jansson/test/suites/api/test_unpack.c
2019-10-21 08:55:01 +03:00

435 lines
15 KiB
C

/*
* Copyright (c) 2009-2016 Petri Lehtinen <petri@digip.org>
* Copyright (c) 2010-2012 Graeme Smecher <graeme.smecher@mail.mcgill.ca>
*
* Jansson is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
#include "util.h"
#include <jansson.h>
#include <stdio.h>
#include <string.h>
static void run_tests() {
json_t *j, *j2;
int i1, i2, i3;
json_int_t I1;
int rv;
size_t z;
double f;
char *s;
json_error_t error;
/*
* Simple, valid json_pack cases
*/
/* true */
rv = json_unpack(json_true(), "b", &i1);
if (rv || !i1)
fail("json_unpack boolean failed");
/* false */
rv = json_unpack(json_false(), "b", &i1);
if (rv || i1)
fail("json_unpack boolean failed");
/* null */
if (json_unpack(json_null(), "n"))
fail("json_unpack null failed");
/* integer */
j = json_integer(42);
rv = json_unpack(j, "i", &i1);
if (rv || i1 != 42)
fail("json_unpack integer failed");
json_decref(j);
/* json_int_t */
j = json_integer(5555555);
rv = json_unpack(j, "I", &I1);
if (rv || I1 != 5555555)
fail("json_unpack json_int_t failed");
json_decref(j);
/* real */
j = json_real(1.7);
rv = json_unpack(j, "f", &f);
if (rv || f != 1.7)
fail("json_unpack real failed");
json_decref(j);
/* number */
j = json_integer(12345);
rv = json_unpack(j, "F", &f);
if (rv || f != 12345.0)
fail("json_unpack (real or) integer failed");
json_decref(j);
j = json_real(1.7);
rv = json_unpack(j, "F", &f);
if (rv || f != 1.7)
fail("json_unpack real (or integer) failed");
json_decref(j);
/* string */
j = json_string("foo");
rv = json_unpack(j, "s", &s);
if (rv || strcmp(s, "foo"))
fail("json_unpack string failed");
json_decref(j);
/* string with length (size_t) */
j = json_string("foo");
rv = json_unpack(j, "s%", &s, &z);
if (rv || strcmp(s, "foo") || z != 3)
fail("json_unpack string with length (size_t) failed");
json_decref(j);
/* empty object */
j = json_object();
if (json_unpack(j, "{}"))
fail("json_unpack empty object failed");
json_decref(j);
/* empty list */
j = json_array();
if (json_unpack(j, "[]"))
fail("json_unpack empty list failed");
json_decref(j);
/* non-incref'd object */
j = json_object();
rv = json_unpack(j, "o", &j2);
if (rv || j2 != j || j->refcount != 1)
fail("json_unpack object failed");
json_decref(j);
/* incref'd object */
j = json_object();
rv = json_unpack(j, "O", &j2);
if (rv || j2 != j || j->refcount != 2)
fail("json_unpack object failed");
json_decref(j);
json_decref(j);
/* simple object */
j = json_pack("{s:i}", "foo", 42);
rv = json_unpack(j, "{s:i}", "foo", &i1);
if (rv || i1 != 42)
fail("json_unpack simple object failed");
json_decref(j);
/* simple array */
j = json_pack("[iii]", 1, 2, 3);
rv = json_unpack(j, "[i,i,i]", &i1, &i2, &i3);
if (rv || i1 != 1 || i2 != 2 || i3 != 3)
fail("json_unpack simple array failed");
json_decref(j);
/* object with many items & strict checking */
j = json_pack("{s:i, s:i, s:i}", "a", 1, "b", 2, "c", 3);
rv = json_unpack(j, "{s:i, s:i, s:i}", "a", &i1, "b", &i2, "c", &i3);
if (rv || i1 != 1 || i2 != 2 || i3 != 3)
fail("json_unpack object with many items failed");
json_decref(j);
/*
* Invalid cases
*/
j = json_integer(42);
if (!json_unpack_ex(j, &error, 0, "z"))
fail("json_unpack succeeded with invalid format character");
check_error(json_error_invalid_format, "Unexpected format character 'z'",
