval.encoded != -1);
+ return;
+ }
+
+ fprintf(stderr, "SAVED OBJECT IN SIZE %d\n", buf_offset);
+}
+
+static PDU_t *
+load_object_from(enum expectation expectation, char *fbuf, int size, enum der_or_xer how) {
+ asn_dec_rval_t rval;
+ asn_dec_rval_t (*zer_decode)(struct asn_codec_ctx_s *,
+ asn_TYPE_descriptor_t *, void **, const void *, size_t);
+ PDU_t *st = 0;
+ int csize = 1;
+
+ if(how == AS_DER)
+ zer_decode = ber_decode;
+ else
+ zer_decode = xer_decode;
+
+ if(getenv("INITIAL_CHUNK_SIZE"))
+ csize = atoi(getenv("INITIAL_CHUNK_SIZE"));
+
+ /* Perform multiple iterations with multiple chunks sizes */
+ for(; csize < 20; csize += 1) {
+ int fbuf_offset = 0;
+ int fbuf_left = size;
+ int fbuf_chunk = csize;
+
+ fprintf(stderr, "LOADING OBJECT OF SIZE %d, chunks %d\n",
+ size, csize);
+
+ if(st) asn_DEF_PDU.free_struct(&asn_DEF_PDU, st, 0);
+ st = 0;
+
+ do {
+ fprintf(stderr, "Decoding bytes %d..%d (left %d)\n",
+ fbuf_offset,
+ fbuf_chunk < fbuf_left
+ ? fbuf_chunk : fbuf_left,
+ fbuf_left);
+ if(st) {
+ fprintf(stderr, "=== currently ===\n");
+ asn_fprint(stderr, &asn_DEF_PDU, st);
+ fprintf(stderr, "=== end ===\n");
+ }
+ rval = zer_decode(0, &asn_DEF_PDU, (void **)&st,
+ fbuf + fbuf_offset,
+ fbuf_chunk < fbuf_left
+ ? fbuf_chunk : fbuf_left);
+ fbuf_offset += rval.consumed;
+ fbuf_left -= rval.consumed;
+ if(rval.code == RC_WMORE)
+ fbuf_chunk += 1; /* Give little more */
+ else
+ fbuf_chunk = csize; /* Back off */
+ } while(fbuf_left && rval.code == RC_WMORE);
+
+ if(expectation != EXP_BROKEN) {
+ assert(rval.code == RC_OK);
+ if(how == AS_DER) {
+ assert(fbuf_offset == size);
+ } else {
+ assert(fbuf_offset - size < 2
+ || (fbuf_offset + 1 /* "\n" */ == size
+ && fbuf[size - 1] == '\n')
+ || (fbuf_offset + 2 /* "\r\n" */ == size
+ && fbuf[size - 2] == '\r'
+ && fbuf[size - 1] == '\n')
+ );
+ }
+ } else {
+ assert(rval.code != RC_OK);
+ fprintf(stderr, "Failed, but this was expected\n");
+ asn_DEF_PDU.free_struct(&asn_DEF_PDU, st, 0);
+ st = 0; /* ignore leak for now */
+ }
+ }
+
+ if(st) asn_fprint(stderr, &asn_DEF_PDU, st);
+ return st;
+}
+
+static int
+xer_encoding_equal(char *obuf, size_t osize, char *nbuf, size_t nsize) {
+ char *oend = obuf + osize;
+ char *nend = nbuf + nsize;
+
+ if((osize && !nsize) || (!osize && nsize))
+ return 0; /* not equal apriori */
+
+ while(1) {
+ while(obuf < oend && isspace(*obuf)) obuf++;
+ while(nbuf < nend && isspace(*nbuf)) nbuf++;
+
+ if(obuf == oend || nbuf == nend) {
+ if(obuf == oend && nbuf == nend)
+ break;
+ fprintf(stderr, "%s data in reconstructed encoding\n",
+ (obuf == oend) ? "More" : "Less");
+ return 0;
+ }
+
+ if(*obuf != *nbuf) {
+ printf("%c%c != %c%c\n",
+ obuf[0], obuf[1],
+ nbuf[0], nbuf[1]);
+ return 0;
+ }
+ obuf++, nbuf++;
+ }
+
+ return 1;
+}
+
+static void
+process_XER_data(enum expectation expectation, char *fbuf, int size) {
+ PDU_t *st;
+
+ st = load_object_from(expectation, fbuf, size, AS_XER);
+ if(!st) return;
+
+ /* Save and re-load as DER */
+ save_object_as(st, AS_DER);
+ st = load_object_from(expectation, buf, buf_offset, AS_DER);
+ assert(st);
+
+ save_object_as(st, AS_XER);
+ fprintf(stderr, "=== original ===\n");
+ fwrite(fbuf, 1, size, stderr);
+ fprintf(stderr, "=== re-encoded ===\n");
+ fwrite(buf, 1, buf_offset, stderr);
+ fprintf(stderr, "=== end ===\n");
+
+ switch(expectation) {
+ case EXP_DIFFERENT:
+ assert(!xer_encoding_equal(fbuf, size, buf, buf_offset));
+ break;
+ case EXP_BROKEN:
+ assert(!xer_encoding_equal(fbuf, size, buf, buf_offset));
+ break;
+ case EXP_OK:
+ assert(xer_encoding_equal(fbuf, size, buf, buf_offset));
+ break;
+ }
+
+ asn_DEF_PDU.free_struct(&asn_DEF_PDU, st, 0);
+}
+
+/*
+ * Decode the .der files and try to regenerate them.
+ */
+static int
+process(const char *fname) {
+ char fbuf[4096];
+ char *ext = strrchr(fname, '.');
+ enum expectation expectation;
+ int ret;
+ int rd;
+ FILE *fp;
+
+ if(ext == 0 || strcmp(ext, ".in"))
+ return 0;
+
+ switch(ext[-1]) {
+ case 'B': /* The file is intentionally broken */
+ expectation = EXP_BROKEN; break;
+ case 'X':
+ case 'D': /* Reconstructing should yield different data */
+ expectation = EXP_DIFFERENT; break;
+ case 'E':
+ default:
+ expectation = EXP_OK; break;
+ }
+
+ fprintf(stderr, "\nProcessing file [../%s]\n", fname);
+
+ ret = chdir("../data-70");
+ assert(ret == 0);
+ fp = fopen(fname, "r");
+ ret = chdir("../test-check-70.-fnative-types");
+ assert(ret == 0);
+ assert(fp);
+
+ rd = fread(fbuf, 1, sizeof(fbuf), fp);
+ fclose(fp);
+
+ assert(rd < sizeof(fbuf)); /* expect small files */
+
+ process_XER_data(expectation, fbuf, rd);
+
+ return 1;
+}
+
+int
+main() {
+ DIR *dir;
+ struct dirent *dent;
+ int processed_files = 0;
+ char *str;
+
+ /* Process a specific test file */
+ str = getenv("DATA_70_FILE");
+ if(str && strncmp(str, "data-70-", 8) == 0)
+ process(str);
+
+ dir = opendir("../data-70");
+ assert(dir);
+
+ /*
+ * Process each file in that directory.
+ */
+ while((dent = readdir(dir))) {
+ if(strncmp(dent->d_name, "data-70-", 8) == 0)
+ if(process(dent->d_name))
+ processed_files++;
+ }
+
+ assert(processed_files);
+ closedir(dir);
+
+ return 0;
+}
+