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WIP - Panic immediately when detecting non-determinism via a change to the execution trace

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This commit is contained in:
Max Brunsfeld 2022-12-23 17:34:13 -08:00
parent 6458a9144e
commit 599acf0daa
6 changed files with 138 additions and 16 deletions
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16
crates/gpui/src/test.rs
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@ -1,7 +1,10 @@
use crate::{
elements::Empty, executor, platform, util::CwdBacktrace, Element, ElementBox, Entity,
FontCache, Handle, LeakDetector, MutableAppContext, Platform, RenderContext, Subscription,
TestAppContext, View,
elements::Empty,
executor::{self, ExecutorEvent},
platform,
util::CwdBacktrace,
Element, ElementBox, Entity, FontCache, Handle, LeakDetector, MutableAppContext, Platform,
RenderContext, Subscription, TestAppContext, View,
};
use futures::StreamExt;
use parking_lot::Mutex;
@ -62,7 +65,7 @@ pub fn run_test(
let platform = Arc::new(platform::test::platform());
let font_system = platform.fonts();
let font_cache = Arc::new(FontCache::new(font_system));
let mut prev_runnable_history: Option<Vec<usize>> = None;
let mut prev_runnable_history: Option<Vec<ExecutorEvent>> = None;
for _ in 0..num_iterations {
let seed = atomic_seed.load(SeqCst);
@ -73,6 +76,7 @@ pub fn run_test(
let deterministic = executor::Deterministic::new(seed);
if detect_nondeterminism {
deterministic.set_previous_execution_history(prev_runnable_history.clone());
deterministic.enable_runnable_backtrace();
}
@ -98,7 +102,7 @@ pub fn run_test(
leak_detector.lock().detect();
if detect_nondeterminism {
let curr_runnable_history = deterministic.runnable_history();
let curr_runnable_history = deterministic.execution_history();
if let Some(prev_runnable_history) = prev_runnable_history {
let mut prev_entries = prev_runnable_history.iter().fuse();
let mut curr_entries = curr_runnable_history.iter().fuse();
@ -138,7 +142,7 @@ pub fn run_test(
let last_common_backtrace = common_history_prefix
.last()
.map(|runnable_id| deterministic.runnable_backtrace(*runnable_id));
.map(|event| deterministic.runnable_backtrace(event.id()));
writeln!(
&mut error,