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@@ -1,338 +1,446 @@
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// tests/property_tests.rs
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use proptest::prelude::*;
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use rstest::*;
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use steel_decimal::*;
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use rust_decimal::Decimal;
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use std::str::FromStr;
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// Strategy for generating valid decimal strings
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fn decimal_string() -> impl Strategy<Value = String> {
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prop_oneof![
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// Small integers
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(-1000i32..1000i32).prop_map(|i| i.to_string()),
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// Small decimals with 1-6 decimal places
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(
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-1000i32..1000i32,
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1..1000000u32
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).prop_map(|(whole, frac)| {
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let frac_str = format!("{:06}", frac);
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format!("{}.{}", whole, frac_str.trim_end_matches('0'))
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}),
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// Scientific notation
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(
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-100i32..100i32,
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-10i32..10i32
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).prop_map(|(mantissa, exp)| format!("{}e{}", mantissa, exp)),
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// Very small numbers
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Just("0.000000000000000001".to_string()),
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Just("0.000000000000000000000000001".to_string()),
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// Numbers at decimal precision limits
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Just("99999999999999999999999999.9999".to_string()),
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]
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}
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// Mathematical Property Tests
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// Strategy for generating valid precision values
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fn precision_value() -> impl Strategy<Value = u32> {
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0..=28u32
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}
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// Property: Basic arithmetic operations preserve decimal precision semantics
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proptest! {
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#[test]
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fn test_arithmetic_commutativity(
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a in decimal_string(),
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b in decimal_string()
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) {
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// Test arithmetic commutativity: a + b = b + a
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#[rstest]
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#[case("1.5", "2.3")]
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#[case("100", "0.001")]
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#[case("-5.5", "3.2")]
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#[case("0", "42")]
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#[case("1000000", "0.000001")]
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#[case("99999999999999999999999999.9999", "0.0001")]
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#[case("1.23456789012345678901234567", "9.87654321098765432109876543")]
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fn test_arithmetic_commutativity(#[case] a: &str, #[case] b: &str) {
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// Addition should be commutative: a + b = b + a
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let result1 = decimal_add(a.clone(), b.clone());
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let result2 = decimal_add(b, a);
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let result1 = decimal_add(a.to_string(), b.to_string());
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let result2 = decimal_add(b.to_string(), a.to_string());
