diff options
Diffstat (limited to '')
-rw-r--r-- | vendor/ryu/tests/common_test.rs | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/vendor/ryu/tests/common_test.rs b/vendor/ryu/tests/common_test.rs new file mode 100644 index 000000000..2f05b3327 --- /dev/null +++ b/vendor/ryu/tests/common_test.rs @@ -0,0 +1,91 @@ +// 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::approx_constant, + clippy::cast_possible_wrap, + clippy::cast_sign_loss, + clippy::excessive_precision, + clippy::unreadable_literal, + clippy::wildcard_imports +)] + +#[path = "../src/common.rs"] +mod common; + +use common::*; + +#[test] +fn test_decimal_length9() { + assert_eq!(1, decimal_length9(0)); + assert_eq!(1, decimal_length9(1)); + assert_eq!(1, decimal_length9(9)); + assert_eq!(2, decimal_length9(10)); + assert_eq!(2, decimal_length9(99)); + assert_eq!(3, decimal_length9(100)); + assert_eq!(3, decimal_length9(999)); + assert_eq!(9, decimal_length9(999999999)); +} + +#[test] +fn test_ceil_log2_pow5() { + assert_eq!(1, ceil_log2_pow5(0)); + assert_eq!(3, ceil_log2_pow5(1)); + assert_eq!(5, ceil_log2_pow5(2)); + assert_eq!(7, ceil_log2_pow5(3)); + assert_eq!(10, ceil_log2_pow5(4)); + assert_eq!(8192, ceil_log2_pow5(3528)); +} + +#[test] +fn test_log10_pow2() { + assert_eq!(0, log10_pow2(0)); + assert_eq!(0, log10_pow2(1)); + assert_eq!(0, log10_pow2(2)); + assert_eq!(0, log10_pow2(3)); + assert_eq!(1, log10_pow2(4)); + assert_eq!(496, log10_pow2(1650)); +} + +#[test] +fn test_log10_pow5() { + assert_eq!(0, log10_pow5(0)); + assert_eq!(0, log10_pow5(1)); + assert_eq!(1, log10_pow5(2)); + assert_eq!(2, log10_pow5(3)); + assert_eq!(2, log10_pow5(4)); + assert_eq!(1831, log10_pow5(2620)); +} + +#[test] +fn test_float_to_bits() { + assert_eq!(0, 0.0_f32.to_bits()); + assert_eq!(0x40490fda, 3.1415926_f32.to_bits()); +} + +#[test] +fn test_double_to_bits() { + assert_eq!(0, 0.0_f64.to_bits()); + assert_eq!( + 0x400921FB54442D18, + 3.1415926535897932384626433_f64.to_bits(), + ); +} |