#include "test.h"

#include "ltm/common.h"
#include "ltm/template.h"
#include "ltm/template_internal.h"

void test_single_placeholder() {
  const char *s = "Hello, {{ world }}!";

  ltm_template *template;
  TEST_ASSERT(ltm_template_compile(&template, s) == ltm_err_ok);

  ltm_instance *instance;
  TEST_CHECK(ltm_template_instantiate(&instance, template) == ltm_err_ok);

  TEST_CHECK(ltm_instance_block_add_var(instance, "world", ltm_instance_block_type_buf, "World", 5) == ltm_err_ok);

  TEST_CHECK(ltm_instance_size(instance) == 13);

  char buf[13];

  size_t written = 0;
  TEST_CHECK(ltm_instance_write(&written, buf, 5, instance) == ltm_err_ok);
  TEST_CHECK(written == 5);

  written = 0;
  TEST_CHECK(ltm_instance_write(&written, buf + 5, 5, instance) == ltm_err_ok);
  TEST_CHECK(written == 5);

  written = 0;
  TEST_CHECK(ltm_instance_write(&written, buf + 10, 5, instance) == ltm_err_done);
  TEST_CHECK(written == 3);

  TEST_CHECK(strncmp(buf, "Hello, World!", 13) == 0);
  TEST_DUMP("buf", buf, 13);

  ltm_instance_free(instance);
  ltm_template_free(template);
}

TEST_LIST = {
  { "instance single placeholder", test_single_placeholder },
  { NULL, NULL }
};