--- /dev/null
+/* -*-c-*-
+ *
+ * Generic test driver
+ *
+ * (c) 1998 Straylight/Edgeware
+ */
+
+/*----- Licensing notice --------------------------------------------------*
+ *
+ * This file is part of the mLib utilities library.
+ *
+ * mLib is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Library General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * mLib is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with mLib; if not, write to the Free
+ * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+/*----- Header files ------------------------------------------------------*/
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "dstr.h"
+#include "report.h"
+#include "quis.h"
+#include "testrig.h"
+
+/*----- Static variables --------------------------------------------------*/
+
+static dstr tok = DSTR_INIT;
+
+enum {
+ TOK_EOF = 0x100,
+ TOK_WORD
+};
+
+/*----- Main code ---------------------------------------------------------*/
+
+/* --- @decode@ --- *
+ *
+ * Arguments: @int tok@ = token type to decode
+ *
+ * Returns: Pointer to a textual representation of the token.
+ *
+ * Use: Produces a readable representation of a token.
+ */
+
+static const char *decode(int t)
+{
+ static char buf[4];
+
+ switch (t) {
+ case TOK_EOF:
+ return ("<eof>");
+ case TOK_WORD:
+ return (tok.buf);
+ default:
+ buf[0] = t;
+ buf[1] = 0;
+ return (buf);
+ }
+ return ("<buggy-program>");
+}
+
+/* --- @gettok@ --- *
+ *
+ * Arguments: @FILE *fp@ = file handle to read from
+ *
+ * Returns: Type of token read.
+ *
+ * Use: Reads a token from the input stream.
+ */
+
+static int gettok(FILE *fp)
+{
+ int ch;
+
+ /* --- Clear the token accumulator --- */
+
+ DRESET(&tok);
+
+ /* --- Prime the lookahead character --- */
+
+again:
+ ch = getc(fp);
+
+ /* --- Skip leading whitespace --- */
+
+ while (isspace((unsigned char)ch))
+ ch = getc(fp);
+
+ /* --- Trap some special characters --- */
+
+ switch (ch) {
+
+ /* --- Comments --- */
+
+ case '#':
+ do ch = getc(fp); while (ch != EOF && ch != '\n');
+ goto again;
+
+ /* --- End of file --- */
+
+ case EOF:
+ return (TOK_EOF);
+
+ /* --- Quote characters --- */
+
+ case '`':
+ ch = '\'';
+ case '\'':
+ case '\"': {
+ int quote = ch;
+
+ for (;;) {
+ ch = getc(fp);
+ if (ch == EOF || ch == quote)
+ break;
+ if (ch == '\\') {
+ ch = getc(fp);
+ if (ch == EOF)
+ ch = '\\';
+ }
+ DPUTC(&tok, ch);
+ }
+ DPUTZ(&tok);
+ return (TOK_WORD);
+ }
+
+ /* --- Self-delimiting things --- */
+
+ case ';':
+ case '{':
+ case '}':
+ return (ch);
+
+ /* --- Anything else is a word --- */
+
+ default:
+ for (;;) {
+ DPUTC(&tok, ch);
+ ch = getc(fp);
+ switch (ch) {
+ case EOF:
+ case ';':
+ case '{':
+ case '}':
+ case '\"':
+ case '\'':
+ case '`':
+ goto done;
+ default:
+ if (isspace((unsigned char)ch))
+ goto done;
+ }
+ if (ch == '\\') {
+ ch = getc(fp);
+ if (ch == EOF)
+ ch = '\\';
+ }
+ }
+ done:
+ ungetc(ch, fp);
+ DPUTZ(&tok);
+ return (TOK_WORD);
+ }
+}
+
+/* --- @type_hex@ --- */
+
+static void cvt_hex(const char *s, dstr *d)
+{
+ while (s[0] && s[1]) {
+ int x = s[0], y = s[1];
+ if ('0' <= x && x <= '9') x -= '0';
+ else if ('A' <= x && x <= 'F') x -= 'A' - 10;
+ else if ('a' <= x && x <= 'f') x -= 'a' - 10;
+ else x = 0;
+ if ('0' <= y && y <= '9') y -= '0';
+ else if ('A' <= y && y <= 'F') y -= 'A' - 10;
+ else if ('a' <= y && y <= 'f') y -= 'a' - 10;
