mirror of
https://gitlab.com/qemu-project/qemu
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181 lines
5.9 KiB
C
181 lines
5.9 KiB
C
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/*
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* Unit tests for parsing of KEY=VALUE,... strings
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*
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* Copyright (C) 2017 Red Hat Inc.
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*
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* Authors:
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* Markus Armbruster <armbru@redhat.com>,
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "qapi/error.h"
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#include "qemu/option.h"
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static void test_keyval_parse(void)
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{
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Error *err = NULL;
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QDict *qdict, *sub_qdict;
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char long_key[129];
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char *params;
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/* Nothing */
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qdict = keyval_parse("", NULL, &error_abort);
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g_assert_cmpuint(qdict_size(qdict), ==, 0);
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QDECREF(qdict);
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/* Empty key (qemu_opts_parse() accepts this) */
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qdict = keyval_parse("=val", NULL, &err);
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error_free_or_abort(&err);
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g_assert(!qdict);
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/* Empty key fragment */
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qdict = keyval_parse(".", NULL, &err);
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error_free_or_abort(&err);
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g_assert(!qdict);
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qdict = keyval_parse("key.", NULL, &err);
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error_free_or_abort(&err);
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g_assert(!qdict);
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/* Overlong key */
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memset(long_key, 'a', 127);
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long_key[127] = 'z';
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long_key[128] = 0;
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params = g_strdup_printf("k.%s=v", long_key);
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qdict = keyval_parse(params + 2, NULL, &err);
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error_free_or_abort(&err);
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g_assert(!qdict);
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/* Overlong key fragment */
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qdict = keyval_parse(params, NULL, &err);
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error_free_or_abort(&err);
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g_assert(!qdict);
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g_free(params);
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/* Long key (qemu_opts_parse() accepts and truncates silently) */
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params = g_strdup_printf("k.%s=v", long_key + 1);
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qdict = keyval_parse(params + 2, NULL, &error_abort);
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g_assert_cmpuint(qdict_size(qdict), ==, 1);
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g_assert_cmpstr(qdict_get_try_str(qdict, long_key + 1), ==, "v");
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QDECREF(qdict);
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/* Long key fragment */
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qdict = keyval_parse(params, NULL, &error_abort);
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g_assert_cmpuint(qdict_size(qdict), ==, 1);
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sub_qdict = qdict_get_qdict(qdict, "k");
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g_assert(sub_qdict);
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g_assert_cmpuint(qdict_size(sub_qdict), ==, 1);
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g_assert_cmpstr(qdict_get_try_str(sub_qdict, long_key + 1), ==, "v");
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QDECREF(qdict);
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g_free(params);
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/* Multiple keys, last one wins */
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qdict = keyval_parse("a=1,b=2,,x,a=3", NULL, &error_abort);
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g_assert_cmpuint(qdict_size(qdict), ==, 2);
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g_assert_cmpstr(qdict_get_try_str(qdict, "a"), ==, "3");
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g_assert_cmpstr(qdict_get_try_str(qdict, "b"), ==, "2,x");
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QDECREF(qdict);
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/* Even when it doesn't in qemu_opts_parse() */
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qdict = keyval_parse("id=foo,id=bar", NULL, &error_abort);
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g_assert_cmpuint(qdict_size(qdict), ==, 1);
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g_assert_cmpstr(qdict_get_try_str(qdict, "id"), ==, "bar");
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QDECREF(qdict);
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/* Dotted keys */
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qdict = keyval_parse("a.b.c=1,a.b.c=2,d=3", NULL, &error_abort);
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g_assert_cmpuint(qdict_size(qdict), ==, 2);
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sub_qdict = qdict_get_qdict(qdict, "a");
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g_assert(sub_qdict);
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g_assert_cmpuint(qdict_size(sub_qdict), ==, 1);
