72 lines
1.5 KiB
C++
72 lines
1.5 KiB
C++
// RUN: %clangxx -O0 -g %s -o %t && %run %t 2>&1 | FileCheck %s
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//
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// UNSUPPORTED: linux, solaris
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#include <cstdlib>
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#include <ctime>
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#include <cstdio>
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#include <inttypes.h>
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void print_buf(unsigned char *buf, size_t buflen) {
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printf("buf '");
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for (auto i = 0; i < buflen; i ++)
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printf("%" PRIx8, buf[i]);
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printf("'\n");
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}
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void test_seed() {
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#ifdef __NetBSD__
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time_t now = ::time(nullptr);
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arc4random_addrandom((unsigned char *)&now, sizeof(now));
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#endif
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}
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void test_arc4random() {
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printf("test_arc4random\n");
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auto i = arc4random();
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print_buf((unsigned char *)&i, sizeof(i));
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}
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void test_arc4random_uniform() {
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printf("test_arc4random_uniform\n");
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auto i = arc4random_uniform(1024);
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print_buf((unsigned char *)&i, sizeof(i));
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}
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void test_arc4random_buf10() {
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printf("test_arc4random_buf10\n");
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char buf[10];
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#ifdef __NetBSD__
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arc4random_stir();
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#endif
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arc4random_buf(buf, sizeof(buf));
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print_buf((unsigned char *)buf, sizeof(buf));
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}
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void test_arc4random_buf256() {
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printf("test_arc4random_buf256\n");
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char buf[256];
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#ifdef __NetBSD__
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arc4random_stir();
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#endif
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arc4random_buf(buf, sizeof(buf));
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print_buf((unsigned char *)buf, sizeof(buf));
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}
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int main(void) {
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test_seed();
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test_arc4random();
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test_arc4random_uniform();
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test_arc4random_buf10();
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test_arc4random_buf256();
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return 0;
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// CHECK: test_arc4random
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// CHECK: buf '{{.*}}'
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// CHECK: test_arc4random_uniform
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// CHECK: buf '{{.*}}'
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// CHECK: test_arc4random_buf10
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// CHECK: buf '{{.*}}'
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// CHECK: test_arc4random_buf256
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// CHECK: buf '{{.*}}'
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}
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