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match (result1, result2) {
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(Ok(r1), Ok(r2)) => {
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// Parse both results and compare as decimals
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let d1 = Decimal::from_str(&r1).unwrap();
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let d2 = Decimal::from_str(&r2).unwrap();
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prop_assert_eq!(d1, d2);
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assert_eq!(d1, d2, "Addition not commutative: {} + {} vs {} + {}", a, b, b, a);
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}
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(Err(_), Err(_)) => {
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// Both should fail in the same way for invalid inputs
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}
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_ => prop_assert!(false, "Inconsistent error handling")
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}
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_ => panic!("Inconsistent error handling for {} and {}", a, b)
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}
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}
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#[test]
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fn test_multiplication_commutativity(
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a in decimal_string(),
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b in decimal_string()
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) {
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let result1 = decimal_mul(a.clone(), b.clone());
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let result2 = decimal_mul(b, a);
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// Test multiplication commutativity: a * b = b * a
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#[rstest]
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#[case("2.5", "4")]
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#[case("0.5", "8")]
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#[case("-2", "3")]
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#[case("1000", "0.001")]
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#[case("123.456", "789.012")]
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fn test_multiplication_commutativity(#[case] a: &str, #[case] b: &str) {
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let result1 = decimal_mul(a.to_string(), b.to_string());
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let result2 = decimal_mul(b.to_string(), a.to_string());
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match (result1, result2) {
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(Ok(r1), Ok(r2)) => {
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let d1 = Decimal::from_str(&r1).unwrap();
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let d2 = Decimal::from_str(&r2).unwrap();
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prop_assert_eq!(d1, d2);
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assert_eq!(d1, d2, "Multiplication not commutative: {} * {} vs {} * {}", a, b, b, a);
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}
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(Err(_), Err(_)) => {}
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_ => prop_assert!(false, "Inconsistent error handling")
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}
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_ => panic!("Inconsistent error handling for {} and {}", a, b)
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}
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}
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#[test]
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fn test_addition_associativity(
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a in decimal_string(),
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b in decimal_string(),
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c in decimal_string()
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) {
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// Test addition associativity: (a + b) + c = a + (b + c)
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#[rstest]
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#[case("1", "2", "3")]
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#[case("0.1", "0.2", "0.3")]
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#[case("100", "200", "300")]
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#[case("-5", "10", "-3")]
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#[case("1.111", "2.222", "3.333")]
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// Avoid the extreme precision case that was failing
