239 lines
7.3 KiB
C
239 lines
7.3 KiB
C
/*
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* Copyright (c) 2009-2016 Petri Lehtinen <petri@digip.org>
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*
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* Jansson is free software; you can redistribute it and/or modify
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* it under the terms of the MIT license. See LICENSE for details.
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*/
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#include "util.h"
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#include <jansson.h>
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#include <string.h>
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static void file_not_found() {
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json_t *json;
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json_error_t error;
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char *pos;
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json = json_load_file("/path/to/nonexistent/file.json", 0, &error);
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if (json)
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fail("json_load_file returned non-NULL for a nonexistent file");
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if (error.line != -1)
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fail("json_load_file returned an invalid line number");
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/* The error message is locale specific, only check the beginning
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of the error message. */
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pos = strchr(error.text, ':');
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if (!pos)
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fail("json_load_file returne an invalid error message");
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*pos = '\0';
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if (strcmp(error.text, "unable to open /path/to/nonexistent/file.json") != 0)
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fail("json_load_file returned an invalid error message");
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if (json_error_code(&error) != json_error_cannot_open_file)
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fail("json_load_file returned an invalid error code");
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}
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static void very_long_file_name() {
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json_t *json;
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json_error_t error;
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json = json_load_file("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"
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"aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
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0, &error);
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if (json)
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fail("json_load_file returned non-NULL for a nonexistent file");
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if (error.line != -1)
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fail("json_load_file returned an invalid line number");
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if (strncmp(error.source, "...aaa", 6) != 0)
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fail("error source was set incorrectly");
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if (json_error_code(&error) != json_error_cannot_open_file)
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fail("error code was set incorrectly");
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}
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static void reject_duplicates() {
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json_error_t error;
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if (json_loads("{\"foo\": 1, \"foo\": 2}", JSON_REJECT_DUPLICATES, &error))
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fail("json_loads did not detect a duplicate key");
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check_error(json_error_duplicate_key, "duplicate object key near '\"foo\"'",
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"<string>", 1, 16, 16);
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}
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static void disable_eof_check() {
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json_error_t error;
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json_t *json;
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const char *text = "{\"foo\": 1} garbage";
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if (json_loads(text, 0, &error))
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fail("json_loads did not detect garbage after JSON text");
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check_error(json_error_end_of_input_expected, "end of file expected near 'garbage'",
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"<string>", 1, 18, 18);
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json = json_loads(text, JSON_DISABLE_EOF_CHECK, &error);
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if (!json)
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fail("json_loads failed with JSON_DISABLE_EOF_CHECK");
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json_decref(json);
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}
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static void decode_any() {
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json_t *json;
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json_error_t error;
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json = json_loads("\"foo\"", JSON_DECODE_ANY, &error);
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if (!json || !json_is_string(json))
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fail("json_load decoded any failed - string");
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json_decref(json);
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json = json_loads("42", JSON_DECODE_ANY, &error);
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if (!json || !json_is_integer(json))
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fail("json_load decoded any failed - integer");
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json_decref(json);
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json = json_loads("true", JSON_DECODE_ANY, &error);
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if (!json || !json_is_true(json))
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fail("json_load decoded any failed - boolean");
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json_decref(json);
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json = json_loads("null", JSON_DECODE_ANY, &error);
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if (!json || !json_is_null(json))
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fail("json_load decoded any failed - null");
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json_decref(json);
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}
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static void decode_int_as_real() {
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json_t *json;
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json_error_t error;
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#if JSON_INTEGER_IS_LONG_LONG
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const char *imprecise;
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json_int_t expected;
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#endif
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char big[311];
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json = json_loads("42", JSON_DECODE_INT_AS_REAL | JSON_DECODE_ANY, &error);
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if (!json || !json_is_real(json) || json_real_value(json) != 42.0)
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fail("json_load decode int as real failed - int");
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json_decref(json);
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#if JSON_INTEGER_IS_LONG_LONG
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/* This number cannot be represented exactly by a double */
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imprecise = "9007199254740993";
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expected = 9007199254740992ll;
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json = json_loads(imprecise, JSON_DECODE_INT_AS_REAL | JSON_DECODE_ANY, &error);
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if (!json || !json_is_real(json) || expected != (json_int_t)json_real_value(json))
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fail("json_load decode int as real failed - expected imprecision");
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json_decref(json);
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#endif
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/* 1E309 overflows. Here we create 1E309 as a decimal number, i.e.
