Test `u32_i32_impls`

Source location: tests/coherence_overlap.rs:345

#[test]
fn u32_i32_impls() {
    FormalityTest::new(crates![crate core {
        trait Foo {}
        impl Foo for u32 {}
        impl Foo for i32 {}
    }])
    .skip_execute()
    .ok()
}

Rules proved (19)

Judgment	Rule	All tests of this rule
check_all_crates	check all prefixes	131 tests
check_coherence	check_coherence	131 tests
check_crate	check crate	131 tests
check_crate_item	trait	131 tests
check_crate_item	trait impl	127 tests
check_drop_impl_always_applicable	not a Drop impl	127 tests
check_safety_matches	safety matches	127 tests
check_trait	check trait	131 tests
check_trait_impl	check_trait_impl	127 tests
is_local_trait_ref	local trait	126 tests
orphan_check	orphan_check	127 tests
overlap_check_impl	not goal	115 tests
overlap_check_impl	same impl	127 tests
prove_after	prove_after	154 tests
prove_wc	eq	148 tests
prove_wc	positive impl	136 tests
prove_wc	trait ref is local	128 tests
prove_wc_list	none	155 tests
prove_wc_list	some	154 tests

Premises failed (0)

This test records no negative coverage.

Proof trees

Proof tree

check_all_crates (check all prefixes) mod.rs:54
- args
- for_all mod.rs:41
  - for_all mod.rs:51
    
    args
    
    check_crate (check crate) mod.rs:75
    
    args
    
    for_all mod.rs:60
    
    for_all mod.rs:72
    
    args
    
    check_crate_item (trait) mod.rs:188
    
    args
    
    check_trait (check trait) traits.rs:26
    
    args
    
    prove_wc_list (none) prove_wc_list.rs:21
    
    args
    
    for_all mod.rs:72
    
    args
    
    check_crate_item (trait impl) mod.rs:195
    
    args
    
    check_trait_impl (check_trait_impl) impls.rs:41
    
    args
    
    prove_wc_list (none) prove_wc_list.rs:21
    
    args
    
    prove_wc_list (some) prove_wc_list.rs:28
    
    args
    
    prove_wc (positive impl) prove_wc.rs:81
    
    args
    
    prove_wc_list (some) prove_wc_list.rs:28
    
    args
    
    prove_wc (eq) prove_wc.rs:120
    
    args
    
    prove_after (prove_after) prove_after.rs:20
    
    args
    
    prove_wc_list (none) prove_wc_list.rs:21
    
    args
    
    prove_after (prove_after) prove_after.rs:20
    
    args
    
    prove_wc_list (none) prove_wc_list.rs:21
    
    args
    
    prove_after (prove_after) prove_after.rs:20
    
    args
    
    prove_wc_list (none) prove_wc_list.rs:21
    
    args
    
    prove_after (prove_after) prove_after.rs:20
    
    args
    
    prove_wc_list (none) prove_wc_list.rs:21
    
    args
    
    check_safety_matches (safety matches) impls.rs:85
    
    args
    
    check_drop_impl_always_applicable (not a Drop impl) impls.rs:340
    
    args
    
    for_all mod.rs:72
    
    args
    
    check_crate_item (trait impl) mod.rs:195
    
    args
    
    check_trait_impl (check_trait_impl) impls.rs:41
    
    args
    
    prove_wc_list (none) prove_wc_list.rs:21
    
    args
    
    prove_wc_list (some) prove_wc_list.rs:28
    
    args
    
    prove_wc (positive impl) prove_wc.rs:81
    
    args
    
    prove_wc_list (some) prove_wc_list.rs:28
    
    args
    
    prove_wc (eq) prove_wc.rs:120
    
    args
    
    prove_after (prove_after) prove_after.rs:20
    
    args
    
    prove_wc_list (none) prove_wc_list.rs:21
    
    args
    
    prove_after (prove_after) prove_after.rs:20
    
    args
    
    prove_wc_list (none) prove_wc_list.rs:21
    
    args
    
    prove_after (prove_after) prove_after.rs:20
    
    args
    
    prove_wc_list (none) prove_wc_list.rs:21
    
    args
    
    prove_after (prove_after) prove_after.rs:20
    
    args
    
    prove_wc_list (none) prove_wc_list.rs:21
    
    args
    
    check_safety_matches (safety matches) impls.rs:85
    
    args
    
    check_drop_impl_always_applicable (not a Drop impl) impls.rs:340
    
    args
    
    check_coherence (check_coherence) coherence.rs:23
    
    args
    
    for_all coherence.rs:7
    
    for_all coherence.rs:16
    
    args
    
    for_all coherence.rs:7
    
    for_all coherence.rs:17
    
    args
    
    overlap_check_impl (same impl) coherence.rs:73
    
    args
    
    for_all coherence.rs:17
    
    args
    
    overlap_check_impl (not goal) coherence.rs:107
    
    args
    
    for_all coherence.rs:16
    
    args
    
    for_all coherence.rs:7
    
    for_all coherence.rs:17
    
    args
    
    overlap_check_impl (not goal) coherence.rs:107
    
    args
    
    for_all coherence.rs:17
    
    args
    
    overlap_check_impl (same impl) coherence.rs:73
    
    args
    
    for_all coherence.rs:7
    
    for_all coherence.rs:19
    
    args
    
    orphan_check (orphan_check) coherence.rs:38
    
    args
    
    prove_wc_list (some) prove_wc_list.rs:28
    
    args
    
    prove_wc (trait ref is local) prove_wc.rs:141
    
    args
    
    is_local_trait_ref (local trait) is_local.rs:208
    
    args
    
    prove_after (prove_after) prove_after.rs:20
    
    args
    
    prove_wc_list (none) prove_wc_list.rs:21
    
    args
    
    for_all coherence.rs:19
    
    args
    
    orphan_check (orphan_check) coherence.rs:38
    
    args
    
    prove_wc_list (some) prove_wc_list.rs:28
    
    args
    
    prove_wc (trait ref is local) prove_wc.rs:141
    
    args
    
    is_local_trait_ref (local trait) is_local.rs:208
    
    args
    
    prove_after (prove_after) prove_after.rs:20
    
    args
    
    prove_wc_list (none) prove_wc_list.rs:21
    
    args

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A MIR Formality

Test u32_i32_impls

Rules proved (19)

Premises failed (0)

Proof trees

Test `u32_i32_impls`