BFE EngineeringandClaude Opus 4.8
35829eaccb
freshness.c (ADR-0004 freshness-contract engine) is pure logic via produce/render callbacks — no hardware seam needed, the callbacks are the seam. Host harness reaches 100% MC/DC (66/66 conditions, 100% lines, 27 checks) by driving warden_fresh_decide directly + the bind/tick/invalidate/min-budget state machine through fakes, with -DFRESH_MAX=2 so the table-full and unused/hidden-slot arms are reachable. Directly serves future-features-2's "never a stale number in the UI" requirement. The CI mcdc job now enforces relays + freshness. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017wB8KB3MMQztRDXCMCkPrf
41 lines
1.5 KiB
Makefile
41 lines
1.5 KiB
Makefile
# MC/DC unit harness for drivers/freshness/freshness.c (the UI stale-number guard).
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#
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# make check — build, run, FAIL unless freshness.c hits 100% MC/DC + all checks.
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# make report — per-condition gcov annotation.
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# make clean
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#
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# FRESH_MAX is forced to 2 so the "binding table full -> NULL" path is reachable
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# with two binds (the production default is 96). Requires gcc >= 14.
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CC ?= gcc
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GCOV ?= gcov
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CFLAGS := -O0 -g -Wall -Wextra -I.. -DFRESH_MAX=2
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COVFLAGS := --coverage -fcondition-coverage
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BUILD := build
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.PHONY: check report clean
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.DEFAULT_GOAL := check
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$(BUILD):
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@mkdir -p $(BUILD)
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$(BUILD)/test: test_freshness.c ../freshness.c ../freshness.h | $(BUILD)
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@$(CC) $(CFLAGS) $(COVFLAGS) -c ../freshness.c -o $(BUILD)/freshness.o
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@$(CC) $(CFLAGS) -c test_freshness.c -o $(BUILD)/test_freshness.o
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@$(CC) $(COVFLAGS) $(BUILD)/freshness.o $(BUILD)/test_freshness.o -o $(BUILD)/test
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check: $(BUILD)/test
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@echo "== running freshness MC/DC harness =="
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@rm -f $(BUILD)/freshness.gcda
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@$(BUILD)/test; echo $$? > $(BUILD)/test.rc
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@echo
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@echo "== MC/DC (condition) coverage of freshness.c =="
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@$(GCOV) --conditions --branch-probabilities -o $(BUILD) ../freshness.c >$(BUILD)/gcov.log 2>&1 || true
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@mv -f *.gcov $(BUILD)/ 2>/dev/null || true
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@bash enforce-mcdc.sh $(BUILD)/gcov.log $(BUILD)/freshness.c.gcov $(BUILD)/test.rc
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report: check
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@grep -nE "condition.*not covered|conditions covered" $(BUILD)/freshness.c.gcov || true
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clean:
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@rm -rf $(BUILD)
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