35 lines
801 B
Rust
35 lines
801 B
Rust
#[cfg(test)]
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mod tests {
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use crate::adder::adder;
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use std::num::Wrapping;
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#[test]
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fn zero_plus_one() {
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assert_eq!(adder(0, 1), 0 + 1);
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}
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#[test]
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fn four_plus_three() {
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assert_eq!(adder(4, 3), 4 + 3);
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}
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#[test]
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fn one_plus_one() {
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assert_eq!(adder(1, 1), 1 + 1);
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}
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#[test]
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fn random_numbers() {
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assert_eq!(adder(632_235, 12_756), 632_235 + 12_756);
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assert_eq!(adder(932_455, 654_756), 932_455 + 654_756);
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assert_eq!(adder(332_875, 123_655), 332_875 + 123_655);
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assert_eq!(adder(732_235_342, 234_756), 732_235_342 + 234_756);
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}
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#[test]
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fn overflow() {
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let big = Wrapping(3_245_532_214u32);
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assert_eq!(adder(3_245_532_214, 3_245_532_214), (big + big).0);
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}
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}
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