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31 lines
711 B
31 lines
711 B
// quiz3.rs
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// This is a quiz for the following sections:
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// - Tests
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// This quiz 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 that we get the result
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// we expect to get when we call `times_two` with a negative number.
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// No hints, you can do this :)
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// I AM NOT DONE
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pub fn times_two(num: i32) -> i32 {
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num * 2
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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 returns_twice_of_positive_numbers() {
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assert_eq!(times_two(4), ???);
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}
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#[test]
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fn returns_twice_of_negative_numbers() {
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// TODO replace unimplemented!() with an assert for `times_two(-4)`
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unimplemented!()
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}
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}
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