79 lines
1.9 KiB
Rust
79 lines
1.9 KiB
Rust
use subject_source::vec::compute::*;
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#[test]
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pub fn compute_empty() {
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assert_eq!(compute(&[]), Err(ComputeError::NotEnoughData));
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}
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#[test]
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pub fn compute_too_many_ops() {
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assert_eq!(
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compute(&[Operation::Push(1.0), Operation::Binary(Binary::Add)]),
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Err(ComputeError::NotEnoughData)
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);
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}
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#[test]
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pub fn compute_division_by_zero_push() {
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assert_eq!(
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compute(&[
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Operation::Push(1.0),
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Operation::Push(0.0),
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Operation::Binary(Binary::Div)
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]),
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Err(ComputeError::DivisionByZero)
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);
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}
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#[test]
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pub fn compute_division_by_zero_operation() {
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assert_eq!(
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compute(&[
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Operation::Push(1.0),
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Operation::Push(1.0),
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Operation::Push(1.0),
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Operation::Binary(Binary::Sub),
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Operation::Binary(Binary::Div)
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]),
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Err(ComputeError::DivisionByZero)
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);
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}
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#[test]
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pub fn compute_all_ops() {
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assert_eq!(
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compute(&[
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Operation::Push(1.0),
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Operation::Push(3.0),
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Operation::Push(2.0),
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Operation::Binary(Binary::Sub),
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Operation::Push(5.0),
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Operation::Binary(Binary::Mul),
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Operation::Binary(Binary::Add),
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Operation::Push(2.0),
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Operation::Binary(Binary::Div),
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]),
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Ok(3.0),
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);
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}
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#[test]
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pub fn compute_add() {
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assert_eq!(compute(&[Operation::Push(1.0), Operation::Push(2.0), Operation::Binary(Binary::Add)]), Ok(3.0));
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}
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#[test]
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pub fn compute_sub() {
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assert_eq!(compute(&[Operation::Push(1.0), Operation::Push(2.0), Operation::Binary(Binary::Sub)]), Ok(-1.0));
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}
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#[test]
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pub fn compute_mul() {
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assert_eq!(compute(&[Operation::Push(3.0), Operation::Push(2.0), Operation::Binary(Binary::Mul)]), Ok(6.0));
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}
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#[test]
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pub fn compute_div() {
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assert_eq!(compute(&[Operation::Push(42.0), Operation::Push(7.0), Operation::Binary(Binary::Div)]), Ok(6.0));
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}
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