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41 lines
1.3 KiB
Rust
41 lines
1.3 KiB
Rust
extern crate bumpalo;
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/// Used in the with_larger_debug_stack() function, for tests that otherwise
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/// run out of stack space in debug builds (but don't in --release builds)
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#[allow(dead_code)]
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const EXPANDED_STACK_SIZE: usize = 8 * 1024 * 1024;
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/// Without this, some tests pass in `cargo test --release` but fail without
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/// the --release flag because they run out of stack space. This increases
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/// stack size for debug builds only, while leaving the stack space at the default
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/// amount for release builds.
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#[allow(dead_code)]
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#[cfg(debug_assertions)]
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pub fn with_larger_debug_stack<F>(run_test: F)
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where
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F: FnOnce(),
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F: Send,
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F: 'static,
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{
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std::thread::Builder::new()
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.stack_size(EXPANDED_STACK_SIZE)
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.spawn(run_test)
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.expect("Error while spawning expanded dev stack size thread")
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.join()
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.expect("Error while joining expanded dev stack size thread")
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}
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/// In --release builds, don't increase the stack size. Run the test normally.
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/// This way, we find out if any of our tests are blowing the stack even after
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/// optimizations in release builds.
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#[allow(dead_code)]
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#[cfg(not(debug_assertions))]
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#[inline(always)]
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pub fn with_larger_debug_stack<F>(run_test: F)
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where
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F: FnOnce(),
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F: Send,
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F: 'static,
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{
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run_test()
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}
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