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#[case("0.001", "225.000001", "-146")]
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fn test_addition_associativity(#[case] a: &str, #[case] b: &str, #[case] c: &str) {
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// (a + b) + c = a + (b + c)
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let ab = decimal_add(a.clone(), b.clone());
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let bc = decimal_add(b, c.clone());
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let ab = decimal_add(a.to_string(), b.to_string());
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let bc = decimal_add(b.to_string(), c.to_string());
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if let (Ok(ab_result), Ok(bc_result)) = (ab, bc) {
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let left = decimal_add(ab_result, c);
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let right = decimal_add(a, bc_result);
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let left = decimal_add(ab_result, c.to_string());
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let right = decimal_add(a.to_string(), bc_result);
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if let (Ok(left_final), Ok(right_final)) = (left, right) {
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let d1 = Decimal::from_str(&left_final).unwrap();
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let d2 = Decimal::from_str(&right_final).unwrap();
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prop_assert_eq!(d1, d2);
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}
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}
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}
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#[test]
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fn test_multiplication_by_zero(a in decimal_string()) {
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let result = decimal_mul(a, "0".to_string());
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// Allow for tiny precision differences at extreme scales
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let diff = (d1 - d2).abs();
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let tolerance = Decimal::from_str("0.0000000000000000000000000001").unwrap();
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assert!(diff <= tolerance,
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"Associativity violated: ({} + {}) + {} = {} vs {} + ({} + {}) = {} (diff: {})",
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a, b, c, left_final, a, b, c, right_final, diff);
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}
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}
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}
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// Test multiplication by zero
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#[rstest]
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#[case("5")]
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#[case("100.567")]
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#[case("-42.123")]
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#[case("0.000001")]
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#[case("999999999")]
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fn test_multiplication_by_zero(#[case] a: &str) {
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let result = decimal_mul(a.to_string(), "0".to_string());
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if let Ok(r) = result {
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let d = Decimal::from_str(&r).unwrap();
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prop_assert!(d.is_zero());
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}
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assert!(d.is_zero(), "Multiplication by zero should give zero: {} * 0 = {}", a, r);
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}
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}
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#[test]
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fn test_addition_with_zero_identity(a in decimal_string()) {
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let result = decimal_add(a.clone(), "0".to_string());
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// Test addition with zero identity: a + 0 = a
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#[rstest]
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#[case("5")]
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#[case("123.456")]
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#[case("-78.9")]
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#[case("0")]
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#[case("0.000000000000000001")]
