diff options
Diffstat (limited to 'vendor/lebe/tests')
| -rw-r--r-- | vendor/lebe/tests/tests.rs | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/vendor/lebe/tests/tests.rs b/vendor/lebe/tests/tests.rs new file mode 100644 index 0000000..fb88bdd --- /dev/null +++ b/vendor/lebe/tests/tests.rs @@ -0,0 +1,213 @@ +extern crate lebe; + +use lebe::prelude::*; +use std::mem; + +use byteorder::{WriteBytesExt, LittleEndian, BigEndian, ReadBytesExt}; + +#[test] +fn make_le_u32_slice() { + // as seen on https://doc.rust-lang.org/std/primitive.u32.html#method.to_le + let n = 0x1Au32; + + let mut n_le = [n]; + n_le.convert_current_to_little_endian(); + + if cfg!(target_endian = "little") { + assert_eq!(n_le, [n]) + } + else { + assert_eq!(n_le, [u32::swap_bytes(n)]) + } + +// assert_eq!(n_le, byteorder::LittleEndian::from_) +} + +#[test] +fn make_be_u32_slice() { + // as seen on https://doc.rust-lang.org/std/primitive.u32.html#method.to_be + let n = 0x1Au32; + + let mut n_be = [n]; + n_be.convert_current_to_big_endian(); + + if cfg!(target_endian = "big") { + assert_eq!(n_be, [n]) + } + else { + assert_eq!(n_be, [n.swap_bytes()]) + } +} + +#[test] +fn make_le_u16_slice() { + // as seen on https://doc.rust-lang.org/std/primitive.u16.html#method.to_le + let n = 0x1Au16; + + let mut n_le = [n]; + n_le.convert_current_to_little_endian(); + + if cfg!(target_endian = "little") { + assert_eq!(n_le, [n]) + } + else { + assert_eq!(n_le, [n.swap_bytes()]) + } +} + +#[test] +fn make_le_i64_slice() { + // as seen on https://doc.rust-lang.org/std/primitive.u64.html#method.to_be + let n1 = 0x14F3EEBCCD93895A_i64; + let n2 = 0x114F3EF99B81CC5A_i64; + + let mut n_be = [n1, n2]; + n_be.convert_current_to_big_endian(); + + if cfg!(target_endian = "big") { + assert_eq!(n_be, [n1, n2]) + } + else { + assert_eq!(n_be, [n1.swap_bytes(), n2.swap_bytes()]) + } +} + +#[test] +fn make_be_f64() { + let i = 0x14F3EEBCCD93895A_u64; + + let mut f: f64 = unsafe { mem::transmute(i) }; + f.convert_current_to_big_endian(); + + assert_eq!(f, unsafe { mem::transmute(i.to_be()) }) +} + +#[test] +fn into_be_f64() { + let i = 0x14F3EEBCCD93895A_u64; + + let f: f64 = unsafe { mem::transmute(i) }; + let f = f.from_current_into_big_endian(); + + assert_eq!(f, unsafe { mem::transmute(i.to_be()) }) +} + +#[test] +fn into_be_i16() { + let i = 0x195A_i16; + let be = i.from_current_into_big_endian(); + + if cfg!(target_endian = "big") { + assert_eq!(be, i) + } + else { + assert_eq!(be, i.swap_bytes()) + } +} + +#[test] +fn into_be_u32() { + let i = 0x1220943_u32; + let be = i.from_current_into_big_endian(); + + if cfg!(target_endian = "big") { + assert_eq!(be, i) + } + else { + assert_eq!(be, i.swap_bytes()) + } +} + +#[test] +fn cmp_read_be_u16() { + let read: &[u8] = &[0x33, 0xbb]; + let a = u16::read_from_big_endian(&mut read.clone()).unwrap(); + let b: u16 = read.clone().read_from_big_endian().unwrap(); + let c = read.clone().read_u16::<BigEndian>().unwrap(); + + assert_eq!(a, b); + assert_eq!(a, c); +} + +#[test] +fn cmp_read_le_u16() { + let read: &[u8] = &[0x33, 0xbb]; + let a = u16::read_from_little_endian(&mut read.clone()).unwrap(); + let b: u16 = read.clone().read_from_little_endian().unwrap(); + let c = read.clone().read_u16::<LittleEndian>().unwrap(); + + assert_eq!(a, b); + assert_eq!(a, c); +} + +#[test] +fn cmp_read_le_f32() { + let read: &[u8] = &[0x33, 0xBB, 0x44, 0xCC]; + let a = f32::read_from_little_endian(&mut read.clone()).unwrap(); + let b: f32 = read.clone().read_from_little_endian().unwrap(); + let c = read.clone().read_f32::<LittleEndian>().unwrap(); + + assert_eq!(a, b); + assert_eq!(a, c); +} + +#[test] +fn cmp_read_be_slice() { + let mut write_expected = Vec::new(); + let mut write_actual = Vec::new(); + + let data: Vec<f32> = (0..31*31).map(|i| i as f32).collect(); + + for number in &data { + write_expected.write_f32::<BigEndian>(*number).unwrap(); + } + + write_actual.write_as_big_endian(data.as_slice()).unwrap(); + assert_eq!(write_actual, write_expected); +} + +#[test] +fn cmp_write_le_slice() { + let mut write_expected = Vec::new(); + let mut write_actual = Vec::new(); + + let data: Vec<f32> = (0..31*31).map(|i| i as f32).collect(); + + for number in &data { + write_expected.write_f32::<LittleEndian>(*number).unwrap(); + } + + write_actual.write_as_little_endian(data.as_slice()).unwrap(); + + assert_eq!(write_actual, write_expected); +} + +#[test] +fn cmp_write_le_u32() { + let mut write_expected = Vec::new(); + let mut write_actual = Vec::new(); + + let data = 0x23573688_u32; + write_expected.write_u32::<LittleEndian>(data).unwrap(); + write_actual.write_as_little_endian(&data).unwrap(); + + assert_eq!(write_actual, write_expected); +} + + + +#[test] +fn cmp_write_le_slice_u64() { + let mut write_expected = Vec::new(); + let mut write_actual = Vec::new(); + + let data: Vec<u64> = (1000..1000+310*31).map(|i| i as u64).collect(); + + for number in &data { + write_expected.write_u64::<LittleEndian>(*number).unwrap(); + } + + write_actual.write_as_little_endian(data.as_slice()).unwrap(); + + assert_eq!(write_actual, write_expected); +}
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