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authorLexi Winter <lexi@le-fay.org>2025-06-29 19:25:29 +0100
committerLexi Winter <lexi@le-fay.org>2025-06-29 19:25:29 +0100
commitbc524d70253a4ab2fe40c3ca3e5666e267c0a4d1 (patch)
tree1e629e7b46b1d9972a973bc93fd100bcebd395be /src/catch2/internal/catch_random_seed_generation.cpp
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Diffstat (limited to 'src/catch2/internal/catch_random_seed_generation.cpp')
-rw-r--r--src/catch2/internal/catch_random_seed_generation.cpp35
1 files changed, 35 insertions, 0 deletions
diff --git a/src/catch2/internal/catch_random_seed_generation.cpp b/src/catch2/internal/catch_random_seed_generation.cpp
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--- /dev/null
+++ b/src/catch2/internal/catch_random_seed_generation.cpp
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+
+// Copyright Catch2 Authors
+// Distributed under the Boost Software License, Version 1.0.
+// (See accompanying file LICENSE.txt or copy at
+// https://www.boost.org/LICENSE_1_0.txt)
+
+// SPDX-License-Identifier: BSL-1.0
+
+#include <catch2/internal/catch_random_seed_generation.hpp>
+
+#include <catch2/internal/catch_enforce.hpp>
+#include <catch2/internal/catch_random_integer_helpers.hpp>
+
+#include <ctime>
+#include <random>
+
+namespace Catch {
+
+ std::uint32_t generateRandomSeed( GenerateFrom from ) {
+ switch ( from ) {
+ case GenerateFrom::Time:
+ return static_cast<std::uint32_t>( std::time( nullptr ) );
+
+ case GenerateFrom::Default:
+ case GenerateFrom::RandomDevice: {
+ std::random_device rd;
+ return Detail::fillBitsFrom<std::uint32_t>( rd );
+ }
+
+ default:
+ CATCH_ERROR("Unknown generation method");
+ }
+ }
+
+} // end namespace Catch