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LibTest: Add the RandomnessSource abstraction
This will be a foundational part of bootstrapping generators: this is the way they'll get prerecorded values from / record random values into RandomRuns. (Generators don't get in contact with RandomRuns themselves, they just interact with the RandomnessSource.)
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@ -12,6 +12,7 @@
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#include <AK/DeprecatedString.h>
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#include <AK/Function.h>
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#include <AK/Vector.h>
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#include <LibTest/Randomized/RandomnessSource.h>
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#include <LibTest/TestCase.h>
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#include <LibTest/TestResult.h>
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@ -45,6 +46,12 @@ public:
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void set_current_test_result(TestResult result) { m_current_test_result = result; }
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void set_suite_setup(Function<void()> setup) { m_setup = move(setup); }
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// The RandomnessSource is where generators record / replay random data
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// from. Initially a live "truly random" RandomnessSource is used, and when
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// a failure is found, a set of hardcoded RandomnessSources is used during
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// shrinking.
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void set_randomness_source(Randomized::RandomnessSource source) { m_randomness_source = move(source); }
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Randomized::RandomnessSource& randomness_source() { return m_randomness_source; }
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private:
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static TestSuite* s_global;
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@ -55,6 +62,7 @@ private:
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u64 m_benchmark_repetitions = 1;
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Function<void()> m_setup;
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TestResult m_current_test_result = TestResult::NotRun;
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Randomized::RandomnessSource m_randomness_source = Randomized::RandomnessSource::live();
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};
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}
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