| // Copyright 2017 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include <stdio.h> |
| |
| #include <zxtest/zxtest.h> |
| |
| #if ENABLE_ENTROPY_COLLECTOR_TEST |
| |
| TEST(Entropy, FileExists) { |
| FILE* file = fopen("/boot/kernel/debug/entropy.bin", "rb"); |
| ASSERT_NONNULL(file, "entropy file doesn't exist"); |
| |
| char buf[32]; |
| size_t read = fread(buf, 1, sizeof(buf), file); |
| |
| EXPECT_LT(0, read, "entropy file contains no data or not readable"); |
| } |
| |
| #endif |
