mirror of https://gitee.com/openkylin/qemu.git
329 lines
10 KiB
C
329 lines
10 KiB
C
/*
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* Generic QObject unit-tests.
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*
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* Copyright (C) 2017 Red Hat Inc.
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*
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* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
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* See the COPYING.LIB file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "qapi/qmp/types.h"
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#include "qemu-common.h"
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#include <math.h>
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/* Marks the end of the test_equality() argument list.
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* We cannot use NULL there because that is a valid argument. */
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static QObject test_equality_end_of_arguments;
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/**
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* Test whether all variadic QObject *arguments are equal (@expected
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* is true) or whether they are all not equal (@expected is false).
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* Every QObject is tested to be equal to itself (to test
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* reflexivity), all tests are done both ways (to test symmetry), and
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* transitivity is not assumed but checked (each object is compared to
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* every other one).
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*
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* Note that qobject_is_equal() is not really an equivalence relation,
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* so this function may not be used for all objects (reflexivity is
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* not guaranteed, e.g. in the case of a QNum containing NaN).
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*
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* The @_ argument is required because a boolean may not be the last
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* argument before a variadic argument list (C11 7.16.1.4 para. 4).
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*/
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static void do_test_equality(bool expected, int _, ...)
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{
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va_list ap_count, ap_extract;
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QObject **args;
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int arg_count = 0;
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int i, j;
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va_start(ap_count, _);
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va_copy(ap_extract, ap_count);
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while (va_arg(ap_count, QObject *) != &test_equality_end_of_arguments) {
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arg_count++;
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}
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va_end(ap_count);
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args = g_new(QObject *, arg_count);
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for (i = 0; i < arg_count; i++) {
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args[i] = va_arg(ap_extract, QObject *);
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}
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va_end(ap_extract);
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for (i = 0; i < arg_count; i++) {
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g_assert(qobject_is_equal(args[i], args[i]) == true);
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for (j = i + 1; j < arg_count; j++) {
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g_assert(qobject_is_equal(args[i], args[j]) == expected);
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}
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}
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}
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#define check_equal(...) \
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do_test_equality(true, 0, __VA_ARGS__, &test_equality_end_of_arguments)
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#define check_unequal(...) \
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do_test_equality(false, 0, __VA_ARGS__, &test_equality_end_of_arguments)
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static void do_free_all(int _, ...)
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{
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va_list ap;
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QObject *obj;
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va_start(ap, _);
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while ((obj = va_arg(ap, QObject *)) != NULL) {
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qobject_decref(obj);
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}
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va_end(ap);
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}
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#define free_all(...) \
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do_free_all(0, __VA_ARGS__, NULL)
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static void qobject_is_equal_null_test(void)
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{
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check_unequal(qnull(), NULL);
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}
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static void qobject_is_equal_num_test(void)
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{
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QNum *u0, *i0, *d0, *dnan, *um42, *im42, *dm42;
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u0 = qnum_from_uint(0u);
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i0 = qnum_from_int(0);
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d0 = qnum_from_double(0.0);
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dnan = qnum_from_double(NAN);
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um42 = qnum_from_uint((uint64_t)-42);
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im42 = qnum_from_int(-42);
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dm42 = qnum_from_double(-42.0);
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/* Integers representing a mathematically equal number should
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* compare equal */
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check_equal(u0, i0);
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/* Doubles, however, are always unequal to integers */
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check_unequal(u0, d0);
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check_unequal(i0, d0);
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/* Do not assume any object is equal to itself -- note however
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* that NaN cannot occur in a JSON object anyway. */
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g_assert(qobject_is_equal(QOBJECT(dnan), QOBJECT(dnan)) == false);
