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Add code coverage using lcov and gcov
To generate the code coverage report you need gcov and lcov installed and then execute ./configure --enable-code-coverage make check-code-coverage Writing directory view page. Overall coverage rate: lines......: 76.5% (10519 of 13759 lines) functions..: 85.5% (491 of 574 functions) branches...: 57.5% (7040 of 12250 branches) file:///home/user/asn1c/asn1c-0.9.28-coverage/index.html Open the index.html with a web browser
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# /skeletons/tests/ | ||
/skeletons/tests/check-* | ||
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#code coverage | ||
*.gcno | ||
*.gcda |
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@CODE_COVERAGE_RULES@ | ||
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SUBDIRS = . tests | ||
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@CODE_COVERAGE_RULES@ | ||
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SUBDIRS = check-src | ||
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@CODE_COVERAGE_RULES@ | ||
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AM_CFLAGS = @ADD_CFLAGS@ | ||
AM_CPPFLAGS = \ | ||
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# =========================================================================== | ||
# http://www.gnu.org/software/autoconf-archive/ax_code_coverage.html | ||
# =========================================================================== | ||
# | ||
# SYNOPSIS | ||
# | ||
# AX_CODE_COVERAGE() | ||
# | ||
# DESCRIPTION | ||
# | ||
# Defines CODE_COVERAGE_CPPFLAGS, CODE_COVERAGE_CFLAGS, | ||
# CODE_COVERAGE_CXXFLAGS and CODE_COVERAGE_LDFLAGS which should be | ||
# included in the CPPFLAGS, CFLAGS CXXFLAGS and LIBS/LDFLAGS variables of | ||
# every build target (program or library) which should be built with code | ||
# coverage support. Also defines CODE_COVERAGE_RULES which should be | ||
# substituted in your Makefile; and $enable_code_coverage which can be | ||
# used in subsequent configure output. CODE_COVERAGE_ENABLED is defined | ||
# and substituted, and corresponds to the value of the | ||
# --enable-code-coverage option, which defaults to being disabled. | ||
# | ||
# Test also for gcov program and create GCOV variable that could be | ||
# substituted. | ||
# | ||
# Note that all optimisation flags in CFLAGS must be disabled when code | ||
# coverage is enabled. | ||
# | ||
# Usage example: | ||
# | ||
# configure.ac: | ||
# | ||
# AX_CODE_COVERAGE | ||
# | ||
# Makefile.am: | ||
# | ||
# @CODE_COVERAGE_RULES@ | ||
# my_program_LIBS = ... $(CODE_COVERAGE_LDFLAGS) ... | ||
# my_program_CPPFLAGS = ... $(CODE_COVERAGE_CPPFLAGS) ... | ||
# my_program_CFLAGS = ... $(CODE_COVERAGE_CFLAGS) ... | ||
# my_program_CXXFLAGS = ... $(CODE_COVERAGE_CXXFLAGS) ... | ||
# | ||
# This results in a "check-code-coverage" rule being added to any | ||
# Makefile.am which includes "@CODE_COVERAGE_RULES@" (assuming the module | ||
# has been configured with --enable-code-coverage). Running `make | ||
# check-code-coverage` in that directory will run the module's test suite | ||
# (`make check`) and build a code coverage report detailing the code which | ||
# was touched, then print the URI for the report. | ||
# | ||
# This code was derived from Makefile.decl in GLib, originally licenced | ||
# under LGPLv2.1+. | ||
# | ||
# LICENSE | ||
# | ||
# Copyright (c) 2012, 2016 Philip Withnall | ||
# Copyright (c) 2012 Xan Lopez | ||
# Copyright (c) 2012 Christian Persch | ||
# Copyright (c) 2012 Paolo Borelli | ||
# Copyright (c) 2012 Dan Winship | ||
# Copyright (c) 2015 Bastien ROUCARIES | ||
# | ||
# This library is free software; you can redistribute it and/or modify it | ||
# under the terms of the GNU Lesser General Public License as published by | ||
# the Free Software Foundation; either version 2.1 of the License, or (at | ||
# your option) any later version. | ||
# | ||
# This library is distributed in the hope that it will be useful, but | ||
# WITHOUT ANY WARRANTY; without even the implied warranty of | ||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser | ||
# General Public License for more details. | ||
# | ||
# You should have received a copy of the GNU Lesser General Public License | ||
# along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
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#serial 16 | ||
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AC_DEFUN([AX_CODE_COVERAGE],[ | ||
dnl Check for --enable-code-coverage | ||
AC_REQUIRE([AC_PROG_SED]) | ||