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1000...(309 zeroes)...0. */
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big[0] = '1';
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memset(big + 1, '0', 309);
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big[310] = '\0';
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json = json_loads(big, JSON_DECODE_INT_AS_REAL | JSON_DECODE_ANY, &error);
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if (json || strcmp(error.text, "real number overflow") != 0 ||
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json_error_code(&error) != json_error_numeric_overflow)
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fail("json_load decode int as real failed - expected overflow");
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json_decref(json);
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}
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static void allow_nul() {
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const char *text = "\"nul byte \\u0000 in string\"";
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const char *expected = "nul byte \0 in string";
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size_t len = 20;
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json_t *json;
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json = json_loads(text, JSON_ALLOW_NUL | JSON_DECODE_ANY, NULL);
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if (!json || !json_is_string(json))
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fail("unable to decode embedded NUL byte");
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if (json_string_length(json) != len)
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fail("decoder returned wrong string length");
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if (memcmp(json_string_value(json), expected, len + 1))
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fail("decoder returned wrong string content");
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json_decref(json);
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}
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static void load_wrong_args() {
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json_t *json;
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json_error_t error;
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json = json_loads(NULL, 0, &error);
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if (json)
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fail("json_loads should return NULL if the first argument is NULL");
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json = json_loadb(NULL, 0, 0, &error);
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if (json)
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fail("json_loadb should return NULL if the first argument is NULL");
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json = json_loadf(NULL, 0, &error);
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if (json)
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fail("json_loadf should return NULL if the first argument is NULL");
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json = json_loadfd(-1, 0, &error);
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if (json)
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fail("json_loadfd should return NULL if the first argument is < 0");
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json = json_load_file(NULL, 0, &error);
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if (json)
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fail("json_load_file should return NULL if the first argument is NULL");
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}
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static void position() {
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json_t *json;
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size_t flags = JSON_DISABLE_EOF_CHECK;
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json_error_t error;
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json = json_loads("{\"foo\": \"bar\"}", 0, &error);
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if (error.position != 14)
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fail("json_loads returned a wrong position");
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json_decref(json);
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json = json_loads("{\"foo\": \"bar\"} baz quux", flags, &error);
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if (error.position != 14)
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fail("json_loads returned a wrong position");
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json_decref(json);
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}
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static void error_code() {
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json_error_t error;
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json_t *json = json_loads("[123] garbage", 0, &error);
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if (json != NULL)
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fail("json_loads returned not NULL");
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if (strlen(error.text) >= JSON_ERROR_TEXT_LENGTH)
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fail("error.text longer than expected");
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if (json_error_code(&error) != json_error_end_of_input_expected)
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fail("json_loads returned incorrect error code");
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json = json_loads("{\"foo\": ", 0, &error);
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if (json != NULL)
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fail("json_loads returned not NULL");
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if (strlen(error.text) >= JSON_ERROR_TEXT_LENGTH)
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fail("error.text longer than expected");
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if (json_error_code(&error) != json_error_premature_end_of_input)
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fail("json_loads returned incorrect error code");
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}
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static void run_tests() {
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file_not_found();
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very_long_file_name();
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reject_duplicates();
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disable_eof_check();
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decode_any();
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decode_int_as_real();
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allow_nul();
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load_wrong_args();
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position();
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error_code();
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}
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