"<format>", 1, 1, 1);
if (!json_unpack_ex(NULL, &error, 0, "[i]"))
fail("json_unpack succeeded with NULL root");
check_error(json_error_null_value, "NULL root value", "<root>", -1, -1, 0);
json_decref(j);
/* mismatched open/close array/object */
j = json_pack("[]");
if (!json_unpack_ex(j, &error, 0, "[}"))
fail("json_unpack failed to catch mismatched ']'");
check_error(json_error_invalid_format, "Unexpected format character '}'",
"<format>", 1, 2, 2);
json_decref(j);
j = json_pack("{}");
if (!json_unpack_ex(j, &error, 0, "{]"))
fail("json_unpack failed to catch mismatched '}'");
check_error(json_error_invalid_format, "Expected format 's', got ']'",
"<format>", 1, 2, 2);
json_decref(j);
/* missing close array */
j = json_pack("[]");
if (!json_unpack_ex(j, &error, 0, "["))
fail("json_unpack failed to catch missing ']'");
check_error(json_error_invalid_format, "Unexpected end of format string",
"<format>", 1, 2, 2);
json_decref(j);
/* missing close object */
j = json_pack("{}");
if (!json_unpack_ex(j, &error, 0, "{"))
fail("json_unpack failed to catch missing '}'");
check_error(json_error_invalid_format, "Unexpected end of format string",
"<format>", 1, 2, 2);
json_decref(j);
/* garbage after format string */
j = json_pack("[i]", 42);
if (!json_unpack_ex(j, &error, 0, "[i]a", &i1))
fail("json_unpack failed to catch garbage after format string");
check_error(json_error_invalid_format, "Garbage after format string",
"<format>", 1, 4, 4);
json_decref(j);
j = json_integer(12345);
if (!json_unpack_ex(j, &error, 0, "ia", &i1))
fail("json_unpack failed to catch garbage after format string");
check_error(json_error_invalid_format, "Garbage after format string",
"<format>", 1, 2, 2);
json_decref(j);
/* NULL format string */
j = json_pack("[]");
if (!json_unpack_ex(j, &error, 0, NULL))
fail("json_unpack failed to catch null format string");
check_error(json_error_invalid_argument, "NULL or empty format string",
"<format>", -1, -1, 0);
json_decref(j);
/* NULL string pointer */
j = json_string("foobie");
if (!json_unpack_ex(j, &error, 0, "s", NULL))
fail("json_unpack failed to catch null string pointer");
check_error(json_error_null_value, "NULL string argument", "<args>", 1, 1,
1);
json_decref(j);
/* invalid types */
j = json_integer(42);
j2 = json_string("foo");
if (!json_unpack_ex(j, &error, 0, "s"))
fail("json_unpack failed to catch invalid type");
check_error(json_error_wrong_type, "Expected string, got integer",
"<validation>", 1, 1, 1);
if (!json_unpack_ex(j, &error, 0, "n"))
fail("json_unpack failed to catch invalid type");
check_error(json_error_wrong_type, "Expected null, got integer",
"<validation>", 1, 1, 1);
if (!json_unpack_ex(j, &error, 0, "b"))
fail("json_unpack failed to catch invalid type");
check_error(json_error_wrong_type, "Expected true or false, got integer",
"<validation>", 1, 1, 1);
if (!json_unpack_ex(j2, &error, 0, "i"))
fail("json_unpack failed to catch invalid type");
check_error(json_error_wrong_type, "Expected integer, got string",
"<validation>", 1, 1, 1);
if (!json_unpack_ex(j2, &error, 0, "I"))
fail("json_unpack failed to catch invalid type");
check_error(json_error_wrong_type, "Expected integer, got string",
"<validation>", 1, 1, 1);
if (!json_unpack_ex(j, &error, 0, "f"))
