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test(analog): mos_psp103_gates mutation gap closed, 76 of 94 killed (Closes #12187) - #12206
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The census of tri mutate spec on specs/analog/mos_psp103_gates.t27 (94 mutants, 75 killed, 10 survived, 9 hung) left two survivors classed as test gaps. Two tests are appended at the end of the spec, so no function line moves: - line 233 (k < GT_NV to <= in gt_tg_worst): a cell with the PMOS table all zero has a resistance that rises to the end of the sweep, so the 28th point (1.45 V) would decide it; the test asserts the worst equals the 27th point's resistance. Read by hand, not run as a mutant. - line 294 (want >= 1e-9 to > in gt_hold_vsb): no pinned reference word is exactly 1000 pA, so the line is accepted as equivalent on the pinned data; the second test counts the words and pins that fact. docs/analog/mutation-accepted-mos_psp103_gates.txt lists the 8 equivalent survivors, line 294 and the 9 hung mutants, with a reason each. The note docs/analog/mutation-mos_psp103_gates-2026-10-25.md has the table and the not-done list: the mutation gate was not run and the seal was not saved. tri test specs/analog/mos_psp103_gates.t27: 11 tests, 11 pass, 0 vacuous. Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
This was referenced Oct 25, 2026
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This was referenced Oct 25, 2026
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Closes #12187. Part of epic #10486 (see it, not closing it).
What
specs/analog/mos_psp103_gates.t27gets new tests for the test gap found by the census of #12116, an accepted-mutants file for the mutants no test can or must kill, and a note with the measured numbers.Measured
tri mutate spec --acceptedon this tree (T27 OS pane, jobs 3, timeout 30, master-built t27c, base1c783b0b31, 10:50:30-10:55:27 +07): 94 mutants, 76 killed (all by a failing test), 9 survived, 9 hung, 0 unviable; 18 accepted, 0 accepted lines now killed; "Gate passed". Census before: 75 / 10 / 9 / 0 on the pre-audit tree (base035df5ce60).The seal was re-saved by
tri seals changedwith the master-built t27c; no importer seal moved.Not claimed
tri coverage --strictwas not run locally; CI runs it.Files: the spec (+77 lines of tests),
docs/analog/mutation-accepted-mos_psp103_gates.txt,docs/analog/mutation-mos_psp103_gates-2026-10-25.md, the seal.🤖 Generated with Claude Code