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/* No unsigned overflow */
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check_unequal(um42, im42);
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check_unequal(um42, dm42);
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check_unequal(im42, dm42);
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free_all(u0, i0, d0, dnan, um42, im42, dm42);
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}
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static void qobject_is_equal_bool_test(void)
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{
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QBool *btrue_0, *btrue_1, *bfalse_0, *bfalse_1;
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btrue_0 = qbool_from_bool(true);
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btrue_1 = qbool_from_bool(true);
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bfalse_0 = qbool_from_bool(false);
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bfalse_1 = qbool_from_bool(false);
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check_equal(btrue_0, btrue_1);
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check_equal(bfalse_0, bfalse_1);
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check_unequal(btrue_0, bfalse_0);
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free_all(btrue_0, btrue_1, bfalse_0, bfalse_1);
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}
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static void qobject_is_equal_string_test(void)
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{
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QString *str_base, *str_whitespace_0, *str_whitespace_1, *str_whitespace_2;
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QString *str_whitespace_3, *str_case, *str_built;
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str_base = qstring_from_str("foo");
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str_whitespace_0 = qstring_from_str(" foo");
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str_whitespace_1 = qstring_from_str("foo ");
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str_whitespace_2 = qstring_from_str("foo\b");
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str_whitespace_3 = qstring_from_str("fooo\b");
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str_case = qstring_from_str("Foo");
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/* Should yield "foo" */
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str_built = qstring_from_substr("form", 0, 1);
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qstring_append_chr(str_built, 'o');
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check_unequal(str_base, str_whitespace_0, str_whitespace_1,
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str_whitespace_2, str_whitespace_3, str_case);
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check_equal(str_base, str_built);
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free_all(str_base, str_whitespace_0, str_whitespace_1, str_whitespace_2,
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str_whitespace_3, str_case, str_built);
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}
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static void qobject_is_equal_list_test(void)
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{
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QList *list_0, *list_1, *list_cloned;
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QList *list_reordered, *list_longer, *list_shorter;
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list_0 = qlist_new();
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list_1 = qlist_new();
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list_reordered = qlist_new();
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list_longer = qlist_new();
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list_shorter = qlist_new();
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qlist_append_int(list_0, 1);
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qlist_append_int(list_0, 2);
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qlist_append_int(list_0, 3);
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qlist_append_int(list_1, 1);
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qlist_append_int(list_1, 2);
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qlist_append_int(list_1, 3);
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qlist_append_int(list_reordered, 1);
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qlist_append_int(list_reordered, 3);
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qlist_append_int(list_reordered, 2);
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qlist_append_int(list_longer, 1);
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qlist_append_int(list_longer, 2);
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qlist_append_int(list_longer, 3);
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qlist_append_null(list_longer);
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qlist_append_int(list_shorter, 1);
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qlist_append_int(list_shorter, 2);
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list_cloned = qlist_copy(list_0);
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check_equal(list_0, list_1, list_cloned);
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check_unequal(list_0, list_reordered, list_longer, list_shorter);
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/* With a NaN in it, the list should no longer compare equal to
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* itself */
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qlist_append(list_0, qnum_from_double(NAN));
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g_assert(qobject_is_equal(QOBJECT(list_0), QOBJECT(list_0)) == false);
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free_all(list_0, list_1, list_cloned, list_reordered, list_longer,
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list_shorter);
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}
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static void qobject_is_equal_dict_test(void)
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{
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Error *local_err = NULL;
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QDict *dict_0, *dict_1, *dict_cloned;
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QDict *dict_different_key, *dict_different_value, *dict_different_null_key;
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QDict *dict_longer, *dict_shorter, *dict_nested;
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QDict *dict_crumpled;
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dict_0 = qdict_new();
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dict_1 = qdict_new();
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dict_different_key = qdict_new();
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dict_different_value = qdict_new();
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dict_different_null_key = qdict_new();
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dict_longer = qdict_new();
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dict_shorter = qdict_new();
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dict_nested = qdict_new();
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qdict_put_int(dict_0, "f.o", 1);
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qdict_put_int(dict_0, "bar", 2);
