From f38b49f1624e6dda02c7df121f0e129a83929908 Mon Sep 17 00:00:00 2001
From: Ingo Weinhold <ingo_weinhold@gmx.de>
Date: Thu, 7 Feb 2008 02:22:48 +0000
Subject: [PATCH] Added small test program that opens and reads a few bytes
 from /dev/urandom. It verifies that Haiku's dev/urandom is performance-wise
 totally unusable -- it takes several seconds.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23904 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/tests/add-ons/kernel/drivers/Jamfile      |  1 +
 .../add-ons/kernel/drivers/random/Jamfile     |  3 ++
 .../kernel/drivers/random/random_test.cpp     | 38 +++++++++++++++++++
 3 files changed, 42 insertions(+)
 create mode 100644 src/tests/add-ons/kernel/drivers/random/Jamfile
 create mode 100644 src/tests/add-ons/kernel/drivers/random/random_test.cpp

diff --git a/src/tests/add-ons/kernel/drivers/Jamfile b/src/tests/add-ons/kernel/drivers/Jamfile
index 8dac0d1825..0918bb9a9f 100644
--- a/src/tests/add-ons/kernel/drivers/Jamfile
+++ b/src/tests/add-ons/kernel/drivers/Jamfile
@@ -1,3 +1,4 @@
 SubDir HAIKU_TOP src tests add-ons kernel drivers ;
 
+SubInclude HAIKU_TOP src tests add-ons kernel drivers random ;
 SubInclude HAIKU_TOP src tests add-ons kernel drivers tty ;
diff --git a/src/tests/add-ons/kernel/drivers/random/Jamfile b/src/tests/add-ons/kernel/drivers/random/Jamfile
new file mode 100644
index 0000000000..46041a18b8
--- /dev/null
+++ b/src/tests/add-ons/kernel/drivers/random/Jamfile
@@ -0,0 +1,3 @@
+SubDir HAIKU_TOP src tests add-ons kernel drivers random ;
+
+SimpleTest random_test : random_test.cpp ;
diff --git a/src/tests/add-ons/kernel/drivers/random/random_test.cpp b/src/tests/add-ons/kernel/drivers/random/random_test.cpp
new file mode 100644
index 0000000000..7bcb686c02
--- /dev/null
+++ b/src/tests/add-ons/kernel/drivers/random/random_test.cpp
@@ -0,0 +1,38 @@
+#include <errno.h>
+#include <fcntl.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+
+static const char* kRandomDevice = "/dev/urandom";
+
+
+int
+main()
+{
+	int fd = open(kRandomDevice, O_RDONLY);
+	if (fd < 0) {
+		fprintf(stderr, "Error: Failed to open \"%s\": %s", kRandomDevice,
+			strerror(errno));
+		exit(1);
+	}
+
+	uint8_t buffer[16];
+	ssize_t bytesRead = read(fd, buffer, sizeof(buffer));
+	if (bytesRead < 0) {
+		fprintf(stderr, "Error: Failed to read from random device: %s",
+			strerror(errno));
+		exit(1);
+	}
+
+	printf("Read %d bytes from random device: ", (int)bytesRead);
+	for (int i = 0; i < bytesRead; i++)
+		printf("%02x", buffer[i]);
+	printf("\n");
+
+	return 0;
+}
+