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use llvm to generate test coverage

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omicron 2025-04-05 21:46:09 +02:00
parent f1f4c93a8e
commit 2eb7b3c2f1
1 changed files with 13 additions and 1 deletions
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14
make/test.mk
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@ -1,9 +1,21 @@
.PHONY: test
CFLAGS?=-Wall -Wextra -Wpedantic -O0 -g3 -std=c23 -fno-omit-frame-pointer -fno-optimize-sibling-calls -D_POSIX_C_SOURCE=200809L -fprofile-instr-generate -fcoverage-mapping
LDFLAGS?=-fprofile-instr-generate
BUILD_DIR=build/test/
TARGET=oas-tests
SOURCES = $(filter-out src/main.c, $(shell find src/ tests/ -type f -name '*.c'))
-include make/base.mk
test: $(BUILD_DIR)$(TARGET)
$(BUILD_DIR)$(TARGET)
mkdir -p reports/coverage
LLVM_PROFILE_FILE="reports/coverage/tests.profraw" $(BUILD_DIR)$(TARGET)
llvm-profdata merge -sparse reports/coverage/tests.profraw -o reports/coverage/tests.profdata
llvm-cov show $(BUILD_DIR)$(TARGET) -instr-profile=reports/coverage/tests.profdata -format=html -output-dir=reports/coverage/html -ignore-filename-regex="tests/.*"
@echo "--"
@echo "Test coverage:"
@echo "file://$$(realpath reports/coverage/html/index.html)"
@echo "--"
clean:
rm -rf reports/coverage