# Checking the btparser. -*- Autotest -*-

AT_BANNER([strbuf])

## ---------------------- ##
## strbuf_append_char ##
## ---------------------- ##

AT_TESTFUN([strbuf_append_char],
[[
#include "strbuf.h"
#include <assert.h>
int main(void)
{
  int i;
  struct strbuf *strbuf = strbuf_new();
  for (i = 0; i < 100; ++i)
  {
    assert(strbuf->len == i);
    assert(strbuf->alloc > strbuf->len);
    assert(strbuf->buf[i] == '\0');
    strbuf_append_char(strbuf, 'a');
    assert(strbuf->buf[i] == 'a');
    assert(strbuf->buf[i+1] == '\0');
    assert(strbuf->len == i + 1);
    assert(strbuf->alloc > strbuf->len);
  }
  strbuf_free(strbuf);
  return 0;
}
]])

## --------------------- ##
## strbuf_append_str ##
## --------------------- ##

AT_TESTFUN([strbuf_append_str],
[[
#include "strbuf.h"
#include <assert.h>

/* Test appending strings of certain length. 'len' must be < 50. */
void test(int len)
{
  int i;
  char str[50];
  for (i = 0; i < len; ++i)
    str[i] = 'a';
  str[i] = '\0';

  struct strbuf *strbuf = strbuf_new();
  for (i = 0; i < 100; ++i)
  {
    assert(strbuf->len == i*len);
    assert(strbuf->alloc > strbuf->len);
    assert(strbuf->buf[i*len] == '\0');
    strbuf_append_str(strbuf, str);
    assert(strbuf->buf[i*len] == str[0]);
    assert(strbuf->buf[i*len+len] == '\0');
    assert(strbuf->len == i*len + len);
    assert(strbuf->alloc > strbuf->len);
  }
  strbuf_free(strbuf);
}

int main(void)
{
  int i;
  for (i = 0; i < 50; ++i)
    test(i);
  return 0;
}
]])