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With the goal of centralizing all tests in the system, this is a first step to establish a Tests sub-tree. It will contain all of the unit tests and test harnesses for the various components in the system.
52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
/*
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* Copyright (c) 2020, Ali Mohammad Pur <mpfard@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/Types.h>
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#include <assert.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 <unistd.h>
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struct TestCase {
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const u8* haystack;
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size_t haystack_length;
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const u8* needle;
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size_t needle_length;
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ssize_t matching_offset { -1 };
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};
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const static TestCase g_test_cases[] = {
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{ (const u8*) {}, 0u, (const u8*) {}, 0u, 0 },
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{ (const u8[]) { 1, 2, 3 }, 3u, (const u8[]) { 1, 2, 3 }, 3u, 0 },
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{ (const u8[]) { 1, 2, 4 }, 3u, (const u8[]) { 1, 2, 3 }, 3u, -1 },
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{ (const u8*)"abcdef", 6u, (const u8[]) {}, 0u, 0 },
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{ (const u8*)"abcdef", 6u, (const u8*)"de", 2u, 3 },
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{ (const u8[]) { 0, 1, 2, 5, 2, 5 }, 6u, (const u8[]) { 1 }, 1u, 1 },
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{ (const u8[]) { 0, 1, 2, 5, 2, 5 }, 6u, (const u8[]) { 1, 2 }, 2u, 1 },
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{ (const u8[]) { 0, 1, 1, 2 }, 4u, (const u8[]) { 1, 5 }, 2u, -1 },
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{ (const u8[64]) { 0 }, 64u, (const u8[33]) { 0 }, 33u, 0 },
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{ (const u8[64]) { 0, 1, 1, 2 }, 64u, (const u8[33]) { 1, 1 }, 2u, 1 },
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};
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int main()
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{
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bool failed = false;
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size_t i = 0;
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for (const auto& test_case : g_test_cases) {
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auto expected = test_case.matching_offset >= 0 ? test_case.haystack + test_case.matching_offset : nullptr;
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auto result = memmem(test_case.haystack, test_case.haystack_length, test_case.needle, test_case.needle_length);
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if (result != expected) {
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failed = true;
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fprintf(stderr, "Test %zu FAILED! expected %p, got %p\n", i, expected, result);
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}
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++i;
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}
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printf(failed ? "FAIL\n" : "PASS\n");
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return failed ? 1 : 0;
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}
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