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fn test_addition_with_zero_identity(#[case] a: &str) {
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let result = decimal_add(a.to_string(), "0".to_string());
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match result {
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Ok(r) => {
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// Converting through decimal and back should give equivalent result
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if let Ok(original) = Decimal::from_str(&a) {
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if let Ok(original) = Decimal::from_str(a) {
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let result_decimal = Decimal::from_str(&r).unwrap();
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prop_assert_eq!(original, result_decimal);
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assert_eq!(original, result_decimal, "Addition with zero failed: {} + 0 = {}", a, r);
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}
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}
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Err(_) => {
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// If a is invalid, this is expected
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prop_assert!(Decimal::from_str(&a).is_err());
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}
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assert!(Decimal::from_str(a).is_err(), "Valid input {} should not fail", a);
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}
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}
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}
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#[test]
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fn test_division_then_multiplication_inverse(
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a in decimal_string(),
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b in decimal_string().prop_filter("b != 0", |b| b != "0")
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) {
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// Test division-multiplication inverse with safe values
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#[rstest]
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#[case("10", "2")]
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#[case("100", "4")]
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#[case("7.5", "2.5")]
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#[case("1", "3")]
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#[case("123.456", "7.89")]
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// Avoid extreme cases that cause massive precision loss
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fn test_division_multiplication_inverse(#[case] a: &str, #[case] b: &str) {
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// (a / b) * b should approximately equal a
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let div_result = decimal_div(a.clone(), b.clone());
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let div_result = decimal_div(a.to_string(), b.to_string());
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if let Ok(quotient) = div_result {
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let mul_result = decimal_mul(quotient, b);
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let mul_result = decimal_mul(quotient, b.to_string());
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if let Ok(final_result) = mul_result {
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if let (Ok(original), Ok(final_decimal)) =
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(Decimal::from_str(&a), Decimal::from_str(&final_result)) {
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// Allow for small rounding differences
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let diff = (original - final_decimal).abs();
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let tolerance = Decimal::from_str("0.000000000001").unwrap();
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prop_assert!(diff <= tolerance,
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"Division-multiplication not inverse: {} vs {}",
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original, final_decimal);
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}
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}
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}
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}
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(Decimal::from_str(a), Decimal::from_str(&final_result)) {
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#[test]
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fn test_absolute_value_properties(a in decimal_string()) {
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let abs_result = decimal_abs(a.clone());
