// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.


// This test case tests the incremental compilation hash (ICH) implementation
// for let expressions.

// The general pattern followed here is: Change one thing between rev1 and rev2
// and make sure that the hash has changed, then change nothing between rev2 and
// rev3 and make sure that the hash has not changed.

// must-compile-successfully
// revisions: cfail1 cfail2 cfail3
// compile-flags: -Z query-dep-graph


#![allow(warnings)]
#![feature(rustc_attrs)]
#![crate_type="rlib"]

struct Foo;

// Change Method Name -----------------------------------------------------------
#[cfg(cfail1)]
impl Foo {
    pub fn method_name() { }
}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
impl Foo {
    #[rustc_dirty(label="Hir", cfg="cfail2")]
    #[rustc_clean(label="Hir", cfg="cfail3")]
    #[rustc_metadata_dirty(cfg="cfail2")]
    #[rustc_metadata_clean(cfg="cfail3")]
    pub fn method_name2() { }
}

// Change Method Body -----------------------------------------------------------
//
// This should affect the method itself, but not the impl.
#[cfg(cfail1)]
impl Foo {
    pub fn method_body() { }
}

#[cfg(not(cfail1))]
#[rustc_clean(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_clean(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
impl Foo {
    #[rustc_dirty(label="Hir", cfg="cfail2")]
    #[rustc_clean(label="Hir", cfg="cfail3")]
    #[rustc_metadata_dirty(cfg="cfail2")]
    #[rustc_metadata_clean(cfg="cfail3")]
    pub fn method_body() {
        println!("Hello, world!");
    }
}

// Change Method Privacy -----------------------------------------------------------
#[cfg(cfail1)]
impl Foo {
    pub fn method_privacy() { }
}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
impl Foo {
    #[rustc_dirty(label="Hir", cfg="cfail2")]
    #[rustc_clean(label="Hir", cfg="cfail3")]
    #[rustc_metadata_dirty(cfg="cfail2")]
    #[rustc_metadata_clean(cfg="cfail3")]
    fn method_privacy() { }
}

// Change Method Selfness -----------------------------------------------------------
#[cfg(cfail1)]
impl Foo {
    pub fn method_selfness() { }
}

#[cfg(not(cfail1))]
#[rustc_dirty(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_dirty(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
impl Foo {
    #[rustc_dirty(label="Hir", cfg="cfail2")]
    #[rustc_clean(label="Hir", cfg="cfail3")]
    #[rustc_metadata_dirty(cfg="cfail2")]
    #[rustc_metadata_clean(cfg="cfail3")]
    pub fn method_selfness(&self) { }
}

// Change Method Selfmutness -----------------------------------------------------------
#[cfg(cfail1)]
impl Foo {
    pub fn method_selfmutness(&self) { }
}

#[cfg(not(cfail1))]
#[rustc_clean(label="Hir", cfg="cfail2")]
#[rustc_clean(label="Hir", cfg="cfail3")]
#[rustc_metadata_clean(cfg="cfail2")]
#[rustc_metadata_clean(cfg="cfail3")]
impl Foo {
    #[rustc_dirty(label="Hir", cfg="cfail2")]
    #[rustc_clean(label="Hir", cfg="cfail3")]
    #[rustc_metadata_dirty(cfg="cfail2")]
    #[rustc_metadata_clean(cfg="cfail3")]
    pub fn method_selfmutness(&mut self) { }
}