32 lines
599 B
Rust
32 lines
599 B
Rust
// TODO: Define a function named `sum` that takes a reference to a slice of `u32` and returns the sum of all
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// elements in the slice.
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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 empty() {
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let v = vec![];
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assert_eq!(sum(&v), 0);
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}
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#[test]
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fn one_element() {
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let v = vec![1];
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assert_eq!(sum(&v), 1);
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}
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#[test]
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fn multiple_elements() {
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let v = vec![1, 2, 3, 4, 5];
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assert_eq!(sum(&v), 15);
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}
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#[test]
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fn array_slice() {
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let v = [1, 2, 3, 4, 5];
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assert_eq!(sum(&v), 15);
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}
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}
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