TAP version 13
# Subtest: \#4082 empty instrumented file is fully covered, not a gap
ok 1 - \#4082 empty instrumented file is fully covered, not a gap
  ---
  duration_ms: 4.028692
  ...
# Subtest: \#4082 pct-only summaries preserve explicit zero and nonzero percentages
ok 2 - \#4082 pct-only summaries preserve explicit zero and nonzero percentages
  ---
  duration_ms: 1.0368
  ...
# Subtest: \#4083 LCOV aggregates counts for every metric, including unterminated last record
ok 3 - \#4083 LCOV aggregates counts for every metric, including unterminated last record
  ---
  duration_ms: 1.210651
  ...
# Subtest: \#4084 Istanbul final and NYC counters count unique lines and individual branch arms
ok 4 - \#4084 Istanbul final and NYC counters count unique lines and individual branch arms
  ---
  duration_ms: 1.798471
  ...
# Subtest: empty or malformed reports do not hide a valid fallback
ok 5 - empty or malformed reports do not hide a valid fallback
  ---
  duration_ms: 1.277701
  ...
# Subtest: Istanbul empty-file Unknown sentinel yields numeric 100% in totals and entries
not ok 6 - Istanbul empty-file Unknown sentinel yields numeric 100% in totals and entries
  ---
  duration_ms: 3.057651
  location: '<repo>/tests/regression/oct12-coverage.test.cjs:64:1'
  failureType: 'testCodeFailure'
  error: |-
    Expected values to be strictly equal:

    'Unknown' !== 100

  code: 'ERR_ASSERTION'
  name: 'AssertionError'
  expected: 100
  actual: 'Unknown'
  operator: 'strictEqual'
  stack: |-
    TestContext.<anonymous> (<repo>/tests/regression/oct12-coverage.test.cjs:68:10)
    Test.runInAsyncScope (node:async_hooks:206:9)
    Test.run (node:internal/test_runner/test:796:25)
    Test.processPendingSubtests (node:internal/test_runner/test:526:18)
    Test.postRun (node:internal/test_runner/test:889:19)
    Test.run (node:internal/test_runner/test:835:12)
    async Test.processPendingSubtests (node:internal/test_runner/test:526:7)
  ...
# Subtest: legacy NYC summary reports remain readable
not ok 7 - legacy NYC summary reports remain readable
  ---
  duration_ms: 1.124631
  location: '<repo>/tests/regression/oct12-coverage.test.cjs:71:1'
  failureType: 'testCodeFailure'
  error: |-
    Expected values to be strictly equal:

    false !== true

  code: 'ERR_ASSERTION'
  name: 'AssertionError'
  expected: true
  actual: false
  operator: 'strictEqual'
  stack: |-
    TestContext.<anonymous> (<repo>/tests/regression/oct12-coverage.test.cjs:73:10)
    Test.runInAsyncScope (node:async_hooks:206:9)
    Test.run (node:internal/test_runner/test:796:25)
    Test.processPendingSubtests (node:internal/test_runner/test:526:18)
    Test.postRun (node:internal/test_runner/test:889:19)
    Test.run (node:internal/test_runner/test:835:12)
    async Test.processPendingSubtests (node:internal/test_runner/test:526:7)
  ...
1..7
# tests 7
# suites 0
# pass 5
# fail 2
# cancelled 0
# skipped 0
# todo 0
# duration_ms 33.309396
