mudssky_utils 1.0.0

A comprehensive Rust utility library providing common functionality for everyday programming tasks
Documentation 
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use mudssky_utils::math::*;

#[test]
fn test_random_int_range() {
    for _ in 0..100 {
        let result = random_int(10, 20);
        assert!(result.is_ok());
        let num = result.unwrap();
        assert!(
            (10..20).contains(&num),
            "Generated number {num} is not in range [10, 20)"
        );
    }
}

#[test]
fn test_random_int_negative_range() {
    for _ in 0..100 {
        let result = random_int(-10, 10);
        assert!(result.is_ok());
        let num = result.unwrap();
        assert!(
            (-10..10).contains(&num),
            "Generated number {num} is not in range [-10, 10)"
        );
    }
}

#[test]
fn test_random_int_invalid_range() {
    let result = random_int(20, 10);
    assert!(result.is_err());

    let result = random_int(10, 10);
    assert!(result.is_err());
}

#[test]
fn test_random_int_max() {
    for _ in 0..100 {
        let result = random_int_max(50);
        assert!(result.is_ok());
        let num = result.unwrap();
        assert!(
            (0..50).contains(&num),
            "Generated number {num} is not in range [0, 50)"
        );
    }
}

#[test]
fn test_random_int_max_invalid() {
    let result = random_int_max(0);
    assert!(result.is_err());

    let result = random_int_max(-5);
    assert!(result.is_err());
}

#[test]
fn test_get_random_item_from_array() {
    let arr = vec!["apple", "banana", "cherry", "date"];

    for _ in 0..100 {
        let result = get_random_item_from_array(&arr);
        assert!(result.is_ok());
        let item = result.unwrap();
        assert!(arr.contains(&item), "Item {item} not found in array");
    }
}

#[test]
fn test_get_random_item_from_single_item_array() {
    let arr = vec![42];
    let result = get_random_item_from_array(&arr);
    assert!(result.is_ok());
    assert_eq!(result.unwrap(), 42);
}

#[test]
fn test_get_random_item_from_empty_array() {
    let arr: Vec<i32> = vec![];
    let result = get_random_item_from_array(&arr);
    assert!(result.is_err());
}

#[test]
fn test_get_random_item_with_different_types() {
    // Test with strings
    let string_arr = vec!["hello".to_string(), "world".to_string()];
    let result = get_random_item_from_array(&string_arr);
    assert!(result.is_ok());

    // Test with numbers
    let num_arr = vec![1.5, 2.7, std::f64::consts::PI];
    let result = get_random_item_from_array(&num_arr);
    assert!(result.is_ok());
    assert!(num_arr.contains(&result.unwrap()));
}

#[test]
fn test_math_error_display() {
    let error = MathError::InvalidArgument {
        message: "test error".to_string(),
    };
    assert_eq!(error.to_string(), "Invalid argument: test error");
}