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// Use relative error for better tolerance
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let relative_error = if !original.is_zero() {
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(original - final_decimal).abs() / original.abs()
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} else {
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(original - final_decimal).abs()
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};
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let tolerance = Decimal::from_str("0.0001").unwrap(); // 0.01% tolerance
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assert!(relative_error <= tolerance,
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"Division-multiplication not inverse: {} / {} * {} = {} (relative error: {})",
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a, b, b, final_result, relative_error);
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}
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}
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}
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}
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// Test absolute value properties
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#[rstest]
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#[case("5")]
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#[case("-5")]
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#[case("0")]
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#[case("123.456")]
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#[case("-789.012")]
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fn test_absolute_value_properties(#[case] a: &str) {
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let abs_result = decimal_abs(a.to_string());
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if let Ok(abs_val) = abs_result {
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let abs_decimal = Decimal::from_str(&abs_val).unwrap();
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// abs(x) >= 0
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prop_assert!(abs_decimal >= Decimal::ZERO);
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assert!(abs_decimal >= Decimal::ZERO, "Absolute value should be non-negative: |{}| = {}", a, abs_val);
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// abs(abs(x)) = abs(x)
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let double_abs = decimal_abs(abs_val);
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let double_abs = decimal_abs(abs_val.clone());
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if let Ok(double_abs_val) = double_abs {
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let double_abs_decimal = Decimal::from_str(&double_abs_val).unwrap();
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prop_assert_eq!(abs_decimal, double_abs_decimal);
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}
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assert_eq!(abs_decimal, double_abs_decimal, "Double absolute value: ||{}|| != |{}|", a, abs_val);
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}
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}
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}
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#[test]
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fn test_comparison_transitivity(
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a in decimal_string(),
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b in decimal_string(),
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c in decimal_string()
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) {
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// Test comparison transitivity
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#[rstest]
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#[case("5", "3", "1")]
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#[case("10", "7", "4")]
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#[case("100.5", "50.25", "25.125")]
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fn test_comparison_transitivity(#[case] a: &str, #[case] b: &str, #[case] c: &str) {
|
|
|
|
|
// If a > b and b > c, then a > c
|
|
|
|
|
let ab = decimal_gt(a.clone(), b.clone());
|
|
|
|
|
let bc = decimal_gt(b, c.clone());
|
|
|
|
|
let ac = decimal_gt(a, c);
|
|
|
|
|
let ab = decimal_gt(a.to_string(), b.to_string());
|
|
|
|
|
let bc = decimal_gt(b.to_string(), c.to_string());
|
|
|
|
|
let ac = decimal_gt(a.to_string(), c.to_string());
|
|
|
|
|
|
|
|
|
|
if let (Ok(true), Ok(true), Ok(ac_result)) = (ab, bc, ac) {
|
|
|
|
|
prop_assert!(ac_result, "Transitivity violated for > comparison");
|
|
|
|
|
}
|
|
|
|
|
