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test(markdown-codec): work toward 100% mutation score - #1265

#1265

Draft

Mearman wants to merge 84 commits into

mainExaDev/documents.js:mainfrom

feat/100-percent-mutation-markdown-codecExaDev/documents.js:feat/100-percent-mutation-markdown-codecCopy head branch name to clipboard

Conversation Commits84 (84)Checks Files changed

Draft

test(markdown-codec): work toward 100% mutation score#1265
Mearman wants to merge 84 commits into
mainfrom
feat/100-percent-mutation-markdown-codec

Commits

Commits on Sep 16, 2026

test(markdown-codec): kill list-id numId mutants and drop an unreachable undefined branch
Mearman
committed
fddd722
test(markdown-codec): cover parseHeadingStyleId's integer and positivity guards
Mearman
committed
f21b8f4
test(markdown-codec): pin lowerTable's column-width division and absent keys
Mearman
committed
19c2b60
test(markdown-codec): add direct coverage for matchMathInlineSpan's guard clauses
Mearman
committed
ac4ab53
test(markdown-codec): add direct coverage for the footnote label/marker grammar
Mearman
committed
e704ec6
test(markdown-codec): pin resolveMarkdownImage's independent width/height axes
Mearman
committed
f09a020
test(markdown-codec): pin emitImage's alt fallback for altText-less images
Mearman
committed
c760c7d
test(markdown-codec): add direct coverage for isMarkdownBlockNode/isMarkdownInlineNode
Mearman
committed
8b47ac2
refactor(markdown-codec): always splice readMarkdown's own definitions/source table
Mearman
committed
373db07
refactor(markdown-codec): drop two unobservable branches in LineCursor
Mearman
committed
725fa40
test(markdown-codec): add direct coverage for InlineNode's linked-list operations
Mearman
committed
8cc9968
refactor(markdown-codec): drop unobservable guards in list-marker/tightness logic
Mearman
committed
3df5c9d
refactor(markdown-codec): make link primitives' loop bounds mutation-testable
Mearman
committed
5fe1f7b
refactor(markdown-codec): remove three provably-unreachable guards from MarkdownScanCursor
Mearman
committed
d57c633
refactor(markdown-codec): drop two redundant '<'-prefix guards in the HTML recogniser
Mearman
committed
125d8c3
test(markdown-codec): add direct coverage for BlockNode's own methods and canContain
Mearman
committed
87902ed
refactor(markdown-codec): remove length bounds absorbed by charAt's own out-of-range ""
Mearman
committed
5f7a8d2
refactor(markdown-codec): remove two more redundant guards, add codepoint-boundary coverage
Mearman
committed
c897f36
refactor(markdown-codec): drop table.ts's redundant escaped-pipe lookahead guard
Mearman
committed
f277d5b
refactor(markdown-codec): drop list.ts's redundant marker-match fields
Mearman
committed
a0e0de3
refactor(markdown-codec): drop skipInlineWhitespace's redundant range guard
Mearman
committed
d85590c
refactor(markdown-codec): drop unescapeString's redundant '&'-prefix guard
Mearman
committed
bc77e22
test(markdown-codec): pin next() leaving cursor state untouched past end
Mearman
committed
801a7b1
test(markdown-codec): pin table cell diagnostics and drop two redundant guards
Mearman
committed
87794f2
fix(markdown-codec): remove an exhausted closer's delimiter before it can be reused
Mearman
committed
d79c43f
test(markdown-codec): add a dedicated unit suite for the corpus loader
Mearman
committed
013004f
refactor(markdown-codec): drop definitions.ts's redundant label-length guard
Mearman
committed
85d3f10
test(markdown-codec): pin throw-tier error classes' own fields
Mearman
committed
8969235
test(markdown-codec): pin construct-extent, marker-balance, and write-side error fields
Mearman
committed
67b97c6
test(markdown-codec): kill diagnostics.ts's this.name assignment mutants
Mearman
committed
6e62303
test(markdown-codec): kill emit/front-matter.ts's quoting and escaping mutants
Mearman
committed
ec689aa
fix(markdown-codec): stop building the function-with-fields test fixture via Object.assign
Mearman
committed
dbfbc43
refactor(markdown-codec): merge lowerInlineNodes' text and entity cases
Mearman
committed
6386c4d
refactor(markdown-codec): drop render.ts's unkillable guards and case bodies
Mearman
committed
f33e806
test(markdown-codec): add direct coverage for lowerInlineNodes' own leaves
Mearman
committed
5b4f66d
test(markdown-codec): add direct coverage for the HTML render oracle
Mearman
committed
56cb844
refactor(markdown-codec): drop render.ts's cr() calls that can never fire
Mearman
committed
72f6322
test(markdown-codec): pin the remaining render.ts mutants directly
