56 lines
2.1 KiB
Rust
56 lines
2.1 KiB
Rust
//! Prints where a cold layout puts every widget of many grown trees, so two
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//! commits can be compared on cold layout alone. The warm/cold oracle cannot
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//! see a change that moves cold layout, since both of its sides move; this
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//! can, by diffing its output across the change:
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//!
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//! IRIS_DUMP_SEEDS=400 IRIS_DUMP_DEPTH=5 cargo test --release \
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//! --test layout_dump -- --ignored --nocapture > /tmp/before.txt
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//!
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//! then the same after, and `diff` the two. A line is one widget: the seed,
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//! its index in creation order, and its box in window pixels, or `-` where
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//! it is not drawn.
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use iris::harness::Harness;
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use iris::prelude::{Axis, Bound, SizeRule};
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use iris::random::{Edits, build, plan};
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fn env<T: std::str::FromStr>(name: &str, fallback: T) -> T {
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std::env::var(name)
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.ok()
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.and_then(|value| value.parse().ok())
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.unwrap_or(fallback)
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}
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#[test]
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#[ignore = "a dump to diff across commits, not a check"]
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fn every_cold_layout_is_printed() {
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let seeds = env("IRIS_DUMP_SEEDS", 400_u64);
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let depth = env("IRIS_DUMP_DEPTH", 5_usize);
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let mut out = String::new();
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for seed in 1..=seeds {
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let mut harness = Harness::new((1920.0, 1200.0));
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let mut plan = plan(seed, depth, &Edits::default());
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if std::env::var_os("IRIS_DUMP_UNBOUNDED").is_some() {
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plan.walk_mut(&mut |node| {
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if let Some(rules) = &mut node.size {
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for axis in Axis::BOTH {
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if rules[axis].bound() != Bound::ANY {
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rules[axis] = SizeRule::Free;
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}
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}
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}
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});
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}
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let (root, tree) = build(&mut harness.rsc, &plan);
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harness.state.root = Some(root);
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harness.frame();
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for (index, id) in tree.ids.iter().enumerate() {
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match harness.region(id) {
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Some(region) => out.push_str(&format!("{seed} {index} {region:?}\n")),
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None => out.push_str(&format!("{seed} {index} -\n")),
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}
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}
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}
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print!("{out}");
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}
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