+ else y = 0;
+ DPUTC(d, (x << 4) + y);
+ s += 2;
+ }
+}
+
+static void dump_hex(dstr *d, FILE *fp)
+{
+ const char *p, *q;
+ for (p = d->buf, q = p + d->len; p < q; p++)
+ fprintf(fp, "%02x", *(unsigned char *)p);
+}
+
+const test_type type_hex = { cvt_hex, dump_hex };
+
+/* --- @type_string@ --- */
+
+static void cvt_string(const char *s, dstr *d)
+{
+ DPUTS(d, s);
+}
+
+static void dump_string(dstr *d, FILE *fp)
+{
+ DWRITE(d, fp);
+}
+
+const test_type type_string = { cvt_string, dump_string };
+
+/* --- @type_int@ --- */
+
+static void cvt_int(const char *s, dstr *d)
+{
+ DENSURE(d, sizeof(int));
+ sscanf(s, "%i", (int *)d->buf);
+}
+
+static void dump_int(dstr *d, FILE *fp)
+{
+ fprintf(fp, "%i", *(int *)d->buf);
+}
+
+const test_type type_int = { cvt_int, dump_int };
+
+/* --- @type_long@ --- */
+
+static void cvt_long(const char *s, dstr *d)
+{
+ DENSURE(d, sizeof(long));
+ *(long *)d->buf = strtol(s, 0, 0);
+}
+
+static void dump_long(dstr *d, FILE *fp)
+{
+ fprintf(fp, "%li", *(long *)d->buf);
+}
+
+const test_type type_long = { cvt_long, dump_long };
+
+/* --- @type_ulong@ --- */
+
+static void cvt_ulong(const char *s, dstr *d)
+{
+ DENSURE(d, sizeof(unsigned long));
+ *(unsigned long *)d->buf = strtoul(s, 0, 0);
+}
+
+static void dump_ulong(dstr *d, FILE *fp)
+{
+ fprintf(fp, "%lu", *(unsigned long *)d->buf);
+}
+
+const test_type type_ulong = { cvt_ulong, dump_ulong };
+
+/* --- @type_uint32@ --- */
+
+static void cvt_uint32(const char *buf, dstr *d)
+{
+ DENSURE(d, sizeof(uint32));
+ *(uint32 *)d->buf = strtoul(buf, 0, 0);
+}
+
+static void dump_uint32(dstr *d, FILE *fp)
+{
+ fprintf(fp, "%lu\n", (unsigned long)*(uint32 *)d->buf);
+}
+
+const test_type type_uint32 = { cvt_uint32, dump_uint32 };
+
+/* --- @test_do@ --- *
+ *
+ * Arguments: @const test_suite suites[]@ = pointer to suite definitions
+ * @FILE *fp@ = test vector file, ready opened
+ * @test_results *results@ = where to put results
+ *
+ * Returns: Negative if something bad happened, or the number of
+ * failures.
+ *
+ * Use: Runs a collection of tests against a file of test vectors and
+ * reports the results.
+ */
+
+int test_do(const test_suite suites[], FILE *fp, test_results *results)
+{
+ test_results dummy;
+ dstr dv[TEST_FIELDMAX];
+ const test_suite *ss;
+ const test_chunk *chunks = suites[0].chunks;
+ const test_chunk *cch;
+ int rc = -1;
+ int ok;
+ int i;
+
+ for (i = 0; i < TEST_FIELDMAX; i++)
+ DCREATE(&dv[i]);
+
+ if (!results)
+ results = &dummy;
+ results->tests = 0;
+ results->failed = 0;
+
+ for (;;) {
+ int t = gettok(fp);
+
+ /* --- This is a reasonable place to stop --- */
+
+ if (t == TOK_EOF)
+ break;
+
+ /* --- Pick out the chunk name --- */
+
+ if (t != TOK_WORD) {
+ moan("expected <word>; found `%s'", decode(t));
+ goto done;
+ }
+
+ if (strcmp(tok.buf, "SUITE") == 0) {
+ t = gettok(fp);
+ if (t != TOK_WORD) {
+ moan("expected <word>; found `%s'", decode(t));
+ goto done;
+ }
+ for (ss = suites; ; ss++) {
+ if (!ss->name) {
+ chunks = 0;
+ break;
+ }
+ if (strcmp(tok.buf, ss->name) == 0) {
+ chunks = ss->chunks;
+ break;
+ }
+ }
+ continue;
+ }
+
+ /* --- Find the right chunk block --- */
+
+ if (!chunks)
+ goto skip_chunk;
+ for (cch = chunks; ; cch++) {
+ if (!cch->name)
+ goto skip_chunk;
+ if (strcmp(tok.buf, cch->name) == 0)
+ break;
+ }
