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json_test.c
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/* vi:set ts=8 sts=4 sw=4 noet:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* json_test.c: Unittests for json.c
*/
#undef NDEBUG
#include <assert.h>
/* Must include main.c because it contains much more than just main() */
#define NO_VIM_MAIN
#include "main.c"
/* This file has to be included because the tested functions are static */
#include "json.c"
#if defined(FEAT_EVAL)
/*
* Test json_find_end() with imcomplete items.
*/
static void
test_decode_find_end(void)
{
js_read_T reader;
reader.js_fill = NULL;
reader.js_used = 0;
/* string and incomplete string */
reader.js_buf = (char_u *)"\"hello\"";
assert(json_find_end(&reader, 0) == OK);
reader.js_buf = (char_u *)" \"hello\" ";
assert(json_find_end(&reader, 0) == OK);
reader.js_buf = (char_u *)"\"hello";
assert(json_find_end(&reader, 0) == MAYBE);
/* number and dash (incomplete number) */
reader.js_buf = (char_u *)"123";
assert(json_find_end(&reader, 0) == OK);
reader.js_buf = (char_u *)"-";
assert(json_find_end(&reader, 0) == MAYBE);
/* false, true and null, also incomplete */
reader.js_buf = (char_u *)"false";
assert(json_find_end(&reader, 0) == OK);
reader.js_buf = (char_u *)"f";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"fa";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"fal";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"fals";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"true";
assert(json_find_end(&reader, 0) == OK);
reader.js_buf = (char_u *)"t";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"tr";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"tru";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"null";
assert(json_find_end(&reader, 0) == OK);
reader.js_buf = (char_u *)"n";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"nu";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"nul";
assert(json_find_end(&reader, 0) == MAYBE);
/* object without white space */
reader.js_buf = (char_u *)"{\"a\":123}";
assert(json_find_end(&reader, 0) == OK);
reader.js_buf = (char_u *)"{\"a\":123";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"{\"a\":";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"{\"a\"";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"{\"a";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"{\"";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"{";
assert(json_find_end(&reader, 0) == MAYBE);
/* object with white space */
reader.js_buf = (char_u *)" { \"a\" : 123 } ";
assert(json_find_end(&reader, 0) == OK);
reader.js_buf = (char_u *)" { \"a\" : 123 ";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)" { \"a\" : ";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)" { \"a\" ";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)" { \"a ";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)" { ";
assert(json_find_end(&reader, 0) == MAYBE);
/* JS object with white space */
reader.js_buf = (char_u *)" { a : 123 } ";
assert(json_find_end(&reader, JSON_JS) == OK);
reader.js_buf = (char_u *)" { a : ";
assert(json_find_end(&reader, JSON_JS) == MAYBE);
/* array without white space */
reader.js_buf = (char_u *)"[\"a\",123]";
assert(json_find_end(&reader, 0) == OK);
reader.js_buf = (char_u *)"[\"a\",123";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"[\"a\",";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"[\"a\"";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"[\"a";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"[\"";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)"[";
assert(json_find_end(&reader, 0) == MAYBE);
/* array with white space */
reader.js_buf = (char_u *)" [ \"a\" , 123 ] ";
assert(json_find_end(&reader, 0) == OK);
reader.js_buf = (char_u *)" [ \"a\" , 123 ";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)" [ \"a\" , ";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)" [ \"a\" ";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)" [ \"a ";
assert(json_find_end(&reader, 0) == MAYBE);
reader.js_buf = (char_u *)" [ ";
assert(json_find_end(&reader, 0) == MAYBE);
}
static int
fill_from_cookie(js_read_T *reader)
{
reader->js_buf = reader->js_cookie;
return TRUE;
}
/*
* Test json_find_end with an incomplete array, calling the fill function.
*/
static void
test_fill_called_on_find_end(void)
{
js_read_T reader;
reader.js_fill = fill_from_cookie;
reader.js_used = 0;
reader.js_buf = (char_u *)" [ \"a\" , 123 ";
reader.js_cookie = " [ \"a\" , 123 ] ";
assert(json_find_end(&reader, 0) == OK);
reader.js_buf = (char_u *)" [ \"a\" , ";
assert(json_find_end(&reader, 0) == OK);
reader.js_buf = (char_u *)" [ \"a\" ";
assert(json_find_end(&reader, 0) == OK);
reader.js_buf = (char_u *)" [ \"a";
assert(json_find_end(&reader, 0) == OK);
reader.js_buf = (char_u *)" [ ";
assert(json_find_end(&reader, 0) == OK);
}
/*
* Test json_find_end with an incomplete string, calling the fill function.
*/
static void
test_fill_called_on_string(void)
{
js_read_T reader;
reader.js_fill = fill_from_cookie;
reader.js_used = 0;
reader.js_buf = (char_u *)" \"foo";
reader.js_end = reader.js_buf + STRLEN(reader.js_buf);
reader.js_cookie = " \"foobar\" ";
assert(json_decode_string(&reader, NULL, '"') == OK);
}
#endif
int
main(void)
{
#if defined(FEAT_EVAL)
test_decode_find_end();
test_fill_called_on_find_end();
test_fill_called_on_string();
#endif
return 0;
}