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rust/tests/coverage
History
Zalathar 3f526eeec4 coverage: Revert "unused local file IDs" due to empty function names 
This reverts commit 3b22c21dd8c30f499051fe7a758ca0e5d81eb638, reversing
changes made to 5f292eea6d63abbd26f1e6e00a0b8cf21d828d7d.
2025-05-27 23:33:29 +10:00
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attr
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auxiliary
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branch
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condition
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mcdc
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abort.cov-map
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abort.coverage
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abort.rs
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assert_not.cov-map
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assert_not.coverage
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assert_not.rs
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assert-ne.cov-map
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assert-ne.coverage
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assert-ne.rs
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assert.cov-map
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assert.coverage
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assert.rs
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async2.cov-map
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async2.coverage
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async2.rs
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async_block.cov-map
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async_block.coverage
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async_block.rs
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async_closure.cov-map
coverage: Revert "unused local file IDs" due to empty function names
2025-05-27 23:33:29 +10:00
async_closure.coverage
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async_closure.rs
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async.cov-map
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async.coverage
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async.rs
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await_ready.cov-map
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await_ready.coverage
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await_ready.rs
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bad_counter_ids.cov-map
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bad_counter_ids.coverage
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bad_counter_ids.rs
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bench.cov-map
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bench.coverage
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bench.rs
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closure_bug.cov-map
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closure_bug.coverage
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closure_bug.rs
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closure_macro_async.cov-map
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closure_macro_async.coverage
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closure_macro_async.rs
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closure_macro.cov-map
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closure_macro.coverage
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closure_macro.rs
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closure_unit_return.cov-map
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closure_unit_return.coverage
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closure_unit_return.rs
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closure.cov-map
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closure.coverage
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closure.rs
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color.coverage
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color.rs
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conditions.cov-map
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conditions.coverage
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conditions.rs
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continue.cov-map
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continue.coverage
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continue.rs
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coroutine.cov-map
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coroutine.coverage
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coroutine.rs
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coverage_attr_closure.cov-map
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coverage_attr_closure.coverage
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coverage_attr_closure.rs
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dead_code.cov-map
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dead_code.coverage
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dead_code.rs
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discard-all-issue-133606.coverage
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discard-all-issue-133606.rs
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drop_trait.cov-map
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drop_trait.coverage
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drop_trait.rs
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fn_sig_into_try.cov-map
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fn_sig_into_try.coverage
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fn_sig_into_try.rs
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generic-unused-impl.cov-map
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generic-unused-impl.coverage
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generic-unused-impl.rs
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generics.cov-map
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generics.coverage
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generics.rs
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holes.cov-map
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holes.coverage
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holes.rs
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if_else.cov-map
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if_else.rs
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if_not.coverage
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if_not.rs
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if.cov-map
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if.coverage
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if.rs
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ignore_map.coverage
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ignore_map.rs
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ignore_run.cov-map
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ignore_run.rs
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inline_mixed.rs
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inline-dead.cov-map
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inline-dead.coverage
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inline-dead.rs
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inline.cov-map
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inline.coverage
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inline.rs
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inner_items.cov-map
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inner_items.coverage
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inner_items.rs
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issue-83601.cov-map
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issue-83601.coverage
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issue-83601.rs
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issue-84561.cov-map
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issue-84561.coverage
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issue-84561.rs
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issue-85461.cov-map
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issue-85461.rs
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issue-93054.cov-map
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lazy_boolean.cov-map
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lazy_boolean.rs
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let_else_loop.cov-map
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let_else_loop.rs
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long_and_wide.cov-map
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long_and_wide.coverage
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long_and_wide.rs
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loop_break_value.cov-map
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loop_break_value.rs
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loop-break.rs
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loops_branches.rs
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macro_in_closure.cov-map
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macro_in_closure.coverage
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macro_in_closure.rs
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macro_name_span.cov-map
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macro_name_span.rs
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match_or_pattern.cov-map
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match_or_pattern.coverage
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match_or_pattern.rs
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nested_loops.cov-map
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nested_loops.coverage
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nested_loops.rs
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no_cov_crate.rs
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overflow.rs
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panic_unwind.rs
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partial_eq.cov-map
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partial_eq.rs
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README.md
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simple_loop.coverage
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simple_loop.rs
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simple_match.cov-map
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simple_match.rs
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README.md

The tests in this directory are shared by two different test modes, and can be run in multiple different ways:

  • ./x.py test coverage-map (compiles to LLVM IR and checks coverage mappings)
  • ./x.py test coverage-run (runs a test binary and checks its coverage report)
  • ./x.py test coverage (runs both coverage-map and coverage-run)

Maintenance note

These tests can be sensitive to small changes in MIR spans or MIR control flow, especially in HIR-to-MIR lowering or MIR optimizations.

If you haven't touched the coverage code directly, and the tests still pass in coverage-run mode, then it should usually be OK to just re-bless the mappings as necessary with ./x.py test coverage-map --bless, without worrying too much about the exact changes.