fail("json_unpack failed to catch invalid type");
check_error(json_error_wrong_type, "Expected real, got integer",
"<validation>", 1, 1, 1);
if (!json_unpack_ex(j2, &error, 0, "F"))
fail("json_unpack failed to catch invalid type");
check_error(json_error_wrong_type, "Expected real or integer, got string",
"<validation>", 1, 1, 1);
if (!json_unpack_ex(j, &error, 0, "[i]"))
fail("json_unpack failed to catch invalid type");
check_error(json_error_wrong_type, "Expected array, got integer",
"<validation>", 1, 1, 1);
if (!json_unpack_ex(j, &error, 0, "{si}", "foo"))
fail("json_unpack failed to catch invalid type");
check_error(json_error_wrong_type, "Expected object, got integer",
"<validation>", 1, 1, 1);
json_decref(j);
json_decref(j2);
/* Array index out of range */
j = json_pack("[i]", 1);
if (!json_unpack_ex(j, &error, 0, "[ii]", &i1, &i2))
fail("json_unpack failed to catch index out of array bounds");
check_error(json_error_index_out_of_range, "Array index 1 out of range",
"<validation>", 1, 3, 3);
json_decref(j);
/* NULL object key */
j = json_pack("{si}", "foo", 42);
if (!json_unpack_ex(j, &error, 0, "{si}", NULL, &i1))
fail("json_unpack failed to catch null string pointer");
check_error(json_error_null_value, "NULL object key", "<args>", 1, 2, 2);
json_decref(j);
/* Object key not found */
j = json_pack("{si}", "foo", 42);
if (!json_unpack_ex(j, &error, 0, "{si}", "baz", &i1))
fail("json_unpack failed to catch null string pointer");
check_error(json_error_item_not_found, "Object item not found: baz",
"<validation>", 1, 3, 3);
json_decref(j);
/*
* Strict validation
*/
j = json_pack("[iii]", 1, 2, 3);
rv = json_unpack(j, "[iii!]", &i1, &i2, &i3);
if (rv || i1 != 1 || i2 != 2 || i3 != 3)
fail("json_unpack array with strict validation failed");
json_decref(j);
j = json_pack("[iii]", 1, 2, 3);
if (!json_unpack_ex(j, &error, 0, "[ii!]", &i1, &i2))
fail("json_unpack array with strict validation failed");
check_error(json_error_end_of_input_expected,
"1 array item(s) left unpacked", "<validation>", 1, 5, 5);
json_decref(j);
/* Like above, but with JSON_STRICT instead of '!' format */
j = json_pack("[iii]", 1, 2, 3);
if (!json_unpack_ex(j, &error, JSON_STRICT, "[ii]", &i1, &i2))
fail("json_unpack array with strict validation failed");
check_error(json_error_end_of_input_expected,
"1 array item(s) left unpacked", "<validation>", 1, 4, 4);
json_decref(j);
j = json_pack("{s:s, s:i}", "foo", "bar", "baz", 42);
rv = json_unpack(j, "{sssi!}", "foo", &s, "baz", &i1);
if (rv || strcmp(s, "bar") != 0 || i1 != 42)
fail("json_unpack object with strict validation failed");
json_decref(j);
/* Unpack the same item twice */
j = json_pack("{s:s, s:i, s:b}", "foo", "bar", "baz", 42, "quux", 1);
if (!json_unpack_ex(j, &error, 0, "{s:s,s:s!}", "foo", &s, "foo", &s))
fail("json_unpack object with strict validation failed");
{
const char *possible_errors[] = {
"2 object item(s) left unpacked: baz, quux",
"2 object item(s) left unpacked: quux, baz"};
check_errors(json_error_end_of_input_expected, possible_errors, 2,
"<validation>", 1, 10, 10);
}
json_decref(j);
j = json_pack("[i,{s:i,s:n},[i,i]]", 1, "foo", 2, "bar", 3, 4);
if (json_unpack_ex(j, NULL, JSON_STRICT | JSON_VALIDATE_ONLY,
"[i{sisn}[ii]]", "foo", "bar"))
fail("json_unpack complex value with strict validation failed");
json_decref(j);
