/*
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* Copyright 2011 The Chromium Authors, All Rights Reserved.
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*
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* utilfdt_test - Tests for utilfdt library
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <assert.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdint.h>
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#include <stdarg.h>
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#include <libfdt.h>
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#include <util.h>
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#include "tests.h"
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#include "testdata.h"
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static void check(const char *fmt, int expect_type, int expect_size)
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{
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int type;
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int size;
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if (utilfdt_decode_type(fmt, &type, &size))
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FAIL("format '%s': valid format string returned failure", fmt);
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if (expect_type != type)
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FAIL("format '%s': expected type='%c', got type='%c'", fmt,
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expect_type, type);
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if (expect_size != size)
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FAIL("format '%s': expected size=%d, got size=%d", fmt,
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expect_size, size);
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}
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static void checkfail(const char *fmt)
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{
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int type;
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int size;
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if (!utilfdt_decode_type(fmt, &type, &size))
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FAIL("format '%s': invalid format string returned success",
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fmt);
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}
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/**
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* Add the given modifier to each of the valid sizes, and check that we get
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* correct values.
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*
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* \param modifier Modifer string to use as a prefix
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* \param expected_size The size (in bytes) that we expect (ignored for
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* strings)
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*/
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static void check_sizes(char *modifier, int expected_size)
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{
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char fmt[10], *ptr;
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/* set up a string with a hole in it for the format character */
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if (strlen(modifier) + 2 >= sizeof(fmt))
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FAIL("modifier string '%s' too long", modifier);
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strcpy(fmt, modifier);
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ptr = fmt + strlen(fmt);
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ptr[1] = '\0';
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/* now try each format character in turn */
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*ptr = 'i';
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check(fmt, 'i', expected_size);
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*ptr = 'u';
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check(fmt, 'u', expected_size);
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*ptr = 'x';
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check(fmt, 'x', expected_size);
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*ptr = 's';
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check(fmt, 's', -1);
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}
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static void test_utilfdt_decode_type(void)
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{
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char fmt[10];
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int ch;
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/* check all the valid modifiers and sizes */
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check_sizes("", -1);
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check_sizes("b", 1);
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check_sizes("hh", 1);
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check_sizes("h", 2);
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check_sizes("l", 4);
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/* try every other character */
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checkfail("");
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for (ch = ' '; ch < 127; ch++) {
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if (!strchr("iuxs", ch)) {
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*fmt = ch;
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fmt[1] = '\0';
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checkfail(fmt);
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}
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}
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/* try a few modifiers at the end */
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checkfail("sx");
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checkfail("ihh");
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checkfail("xb");
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/* and one for the doomsday archives */
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checkfail("He has all the virtues I dislike and none of the vices "
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"I admire.");
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}
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int main(int argc, char *argv[])
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{
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test_utilfdt_decode_type();
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PASS();
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}
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