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 * 5 * Tests for utility functions 6 */ 7 8 #include <stdint.h> 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 20 /* Test utility.h and sysincludes.h macros */ 21 static void MacrosTest(void) { 22 int64_t a = -10, b = -20; 23 uint64_t u = (0xABCD00000000ULL); 24 uint64_t v = (0xABCD000000ULL); 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 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"); 44 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"); 48 } 49 50 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 66 int main(int argc, char* argv[]) { 67 int error_code = 0; 68 69 MacrosTest(); 70 SafeMemcmpTest(); 71 72 if (!gTestSuccess) 73 error_code = 255; 74 75 return error_code; 76 } 77
