376 lines
10 KiB
C
376 lines
10 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 test_copy_simple(void) {
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json_t *value, *copy;
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if (json_copy(NULL))
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fail("copying NULL doesn't return NULL");
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/* true */
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value = json_true();
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copy = json_copy(value);
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if (value != copy)
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fail("copying true failed");
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json_decref(value);
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json_decref(copy);
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/* false */
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value = json_false();
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copy = json_copy(value);
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if (value != copy)
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fail("copying false failed");
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json_decref(value);
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json_decref(copy);
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/* null */
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value = json_null();
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copy = json_copy(value);
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if (value != copy)
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fail("copying null failed");
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json_decref(value);
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json_decref(copy);
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/* string */
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value = json_string("foo");
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if (!value)
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fail("unable to create a string");
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copy = json_copy(value);
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if (!copy)
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fail("unable to copy a string");
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if (copy == value)
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fail("copying a string doesn't copy");
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if (!json_equal(copy, value))
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fail("copying a string produces an inequal copy");
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if (value->refcount != 1 || copy->refcount != 1)
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fail("invalid refcounts");
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json_decref(value);
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json_decref(copy);
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/* integer */
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value = json_integer(543);
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if (!value)
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fail("unable to create an integer");
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copy = json_copy(value);
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if (!copy)
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fail("unable to copy an integer");
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if (copy == value)
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fail("copying an integer doesn't copy");
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if (!json_equal(copy, value))
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fail("copying an integer produces an inequal copy");
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if (value->refcount != 1 || copy->refcount != 1)
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fail("invalid refcounts");
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json_decref(value);
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json_decref(copy);
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/* real */
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value = json_real(123e9);
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if (!value)
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fail("unable to create a real");
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copy = json_copy(value);
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if (!copy)
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fail("unable to copy a real");
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if (copy == value)
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fail("copying a real doesn't copy");
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if (!json_equal(copy, value))
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fail("copying a real produces an inequal copy");
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if (value->refcount != 1 || copy->refcount != 1)
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fail("invalid refcounts");
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json_decref(value);
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json_decref(copy);
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}
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static void test_deep_copy_simple(void) {
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json_t *value, *copy;
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if (json_deep_copy(NULL))
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fail("deep copying NULL doesn't return NULL");
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/* true */
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value = json_true();
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copy = json_deep_copy(value);
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if (value != copy)
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fail("deep copying true failed");
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json_decref(value);
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json_decref(copy);
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/* false */
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value = json_false();
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copy = json_deep_copy(value);
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if (value != copy)
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fail("deep copying false failed");
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json_decref(value);
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json_decref(copy);
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/* null */
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value = json_null();
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copy = json_deep_copy(value);
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if (value != copy)
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fail("deep copying null failed");
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json_decref(value);
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json_decref(copy);
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/* string */
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value = json_string("foo");
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if (!value)
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fail("unable to create a string");
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copy = json_deep_copy(value);
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if (!copy)
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fail("unable to deep copy a string");
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if (copy == value)
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fail("deep copying a string doesn't copy");
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if (!json_equal(copy, value))
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fail("deep copying a string produces an inequal copy");
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if (value->refcount != 1 || copy->refcount != 1)
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fail("invalid refcounts");
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json_decref(value);
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json_decref(copy);
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/* integer */
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value = json_integer(543);
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if (!value)
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fail("unable to create an integer");
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copy = json_deep_copy(value);
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if (!copy)
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fail("unable to deep copy an integer");
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if (copy == value)
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fail("deep copying an integer doesn't copy");
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if (!json_equal(copy, value))
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fail("deep copying an integer produces an inequal copy");
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if (value->refcount != 1 || copy->refcount != 1)
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fail("invalid refcounts");
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json_decref(value);
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json_decref(copy);
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/* real */
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value = json_real(123e9);
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if (!value)
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fail("unable to create a real");
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copy = json_deep_copy(value);
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if (!copy)
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fail("unable to deep copy a real");
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if (copy == value)
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fail("deep copying a real doesn't copy");
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if (!json_equal(copy, value))
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fail("deep copying a real produces an inequal copy");
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if (value->refcount != 1 || copy->refcount != 1)
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fail("invalid refcounts");
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json_decref(value);
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json_decref(copy);
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}
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static void test_copy_array(void) {
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const char *json_array_text = "[1, \"foo\", 3.141592, {\"foo\": \"bar\"}]";
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json_t *array, *copy;
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size_t i;
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array = json_loads(json_array_text, 0, NULL);
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if (!array)
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fail("unable to parse an array");
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copy = json_copy(array);
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if (!copy)
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fail("unable to copy an array");
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if (copy == array)
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fail("copying an array doesn't copy");
