From f2b8d7bb3189115b3de4bc5e73b57a67b1dce364 Mon Sep 17 00:00:00 2001 From: Michael Woerister Date: Thu, 10 Nov 2016 15:06:51 -0500 Subject: [PATCH] ICH: Add test case for if- and if-let-expressions. --- src/test/incremental/hashes/if_expressions.rs | 232 ++++++++++++++++++ 1 file changed, 232 insertions(+) create mode 100644 src/test/incremental/hashes/if_expressions.rs diff --git a/src/test/incremental/hashes/if_expressions.rs b/src/test/incremental/hashes/if_expressions.rs new file mode 100644 index 00000000000..ba6289f754e --- /dev/null +++ b/src/test/incremental/hashes/if_expressions.rs @@ -0,0 +1,232 @@ +// 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 or the MIT license +// , 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 if 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"] + +// Change condition (if) ------------------------------------------------------- +#[cfg(cfail1)] +pub fn change_condition(x: bool) -> u32 { + if x { + return 1 + } + + return 0 +} + +#[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")] +pub fn change_condition(x: bool) -> u32 { + if !x { + return 1 + } + + return 0 +} + +// Change then branch (if) ----------------------------------------------------- +#[cfg(cfail1)] +pub fn change_then_branch(x: bool) -> u32 { + if x { + return 1 + } + + return 0 +} + +#[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")] +pub fn change_then_branch(x: bool) -> u32 { + if x { + return 2 + } + + return 0 +} + + + +// Change else branch (if) ----------------------------------------------------- +#[cfg(cfail1)] +pub fn change_else_branch(x: bool) -> u32 { + if x { + 1 + } else { + 2 + } +} + +#[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")] +pub fn change_else_branch(x: bool) -> u32 { + if x { + 1 + } else { + 3 + } +} + + + +// Add else branch (if) -------------------------------------------------------- +#[cfg(cfail1)] +pub fn add_else_branch(x: bool) -> u32 { + let mut ret = 1; + + if x { + ret += 1; + } + + ret +} + +#[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")] +pub fn add_else_branch(x: bool) -> u32 { + let mut ret = 1; + + if x { + ret += 1; + } else { + } + + ret +} + + + +// Change condition (if let) --------------------------------------------------- +#[cfg(cfail1)] +pub fn change_condition_if_let(x: Option) -> u32 { + if let Some(_x) = x { + return 1 + } + + 0 +} + +#[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")] +pub fn change_condition_if_let(x: Option) -> u32 { + if let Some(_) = x { + return 1 + } + + 0 +} + + + +// Change then branch (if let) ------------------------------------------------- +#[cfg(cfail1)] +pub fn change_then_branch_if_let(x: Option) -> u32 { + if let Some(x) = x { + return x + } + + 0 +} + +#[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")] +pub fn change_then_branch_if_let(x: Option) -> u32 { + if let Some(x) = x { + return x + 1 + } + + 0 +} + + + +// Change else branch (if let) ------------------------------------------------- +#[cfg(cfail1)] +pub fn change_else_branch_if_let(x: Option) -> u32 { + if let Some(x) = x { + x + } else { + 1 + } +} + +#[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")] +pub fn change_else_branch_if_let(x: Option) -> u32 { + if let Some(x) = x { + x + } else { + 2 + } +} + + + +// Add else branch (if let) ---------------------------------------------------- +#[cfg(cfail1)] +pub fn add_else_branch_if_let(x: Option) -> u32 { + let mut ret = 1; + + if let Some(x) = x { + ret += x; + } + + ret +} + +#[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")] +pub fn add_else_branch_if_let(x: Option) -> u32 { + let mut ret = 1; + + if let Some(x) = x { + ret += x; + } else { + } + + ret +} -- 2.44.0