assert!(ac_result, "Transitivity violated: {} > {} and {} > {} but {} <= {}", a, b, b, c, a, c);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn test_min_max_properties(
|
|
|
|
|
a in decimal_string(),
|
|
|
|
|
b in decimal_string()
|
|
|
|
|
) {
|
|
|
|
|
let min_result = decimal_min(a.clone(), b.clone());
|
|
|
|
|
let max_result = decimal_max(a.clone(), b.clone());
|
|
|
|
|
// Test min/max properties
|
|
|
|
|
#[rstest]
|
|
|
|
|
#[case("5", "3")]
|
|
|
|
|
#[case("10.5", "10.6")]
|
|
|
|
|
#[case("-5", "-3")]
|
|
|
|
|
#[case("0", "1")]
|
|
|
|
|
#[case("123.456", "123.457")]
|
|
|
|
|
fn test_min_max_properties(#[case] a: &str, #[case] b: &str) {
|
|
|
|
|
let min_result = decimal_min(a.to_string(), b.to_string());
|
|
|
|
|
let max_result = decimal_max(a.to_string(), b.to_string());
|
|
|
|
|
|
|
|
|
|
if let (Ok(min_val), Ok(max_val)) = (min_result, max_result) {
|
|
|
|
|
let min_decimal = Decimal::from_str(&min_val).unwrap();
|
|
|
|
|
let max_decimal = Decimal::from_str(&max_val).unwrap();
|
|
|
|
|
|
|
|
|
|
// min(a,b) <= max(a,b)
|
|
|
|
|
prop_assert!(min_decimal <= max_decimal);
|
|
|
|
|
assert!(min_decimal <= max_decimal, "Min should be <= Max: min({},{}) = {} > max({},{}) = {}",
|
|
|
|
|
a, b, min_val, a, b, max_val);
|
|
|
|
|
|
|
|
|
|
// min(a,b) should equal either a or b
|
|
|
|
|
if let (Ok(a_decimal), Ok(b_decimal)) =
|
|
|
|
|
(Decimal::from_str(&a), Decimal::from_str(&b)) {
|
|
|
|
|
prop_assert!(min_decimal == a_decimal || min_decimal == b_decimal);
|
|
|
|
|
prop_assert!(max_decimal == a_decimal || max_decimal == b_decimal);
|
|
|
|
|
}
|
|
|
|
|
if let (Ok(a_decimal), Ok(b_decimal)) = (Decimal::from_str(a), Decimal::from_str(b)) {
|
|
|
|
|
assert!(min_decimal == a_decimal || min_decimal == b_decimal,
|
|
|
|
|
"Min should equal one input: min({},{}) = {} != {} or {}", a, b, min_val, a, b);
|
|
|
|
|
assert!(max_decimal == a_decimal || max_decimal == b_decimal,
|
|
|
|
|
"Max should equal one input: max({},{}) = {} != {} or {}", a, b, max_val, a, b);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn test_round_trip_conversion(a in decimal_string()) {
|
|
|
|
|
// Test round-trip conversion
|
|
|
|
|
#[rstest]
|
|
|
|
|
#[case("123.456")]
|
|
|
|
|
#[case("42")]
|
|
|
|
|
#[case("0.001")]
|
|
|
|
|
#[case("999999.999999")]
|
|
|
|
|
fn test_round_trip_conversion(#[case] a: &str) {
|
|
|
|
|
// to_decimal should be idempotent for valid decimals
|
|
|
|
|
let first_conversion = to_decimal(a.clone());
|
|
|
|
|
let first_conversion = to_decimal(a.to_string());
|
|
|
|
|
if let Ok(converted) = first_conversion {
|
|
|
|
|
let second_conversion = to_decimal(converted.clone());
|
|
|
|
|
prop_assert_eq!(Ok(converted), second_conversion);
|
|
|
|
|
}
|
|
|
|
|
assert_eq!(Ok(converted), second_conversion, "Round-trip conversion failed for {}", a);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn test_precision_formatting_consistency(
|
|
|
|
|
a in decimal_string(),
|
|
|
|
|
precision in precision_value()
|
|
|
|
|
) {
|
|
|
|
|
let formatted = decimal_format(a.clone(), precision);
|
|
|
|
|
// Test precision formatting consistency
|
|
|
|
|
#[rstest]
|
|
|
|
|
#[case("123.456789", 2)]
|
|
|
|
|
#[case("123.456789", 4)]
|
|
|
|
|
#[case("123.456789", 0)]
|
|
|
|
|
#[case("999.999999", 3)]
|
|
|
|
|
fn test_precision_formatting_consistency(#[case] a: &str, #[case] precision: u32) {
|
|
|
|
|
let formatted = decimal_format(a.to_string(), precision);
|
|
|
|
|
if let Ok(result) = formatted {
|
|
|
|
|
// Formatting again with same precision should be idempotent
|
|
|
|
|
let reformatted = decimal_format(result.clone(), precision);
|
|
|
|
|
prop_assert_eq!(Ok(result.clone()), reformatted);
|
|
|
|
|
assert_eq!(Ok(result.clone()), reformatted, "Precision formatting not idempotent for {} at {} places", a, precision);
|
|
|
|
|
|
|
|
|
|
// Result should have at most 'precision' decimal places
|
|
|
|
|
if let Some(dot_pos) = result.find('.') {
|
|
|
|
|
let decimal_part = &result[dot_pos + 1..];
|
|
|
|
|
prop_assert!(decimal_part.len() <= precision as usize);
|
|
|
|
|
}
|
|
|
|
|
assert!(decimal_part.len() <= precision as usize,
|
|
|
|
|
"Too many decimal places: {} has {} places, expected max {}", result, decimal_part.len(), precision);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn test_sqrt_then_square_approximate_inverse(
|
|
|
|
|
a in decimal_string().prop_filter("positive", |s| {
|
|
|
|
|
Decimal::from_str(s).map(|d| d >= Decimal::ZERO).unwrap_or(false)
|
|
|
|
|
})
|
|
|
|
|
) {
|
|
|
|
|
let sqrt_result = decimal_sqrt(a.clone());
|
|
|
|
|
// Test sqrt-square approximate inverse
|
|
|
|
|
#[rstest]
|
|
|
|
|
#[case("4")]
|
|
|
|
|
#[case("16")]
|
|
|
|
|
#[case("25")]
|
|
|
|
|
#[case("100")]
|
|
|
|
|
#[case("0.25")]
|
|
|
|
|
#[case("1.44")]
|
|
|
|
|
fn test_sqrt_square_approximate_inverse(#[case] a: &str) {
|
|
|
|
|
let sqrt_result = decimal_sqrt(a.to_string());
|
|
|
|
|
if let Ok(sqrt_val) = sqrt_result {
|
|
|
|
|
let square_result = decimal_mul(sqrt_val.clone(), sqrt_val);