/* ! and * must be last */
j = json_pack("[ii]", 1, 2);
if (!json_unpack_ex(j, &error, 0, "[i!i]", &i1, &i2))
fail("json_unpack failed to catch ! in the middle of an array");
check_error(json_error_invalid_format, "Expected ']' after '!', got 'i'",
"<format>", 1, 4, 4);
if (!json_unpack_ex(j, &error, 0, "[i*i]", &i1, &i2))
fail("json_unpack failed to catch * in the middle of an array");
check_error(json_error_invalid_format, "Expected ']' after '*', got 'i'",
"<format>", 1, 4, 4);
json_decref(j);
j = json_pack("{sssi}", "foo", "bar", "baz", 42);
if (!json_unpack_ex(j, &error, 0, "{ss!si}", "foo", &s, "baz", &i1))
fail("json_unpack failed to catch ! in the middle of an object");
check_error(json_error_invalid_format, "Expected '}' after '!', got 's'",
"<format>", 1, 5, 5);
if (!json_unpack_ex(j, &error, 0, "{ss*si}", "foo", &s, "baz", &i1))
fail("json_unpack failed to catch ! in the middle of an object");
check_error(json_error_invalid_format, "Expected '}' after '*', got 's'",
"<format>", 1, 5, 5);
json_decref(j);
/* Error in nested object */
j = json_pack("{s{snsn}}", "foo", "bar", "baz");
if (!json_unpack_ex(j, &error, 0, "{s{sn!}}", "foo", "bar"))
fail("json_unpack nested object with strict validation failed");
check_error(json_error_end_of_input_expected,
"1 object item(s) left unpacked: baz", "<validation>", 1, 7, 7);
json_decref(j);
/* Error in nested array */
j = json_pack("[[ii]]", 1, 2);
if (!json_unpack_ex(j, &error, 0, "[[i!]]", &i1))
fail("json_unpack nested array with strict validation failed");
check_error(json_error_end_of_input_expected,
"1 array item(s) left unpacked", "<validation>", 1, 5, 5);
json_decref(j);
/* Optional values */
j = json_object();
i1 = 0;
if (json_unpack(j, "{s?i}", "foo", &i1))
fail("json_unpack failed for optional key");
if (i1 != 0)
fail("json_unpack unpacked an optional key");
json_decref(j);
i1 = 0;
j = json_pack("{si}", "foo", 42);
if (json_unpack(j, "{s?i}", "foo", &i1))
fail("json_unpack failed for an optional value");
if (i1 != 42)
fail("json_unpack failed to unpack an optional value");
json_decref(j);
j = json_object();
i1 = i2 = i3 = 0;
if (json_unpack(j, "{s?[ii]s?{s{si}}}", "foo", &i1, &i2, "bar", "baz",
"quux", &i3))
fail("json_unpack failed for complex optional values");
if (i1 != 0 || i2 != 0 || i3 != 0)
fail("json_unpack unexpectedly unpacked something");
json_decref(j);
j = json_pack("{s{si}}", "foo", "bar", 42);
if (json_unpack(j, "{s?{s?i}}", "foo", "bar", &i1))
fail("json_unpack failed for complex optional values");
if (i1 != 42)
fail("json_unpack failed to unpack");
json_decref(j);
/* Combine ? and ! */
j = json_pack("{si}", "foo", 42);
i1 = i2 = 0;
if (json_unpack(j, "{sis?i!}", "foo", &i1, "bar", &i2))
fail("json_unpack failed for optional values with strict mode");
if (i1 != 42)
fail("json_unpack failed to unpack");
if (i2 != 0)
fail("json_unpack failed to unpack");
json_decref(j);
/* But don't compensate a missing key with an optional one. */
j = json_pack("{sisi}", "foo", 42, "baz", 43);
i1 = i2 = i3 = 0;
if (!json_unpack_ex(j, &error, 0, "{sis?i!}", "foo", &i1, "bar", &i2))
fail("json_unpack failed for optional values with strict mode and "
"compensation");
check_error(json_error_end_of_input_expected,
"1 object item(s) left unpacked: baz", "<validation>", 1, 8, 8);
json_decref(j);
}