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Diffstat (limited to '')
-rw-r--r-- | vendor/ryu/tests/s2f_test.rs | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/vendor/ryu/tests/s2f_test.rs b/vendor/ryu/tests/s2f_test.rs new file mode 100644 index 000000000..5bae935ff --- /dev/null +++ b/vendor/ryu/tests/s2f_test.rs @@ -0,0 +1,110 @@ +// Translated from C to Rust. The original C code can be found at +// https://github.com/ulfjack/ryu and carries the following license: +// +// Copyright 2018 Ulf Adams +// +// The contents of this file may be used under the terms of the Apache License, +// Version 2.0. +// +// (See accompanying file LICENSE-Apache or copy at +// http://www.apache.org/licenses/LICENSE-2.0) +// +// Alternatively, the contents of this file may be used under the terms of +// the Boost Software License, Version 1.0. +// (See accompanying file LICENSE-Boost or copy at +// https://www.boost.org/LICENSE_1_0.txt) +// +// Unless required by applicable law or agreed to in writing, this software +// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. + +#![allow(dead_code)] +#![allow( + clippy::cast_lossless, + clippy::cast_possible_truncation, + clippy::cast_possible_wrap, + clippy::cast_possible_wrap, + clippy::cast_sign_loss, + clippy::checked_conversions, + clippy::float_cmp, + clippy::manual_range_contains, + clippy::similar_names, + clippy::too_many_lines, + clippy::unreadable_literal, + clippy::unseparated_literal_suffix, + clippy::wildcard_imports +)] + +#[path = "../src/common.rs"] +mod common; + +#[cfg(not(feature = "small"))] +#[path = "../src/d2s_full_table.rs"] +mod d2s_full_table; + +#[path = "../src/d2s_intrinsics.rs"] +mod d2s_intrinsics; + +#[cfg(feature = "small")] +#[path = "../src/d2s_small_table.rs"] +mod d2s_small_table; + +#[path = "../src/d2s.rs"] +mod d2s; + +#[path = "../src/f2s_intrinsics.rs"] +mod f2s_intrinsics; + +#[path = "../src/f2s.rs"] +mod f2s; + +#[path = "../src/s2f.rs"] +mod s2f; + +#[path = "../src/parse.rs"] +mod parse; + +use crate::parse::Error; +use crate::s2f::s2f; + +impl PartialEq for Error { + fn eq(&self, other: &Self) -> bool { + *self as u8 == *other as u8 + } +} + +#[test] +fn test_basic() { + assert_eq!(0.0, s2f(b"0").unwrap()); + assert_eq!(-0.0, s2f(b"-0").unwrap()); + assert_eq!(1.0, s2f(b"1").unwrap()); + assert_eq!(-1.0, s2f(b"-1").unwrap()); + assert_eq!(123456792.0, s2f(b"123456789").unwrap()); + assert_eq!(299792448.0, s2f(b"299792458").unwrap()); +} + +#[test] +fn test_min_max() { + assert_eq!(1e-45, s2f(b"1e-45").unwrap()); + assert_eq!(f32::MIN_POSITIVE, s2f(b"1.1754944e-38").unwrap()); + assert_eq!(f32::MAX, s2f(b"3.4028235e+38").unwrap()); +} + +#[test] +fn test_mantissa_rounding_overflow() { + assert_eq!(1.0, s2f(b"0.999999999").unwrap()); + assert_eq!(f32::INFINITY, s2f(b"3.4028236e+38").unwrap()); + assert_eq!(1.1754944e-38, s2f(b"1.17549430e-38").unwrap()); // FLT_MIN + assert_eq!(1.1754944e-38, s2f(b"1.17549431e-38").unwrap()); + assert_eq!(1.1754944e-38, s2f(b"1.17549432e-38").unwrap()); + assert_eq!(1.1754944e-38, s2f(b"1.17549433e-38").unwrap()); + assert_eq!(1.1754944e-38, s2f(b"1.17549434e-38").unwrap()); + assert_eq!(1.1754944e-38, s2f(b"1.17549435e-38").unwrap()); +} + +#[test] +fn test_trailing_zeros() { + assert_eq!(26843550.0, s2f(b"26843549.5").unwrap()); + assert_eq!(50000004.0, s2f(b"50000002.5").unwrap()); + assert_eq!(99999992.0, s2f(b"99999989.5").unwrap()); +} |