| // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // 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. |
| |
| #[test] |
| fn test_format_f64() { |
| assert_eq!("1", format!("{:.0}", 1.0f64)); |
| assert_eq!("9", format!("{:.0}", 9.4f64)); |
| assert_eq!("10", format!("{:.0}", 9.9f64)); |
| assert_eq!("9.8", format!("{:.1}", 9.849f64)); |
| assert_eq!("9.9", format!("{:.1}", 9.851f64)); |
| assert_eq!("1", format!("{:.0}", 0.5f64)); |
| assert_eq!("1.23456789e6", format!("{:e}", 1234567.89f64)); |
| assert_eq!("1.23456789e3", format!("{:e}", 1234.56789f64)); |
| assert_eq!("1.23456789E6", format!("{:E}", 1234567.89f64)); |
| assert_eq!("1.23456789E3", format!("{:E}", 1234.56789f64)); |
| assert_eq!("0.0", format!("{:?}", 0.0f64)); |
| assert_eq!("1.01", format!("{:?}", 1.01f64)); |
| } |
| |
| #[test] |
| fn test_format_f32() { |
| assert_eq!("1", format!("{:.0}", 1.0f32)); |
| assert_eq!("9", format!("{:.0}", 9.4f32)); |
| assert_eq!("10", format!("{:.0}", 9.9f32)); |
| assert_eq!("9.8", format!("{:.1}", 9.849f32)); |
| assert_eq!("9.9", format!("{:.1}", 9.851f32)); |
| assert_eq!("1", format!("{:.0}", 0.5f32)); |
| assert_eq!("1.2345679e6", format!("{:e}", 1234567.89f32)); |
| assert_eq!("1.2345679e3", format!("{:e}", 1234.56789f32)); |
| assert_eq!("1.2345679E6", format!("{:E}", 1234567.89f32)); |
| assert_eq!("1.2345679E3", format!("{:E}", 1234.56789f32)); |
| assert_eq!("0.0", format!("{:?}", 0.0f32)); |
| assert_eq!("1.01", format!("{:?}", 1.01f32)); |
| } |
