77 lines
1.6 KiB
Rust
77 lines
1.6 KiB
Rust
// Adapted from https://github.com/Alexhuszagh/rust-lexical.
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use crate::lexical::num::{AsPrimitive, Float, Integer, Number};
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fn check_as_primitive<T: AsPrimitive>(t: T) {
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let _: u32 = t.as_u32();
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let _: u64 = t.as_u64();
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let _: u128 = t.as_u128();
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let _: usize = t.as_usize();
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let _: f32 = t.as_f32();
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let _: f64 = t.as_f64();
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}
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#[test]
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fn as_primitive_test() {
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check_as_primitive(1u32);
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check_as_primitive(1u64);
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check_as_primitive(1u128);
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check_as_primitive(1usize);
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check_as_primitive(1f32);
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check_as_primitive(1f64);
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}
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fn check_number<T: Number>(x: T, y: T) {
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// Copy, partialeq, partialord
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let _ = x;
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assert!(x < y);
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assert!(x != y);
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// Operations
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let _ = y + x;
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// Conversions already tested.
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}
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#[test]
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fn number_test() {
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check_number(1u32, 5);
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check_number(1u64, 5);
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check_number(1u128, 5);
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check_number(1usize, 5);
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check_number(1f32, 5.0);
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check_number(1f64, 5.0);
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}
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fn check_integer<T: Integer>(x: T) {
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// Bitwise operations
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let _ = x & T::ZERO;
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}
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#[test]
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fn integer_test() {
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check_integer(65u32);
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check_integer(65u64);
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check_integer(65u128);
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check_integer(65usize);
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}
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fn check_float<T: Float>(x: T) {
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// Check functions
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let _ = x.pow10(5);
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let _ = x.to_bits();
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assert!(T::from_bits(x.to_bits()) == x);
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// Check properties
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let _ = x.to_bits() & T::SIGN_MASK;
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let _ = x.to_bits() & T::EXPONENT_MASK;
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let _ = x.to_bits() & T::HIDDEN_BIT_MASK;
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let _ = x.to_bits() & T::MANTISSA_MASK;
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}
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#[test]
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fn float_test() {
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check_float(123f32);
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check_float(123f64);
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}
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