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93 lines
1.7 KiB
93 lines
1.7 KiB
/*
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* strlen test.
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*
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* Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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* See https://llvm.org/LICENSE.txt for license information.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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 <limits.h>
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#include "stringlib.h"
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static const struct fun
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{
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const char *name;
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size_t (*fun)(const char *s);
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} funtab[] = {
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#define F(x) {#x, x},
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F(strlen)
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#if __aarch64__
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F(__strlen_aarch64)
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F(__strlen_aarch64_mte)
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# if __ARM_FEATURE_SVE
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F(__strlen_aarch64_sve)
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# endif
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#elif __arm__
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# if __ARM_ARCH >= 6 && __ARM_ARCH_ISA_THUMB == 2
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F(__strlen_armv6t2)
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# endif
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#endif
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#undef F
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{0, 0}
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};
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static int test_status;
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#define ERR(...) (test_status=1, printf(__VA_ARGS__))
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#define A 32
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#define SP 512
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#define LEN 250000
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static char sbuf[LEN+2*A];
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static void *alignup(void *p)
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{
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return (void*)(((uintptr_t)p + A-1) & -A);
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}
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static void test(const struct fun *fun, int align, int len)
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{
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char *src = alignup(sbuf);
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char *s = src + align;
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size_t r;
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if (len > LEN || align >= A)
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abort();
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for (int i = 0; i < len + A; i++)
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src[i] = '?';
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for (int i = 0; i < len - 2; i++)
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s[i] = 'a' + i%23;
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s[len - 1] = '\0';
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r = fun->fun(s);
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if (r != len-1) {
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ERR("%s(%p) returned %zu\n", fun->name, s, r);
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ERR("input: %.*s\n", align+len+1, src);
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ERR("expected: %d\n", len);
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abort();
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}
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}
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int main()
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{
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int r = 0;
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for (int i=0; funtab[i].name; i++) {
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test_status = 0;
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for (int a = 0; a < A; a++) {
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int n;
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for (n = 1; n < 100; n++)
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test(funtab+i, a, n);
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for (; n < LEN; n *= 2)
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test(funtab+i, a, n);
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}
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printf("%s %s\n", test_status ? "FAIL" : "PASS", funtab[i].name);
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if (test_status)
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r = -1;
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}
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return r;
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}
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