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120 lines
3.5 KiB
120 lines
3.5 KiB
/* Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Tests for string utility functions.
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "test_common.h"
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#include "utility.h"
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#include "vboot_common.h"
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/* Test string concatenation */
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static void StrncatTest(void) {
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char dest[128];
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/* Null inputs */
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TEST_EQ(0, StrnAppend(dest, NULL, sizeof(dest)), "StrnAppend('', null)");
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TEST_EQ(0, StrnAppend(NULL, "Hey!", sizeof(dest)), "StrnAppend(null, '')");
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/* Empty <-- empty */
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*dest = 0;
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TEST_EQ(0, StrnAppend(dest, "", sizeof(dest)), "StrnAppend('', '')");
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TEST_EQ(0, strcmp(dest, ""), "StrnAppend('', '') result");
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/* Nonempty <-- empty */
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strcpy(dest, "Bob");
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TEST_EQ(3, StrnAppend(dest, "", sizeof(dest)), "StrnAppend(B, '')");
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TEST_EQ(0, strcmp(dest, "Bob"), "StrnAppend(B, '') result");
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/* Empty <-- nonempty */
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*dest = 0;
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TEST_EQ(5, StrnAppend(dest, "Alice", sizeof(dest)), "StrnAppend('', A)");
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TEST_EQ(0, strcmp(dest, "Alice"), "StrnAppend('', A) result");
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/* Nonempty <-- nonempty */
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strcpy(dest, "Tigre");
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TEST_EQ(10, StrnAppend(dest, "Bunny", sizeof(dest)), "StrnAppend(T, B)");
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TEST_EQ(0, strcmp(dest, "TigreBunny"), "StrnAppend(T, B) result");
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/* Test clipping */
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strcpy(dest, "YesI");
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TEST_EQ(7, StrnAppend(dest, "Can't", 8), "StrnAppend(Y, over)");
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TEST_EQ(0, strcmp(dest, "YesICan"), "StrnAppend(Y, over) result");
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/* Test clipping if dest already overflows its claimed length */
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strcpy(dest, "BudgetDeficit");
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TEST_EQ(6, StrnAppend(dest, "Spending", 7), "StrnAppend(over, over)");
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TEST_EQ(0, strcmp(dest, "Budget"), "StrnAppend(over, over) result");
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}
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static void TestU64ToS(uint64_t value, uint32_t radix, uint32_t zero_pad_width,
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const char *expect) {
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char dest[UINT64_TO_STRING_MAX];
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TEST_EQ(strlen(expect),
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Uint64ToString(dest, sizeof(dest), value, radix, zero_pad_width),
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"Uint64ToString");
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printf("Uint64ToString expect %s got %s\n", expect, dest);
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TEST_EQ(0, strcmp(dest, expect), "Uint64ToString result");
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}
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/* Test uint64 to string conversion */
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static void Uint64ToStringTest(void) {
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char dest[UINT64_TO_STRING_MAX];
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/* Test invalid inputs */
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TEST_EQ(0, Uint64ToString(NULL, 8, 123, 10, 8), "Uint64ToString null dest");
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TestU64ToS(0, 1, 0, "");
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TestU64ToS(0, 37, 0, "");
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/* Binary */
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TestU64ToS(0, 2, 0, "0");
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TestU64ToS(0x9A, 2, 0, "10011010");
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TestU64ToS(0x71, 2, 12, "000001110001");
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TestU64ToS(
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~0ULL, 2, 0,
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"1111111111111111111111111111111111111111111111111111111111111111");
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/* Decimal */
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TestU64ToS(0, 10, 0, "0");
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TestU64ToS(12345, 10, 0, "12345");
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TestU64ToS(67890, 10, 8, "00067890");
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TestU64ToS(~0ULL, 10, 0, "18446744073709551615");
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/* Hex */
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TestU64ToS(0, 16, 0, "0");
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TestU64ToS(0x12345678, 16, 0, "12345678");
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TestU64ToS(0x9ABCDEF, 16, 8, "09abcdef");
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TestU64ToS(~0ULL, 16, 0, "ffffffffffffffff");
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/* Zero pad corner cases */
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/* Don't pad if over length */
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TestU64ToS(0x1234567890ULL, 16, 8, "1234567890");
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/* Fail if padding won't fit in buffer */
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TEST_EQ(0, Uint64ToString(dest, 8, 123, 10, 8), "Uint64ToString bad pad");
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TEST_EQ(0, strcmp(dest, ""), "Uint64ToString bad pad result");
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}
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int main(int argc, char* argv[]) {
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int error_code = 0;
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StrncatTest();
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Uint64ToStringTest();
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if (!gTestSuccess)
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error_code = 255;
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return error_code;
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}
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