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qdict_put_int(dict_0, "baz", 3);
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qdict_put_null(dict_0, "null");
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qdict_put_int(dict_1, "f.o", 1);
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qdict_put_int(dict_1, "bar", 2);
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qdict_put_int(dict_1, "baz", 3);
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qdict_put_null(dict_1, "null");
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qdict_put_int(dict_different_key, "F.o", 1);
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qdict_put_int(dict_different_key, "bar", 2);
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qdict_put_int(dict_different_key, "baz", 3);
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qdict_put_null(dict_different_key, "null");
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qdict_put_int(dict_different_value, "f.o", 42);
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qdict_put_int(dict_different_value, "bar", 2);
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qdict_put_int(dict_different_value, "baz", 3);
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qdict_put_null(dict_different_value, "null");
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qdict_put_int(dict_different_null_key, "f.o", 1);
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qdict_put_int(dict_different_null_key, "bar", 2);
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qdict_put_int(dict_different_null_key, "baz", 3);
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qdict_put_null(dict_different_null_key, "none");
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qdict_put_int(dict_longer, "f.o", 1);
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qdict_put_int(dict_longer, "bar", 2);
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qdict_put_int(dict_longer, "baz", 3);
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qdict_put_int(dict_longer, "xyz", 4);
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qdict_put_null(dict_longer, "null");
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qdict_put_int(dict_shorter, "f.o", 1);
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qdict_put_int(dict_shorter, "bar", 2);
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qdict_put_int(dict_shorter, "baz", 3);
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qdict_put(dict_nested, "f", qdict_new());
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qdict_put_int(qdict_get_qdict(dict_nested, "f"), "o", 1);
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qdict_put_int(dict_nested, "bar", 2);
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qdict_put_int(dict_nested, "baz", 3);
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qdict_put_null(dict_nested, "null");
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dict_cloned = qdict_clone_shallow(dict_0);
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check_equal(dict_0, dict_1, dict_cloned);
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check_unequal(dict_0, dict_different_key, dict_different_value,
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dict_different_null_key, dict_longer, dict_shorter,
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dict_nested);
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dict_crumpled = qobject_to_qdict(qdict_crumple(dict_1, &local_err));
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g_assert(!local_err);
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check_equal(dict_crumpled, dict_nested);
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qdict_flatten(dict_nested);
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check_equal(dict_0, dict_nested);
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/* Containing an NaN value will make this dict compare unequal to
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* itself */
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qdict_put(dict_0, "NaN", qnum_from_double(NAN));
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g_assert(qobject_is_equal(QOBJECT(dict_0), QOBJECT(dict_0)) == false);
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free_all(dict_0, dict_1, dict_cloned, dict_different_key,
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dict_different_value, dict_different_null_key, dict_longer,
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dict_shorter, dict_nested, dict_crumpled);
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}
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static void qobject_is_equal_conversion_test(void)
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{
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QNum *u0, *i0, *d0;
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QString *s0, *s_empty;
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QBool *bfalse;
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u0 = qnum_from_uint(0u);
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i0 = qnum_from_int(0);
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d0 = qnum_from_double(0.0);
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s0 = qstring_from_str("0");
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s_empty = qstring_new();
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bfalse = qbool_from_bool(false);
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/* No automatic type conversion */
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check_unequal(u0, s0, s_empty, bfalse, qnull(), NULL);
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check_unequal(i0, s0, s_empty, bfalse, qnull(), NULL);
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check_unequal(d0, s0, s_empty, bfalse, qnull(), NULL);
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free_all(u0, i0, d0, s0, s_empty, bfalse);
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}
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int main(int argc, char **argv)
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{
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g_test_init(&argc, &argv, NULL);
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g_test_add_func("/public/qobject_is_equal_null",
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qobject_is_equal_null_test);
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g_test_add_func("/public/qobject_is_equal_num", qobject_is_equal_num_test);
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g_test_add_func("/public/qobject_is_equal_bool",
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qobject_is_equal_bool_test);
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g_test_add_func("/public/qobject_is_equal_string",
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qobject_is_equal_string_test);
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g_test_add_func("/public/qobject_is_equal_list",
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qobject_is_equal_list_test);
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g_test_add_func("/public/qobject_is_equal_dict",
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qobject_is_equal_dict_test);
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g_test_add_func("/public/qobject_is_equal_conversion",
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qobject_is_equal_conversion_test);
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return g_test_run();
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}
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