flips 0.2.1

Rust bindings to Flips, the Floating IPS patcher.
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extern crate flips;

const DATA1: &[u8] = include_bytes!("data/data1.bin");
const DATA2: &[u8] = include_bytes!("data/data2.bin");

const PATCH_1TO2: &[u8] = include_bytes!("data/patch1to2.ips");
const PATCH_2TO1: &[u8] = include_bytes!("data/patch2to1.ips");

#[test]
fn test_apply_correct() {
    let output = flips::IpsPatch::new(PATCH_1TO2).apply(DATA1).unwrap();
    assert_eq!(output.as_ref(), DATA2);
    let output = flips::IpsPatch::new(PATCH_2TO1).apply(DATA2).unwrap();
    assert_eq!(output.as_ref(), DATA1);
}

#[test]
fn test_apply_to_output() {
    let result = flips::IpsPatch::new(PATCH_1TO2).apply(DATA2);
    assert_eq!(result.unwrap_err(), flips::Error::ToOutput);
    let result = flips::IpsPatch::new(PATCH_2TO1).apply(DATA1);
    assert_eq!(result.unwrap_err(), flips::Error::ToOutput);
}

#[test]
fn test_apply_invalid() {
    let study = flips::IpsPatch::new(DATA1).apply(DATA2);
    assert_eq!(study.unwrap_err(), flips::Error::Invalid);
}

#[test]
fn test_create_apply() {
    let patch = flips::IpsBuilder::new().source(DATA1).target(DATA2).build().unwrap();
    let output = patch.apply(DATA1).unwrap();
    assert_eq!(output.as_ref(), DATA2);
}

#[test]
fn test_create_identical() {
    let result = flips::IpsBuilder::new().source(DATA1).target(DATA1).build();
    assert_eq!(result.unwrap_err(), flips::Error::Identical);
    let result = flips::IpsBuilder::new().source(DATA2).target(DATA2).build();
    assert_eq!(result.unwrap_err(), flips::Error::Identical);
}

#[test]
fn test_create_missing_arguments() {
    let result = flips::IpsBuilder::<&[u8], &[u8]>::new().build();
    assert_eq!(result.unwrap_err(), flips::Error::Canceled);
    let result = flips::IpsBuilder::<&[u8], &[u8]>::new().source(DATA1).build();
    assert_eq!(result.unwrap_err(), flips::Error::Canceled);
    let result = flips::IpsBuilder::<&[u8], &[u8]>::new().target(DATA1).build();
    assert_eq!(result.unwrap_err(), flips::Error::Canceled);
}

#[test]
fn test_study_apply_correct() {
    let study = flips::IpsPatch::new(PATCH_1TO2).study().unwrap();
    let output = study.apply(DATA1).unwrap();
    assert_eq!(output.as_ref(), DATA2);
}

#[test]
fn test_study_apply_to_output() {
    let study = flips::IpsPatch::new(PATCH_1TO2).study().unwrap();
    let result = study.apply(DATA2);
    assert_eq!(result.unwrap_err(), flips::Error::ToOutput);
    let study = flips::IpsPatch::new(PATCH_2TO1).study().unwrap();
    let result = study.apply(DATA1);
    assert_eq!(result.unwrap_err(), flips::Error::ToOutput);
}

#[test]
fn test_study_invalid() {
    let study = flips::IpsPatch::new(DATA1).study();
    assert_eq!(study.unwrap_err(), flips::Error::Invalid);
}