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29 lines
626 B
Rust
29 lines
626 B
Rust
// tests3.rs
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// This test isn't testing our function -- make it do that in such a way that
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// the test passes. Then write a second test that tests whether we get the result
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// we expect to get when we call `is_even(5)`.
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// Execute `rustlings hint tests3` for hints :)
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pub fn is_even(num: i32) -> bool {
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num % 2 == 0
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn is_true_when_even() {
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assert!(!is_even(5));
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}
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#[test]
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fn is_even_works() ->Result<(), String> {
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if !is_even(1<<10) {
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Err(String::from("1<<10"))
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} else {
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Ok(())
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}
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}
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}
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