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Make Random*Generators be seedable

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This is a necessary step to fix issue with combining multiple
random generators in one test case, with different section nesting.
This commit is contained in:
Martin Hořeňovský
2022-05-17 17:57:15 +02:00
parent 359cd6187d
commit 7a2a6c632f
4 changed files with 51 additions and 10 deletions
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23
tests/SelfTest/IntrospectiveTests/GeneratorsImpl.tests.cpp
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@@ -511,3 +511,26 @@ TEST_CASE( "Generator element stringification is cached",
REQUIRE( generator.stringificationCalls() == 1 );
}
TEST_CASE( "Random generators can be seeded", "[generators][approvals]" ) {
SECTION( "Integer generator" ) {
using Catch::Generators::RandomIntegerGenerator;
RandomIntegerGenerator<int> rng1( 0, 100, 0x1234 ),
rng2( 0, 100, 0x1234 );
for ( size_t i = 0; i < 10; ++i ) {
REQUIRE( rng1.get() == rng2.get() );
rng1.next(); rng2.next();
}
}
SECTION("Float generator") {
using Catch::Generators::RandomFloatingGenerator;
RandomFloatingGenerator<double> rng1( 0., 100., 0x1234 ),
rng2( 0., 100., 0x1234 );
for ( size_t i = 0; i < 10; ++i ) {
REQUIRE( rng1.get() == rng2.get() );
rng1.next();
rng2.next();
}
}
}