e13fabb276
* Move `wasi` to `wasi_old` in wasi-tests Leave space for the new `wasi` crate but allow us to incrementally update tests. * Update the big_random_buf test * Update clock_time_get test * Update close_preopen test * Review comments * Update to latest Wasmtime API
16 lines
467 B
Rust
16 lines
467 B
Rust
fn test_big_random_buf() {
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let mut buf = Vec::new();
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buf.resize(1024, 0);
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unsafe {
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wasi::random_get(buf.as_mut_ptr(), 1024).expect("failed to call random_get");
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}
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// Chances are pretty good that at least *one* byte will be non-zero in
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// any meaningful random function producing 1024 u8 values.
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assert!(buf.iter().any(|x| *x != 0), "random_get returned all zeros");
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}
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fn main() {
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// Run the tests.
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test_big_random_buf()
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}
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