1 /* 2 * Copyright 2016-2024 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include <openssl/crypto.h> 11 #include <internal/nelem.h> 12 #include "testutil.h" 13 14 struct strtoul_test_entry { 15 char *input; /* the input string */ 16 int base; /* the base we are converting in */ 17 unsigned long expect_val; /* the expected value we should get */ 18 int expect_err; /* the expected error we expect to receive */ 19 size_t expect_endptr_offset; /* the expected endptr offset, +1 for NULL */ 20 }; 21 22 static struct strtoul_test_entry strtoul_tests[] = { 23 /* pass on conv "0" to 0 */ 24 { 25 "0", 0, 0, 1, 1 26 }, 27 /* pass on conv "12345" to 12345 */ 28 { 29 "12345", 0, 12345, 1, 5 30 }, 31 /* pass on conv "0x12345" to 0x12345, base 16 */ 32 { 33 "0x12345", 0, 0x12345, 1, 7 34 }, 35 /* pass on base 10 translation, endptr points to 'x' */ 36 { 37 "0x12345", 10, 0, 1, 1 38 }, 39 #if ULONG_MAX == 4294967295 40 /* pass on ULONG_MAX translation */ 41 { 42 "4294967295", 0, ULONG_MAX, 1, 10 43 }, 44 #else 45 { 46 "18446744073709551615", 0, ULONG_MAX, 1, 20 47 }, 48 #endif 49 50 /* fail on negative input */ 51 { 52 "-1", 0, 0, 0, 0 53 }, 54 /* fail on non-numerical input */ 55 { 56 "abcd", 0, 0, 0, 0 57 }, 58 /* pass on decimal input */ 59 { 60 "1.0", 0, 1, 1, 1 61 }, 62 /* Fail on decimal input without leading number */ 63 { 64 ".1", 0, 0, 0, 0 65 } 66 }; 67 68 static int test_strtoul(int idx) 69 { 70 unsigned long val; 71 char *endptr = NULL; 72 int err; 73 struct strtoul_test_entry *test = &strtoul_tests[idx]; 74 75 /* 76 * For each test, convert the string to an unsigned long 77 */ 78 err = OPENSSL_strtoul(test->input, &endptr, test->base, &val); 79 80 /* 81 * Check to ensure the error returned is expected 82 */ 83 if (!TEST_int_eq(err, test->expect_err)) 84 return 0; 85 /* 86 * Confirm that the endptr points to where we expect 87 */ 88 if (!TEST_ptr_eq(endptr, &test->input[test->expect_endptr_offset])) 89 return 0; 90 /* 91 * And check that we received the proper translated value 92 * Note, we only check the value if the conversion passed 93 */ 94 if (test->expect_err == 1) { 95 if (!TEST_ulong_eq(val, test->expect_val)) 96 return 0; 97 } 98 return 1; 99 100 } 101 102 int setup_tests(void) 103 { 104 ADD_ALL_TESTS(test_strtoul, OSSL_NELEM(strtoul_tests)); 105 return 1; 106 } 107