32 lines
1.4 KiB
Rust
32 lines
1.4 KiB
Rust
//! Seed ranges must not crash or wrap, including at the last representable seed.
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use std::process::Command;
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#[test]
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fn overflowing_seed_range_is_an_error_not_a_panic() {
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let output =
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Command::new(env!("CARGO_BIN_EXE_solvecraft-cli")).args(["fuzz", "--from", "18446744073709551615", "--count", "2"]).output().unwrap();
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assert_eq!(output.status.code(), Some(1));
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let stderr = String::from_utf8_lossy(&output.stderr);
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assert!(stderr.contains("seed range exceeds u64::MAX"), "{stderr}");
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assert!(!stderr.contains("panicked"), "{stderr}");
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}
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#[test]
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fn empty_seed_range_at_maximum_is_valid() {
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let output =
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Command::new(env!("CARGO_BIN_EXE_solvecraft-cli")).args(["fuzz", "--from", "18446744073709551615", "--count", "0"]).output().unwrap();
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assert!(output.status.success(), "{}", String::from_utf8_lossy(&output.stderr));
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assert!(String::from_utf8_lossy(&output.stdout).starts_with("0 seeds, 0 design steps,"));
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}
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#[test]
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fn maximum_seed_runs_once_without_wrapping() {
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let output = Command::new(env!("CARGO_BIN_EXE_solvecraft-cli"))
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.args(["fuzz", "--from", "18446744073709551615", "--count", "1", "--steps", "0", "--timeout", "0"])
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.output()
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.unwrap();
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assert!(output.status.success(), "{}", String::from_utf8_lossy(&output.stderr));
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assert!(String::from_utf8_lossy(&output.stdout).starts_with("1 seeds,"));
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}
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