Implement multiline and hints support

[linenoise.git] / teststringbuf.c

diff --git a/teststringbuf.c b/teststringbuf.c
new file mode 100644 (file)
index 0000000..5a2a8b2
--- /dev/null
+++ b/teststringbuf.c
@@ -0,0 +1,137 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdarg.h>
+
+#include <assert.h>
+#include <stringbuf.h>
+
+static void show_buf(stringbuf *sb)
+{
+       printf("[%d] = %s\n", sb_len(sb), sb_str(sb));
+}
+
+#define validate_buf(SB, EXP) validate_buf_(__FILE__, __LINE__, SB, EXP)
+
+static void validate_buf_(const char *file, int line, stringbuf *sb, const char *expected)
+{
+       const char *pt = sb_str(sb);
+       if (pt == NULL) {
+               if (expected != NULL) {
+                       fprintf(stderr, "%s:%d: Error: Expected NULL, got '%s'\n", file, line, pt);
+                       abort();
+               }
+       }
+       else if (strcmp(pt, expected) != 0) {
+               show_buf(sb);
+               fprintf(stderr, "%s:%d: Error: Expected '%s', got '%s'\n", file, line, expected, pt);
+               abort();
+       }
+       sb_free(sb);
+}
+
+int main(void)
+{
+       stringbuf *sb;
+       char *pt;
+
+       sb = sb_alloc();
+       validate_buf(sb, NULL);
+
+       sb = sb_alloc();
+       sb_append(sb, "hello");
+       sb_append(sb, "world");
+       validate_buf(sb, "helloworld");
+
+       sb = sb_alloc();
+       sb_append(sb, "hello");
+       sb_append(sb, "world");
+       sb_append(sb, "");
+       sb_append(sb, "xxx");
+       assert(sb_len(sb) == 13);
+       validate_buf(sb, "helloworldxxx");
+
+       sb = sb_alloc();
+       sb_append(sb, "first");
+       sb_append(sb, "string");
+       validate_buf(sb, "firststring");
+
+       sb = sb_alloc();
+       sb_append(sb, "");
+       validate_buf(sb, "");
+
+       sb = sb_alloc();
+       sb_append_len(sb, "one string here", 3);
+       sb_append_len(sb, "second string here", 6);
+       validate_buf(sb, "onesecond");
+
+       sb = sb_alloc();
+       sb_append_len(sb, "one string here", 3);
+       sb_append_len(sb, "second string here", 6);
+       pt = sb_to_string(sb);
+       assert(strcmp(pt, "onesecond") == 0);
+       free(pt);
+
+       sb = sb_alloc();
+       pt = sb_to_string(sb);
+       assert(strcmp(pt, "") == 0);
+       free(pt);
+
+       sb = sb_alloc();
+       sb_append(sb, "one");
+       sb_append(sb, "three");
+       sb_insert(sb, 3, "two");
+       validate_buf(sb, "onetwothree");
+
+       sb = sb_alloc();
+       sb_insert(sb, 0, "two");
+       sb_insert(sb, 0, "one");
+       sb_insert(sb, 20, "three");
+       validate_buf(sb, "onetwothree");
+
+       sb = sb_alloc();
+       sb_append(sb, "one");
+       sb_append(sb, "extra");
+       sb_append(sb, "two");
+       sb_append(sb, "three");
+       sb_delete(sb, 3, 5);
+       validate_buf(sb, "onetwothree");
+
+       sb = sb_alloc();
+       sb_append(sb, "one");
+       sb_append(sb, "two");
+       sb_append(sb, "three");
+       validate_buf(sb, "onetwothree");
+       /*sb_delete(sb, 6, -1);*/
+       /*validate_buf(sb, "onetwo");*/
+
+       sb = sb_alloc();
+       sb_append(sb, "one");
+       sb_append(sb, "two");
+       sb_append(sb, "three");
+       sb_delete(sb, 0, -1);
+       validate_buf(sb, "");
+
+       sb = sb_alloc();
+       sb_append(sb, "one");
+       sb_append(sb, "two");
+       sb_append(sb, "three");
+       sb_delete(sb, 50, 20);
+       validate_buf(sb, "onetwothree");
+
+       /* OK to sb_free() a NULL pointer */
+       sb_free(NULL);
+
+#ifdef USE_UTF8
+       sb = sb_alloc();
+       sb_append(sb, "oneµtwo");
+       assert(sb_len(sb) == 8);
+       assert(sb_chars(sb) == 7);
+       sb_delete(sb, 3, 2);
+       assert(sb_len(sb) == 6);
+       assert(sb_chars(sb) == 6);
+       validate_buf(sb, "onetwo");
+#endif
+
+       return(0);
+}