Test mismatch
Source location: tests/consts.rs:32
#[test]
fn mismatch() {
FormalityTest::new(crates![crate Foo {
trait Foo<const C> where type_of_const C is bool {}
impl Foo<u32(42)> for u32 {}
}]).err(expect_test::expect![[r#"
crates/formality-rust/src/prove/prove_normalize.rs:18:1: no applicable rules for prove_normalize { p: u32, assumptions: {}, env: Env { variables: [], bias: Soundness, pending: [], allow_pending_outlives: false } }
crates/formality-rust/src/prove/prove_normalize.rs:18:1: no applicable rules for prove_normalize { p: bool, assumptions: {}, env: Env { variables: [], bias: Soundness, pending: [], allow_pending_outlives: false } }
the rule "trait implied bound" at (prove_wc.rs) failed because
expression evaluated to an empty collection: `decls.trait_invariants()`"#]])
}
Rules proved (0)
This test records no positive coverage.
Premises failed (12)
The last column links to the premise’s page when the judgment view counts this failure against that premise. It does not when the premise is read as infallible, or when the failure was blamed inside a multi-line premise that carries no record on its own first line.
| Judgment | Rule | Premise | All tests of this premise |
|---|---|---|---|
| check_trait_impl | check_trait_impl | super::prove_goal(program, env, where_clauses, P… (line 28) | 2 tests |
| check_all_crates | check all prefixes | for_all(i in 0..crates.len()) (let program = cra… (line 51, blamed at line 53) | not counted by the judgment view |
| check_crate | check crate | for_all(item in &c.items) (check_crate_item(prog… (line 72, blamed at line 73) | not counted by the judgment view |
| check_crate_item | trait impl | check_trait_impl(program, v, crate_id) => () (line 193) | 10 tests |
| prove_after | prove_after | prove(decls, c1.env(), assumptions, goal) => c2 (line 19) | 18 tests |
| prove_eq | symmetric | prove_eq(decls, env, assumptions, r, l) => env_c (line 38) | 15 tests |
| prove_eq | normalize-l | prove_normalize(decls, env, assumptions, x) => C… (line 68) | 15 tests |
| prove_wc | positive impl | prove_after(decls, c, assumptions, &t.where_clau… (line 80) | 4 tests |
| prove_wc | trait implied bound | ti in decls.trait_invariants() (line 109) | 14 tests |
| prove_wc | eq | prove_eq(decls, env, assumptions, a, b) => c (line 119) | 15 tests |
| prove_wc | const has ty | prove_after(decls, c, assumptions, Predicate::eq… (line 160) | 1 test |
| prove_wc_list | some | prove_wc(decls, env, assumptions, wc0) => c (line 26) | 42 tests |
Proof trees
Failed proof tree
check_all_crates failedmod.rs:41args
rule "check all prefixes"mod.rs:53check_crate failedmod.rs:60args
rule "check crate"mod.rs:73check_crate_item failedmod.rs:178rule "trait impl"mod.rs:193check_trait_impl failedimpls.rs:14rule "check_trait_impl"impls.rs:28prove failedfunction.rs:250args
rulefunction.rs:250prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "positive impl"prove_wc.rs:80prove_after failedprove_after.rs:8args
rule "prove_after"prove_after.rs:19prove failedprove_after.rs:19args
ruleprove_after.rs:19prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "const has ty"prove_wc.rs:160prove_after failedprove_after.rs:8args
rule "prove_after"prove_after.rs:19prove failedprove_after.rs:19args
ruleprove_after.rs:19prove_wc_list failedprove_wc_list.rs:8args
rule "some"prove_wc_list.rs:26prove_wc failedprove_wc.rs:21args
rule "eq"prove_wc.rs:119prove_eq failedprove_eq.rs:23args
rule "normalize-l"prove_eq.rs:68prove_normalize failedprove_normalize.rs:18args
rule "symmetric"prove_eq.rs:38prove_eq failedprove_eq.rs:23args
rule "normalize-l"prove_eq.rs:68prove_normalize failedprove_normalize.rs:18args
rule "trait implied bound"prove_wc.rs:109 (failed: empty_collection)