ICH: Add test case for indexing expressions.

src/test/incremental/hashes/indexing_expressions.rs

@@ -0,0 +1,157 @@
+// 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 closure expression.
+
+// 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"]
+#![feature(inclusive_range_syntax)]
+
+// Change simple index ---------------------------------------------------------
+#[cfg(cfail1)]
+fn change_simple_index(slice: &[u32]) -> u32 {
+    slice[3]
+}
+
+#[cfg(not(cfail1))]
+#[rustc_clean(label="Hir", cfg="cfail2")]
+#[rustc_clean(label="Hir", cfg="cfail3")]
+#[rustc_dirty(label="HirBody", cfg="cfail2")]
+#[rustc_clean(label="HirBody", cfg="cfail3")]
+#[rustc_metadata_clean(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+fn change_simple_index(slice: &[u32]) -> u32 {
+    slice[4]
+}
+
+
+
+// Change lower bound ----------------------------------------------------------
+#[cfg(cfail1)]
+fn change_lower_bound(slice: &[u32]) -> &[u32] {
+    &slice[3..5]
+}
+
+#[cfg(not(cfail1))]
+#[rustc_clean(label="Hir", cfg="cfail2")]
+#[rustc_clean(label="Hir", cfg="cfail3")]
+#[rustc_dirty(label="HirBody", cfg="cfail2")]
+#[rustc_clean(label="HirBody", cfg="cfail3")]
+#[rustc_metadata_clean(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+fn change_lower_bound(slice: &[u32]) -> &[u32] {
+    &slice[2..5]
+}
+
+
+
+// Change upper bound ----------------------------------------------------------
+#[cfg(cfail1)]
+fn change_upper_bound(slice: &[u32]) -> &[u32] {
+    &slice[3..5]
+}
+
+#[cfg(not(cfail1))]
+#[rustc_clean(label="Hir", cfg="cfail2")]
+#[rustc_clean(label="Hir", cfg="cfail3")]
+#[rustc_dirty(label="HirBody", cfg="cfail2")]
+#[rustc_clean(label="HirBody", cfg="cfail3")]
+#[rustc_metadata_clean(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+fn change_upper_bound(slice: &[u32]) -> &[u32] {
+    &slice[3..7]
+}
+
+
+
+// Add lower bound -------------------------------------------------------------
+#[cfg(cfail1)]
+fn add_lower_bound(slice: &[u32]) -> &[u32] {
+    &slice[..4]
+}
+
+#[cfg(not(cfail1))]
+#[rustc_clean(label="Hir", cfg="cfail2")]
+#[rustc_clean(label="Hir", cfg="cfail3")]
+#[rustc_dirty(label="HirBody", cfg="cfail2")]
+#[rustc_clean(label="HirBody", cfg="cfail3")]
+#[rustc_metadata_clean(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+fn add_lower_bound(slice: &[u32]) -> &[u32] {
+    &slice[3..4]
+}
+
+
+
+// Add upper bound -------------------------------------------------------------
+#[cfg(cfail1)]
+fn add_upper_bound(slice: &[u32]) -> &[u32] {
+    &slice[3..]
+}
+
+#[cfg(not(cfail1))]
+#[rustc_clean(label="Hir", cfg="cfail2")]
+#[rustc_clean(label="Hir", cfg="cfail3")]
+#[rustc_dirty(label="HirBody", cfg="cfail2")]
+#[rustc_clean(label="HirBody", cfg="cfail3")]
+#[rustc_metadata_clean(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+fn add_upper_bound(slice: &[u32]) -> &[u32] {
+    &slice[3..7]
+}
+
+
+
+// Change mutability -----------------------------------------------------------
+#[cfg(cfail1)]
+fn change_mutability(slice: &mut [u32]) -> u32 {
+    (&mut slice[3..5])[0]
+}
+
+#[cfg(not(cfail1))]
+#[rustc_clean(label="Hir", cfg="cfail2")]
+#[rustc_clean(label="Hir", cfg="cfail3")]
+#[rustc_dirty(label="HirBody", cfg="cfail2")]
+#[rustc_clean(label="HirBody", cfg="cfail3")]
+#[rustc_metadata_clean(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+fn change_mutability(slice: &mut [u32]) -> u32 {
+    (&slice[3..5])[0]
+}
+
+
+
+// Exclusive to inclusive range ------------------------------------------------
+#[cfg(cfail1)]
+fn exclusive_to_inclusive_range(slice: &[u32]) -> &[u32] {
+    &slice[3..7]
+}
+
+#[cfg(not(cfail1))]
+#[rustc_clean(label="Hir", cfg="cfail2")]
+#[rustc_clean(label="Hir", cfg="cfail3")]
+#[rustc_dirty(label="HirBody", cfg="cfail2")]
+#[rustc_clean(label="HirBody", cfg="cfail3")]
+#[rustc_metadata_clean(cfg="cfail2")]
+#[rustc_metadata_clean(cfg="cfail3")]
+fn exclusive_to_inclusive_range(slice: &[u32]) -> &[u32] {
+    &slice[3...7]
+}