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sub_qdict = qdict_get_qdict(sub_qdict, "b");
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g_assert(sub_qdict);
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g_assert_cmpuint(qdict_size(sub_qdict), ==, 1);
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g_assert_cmpstr(qdict_get_try_str(sub_qdict, "c"), ==, "2");
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g_assert_cmpstr(qdict_get_try_str(qdict, "d"), ==, "3");
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QDECREF(qdict);
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/* Inconsistent dotted keys */
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qdict = keyval_parse("a.b=1,a=2", NULL, &err);
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error_free_or_abort(&err);
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g_assert(!qdict);
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qdict = keyval_parse("a.b=1,a.b.c=2", NULL, &err);
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error_free_or_abort(&err);
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g_assert(!qdict);
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/* Trailing comma is ignored */
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qdict = keyval_parse("x=y,", NULL, &error_abort);
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g_assert_cmpuint(qdict_size(qdict), ==, 1);
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g_assert_cmpstr(qdict_get_try_str(qdict, "x"), ==, "y");
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QDECREF(qdict);
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/* Except when it isn't */
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qdict = keyval_parse(",", NULL, &err);
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error_free_or_abort(&err);
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g_assert(!qdict);
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/* Value containing ,id= not misinterpreted as qemu_opts_parse() does */
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qdict = keyval_parse("x=,,id=bar", NULL, &error_abort);
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g_assert_cmpuint(qdict_size(qdict), ==, 1);
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g_assert_cmpstr(qdict_get_try_str(qdict, "x"), ==, ",id=bar");
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QDECREF(qdict);
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/* Anti-social ID is left to caller (qemu_opts_parse() rejects it) */
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qdict = keyval_parse("id=666", NULL, &error_abort);
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g_assert_cmpuint(qdict_size(qdict), ==, 1);
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g_assert_cmpstr(qdict_get_try_str(qdict, "id"), ==, "666");
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QDECREF(qdict);
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/* Implied value not supported (unlike qemu_opts_parse()) */
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qdict = keyval_parse("an,noaus,noaus=", NULL, &err);
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error_free_or_abort(&err);
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g_assert(!qdict);
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/* Implied value, key "no" (qemu_opts_parse(): negated empty key) */
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qdict = keyval_parse("no", NULL, &err);
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error_free_or_abort(&err);
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g_assert(!qdict);
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/* Implied key */
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qdict = keyval_parse("an,aus=off,noaus=", "implied", &error_abort);
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g_assert_cmpuint(qdict_size(qdict), ==, 3);
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g_assert_cmpstr(qdict_get_try_str(qdict, "implied"), ==, "an");
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g_assert_cmpstr(qdict_get_try_str(qdict, "aus"), ==, "off");
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g_assert_cmpstr(qdict_get_try_str(qdict, "noaus"), ==, "");
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QDECREF(qdict);
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/* Implied dotted key */
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qdict = keyval_parse("val", "eins.zwei", &error_abort);
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g_assert_cmpuint(qdict_size(qdict), ==, 1);
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sub_qdict = qdict_get_qdict(qdict, "eins");
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g_assert(sub_qdict);
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g_assert_cmpuint(qdict_size(sub_qdict), ==, 1);
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g_assert_cmpstr(qdict_get_try_str(sub_qdict, "zwei"), ==, "val");
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QDECREF(qdict);
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/* Implied key with empty value (qemu_opts_parse() accepts this) */
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qdict = keyval_parse(",", "implied", &err);
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error_free_or_abort(&err);
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g_assert(!qdict);
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/* Likewise (qemu_opts_parse(): implied key with comma value) */
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qdict = keyval_parse(",,,a=1", "implied", &err);
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error_free_or_abort(&err);
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g_assert(!qdict);
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/* Empty key is not an implied key */
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qdict = keyval_parse("=val", "implied", &err);
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error_free_or_abort(&err);
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g_assert(!qdict);
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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("/keyval/keyval_parse", test_keyval_parse);
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g_test_run();
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return 0;
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}
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