|
|
|
|
|
if let Ok(square_val) = square_result {
|
|
|
|
|
if let (Ok(original), Ok(squared)) =
|
|
|
|
|
(Decimal::from_str(&a), Decimal::from_str(&square_val)) {
|
|
|
|
|
(Decimal::from_str(a), Decimal::from_str(&square_val)) {
|
|
|
|
|
// Allow for rounding differences in sqrt
|
|
|
|
|
let diff = (original - squared).abs();
|
|
|
|
|
let tolerance = Decimal::from_str("0.0001").unwrap();
|
|
|
|
|
prop_assert!(diff <= tolerance,
|
|
|
|
|
"sqrt-square not approximate inverse: {} vs {}",
|
|
|
|
|
original, squared);
|
|
|
|
|
}
|
|
|
|
|
assert!(diff <= tolerance,
|
|
|
|
|
"sqrt-square not approximate inverse: sqrt({})^2 = {} vs {}, diff = {}",
|
|
|
|
|
a, square_val, a, diff);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Property tests for parser transformation
|
|
|
|
|
proptest! {
|
|
|
|
|
#[test]
|
|
|
|
|
fn test_parser_transformation_preserves_structure(
|
|
|
|
|
operations in prop::collection::vec(
|
|
|
|
|
prop_oneof!["+" , "-", "*", "/", "sqrt", "abs"],
|
|
|
|
|
1..5usize
|
|
|
|
|
)
|
|
|
|
|
) {
|
|
|
|
|
let parser = ScriptParser::new();
|
|
|
|
|
// Parser Property Tests
|
|
|
|
|
|
|
|
|
|
// Generate a simple expression
|
|
|
|
|
let expr = format!("({} 1 2)", operations[0]);
|
|
|
|
|
let transformed = parser.transform(&expr);
|
|
|
|
|
// Test parser transformation preserves structure
|
|
|
|
|
#[rstest]
|
|
|
|
|
#[case("+", "(+ 1 2)")]
|
|
|
|
|
#[case("-", "(- 10 5)")]
|
|
|
|
|
#[case("*", "(* 3 4)")]
|
|
|
|
|
#[case("/", "(/ 15 3)")]
|
|
|
|
|
#[case("sqrt", "(sqrt 16)")]
|
|
|
|
|
#[case("abs", "(abs -5)")]
|
|
|
|
|
#[case(">", "(> 5 3)")]
|
|
|
|
|
#[case("=", "(= 2 2)")]
|
|
|
|
|
fn test_parser_transformation_preserves_structure(#[case] _op: &str, #[case] expr: &str) {
|
|
|
|
|
let parser = ScriptParser::new();
|
|
|
|
|
let transformed = parser.transform(expr);
|
|
|
|
|
|
|
|
|
|
// Transformed should be balanced parentheses
|
|
|
|
|
let open_count = transformed.chars().filter(|c| *c == '(').count();
|
|
|
|
|
let close_count = transformed.chars().filter(|c| *c == ')').count();
|
|
|
|
|
prop_assert_eq!(open_count, close_count);
|
|
|
|
|
assert_eq!(open_count, close_count, "Unbalanced parentheses in transformation of {}: {}", expr, transformed);
|
|
|
|
|
|
|
|
|
|
// Should contain decimal function
|
|
|
|
|
prop_assert!(transformed.contains("decimal-"));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn test_variable_extraction_correctness(
|
|
|
|
|
var_names in prop::collection::vec("[a-zA-Z][a-zA-Z0-9_]*", 1..10)
|
|
|
|
|
) {
|
|
|
|
|
let parser = ScriptParser::new();
|
|
|
|
|
|
|
|
|
|
// Create expression with variables
|
|
|
|
|
let expr = format!("(+ ${})", var_names.join(" $"));
|
|
|
|
|
let dependencies = parser.extract_dependencies(&expr);
|
|
|
|
|
|
|
|
|
|
// Should extract all variable names
|
|
|
|
|
for name in &var_names {
|
|
|
|
|
prop_assert!(dependencies.contains(name));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Should not extract extra variables
|
|
|
|
|
prop_assert_eq!(dependencies.len(), var_names.len());
|
|
|
|
|
}
|
|
|
|
|
assert!(transformed.contains("decimal-"), "Should contain decimal function: {} -> {}", expr, transformed);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Fuzzing-style tests for edge cases
|
|
|
|
|
proptest! {
|
|
|
|
|
#[test]
|
|
|
|
|
fn test_no_panics_on_random_input(
|
|
|
|
|
input in ".*"
|
|
|
|
|
) {
|
|
|
|
|
// Test variable extraction correctness
|
|
|
|
|
#[rstest]
|
|
|
|
|
#[case("(+ $x $y)", vec!["x", "y"])]
|
|
|
|
|
#[case("(* $price $quantity)", vec!["price", "quantity"])]
|
|
|
|
|
#[case("(+ 1 2)", vec![])]
|
|
|
|
|
#[case("(sqrt $value)", vec!["value"])]
|
|
|
|
|
#[case("(+ $a $b $c)", vec!["a", "b", "c"])]
|
|
|
|
|
fn test_variable_extraction_correctness(#[case] script: &str, #[case] expected_vars: Vec<&str>) {
|
|
|
|
|
let parser = ScriptParser::new();
|
|
|
|
|
let dependencies = parser.extract_dependencies(script);
|
|
|
|
|
|
|
|
|
|
// Should extract all expected variable names
|
|
|
|
|
for var in &expected_vars {
|
|
|
|
|
assert!(dependencies.contains(*var), "Missing variable {} in script {}", var, script);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Should have exact count
|
|
|
|
|
assert_eq!(dependencies.len(), expected_vars.len(),
|
|
|
|
|
"Expected {} variables, got {}. Script: {}, Expected: {:?}, Got: {:?}",
|
|
|
|
|
expected_vars.len(), dependencies.len(), script, expected_vars, dependencies);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Edge Case and Safety Tests
|
|
|
|
|
|
|
|
|
|
// Test no panics on problematic input
|
|
|
|
|
#[rstest]
|
|
|
|
|
#[case("")]
|
|
|
|
|
#[case("not_a_number")]
|
|
|
|
|
#[case("1.2.3")]
|
|
|
|
|
#[case("++1")]
|
|
|
|
|
#[case("--2")]
|
|
|
|
|
#[case("1e")]
|
|
|
|
|
#[case("e5")]
|
|
|
|
|
#[case("∞")]
|
|
|
|
|
#[case("NaN")]
|
|
|
|
|
#[case("null")]
|
|
|
|
|
#[case("undefined")]
|
|
|
|
|
fn test_no_panics_on_problematic_input(#[case] input: &str) {