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if (!json_equal(copy, array))
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fail("copying an array produces an inequal copy");
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for (i = 0; i < json_array_size(copy); i++) {
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if (json_array_get(array, i) != json_array_get(copy, i))
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fail("copying an array modifies its elements");
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}
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json_decref(array);
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json_decref(copy);
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}
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static void test_deep_copy_array(void) {
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const char *json_array_text = "[1, \"foo\", 3.141592, {\"foo\": \"bar\"}]";
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json_t *array, *copy;
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size_t i;
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array = json_loads(json_array_text, 0, NULL);
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if (!array)
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fail("unable to parse an array");
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copy = json_deep_copy(array);
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if (!copy)
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fail("unable to deep copy an array");
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if (copy == array)
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fail("deep copying an array doesn't copy");
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if (!json_equal(copy, array))
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fail("deep copying an array produces an inequal copy");
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for (i = 0; i < json_array_size(copy); i++) {
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if (json_array_get(array, i) == json_array_get(copy, i))
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fail("deep copying an array doesn't copy its elements");
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}
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json_decref(array);
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json_decref(copy);
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}
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static void test_copy_object(void) {
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const char *json_object_text =
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"{\"foo\": \"bar\", \"a\": 1, \"b\": 3.141592, \"c\": [1,2,3,4]}";
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const char *keys[] = {"foo", "a", "b", "c"};
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int i;
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json_t *object, *copy;
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void *iter;
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object = json_loads(json_object_text, 0, NULL);
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if (!object)
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fail("unable to parse an object");
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copy = json_copy(object);
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if (!copy)
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fail("unable to copy an object");
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if (copy == object)
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fail("copying an object doesn't copy");
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if (!json_equal(copy, object))
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fail("copying an object produces an inequal copy");
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i = 0;
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iter = json_object_iter(object);
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while (iter) {
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const char *key;
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json_t *value1, *value2;
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key = json_object_iter_key(iter);
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value1 = json_object_iter_value(iter);
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value2 = json_object_get(copy, key);
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if (value1 != value2)
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fail("copying an object modifies its items");
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if (strcmp(key, keys[i]) != 0)
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fail("copying an object doesn't preserve key order");
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iter = json_object_iter_next(object, iter);
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i++;
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}
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json_decref(object);
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json_decref(copy);
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}
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static void test_deep_copy_object(void) {
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const char *json_object_text =
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"{\"foo\": \"bar\", \"a\": 1, \"b\": 3.141592, \"c\": [1,2,3,4]}";
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const char *keys[] = {"foo", "a", "b", "c"};
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int i;
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json_t *object, *copy;
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void *iter;
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object = json_loads(json_object_text, 0, NULL);
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if (!object)
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fail("unable to parse an object");
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copy = json_deep_copy(object);
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if (!copy)
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fail("unable to deep copy an object");
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if (copy == object)
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fail("deep copying an object doesn't copy");
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if (!json_equal(copy, object))
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fail("deep copying an object produces an inequal copy");
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i = 0;
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iter = json_object_iter(object);
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while (iter) {
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const char *key;
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json_t *value1, *value2;
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key = json_object_iter_key(iter);
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value1 = json_object_iter_value(iter);
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value2 = json_object_get(copy, key);
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if (value1 == value2)
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fail("deep copying an object doesn't copy its items");
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if (strcmp(key, keys[i]) != 0)
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fail("deep copying an object doesn't preserve key order");
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iter = json_object_iter_next(object, iter);
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i++;
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}
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json_decref(object);
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json_decref(copy);
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}
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static void test_deep_copy_circular_references(void) {
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/* Construct a JSON object/array with a circular reference:
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object: {"a": {"b": {"c": <circular reference to $.a>}}}
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array: [[[<circular reference to the $[0] array>]]]
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Deep copy it, remove the circular reference and deep copy again.
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*/
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json_t *json;
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json_t *copy;
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json = json_object();
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json_object_set_new(json, "a", json_object());
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json_object_set_new(json_object_get(json, "a"), "b", json_object());
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json_object_set(json_object_get(json_object_get(json, "a"), "b"), "c",
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json_object_get(json, "a"));
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copy = json_deep_copy(json);
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if (copy)
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fail("json_deep_copy copied a circular reference!");
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json_object_del(json_object_get(json_object_get(json, "a"), "b"), "c");
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copy = json_deep_copy(json);
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if (!copy)
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fail("json_deep_copy failed!");
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json_decref(copy);
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json_decref(json);
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json = json_array();
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json_array_append_new(json, json_array());
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json_array_append_new(json_array_get(json, 0), json_array());
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json_array_append(json_array_get(json_array_get(json, 0), 0),
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json_array_get(json, 0));
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copy = json_deep_copy(json);
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if (copy)
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fail("json_deep_copy copied a circular reference!");
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json_array_remove(json_array_get(json_array_get(json, 0), 0), 0);
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copy = json_deep_copy(json);
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if (!copy)
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fail("json_deep_copy failed!");
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json_decref(copy);
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json_decref(json);
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}
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static void run_tests() {
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test_copy_simple();
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test_deep_copy_simple();
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test_copy_array();
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test_deep_copy_array();
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test_copy_object();
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test_deep_copy_object();
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test_deep_copy_circular_references();
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}
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