rust/tests/ui/excessive_precision.rs
2018-10-06 09:43:08 -07:00

71 lines
2.3 KiB
Rust

// Copyright 2014-2018 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
#![feature(tool_lints)]
#![warn(clippy::excessive_precision)]
#![allow(clippy::print_literal)]
fn main() {
// Consts
const GOOD32: f32 = 0.123_456;
const GOOD32_SM: f32 = 0.000_000_000_1;
const GOOD32_DOT: f32 = 10_000_000_000.0;
const GOOD32_EDGE: f32 = 1.000_000_8;
const GOOD64: f64 = 0.123_456_789_012;
const GOOD64_SM: f32 = 0.000_000_000_000_000_1;
const GOOD64_DOT: f32 = 10_000_000_000_000_000.0;
const BAD32_1: f32 = 0.123_456_789_f32;
const BAD32_2: f32 = 0.123_456_789;
const BAD32_3: f32 = 0.100_000_000_000_1;
const BAD32_EDGE: f32 = 1.000_000_9;
const BAD64_1: f64 = 0.123_456_789_012_345_67f64;
const BAD64_2: f64 = 0.123_456_789_012_345_67;
const BAD64_3: f64 = 0.100_000_000_000_000_000_1;
// Literal as param
println!("{:?}", 8.888_888_888_888_888_888_888);
// // TODO add inferred type tests for f32
// Locals
let good32: f32 = 0.123_456_f32;
let good32_2: f32 = 0.123_456;
let good64: f64 = 0.123_456_789_012;
let good64_suf: f64 = 0.123_456_789_012f64;
let good64_inf = 0.123_456_789_012;
let bad32: f32 = 1.123_456_789;
let bad32_suf: f32 = 1.123_456_789_f32;
let bad32_inf = 1.123_456_789_f32;
let bad64: f64 = 0.123_456_789_012_345_67;
let bad64_suf: f64 = 0.123_456_789_012_345_67f64;
let bad64_inf = 0.123_456_789_012_345_67;
// Vectors
let good_vec32: Vec<f32> = vec![0.123_456];
let good_vec64: Vec<f64> = vec![0.123_456_789];
let bad_vec32: Vec<f32> = vec![0.123_456_789];
let bad_vec64: Vec<f64> = vec![0.123_456_789_123_456_789];
// Exponential float notation
let good_e32: f32 = 1e-10;
let bad_e32: f32 = 1.123_456_788_888e-10;
let good_bige32: f32 = 1E-10;
let bad_bige32: f32 = 1.123_456_788_888E-10;
// Inferred type
let good_inferred: f32 = 1f32 * 1_000_000_000.;
}