/* $NetBSD: utilfdt_test.c,v 1.1.1.3 2019/12/22 12:34:06 skrll Exp $ */ // SPDX-License-Identifier: LGPL-2.1-or-later /* * Copyright 2011 The Chromium Authors, All Rights Reserved. * * utilfdt_test - Tests for utilfdt library */ #include #include #include #include #include #include #include #include #include "tests.h" #include "testdata.h" static void check(const char *fmt, int expect_type, int expect_size) { int type; int size; if (utilfdt_decode_type(fmt, &type, &size)) FAIL("format '%s': valid format string returned failure", fmt); if (expect_type != type) FAIL("format '%s': expected type='%c', got type='%c'", fmt, expect_type, type); if (expect_size != size) FAIL("format '%s': expected size=%d, got size=%d", fmt, expect_size, size); } static void checkfail(const char *fmt) { int type; int size; if (!utilfdt_decode_type(fmt, &type, &size)) FAIL("format '%s': invalid format string returned success", fmt); } /** * Add the given modifier to each of the valid sizes, and check that we get * correct values. * * \param modifier Modifer string to use as a prefix * \param expected_size The size (in bytes) that we expect (ignored for * strings) */ static void check_sizes(char *modifier, int expected_size) { char fmt[10], *ptr; /* set up a string with a hole in it for the format character */ if (strlen(modifier) + 2 >= sizeof(fmt)) FAIL("modifier string '%s' too long", modifier); strcpy(fmt, modifier); ptr = fmt + strlen(fmt); ptr[1] = '\0'; /* now try each format character in turn */ *ptr = 'i'; check(fmt, 'i', expected_size); *ptr = 'u'; check(fmt, 'u', expected_size); *ptr = 'x'; check(fmt, 'x', expected_size); *ptr = 's'; check(fmt, 's', -1); } static void test_utilfdt_decode_type(void) { char fmt[10]; int ch; /* check all the valid modifiers and sizes */ check_sizes("", -1); check_sizes("b", 1); check_sizes("hh", 1); check_sizes("h", 2); check_sizes("l", 4); /* try every other character */ checkfail(""); for (ch = ' '; ch < 127; ch++) { if (!strchr("iuxs", ch)) { *fmt = ch; fmt[1] = '\0'; checkfail(fmt); } } /* try a few modifiers at the end */ checkfail("sx"); checkfail("ihh"); checkfail("xb"); /* and one for the doomsday archives */ checkfail("He has all the virtues I dislike and none of the vices " "I admire."); } int main(int argc, char *argv[]) { test_utilfdt_decode_type(); PASS(); }