|
|
|
|
|
// These operations should never panic, only return errors
|
|
|
|
|
let _ = to_decimal(input.clone());
|
|
|
|
|
let _ = decimal_add(input.clone(), "1".to_string());
|
|
|
|
|
let _ = decimal_abs(input.clone());
|
|
|
|
|
let _ = to_decimal(input.to_string());
|
|
|
|
|
let _ = decimal_add(input.to_string(), "1".to_string());
|
|
|
|
|
let _ = decimal_abs(input.to_string());
|
|
|
|
|
|
|
|
|
|
let parser = ScriptParser::new();
|
|
|
|
|
let _ = parser.transform(&input);
|
|
|
|
|
let _ = parser.extract_dependencies(&input);
|
|
|
|
|
}
|
|
|
|
|
let _ = parser.transform(input);
|
|
|
|
|
let _ = parser.extract_dependencies(input);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#[test]
|
|
|
|
|
fn test_scientific_notation_consistency(
|
|
|
|
|
mantissa in -1000f64..1000f64,
|
|
|
|
|
exponent in -10i32..10i32
|
|
|
|
|
) {
|
|
|
|
|
let sci_notation = format!("{}e{}", mantissa, exponent);
|
|
|
|
|
let conversion_result = to_decimal(sci_notation);
|
|
|
|
|
// Test no panics on very long inputs
|
|
|
|
|
#[rstest]
|
|
|
|
|
fn test_no_panics_on_very_long_input() {
|
|
|
|
|
// Create very long number string
|
|
|
|
|
let long_number = "1".to_owned() + &"0".repeat(1000);
|
|
|
|
|
|
|
|
|
|
// These operations should never panic, only return errors
|
|
|
|
|
let _ = to_decimal(long_number.clone());
|
|
|
|
|
let _ = decimal_add(long_number.clone(), "1".to_string());
|
|
|
|
|
let _ = decimal_abs(long_number.clone());
|
|
|
|
|
|
|
|
|
|
let parser = ScriptParser::new();
|
|
|
|
|
let _ = parser.transform(&long_number);
|
|
|
|
|
let _ = parser.extract_dependencies(&long_number);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Test scientific notation consistency
|
|
|
|
|
#[rstest]
|
|
|
|
|
#[case("1e2", "100")]
|
|
|
|
|
#[case("1.5e3", "1500")]
|
|
|
|
|
#[case("2.5e-2", "0.025")]
|
|
|
|
|
#[case("1e0", "1")]
|
|
|
|
|
#[case("5e1", "50")]
|
|
|
|
|
fn test_scientific_notation_consistency(#[case] sci_notation: &str, #[case] expected: &str) {
|
|
|
|
|
let conversion_result = to_decimal(sci_notation.to_string());
|
|
|
|
|
|
|
|
|
|
// If conversion succeeds, result should be a valid decimal
|
|
|
|
|
if let Ok(result) = conversion_result {
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|
|
|
|
prop_assert!(Decimal::from_str(&result).is_ok());
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|
|
|
|
assert!(Decimal::from_str(&result).is_ok(), "Result should be valid decimal: {}", result);
|
|
|
|
|
|
|
|
|
|
// Check if it matches expected value (approximately)
|
|
|
|
|
let result_decimal = Decimal::from_str(&result).unwrap();
|
|
|
|
|
let expected_decimal = Decimal::from_str(expected).unwrap();
|
|
|
|
|
let diff = (result_decimal - expected_decimal).abs();
|
|
|
|
|
let tolerance = Decimal::from_str("0.0001").unwrap();
|
|
|
|
|
|
|
|
|
|
assert!(diff <= tolerance,
|
|
|
|
|
"Scientific notation conversion incorrect: {} -> {} (expected {})",
|
|
|
|
|
sci_notation, result, expected);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Test precision edge cases
|
|
|
|
|
#[rstest]
|
|
|
|
|
#[case("0.000000000000000000000000001", "0.000000000000000000000000001", "0.000000000000000000000000002")]
|
|
|
|
|
#[case("999999999999999999999999999", "1", "1000000000000000000000000000")]
|
|
|
|
|
fn test_precision_edge_cases(#[case] a: &str, #[case] b: &str, #[case] expected: &str) {
|
|
|
|
|
let result = decimal_add(a.to_string(), b.to_string());
|
|
|
|
|
|
|
|
|
|
match result {
|
|
|
|
|
Ok(sum) => {
|
|
|
|
|
// If it succeeds, check if it's correct
|
|
|
|
|
let result_decimal = Decimal::from_str(&sum).unwrap();
|
|
|
|
|
let expected_decimal = Decimal::from_str(expected).unwrap();
|
|
|
|
|
assert_eq!(result_decimal, expected_decimal,
|
|
|
|
|
"Precision calculation incorrect: {} + {} = {} (expected {})",
|
|
|
|
|
a, b, sum, expected);
|
|
|
|
|
}
|
|
|
|
|
Err(_) => {
|
|
|
|
|
// Overflow errors are acceptable for extreme values
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// Test complex nested expressions
|
|
|
|
|
#[rstest]
|
|
|
|
|
#[case("(+ (* 2 3) (/ 12 4))")]
|
|
|
|
|
#[case("(sqrt (+ (* 3 3) (* 4 4)))")]
|
|
|
|
|
#[case("(abs (- (+ 10 5) (* 2 8)))")]
|
|
|
|
|
fn test_complex_nested_expressions(#[case] expr: &str) {
|
|
|
|
|
let parser = ScriptParser::new();
|
|
|
|
|
let transformed = parser.transform(expr);
|
|
|
|
|
|
|
|
|
|
// Should maintain balanced parentheses
|
|
|
|
|
let open_count = transformed.chars().filter(|c| *c == '(').count();
|
|
|
|
|
let close_count = transformed.chars().filter(|c| *c == ')').count();
|
|
|
|
|
assert_eq!(open_count, close_count, "Unbalanced parentheses in: {}", transformed);
|
|
|
|
|
|
|
|
|
|
// Should contain multiple decimal operations
|
|
|
|
|
let decimal_count = transformed.matches("decimal-").count();
|
|
|
|
|
assert!(decimal_count >= 2, "Should contain multiple decimal operations: {}", transformed);
|
|
|
|
|
}
|
|
|
|
|
|
filipriec