Randall Spangler | a3454fc | 2011-08-23 14:41:18 -0700 | [diff] [blame] | 1 | /* Copyright (c) 2011 The Chromium OS Authors. All rights reserved. |
| 2 | * Use of this source code is governed by a BSD-style license that can be |
| 3 | * found in the LICENSE file. |
| 4 | * |
Randall Spangler | f02bbb4 | 2011-08-24 14:16:01 -0700 | [diff] [blame] | 5 | * Tests for utility functions |
Randall Spangler | a3454fc | 2011-08-23 14:41:18 -0700 | [diff] [blame] | 6 | */ |
| 7 | |
Bill Richardson | 0c3ba24 | 2013-03-29 11:09:30 -0700 | [diff] [blame] | 8 | #include <stdint.h> |
Randall Spangler | a3454fc | 2011-08-23 14:41:18 -0700 | [diff] [blame] | 9 | #include <stdio.h> |
| 10 | #include <stdlib.h> |
| 11 | #include <string.h> |
| 12 | |
| 13 | #define _STUB_IMPLEMENTATION_ /* So we can use memset() ourselves */ |
| 14 | |
| 15 | #include "test_common.h" |
| 16 | #include "utility.h" |
| 17 | #include "vboot_common.h" |
| 18 | |
| 19 | |
Randall Spangler | f02bbb4 | 2011-08-24 14:16:01 -0700 | [diff] [blame] | 20 | /* Test utility.h and sysincludes.h macros */ |
| 21 | static void MacrosTest(void) { |
| 22 | int64_t a = -10, b = -20; |
Gabe Black | ac8805e | 2013-03-16 04:03:40 -0700 | [diff] [blame] | 23 | uint64_t u = (0xABCD00000000ULL); |
| 24 | uint64_t v = (0xABCD000000ULL); |
Randall Spangler | f02bbb4 | 2011-08-24 14:16:01 -0700 | [diff] [blame] | 25 | |
| 26 | TEST_EQ(CombineUint16Pair(1, 2), 0x00010002, "CombineUint16Pair"); |
| 27 | TEST_EQ(CombineUint16Pair(0xFFFE, 0xFFFF), 0xFFFEFFFF, |
| 28 | "CombineUint16Pair 2"); |
| 29 | TEST_EQ(CombineUint16Pair(-4, -16), 0xFFFCFFF0, |
| 30 | "CombineUint16Pair big negative"); |
| 31 | TEST_EQ(CombineUint16Pair(0x10003, 0x10004), 0x00030004, |
| 32 | "CombineUint16Pair overflow"); |
| 33 | |
| 34 | TEST_EQ(Min(1, 2), 1, "Min 1"); |
| 35 | TEST_EQ(Min(4, 3), 3, "Min 2"); |
| 36 | TEST_EQ(Min(5, 5), 5, "Min 5"); |
| 37 | TEST_EQ(Min(a, b), b, "Min uint64 1"); |
| 38 | TEST_EQ(Min(b, a), b, "Min uint64 2"); |
| 39 | TEST_EQ(Min(b, b), b, "Min uint64 same"); |
| 40 | |
Gabe Black | ac8805e | 2013-03-16 04:03:40 -0700 | [diff] [blame] | 41 | TEST_EQ(u >> 8, v, "uint64_t >> 8"); |
| 42 | TEST_EQ(u >> 0, u, "uint64_t >> 0"); |
| 43 | TEST_EQ(u >> 36, (uint64_t)0xABC, "uint64_t >> 36"); |
Randall Spangler | f02bbb4 | 2011-08-24 14:16:01 -0700 | [diff] [blame] | 44 | |
Gabe Black | ac8805e | 2013-03-16 04:03:40 -0700 | [diff] [blame] | 45 | TEST_EQ(v * (uint32_t)0, 0, "uint64_t * uint32_t 0"); |
| 46 | TEST_EQ(v * (uint32_t)1, v, "uint64_t * uint32_t 1"); |
| 47 | TEST_EQ(v * (uint32_t)256, u, "uint64_t * uint32_t 256"); |
Randall Spangler | f02bbb4 | 2011-08-24 14:16:01 -0700 | [diff] [blame] | 48 | } |
| 49 | |
| 50 | |
Randall Spangler | a3454fc | 2011-08-23 14:41:18 -0700 | [diff] [blame] | 51 | /* Test SafeMemcmp */ |
| 52 | static void SafeMemcmpTest(void) { |
| 53 | /* Zero-length strings are equal */ |
| 54 | TEST_EQ(0, SafeMemcmp("APPLE", "TIGER", 0), "SafeMemcmp() size=0"); |
| 55 | |
| 56 | /* Test equal arrays */ |
| 57 | TEST_EQ(0, SafeMemcmp("clonebob", "clonebob", 8), "SafeMemcmp() equal"); |
| 58 | /* Inequality past end of array doesn't affect result */ |
| 59 | TEST_EQ(0, SafeMemcmp("clonebob", "clonedan", 5), "SafeMemcmp() equal2"); |
| 60 | |
| 61 | TEST_EQ(1, SafeMemcmp("APPLE", "TIGER", 5), "SafeMemcmp() unequal"); |
| 62 | TEST_EQ(1, SafeMemcmp("APPLE", "APPLe", 5), "SafeMemcmp() unequal 2"); |
| 63 | } |
| 64 | |
| 65 | |
Randall Spangler | a3454fc | 2011-08-23 14:41:18 -0700 | [diff] [blame] | 66 | int main(int argc, char* argv[]) { |
| 67 | int error_code = 0; |
| 68 | |
Randall Spangler | f02bbb4 | 2011-08-24 14:16:01 -0700 | [diff] [blame] | 69 | MacrosTest(); |
Randall Spangler | a3454fc | 2011-08-23 14:41:18 -0700 | [diff] [blame] | 70 | SafeMemcmpTest(); |
| 71 | |
| 72 | if (!gTestSuccess) |
| 73 | error_code = 255; |
| 74 | |
| 75 | return error_code; |
| 76 | } |