SashegDev
874b6f20c2
Основа — Horizon (MIT). История апстрима не переносится: этот репозиторий ведёт свою.
42 lines
1.4 KiB
Rust
42 lines
1.4 KiB
Rust
use horizon_core::random::{LegacyRandom, RandomSource};
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use horizon_world::worldgen::{
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anchor::WorldGenerationContext,
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placement::{FeaturePlacementError, FeaturePlacer, PlacementModifier},
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value_provider::IntProvider,
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};
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#[test]
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fn oversized_chains_fail_before_random_draws_or_feature_calls() {
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let mut random = LegacyRandom::new(17);
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let mut expected = random.clone();
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let mut placer = FeaturePlacer::new();
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let result = placer.place(
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&vec![PlacementModifier::InSquare; 1025],
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WorldGenerationContext::new(-64, 384, 63),
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&mut random,
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[0, 0, 0],
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|_, _| -> Result<bool, ()> { panic!("oversized chain reached feature") },
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);
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assert!(matches!(result, Err(FeaturePlacementError::WorkLimit)));
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assert_eq!(random.next_long(), expected.next_long());
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}
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#[test]
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fn multiplicative_counts_stop_at_the_shared_work_bound() {
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let mut random = LegacyRandom::new(17);
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let mut placer = FeaturePlacer::new();
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let mut calls = 0;
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let result = placer.place(
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&vec![PlacementModifier::Count(IntProvider::Constant(4096)); 2],
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WorldGenerationContext::new(-64, 384, 63),
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&mut random,
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[0, 0, 0],
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|_, _| {
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calls += 1;
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Ok::<_, ()>(true)
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},
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);
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assert!(matches!(result, Err(FeaturePlacementError::WorkLimit)));
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assert!(calls > 0 && calls < 1 << 20);
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}
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