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Commit4bb5a25

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Add lcov --initial
By just running lcov on the produced .gcda data files, we don't accountfor source files that are not touched by tests at all. To fix that, runlcov --initial to create a base line info file with all zero counters,and merge that with the actual counters when creating the final report.Reviewed-by: Michael Paquier <michael.paquier@gmail.com>
1 parent22d9764 commit4bb5a25

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2 files changed

+20
-7
lines changed

2 files changed

+20
-7
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‎.gitignore

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -21,7 +21,7 @@ objfiles.txt
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*.gcda
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*.gcov
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*.gcov.out
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lcov.info
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lcov*.info
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coverage/
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coverage-html-stamp
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*.vcproj

‎src/Makefile.global.in

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Original file line numberDiff line numberDiff line change
@@ -869,8 +869,13 @@ endif # enable_nls
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#gcov from foo.gcda (by "make coverage")
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# foo.c.gcov.out stdout captured when foo.c.gcov is created, mildly
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#interesting
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# lcov.infolcov tracefile, built from gcda files in one directory,
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# lcov_test.info
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#lcov tracefile, built from gcda files in one directory,
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#later collected by "make coverage-html"
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# lcov_base.info
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#tracefile for zero counters for every file, so that
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#even files that are not touched by tests are counted
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#for the overall coverage rate
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ifeq ($(enable_coverage), yes)
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@@ -888,15 +893,23 @@ coverage: $(local_gcda_files:.gcda=.c.gcov)
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.PHONY: coverage-html
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coverage-html: coverage-html-stamp
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coverage-html-stamp:lcov.info
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coverage-html-stamp:lcov_base.info lcov_test.info
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rm -rf coverage
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$(GENHTML) --show-details --legend --output-directory=coverage --title=PostgreSQL --num-spaces=4 --prefix=$(abs_top_srcdir)$<
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$(GENHTML) --show-details --legend --output-directory=coverage --title=PostgreSQL --num-spaces=4 --prefix=$(abs_top_srcdir)$^
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touch$@
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LCOV += --gcov-tool$(GCOV)
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LCOVFLAGS = --no-external
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all_gcno_files =$(shell find . -name '*.gcno' -print)
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lcov_base.info:$(all_gcno_files)
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$(LCOV)$(LCOVFLAGS) -c -i -d. -o$@
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all_gcda_files =$(shell find . -name '*.gcda' -print)
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lcov.info:$(all_gcda_files)
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$(LCOV)-d. -c -o$@$(LCOVFLAGS) --gcov-tool$(GCOV) --no-external
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lcov_test.info:$(all_gcda_files)
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$(LCOV)$(LCOVFLAGS) -c -d. -o$@
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# hook for clean-up
@@ -905,7 +918,7 @@ clean distclean maintainer-clean: clean-coverage
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.PHONY: clean-coverage
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clean-coverage:
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rm -rf coverage coverage-html-stamp
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rm -f*.gcda*.gcno lcov.info*.gcov .*.gcov*.gcov.out
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rm -f*.gcda*.gcno lcov*.info*.gcov .*.gcov*.gcov.out
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# User-callable target to reset counts between test runs

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