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Fix some tests

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This commit is contained in:
Richard Feldman 2020-03-06 18:28:13 -05:00
parent bf994c38f5
commit 60adf36db2
2 changed files with 50 additions and 0 deletions
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25
compiler/solve/tests/helpers/mod.rs
View file

@ -46,6 +46,31 @@ pub fn infer_expr(
(content, solved.into_inner())
}
/// Used in the with_larger_debug_stack() function, for tests that otherwise
/// run out of stack space in debug builds (but don't in --release builds)
#[allow(dead_code)]
const EXPANDED_STACK_SIZE: usize = 4 * 1024 * 1024;
/// Without this, some tests pass in `cargo test --release` but fail without
/// the --release flag because they run out of stack space. This increases
/// stack size for debug builds only, while leaving the stack space at the default
/// amount for release builds.
#[allow(dead_code)]
#[cfg(debug_assertions)]
pub fn with_larger_debug_stack<F>(run_test: F)
where
F: FnOnce() -> (),
F: Send,
F: 'static,
{
std::thread::Builder::new()
.stack_size(EXPANDED_STACK_SIZE)
.spawn(run_test)
.expect("Error while spawning expanded dev stack size thread")
.join()
.expect("Error while joining expanded dev stack size thread")
}
/// In --release builds, don't increase the stack size. Run the test normally.
/// This way, we find out if any of our tests are blowing the stack even after
/// optimizations in release builds.

25
compiler/uniq/tests/helpers/mod.rs
View file

@ -46,6 +46,31 @@ pub fn infer_expr(
(content, solved.into_inner())
}
/// Used in the with_larger_debug_stack() function, for tests that otherwise
/// run out of stack space in debug builds (but don't in --release builds)
#[allow(dead_code)]
const EXPANDED_STACK_SIZE: usize = 4 * 1024 * 1024;
/// Without this, some tests pass in `cargo test --release` but fail without
/// the --release flag because they run out of stack space. This increases
/// stack size for debug builds only, while leaving the stack space at the default
/// amount for release builds.
#[allow(dead_code)]
#[cfg(debug_assertions)]
pub fn with_larger_debug_stack<F>(run_test: F)
where
F: FnOnce() -> (),
F: Send,
F: 'static,
{
std::thread::Builder::new()
.stack_size(EXPANDED_STACK_SIZE)
.spawn(run_test)
.expect("Error while spawning expanded dev stack size thread")
.join()
.expect("Error while joining expanded dev stack size thread")
}
/// In --release builds, don't increase the stack size. Run the test normally.
/// This way, we find out if any of our tests are blowing the stack even after
/// optimizations in release builds.