| /* Copyright (c) 2011 The Chromium OS Authors. All rights reserved. |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| * |
| * Tests for utility functions |
| */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #define _STUB_IMPLEMENTATION_ /* So we can use memset() ourselves */ |
| |
| #include "test_common.h" |
| #include "utility.h" |
| #include "vboot_common.h" |
| |
| |
| /* Test utility.h and sysincludes.h macros */ |
| static void MacrosTest(void) { |
| int64_t a = -10, b = -20; |
| uint64_t u = UINT64_C(0xABCD00000000); |
| uint64_t v = UINT64_C(0xABCD000000); |
| |
| TEST_EQ(CombineUint16Pair(1, 2), 0x00010002, "CombineUint16Pair"); |
| TEST_EQ(CombineUint16Pair(0xFFFE, 0xFFFF), 0xFFFEFFFF, |
| "CombineUint16Pair 2"); |
| TEST_EQ(CombineUint16Pair(-4, -16), 0xFFFCFFF0, |
| "CombineUint16Pair big negative"); |
| TEST_EQ(CombineUint16Pair(0x10003, 0x10004), 0x00030004, |
| "CombineUint16Pair overflow"); |
| |
| TEST_EQ(Min(1, 2), 1, "Min 1"); |
| TEST_EQ(Min(4, 3), 3, "Min 2"); |
| TEST_EQ(Min(5, 5), 5, "Min 5"); |
| TEST_EQ(Min(a, b), b, "Min uint64 1"); |
| TEST_EQ(Min(b, a), b, "Min uint64 2"); |
| TEST_EQ(Min(b, b), b, "Min uint64 same"); |
| |
| TEST_EQ(UINT64_RSHIFT(u, 8), v, "UINT64_RSHIFT 8"); |
| TEST_EQ(UINT64_RSHIFT(u, 0), u, "UINT64_RSHIFT 0"); |
| TEST_EQ(UINT64_RSHIFT(u, 36), UINT64_C(0xABC), "UINT64_RSHIFT 36"); |
| |
| TEST_EQ(UINT64_MULT32(v, 0), 0, "UINT64_MULT32 0"); |
| TEST_EQ(UINT64_MULT32(v, 1), v, "UINT64_MULT32 1"); |
| TEST_EQ(UINT64_MULT32(v, 256), u, "UINT64_MULT32 256"); |
| } |
| |
| |
| /* Test SafeMemcmp */ |
| static void SafeMemcmpTest(void) { |
| /* Zero-length strings are equal */ |
| TEST_EQ(0, SafeMemcmp("APPLE", "TIGER", 0), "SafeMemcmp() size=0"); |
| |
| /* Test equal arrays */ |
| TEST_EQ(0, SafeMemcmp("clonebob", "clonebob", 8), "SafeMemcmp() equal"); |
| /* Inequality past end of array doesn't affect result */ |
| TEST_EQ(0, SafeMemcmp("clonebob", "clonedan", 5), "SafeMemcmp() equal2"); |
| |
| TEST_EQ(1, SafeMemcmp("APPLE", "TIGER", 5), "SafeMemcmp() unequal"); |
| TEST_EQ(1, SafeMemcmp("APPLE", "APPLe", 5), "SafeMemcmp() unequal 2"); |
| } |
| |
| |
| /* disable MSVC warnings on unused arguments */ |
| __pragma(warning (disable: 4100)) |
| |
| int main(int argc, char* argv[]) { |
| int error_code = 0; |
| |
| MacrosTest(); |
| SafeMemcmpTest(); |
| |
| if (!gTestSuccess) |
| error_code = 255; |
| |
| return error_code; |
| } |