Mearman
committed
91b0bf2
refactor(markdown-codec): drop codePointAt's unreachable undefined guard
Mearman
committed
f448a40
test(markdown-codec): add direct coverage for chars.ts's own boundaries
Mearman
committed
cad9f89
test(markdown-codec): add direct coverage for front-matter parsing
Mearman
committed
7e9c540
test(markdown-codec): pin mathBlock's and footnoteDefinition's own cr()
Mearman
committed
263c605
refactor(markdown-codec): drop two more of chars.ts's unkillable guards
Mearman
committed
4441063
test(markdown-codec): pin chars.ts's own boundaries the fresh run found
Mearman
committed
c402d3f
refactor(markdown-codec): drop front-matter.ts's own unkillable loops
Mearman
committed
28486f6
test(markdown-codec): pin front-matter.ts's remaining boundaries
Mearman
committed
3737a76
test(markdown-codec): cover image.ts's base64 codec and format-sniffing paths
Mearman
committed
582a846
refactor(markdown-codec): drop emit.ts's own unkillable length-bound loops
Mearman
committed
2853830
test(markdown-codec): cover emit.ts's terminatesCleanly, isQuotableStyle,
Mearman
committed
27de5c0
refactor(markdown-codec): drop canInterruptOpenParagraph's own
Mearman
committed
15c0b49
test(markdown-codec): cover emit.ts's quote/fence/tab-stop boundaries
Mearman
committed
8e33320
test(markdown-codec): assert diagnostic message content for
Mearman
committed
26b2532
test(markdown-codec): cover emit.ts's line-break-collapse message
Mearman
committed
adde03e
test(markdown-codec): cover checkbox glyph stripping and
Mearman
committed
5c357b9
test(markdown-codec): cover renderConstruct's unrepresentable shapes
Mearman
committed
998c122
test(markdown-codec): cover divisionDepth's own restore-on-exit and
Mearman
committed
cc5f3ff
refactor(markdown-codec): drop renderListRegion's own unreachable
Mearman
committed
d945c3f
test(markdown-codec): cover the ballot-box-glyph/task-flag guard and
Mearman
committed
b08904d
test(markdown-codec): cover blank-line indentation for a LATER
Mearman
committed
48feb36
test(markdown-codec): assert message content for the two remaining
Mearman
committed
9f23d14
test(markdown-codec): fix the UNCHECKED glyph test to actually
Mearman
committed
ea15d75
test(markdown-codec): cover lastStyleIdOf's own last-child lookup
Mearman
committed
954f38d
test(markdown-codec): cover the nested sub-list's own last-block
Mearman
committed
fe8d7b0
test(markdown-codec): cover openMemberships' own same-level pop
Mearman
committed
937d587
test(markdown-codec): cover isMaterialisedDivision's own every-vs-some
Mearman
committed
e950702
test(markdown-codec): cover constructCarriesListItemId's own
Mearman
committed
d05d3ed
test(markdown-codec): cover validateRunConstructExtents' own
Mearman
committed
83f2240
refactor(markdown-codec): drop collectListItem's own unkillable
Mearman
committed
49cdc91
test(markdown-codec): cover willRenderAsSetext's own level boundary
Mearman
committed
3772c8f
refactor(markdown-codec): drop renderConstruct's own redundant
Mearman
committed
3d7dcc4
test(markdown-codec): cover firstBlockCheckbox's own stripGlyph:
Mearman
committed
f127856
test(markdown-codec): cover the link construct's own exact-one-child
Mearman
committed
dd3453f
test(markdown-codec): cover HEADING_LEVEL_CLAMPED's own false case and
Mearman
committed
35d6f18
test(markdown-codec): cover interruptsSetextParagraph's own
Mearman
committed
ad4c72b
refactor(markdown-codec): drop validateRunConstructExtents' own
Mearman
committed
4fd7f52
test(markdown-codec): cover non-paragraph list children interrupting a paragraph
Mearman
committed
e88b738
test(markdown-codec): cover an empty construct child defaulting to interrupting a paragraph
Mearman
committed
64ce769
refactor(markdown-codec): derive stripGlyph from the detected checkbox text
Mearman
committed
9e50991
test(markdown-codec): cover the unsafe-setext branch requiring setextRequested itself
Mearman
committed
061404a
refactor(markdown-codec): strip the checkbox glyph once, in firstBlockCheckbox itself
Mearman
committed
64a0671
test(markdown-codec): cover the unsafe-setext branches own level ceiling
Mearman
committed
879bd5d
refactor(markdown-codec): remove three dead split-result fallbacks with one helper
Mearman
committed
3697cbd
refactor(markdown-codec): return the code-indent threshold boolean directly
Mearman
committed
ebd3ee0
refactor(markdown-codec): remove leadingIndentReachesCodeThreshold's dead loop-exhausted fallback
Mearman
committed
c593a39

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