+
+ /* --- Past the open brace to the first chunk --- */
+
+ if ((t = gettok(fp)) != '{') {
+ moan("expected `{'; found `%s'", decode(t));
+ goto done;
+ }
+
+ /* --- Start on the test data now --- */
+
+ printf("%s: ", cch->name);
+ fflush(stdout);
+ ok = 1;
+
+ for (;;) {
+ t = gettok(fp);
+
+ /* --- Accept a close brace --- */
+
+ if (t == '}')
+ break;
+
+ /* --- Otherwise I expect a list of words --- */
+
+ for (i = 0; cch->f[i]; i++) {
+ DRESET(&dv[i]);
+ if (t != TOK_WORD) {
+ moan("expected <word>; found `%s'", decode(t));
+ goto done;
+ }
+ cch->f[i]->cvt(tok.buf, &dv[i]);
+ t = gettok(fp);
+ }
+
+ /* --- And a terminating semicolon --- */
+
+ if (t != ';') {
+ moan("expected `;'; found `%s'", decode(t));
+ goto done;
+ }
+
+ /* --- Run the test code --- */
+
+ if (!cch->test(dv)) {
+ ok = 0;
+ printf("%s: ", cch->name);
+ for (i = 0; i < results->tests; i++) putchar('.');
+ results->failed++;
+ }
+ putchar('.');
+ results->tests++;
+ fflush(stdout);
+ }
+
+ puts(ok ? " ok" : " failed");
+ fflush(stdout);
+ continue;
+
+ skip_chunk:
+ if ((t = gettok(fp)) != '{') {
+ moan("expected '{'; found `%s'", decode(t));
+ goto done;
+ }
+ for (;;) {
+ t = gettok(fp);
+ if (t == '}')
+ break;
+ while (t == TOK_WORD)
+ t = gettok(fp);
+ if (t != ';') {
+ moan("expected `;'; found `%s'", decode(t));
+ goto done;
+ }
+ }
+ }
+ rc = results->failed;
+
+ /* --- All done --- */
+
+done:
+ for (i = 0; i < TEST_FIELDMAX; i++)
+ dstr_destroy(&dv[i]);
+ return (rc);
+}
+
+/* --- @test_run@ --- *
+ *
+ * Arguments: @int argc@ = number of command line arguments
+ * @char *argv[]@ = pointer to command line arguments
+ * @const test_chunk chunk[]@ = pointer to chunk definitions
+ * @const char *vec@ = name of default test vector file
+ *
+ * Returns: Doesn't.
+ *
+ * Use: Runs a set of test vectors to ensure that a component is
+ * working properly.
+ */
+
+void test_run(int argc, char *argv[],
+ const test_chunk chunk[],
+ const char *vec)
+{
+ FILE *fp;
+ test_results res;
+ int rc;
+ test_suite suite[2];
+
+ /* --- Silly bits of initialization --- */
+
+ ego(argv[0]);
+
+ /* --- Parse command line arguments --- */
+
+ {
+ const char *p = 0;
+ int i = 0;
+
+ for (;;) {
+ if (!p || !*p) {
+ if (i >= argc - 1)
+ break;
+ p = argv[++i];
+ if (strcmp(p, "--") == 0) {
+ i++;
+ break;
+ }
+ if (p[0] != '-' || p[1] == 0)
+ break;
+ p++;
+ }
+ switch (*p++) {
+ case 'h':
+ printf("%s test driver\n"
+ "Usage: %s [-f FILENAME]\n", QUIS, QUIS);
+ exit(0);
+ case 'f':
+ if (!*p) {
+ if (i >= argc - 1)
+ die(1, "option `-f' expects an argument");
+ p = argv[++i];
+ }
+ vec = p;
+ p = 0;
+ break;
+ default:
+ die(1, "option `-%c' unknown", p[-1]);
+ break;
+ }
+ }
+ }
+
+ /* --- Start parsing from the file --- */
+
+ if ((fp = fopen(vec, "r")) == 0)
+ die(1, "couldn't open test vector file `%s': %s", vec, strerror(errno));
+ suite[0].name = "simple";
+ suite[0].chunks = chunk;
+ suite[1].name = 0;
+ rc = test_do(suite, fp, &res);
+ if (rc < 0)
+ exit(127);
+ if (res.failed) {
+ fprintf(stderr, "FAILED %u of %u test%s\n",
+ res.failed, res.tests, res.tests == 1 ? "" : "s");
+ } else {
+ fprintf(stderr, "PASSED all %u test%s\n",
+ res.tests, res.tests == 1 ? "" : "s");
+ }
+ exit(!!res.failed);
+}
+
+/*----- That's all, folks -------------------------------------------------*/
~mdw / mLib / blobdiff