rustils 0.1.23

Utilities for rust
Documentation 
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extern crate rustils;

use rustils::parse::ubyte::*;
use rustils::RoundingMode::*;
use std::f32;
use std::f64;

#[test]
pub fn parse_bool_to_u8() {
    let t = true;
    let f = false;

    assert_eq!(Ok(1), t.to_u8_res());
    assert_eq!(Ok(0), f.to_u8_res());

    assert_eq!(1, t.to_u8());
    assert_eq!(0, f.to_u8());
}

#[test]
fn parse_i8_to_u8_0() {
    let a = 0_i8;
    let b = 127_i8;

    assert_eq!(0_u8, a.to_u8());
    assert_eq!(127_u8, b.to_u8());
}

#[test]
#[should_panic(expected = "Invalid Number: -1")]
fn parse_i8_to_u8_1() { (-1_i8).to_u8(); }

#[test]
fn parse_i16_to_u8_0() {
    let a = 0_i16;
    let b = 255_i16;

    assert_eq!(0_u8, a.to_u8());
    assert_eq!(255_u8, b.to_u8());
}

#[test]
#[should_panic(expected = "Invalid Number: -1")]
fn parse_i16_to_u8_1() { (-1_i32).to_u8(); }

#[test]
#[should_panic(expected = "Invalid Number: 256")]
fn parse_i16_to_u8_2() { (256_i32).to_u8(); }

#[test]
fn parse_u16_to_u8_0() {
    let a = 0_u16;
    let b = 255_u16;

    assert_eq!(0_u8, a.to_u8());
    assert_eq!(255_u8, b.to_u8());
}

#[test]
#[should_panic(expected = "Invalid Number: 256")]
fn parse_u16_to_u8_1() { (256_u16).to_u8(); }

#[test]
fn parse_i32_to_u8_0() {
    let a = 0_i32;
    let b = 255_i32;

    assert_eq!(0_u8, a.to_u8());
    assert_eq!(255_u8, b.to_u8());
}

#[test]
#[should_panic(expected = "Invalid Number: -1")]
fn parse_i32_to_u8_1() { (-1_i32).to_u8(); }

#[test]
#[should_panic(expected = "Invalid Number: 256")]
fn parse_i32_to_u8_2() { (256_i32).to_u8(); }

#[test]
fn parse_u32_to_u8_0() {
    let a = 0_u32;
    let b = 255_u32;

    assert_eq!(0_u8, a.to_u8());
    assert_eq!(255_u8, b.to_u8());
}

#[test]
#[should_panic(expected = "Invalid Number: 256")]
fn parse_u32_to_u8_1() { (256_u16).to_u8(); }

#[test]
fn parse_f32_to_u8_0() {
    let a = 0_f32;
    let b = 255_f32;
    let c = 1.321_f32;
    let d = 1.546_f32;

    assert_eq!(0_u8, a.to_u8());
    assert_eq!(255_u8, b.to_u8());
    assert_eq!(1_u8, c.to_u8_rm(Trunc));
    assert_eq!(2_u8, c.to_u8_rm(Ceil));
    assert_eq!(1_u8, c.to_u8_rm(Round));
    assert_eq!(1_u8, d.to_u8_rm(Trunc));
    assert_eq!(1_u8, d.to_u8_rm(Floor));
    assert_eq!(2_u8, d.to_u8_rm(Round));
}

#[test]
#[should_panic(expected = "Invalid Number: -1")]
fn parse_f32_to_u8_1() { (-1_f32).to_u8(); }

#[test]
#[should_panic(expected = "Invalid Number: 256")]
fn parse_f32_to_u8_2() { (256_f32).to_u8(); }

#[test]
#[should_panic(expected = "Invalid Number: NaN")]
fn parse_f32_to_u8_3() { (f32::NAN).to_u8(); }

#[test]
fn parse_i64_to_u8_0() {
    let a = 0_i64;
    let b = 255_i64;

    assert_eq!(0_u8, a.to_u8());
    assert_eq!(255_u8, b.to_u8());
}

#[test]
#[should_panic(expected = "Invalid Number: -1")]
fn parse_i64_to_u8_1() { (-1_i64).to_u8(); }

#[test]
#[should_panic(expected = "Invalid Number: 256")]
fn parse_i64_to_u8_2() { (256_i64).to_u8(); }

#[test]
fn parse_u64_to_u8_0() {
    let a = 0_u64;
    let b = 255_u64;

    assert_eq!(0_u8, a.to_u8());
    assert_eq!(255_u8, b.to_u8());
}

#[test]
#[should_panic(expected = "Invalid Number: 256")]
fn parse_u64_to_u8_1() { (256_u16).to_u8(); }

#[test]
fn parse_f64_to_u8_0() {
    let a = 0_f64;
    let b = 255_f64;
    let c = 1.321_f64;
    let d = 1.546_f64;

    assert_eq!(0_u8, a.to_u8());
    assert_eq!(255_u8, b.to_u8());
    assert_eq!(1_u8, c.to_u8_rm(Trunc));
    assert_eq!(2_u8, c.to_u8_rm(Ceil));
    assert_eq!(1_u8, c.to_u8_rm(Round));
    assert_eq!(1_u8, d.to_u8_rm(Trunc));
    assert_eq!(1_u8, d.to_u8_rm(Floor));
    assert_eq!(2_u8, d.to_u8_rm(Round));
}

#[test]
#[should_panic(expected = "Invalid Number: -1")]
fn parse_f64_to_u8_1() { (-1_f64).to_u8(); }

#[test]
#[should_panic(expected = "Invalid Number: 256")]
fn parse_f64_to_u8_2() { (256_f64).to_u8(); }

#[test]
#[should_panic(expected = "Invalid Number: NaN")]
fn parse_f64_to_u8_3() { (f64::NAN).to_u8(); }

#[test]
fn parse_isize_to_u8_0() {
    let a = 0_isize;
    let b = 255_isize;

    assert_eq!(0_u8, a.to_u8());
    assert_eq!(255_u8, b.to_u8());
}

#[test]
#[should_panic(expected = "Invalid Number: -1")]
fn parse_isize_to_u8_1() { (-1_isize).to_u8(); }

#[test]
#[should_panic(expected = "Invalid Number: 256")]
fn parse_isize_to_u8_2() { (256_isize).to_u8(); }

#[test]
fn parse_usize_to_u8_0() {
    let a = 0_usize;
    let b = 255_usize;

    assert_eq!(0_u8, a.to_u8());
    assert_eq!(255_u8, b.to_u8());
}

#[test]
#[should_panic(expected = "Invalid Number: 256")]
fn parse_usize_to_u8_1() { (256_u16).to_u8(); }

#[test]
fn parse_string_to_u8_0() {
    let a = String::from("0");
    let b = "0";

    let c = String::from("255");
    let d = "255";

    assert_eq!(0_u8, a.to_u8());
    assert_eq!(0_u8, b.to_u8());

    assert_eq!(255_u8, c.to_u8());
    assert_eq!(255_u8, d.to_u8());
}

#[test]
#[should_panic(expected = "Invalid Number: -1")]
fn parse_string_to_u8_1() { String::from("-1").to_u8(); }

#[test]
#[should_panic(expected = "Invalid Number: 256")]
fn parse_string_to_u8_2() { ("256").to_u8(); }