added example/test for cbm_read, related to issue #1306

2022-07-25 21:01:31 +02:00
parent d03f28d0ed
commit f99cb177c6
5 changed files with 131 additions and 1 deletions
--- a/targettest/cbm/cbmread.c
+++ b/targettest/cbm/cbmread.c
@@ -0,0 +1,82 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include <cbm.h>
+
+int res = 0;
+int tests = 0;
+
+#define LFN     8
+
+#define MAXREADSIZE    256
+
+static char data[MAXREADSIZE];
+
+void test1 (char * what, char * filename, int len1, int len2, int rlen1, int rlen2)
+{
+    int rlen;
+    unsigned char err;
+
+    printf ("1:%s (%d bytes)..." , what, rlen1);
+
+    err = cbm_open (LFN, 8, 8, filename);
+    if (err != 0) {
+        printf ("\nError: could not open file.\n");
+        goto test1exit;
+    }
+
+    rlen = cbm_read (LFN, data, rlen1);
+    if (rlen == -1) {
+        printf ("\ncbm_read error (%d)\n", _oserror);
+        res++;
+        goto test1exit;
+    }
+    if (rlen != len1) {
+        printf ("\nError: 1st read returned %d instead of %d\n", rlen, len1);
+        res++;
+        goto test1exit;
+    }
+
+    printf (" OK\n");
+
+    printf ("2:%s (%d bytes)..." , what, rlen2);
+
+    rlen = cbm_read (LFN, data, rlen2);
+    if (rlen == -1) {
+        printf ("\ncbm_read error (%d)\n", _oserror);
+        res++;
+        goto test1exit;
+    }
+    if (rlen != len2) {
+        printf ("\nError: 2nd read returned %d instead of %d\n", rlen, len2);
+        res++;
+        goto test1exit;
+    }
+
+    printf (" OK\n");
+
+test1exit:
+    cbm_close (LFN);
+    tests++;
+}
+
+int main(void)
+{
+    test1 ("Read empty file",   "read-0", 0, 0, 0, 0);
+    test1 ("Read empty file",   "read-0", 0, 0, 1, 1);
+    test1 ("Read empty file",   "read-0", 0, 0, 8, 8);
+
+    test1 ("Read 1 byte file",  "read-1", 0, 0, 0, 0);
+    test1 ("Read 1 byte file",  "read-1", 1, 0, 1, 1);
+    test1 ("Read 1 byte file",  "read-1", 1, 0, 8, 8);
+
+    test1 ("Read 8 byte file",  "read-8", 0, 0, 0, 0);
+    test1 ("Read 8 byte file",  "read-8", 1, 1, 1, 1);
+    test1 ("Read 8 byte file",  "read-8", 4, 4, 4, 4);
+    test1 ("Read 8 byte file",  "read-8", 8, 0, 8, 8);
+    test1 ("Read 8 byte file",  "read-8", 8, 0,10, 1);
+
+    printf ("%d/%d Tests failed.\n", res, tests);
+    return res;
+}