Add a few more cases to test_parse to provide some examples of how parsing works; should help address the questions raised in Issue #302.

This commit is contained in:
Eric Haszlakiewicz
2017-02-26 16:22:45 +00:00
parent d74b7eb144
commit 8c86207258
2 changed files with 51 additions and 2 deletions

View File

@@ -262,7 +262,38 @@ struct incremental_step {
/* To stop parsing a number we need to reach a non-digit, e.g. a \0 */
{ "1", 1, 1, json_tokener_continue, 0 },
/* This should parse as the number 12, since it continues the "1" */
{ "2", 2, 1, json_tokener_success, 0 },
{ "12{", 3, 2, json_tokener_success, 1 },
/* Similar tests for other kinds of objects: */
/* These could all return success immediately, since regardless of
what follows the false/true/null token we *will* return a json object,
but it currently doesn't work that way. hmm... */
{ "false", 5, 5, json_tokener_continue, 1 },
{ "false", 6, 5, json_tokener_success, 1 },
{ "true", 4, 4, json_tokener_continue, 1 },
{ "true", 5, 4, json_tokener_success, 1 },
{ "null", 4, 4, json_tokener_continue, 1 },
{ "null", 5, 4, json_tokener_success, 1 },
/* offset=1 because "n" is the start of "null". hmm... */
{ "noodle", 7, 1, json_tokener_error_parse_null, 1 },
/* offset=2 because "na" is the start of "nan". hmm... */
{ "naodle", 7, 2, json_tokener_error_parse_null, 1 },
/* offset=2 because "tr" is the start of "true". hmm... */
{ "track", 6, 2, json_tokener_error_parse_boolean, 1 },
/* Although they may initially look like they should fail,
the next few tests check that parsing multiple sequential
json objects in the input works as expected */
{ "null123", 9, 4, json_tokener_success, 0 },
{ "null123" + 4, 4, 3, json_tokener_success, 1 },
{ "nullx", 5, 4, json_tokener_success, 0 },
{ "nullx" + 4, 2, 0, json_tokener_error_parse_unexpected, 1 },
{ "{\"a\":1}{\"b\":2}",15, 7, json_tokener_success, 0 },
{ "{\"a\":1}{\"b\":2}" + 7,
8, 7, json_tokener_success, 1 },
/* Some bad formatting. Check we get the correct error status */
{ "2015-01-15", 10, 4, json_tokener_error_parse_number, 1 },
@@ -362,7 +393,9 @@ static void test_incremental_parse()
}
else
{
if (new_obj == NULL)
if (new_obj == NULL &&
!(step->length >= 4 &&
strncmp(step->string_to_parse, "null", 4) == 0))
printf("ERROR: expected valid object, instead: %s\n",
json_tokener_error_desc(jerr));
else if (tok->char_offset != expected_char_offset)