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117 lines
2.4 KiB
117 lines
2.4 KiB
// SPDX-License-Identifier: LGPL-2.1-or-later |
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/* |
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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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#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(const 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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*ptr = 'r'; |
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check(fmt, 'r', -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("iuxsr", 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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