From 698f8c2f01ea549d77d7dc3338a12e04c11057b9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:02:58 +0200 Subject: Adding upstream version 1.64.0+dfsg1. Signed-off-by: Daniel Baumann --- compiler/rustc_data_structures/src/fingerprint/tests.rs | 14 ++++++++++++++ 1 file changed, 14 insertions(+) create mode 100644 compiler/rustc_data_structures/src/fingerprint/tests.rs (limited to 'compiler/rustc_data_structures/src/fingerprint/tests.rs') diff --git a/compiler/rustc_data_structures/src/fingerprint/tests.rs b/compiler/rustc_data_structures/src/fingerprint/tests.rs new file mode 100644 index 000000000..9b0783e33 --- /dev/null +++ b/compiler/rustc_data_structures/src/fingerprint/tests.rs @@ -0,0 +1,14 @@ +use super::*; + +// Check that `combine_commutative` is order independent. +#[test] +fn combine_commutative_is_order_independent() { + let a = Fingerprint::new(0xf6622fb349898b06, 0x70be9377b2f9c610); + let b = Fingerprint::new(0xa9562bf5a2a5303c, 0x67d9b6c82034f13d); + let c = Fingerprint::new(0x0d013a27811dbbc3, 0x9a3f7b3d9142ec43); + let permutations = [(a, b, c), (a, c, b), (b, a, c), (b, c, a), (c, a, b), (c, b, a)]; + let f = a.combine_commutative(b).combine_commutative(c); + for p in &permutations { + assert_eq!(f, p.0.combine_commutative(p.1).combine_commutative(p.2)); + } +} -- cgit v1.2.3