# allow to override gcov location | ||
AC_ARG_WITH([gcov], | ||
[AS_HELP_STRING([--with-gcov[=GCOV]], [use given GCOV for coverage (GCOV=gcov).])], | ||
[_AX_CODE_COVERAGE_GCOV_PROG_WITH=$with_gcov], | ||
[_AX_CODE_COVERAGE_GCOV_PROG_WITH=gcov]) | ||
AC_MSG_CHECKING([whether to build with code coverage support]) | ||
AC_ARG_ENABLE([code-coverage], | ||
AS_HELP_STRING([--enable-code-coverage], | ||
[Whether to enable code coverage support]),, | ||
enable_code_coverage=no) | ||
AM_CONDITIONAL([CODE_COVERAGE_ENABLED], [test x$enable_code_coverage = xyes]) | ||
AC_SUBST([CODE_COVERAGE_ENABLED], [$enable_code_coverage]) | ||
AC_MSG_RESULT($enable_code_coverage) | ||
AS_IF([ test "$enable_code_coverage" = "yes" ], [ | ||
# check for gcov | ||
AC_CHECK_TOOL([GCOV], | ||
[$_AX_CODE_COVERAGE_GCOV_PROG_WITH], | ||
[:]) | ||
AS_IF([test "X$GCOV" = "X:"], | ||
[AC_MSG_ERROR([gcov is needed to do coverage])]) | ||
AC_SUBST([GCOV]) | ||
dnl Check if gcc is being used | ||
AS_IF([ test "$GCC" = "no" ], [ | ||
AC_MSG_ERROR([not compiling with gcc, which is required for gcov code coverage]) | ||
]) | ||
# List of supported lcov versions. | ||
lcov_version_list="1.6 1.7 1.8 1.9 1.10 1.11 1.12" | ||
AC_CHECK_PROG([LCOV], [lcov], [lcov]) | ||
AC_CHECK_PROG([GENHTML], [genhtml], [genhtml]) | ||
AS_IF([ test "$LCOV" ], [ | ||
AC_CACHE_CHECK([for lcov version], ax_cv_lcov_version, [ | ||
ax_cv_lcov_version=invalid | ||
lcov_version=`$LCOV -v 2>/dev/null | $SED -e 's/^.* //'` | ||
for lcov_check_version in $lcov_version_list; do | ||
if test "$lcov_version" = "$lcov_check_version"; then | ||
ax_cv_lcov_version="$lcov_check_version (ok)" | ||
fi | ||
done | ||
]) | ||
], [ | ||
lcov_msg="To enable code coverage reporting you must have one of the following lcov versions installed: $lcov_version_list" | ||
AC_MSG_ERROR([$lcov_msg]) | ||
]) | ||
case $ax_cv_lcov_version in | ||
""|invalid[)] | ||
lcov_msg="You must have one of the following versions of lcov: $lcov_version_list (found: $lcov_version)." | ||
AC_MSG_ERROR([$lcov_msg]) | ||
LCOV="exit 0;" | ||
;; | ||
esac | ||
AS_IF([ test -z "$GENHTML" ], [ | ||
AC_MSG_ERROR([Could not find genhtml from the lcov package]) | ||
]) | ||
dnl Build the code coverage flags | ||
CODE_COVERAGE_CPPFLAGS="-DNDEBUG" | ||
CODE_COVERAGE_CFLAGS="-O0 -g -fprofile-arcs -ftest-coverage" | ||
CODE_COVERAGE_CXXFLAGS="-O0 -g -fprofile-arcs -ftest-coverage" | ||
CODE_COVERAGE_LDFLAGS="-lgcov" | ||
AC_SUBST([CODE_COVERAGE_CPPFLAGS]) | ||
AC_SUBST([CODE_COVERAGE_CFLAGS]) | ||
AC_SUBST([CODE_COVERAGE_CXXFLAGS]) | ||
AC_SUBST([CODE_COVERAGE_LDFLAGS]) | ||
]) | ||
[CODE_COVERAGE_RULES=' | ||
# Code coverage | ||
# | ||
# Optional: | ||
# - CODE_COVERAGE_DIRECTORY: Top-level directory for code coverage reporting. | ||
# Multiple directories may be specified, separated by whitespace. | ||
# (Default: $(top_builddir)) | ||
# - CODE_COVERAGE_OUTPUT_FILE: Filename and path for the .info file generated | ||
# by lcov for code coverage. (Default: | ||
# $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage.info) | ||
# - CODE_COVERAGE_OUTPUT_DIRECTORY: Directory for generated code coverage | ||
# reports to be created. (Default: | ||
# $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage) | ||
# - CODE_COVERAGE_BRANCH_COVERAGE: Set to 1 to enforce branch coverage, | ||
# set to 0 to disable it and leave empty to stay with the default. | ||
# (Default: empty) | ||
# - CODE_COVERAGE_LCOV_SHOPTS_DEFAULT: Extra options shared between both lcov | ||
# instances. (Default: based on $CODE_COVERAGE_BRANCH_COVERAGE) | ||
# - CODE_COVERAGE_LCOV_SHOPTS: Extra options to shared between both lcov | ||
# instances. (Default: $CODE_COVERAGE_LCOV_SHOPTS_DEFAULT) | ||
# - CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH: --gcov-tool pathtogcov | ||
# - CODE_COVERAGE_LCOV_OPTIONS_DEFAULT: Extra options to pass to the | ||
# collecting lcov instance. (Default: $CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH) | ||
# - CODE_COVERAGE_LCOV_OPTIONS: Extra options to pass to the collecting lcov | ||
# instance. (Default: $CODE_COVERAGE_LCOV_OPTIONS_DEFAULT) | ||
# - CODE_COVERAGE_LCOV_RMOPTS_DEFAULT: Extra options to pass to the filtering | ||
# lcov instance. (Default: empty) | ||
# - CODE_COVERAGE_LCOV_RMOPTS: Extra options to pass to the filtering lcov | ||
# instance. (Default: $CODE_COVERAGE_LCOV_RMOPTS_DEFAULT) | ||
# - CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT: Extra options to pass to the | ||
# genhtml instance. (Default: based on $CODE_COVERAGE_BRANCH_COVERAGE) | ||
# - CODE_COVERAGE_GENHTML_OPTIONS: Extra options to pass to the genhtml | ||
# instance. (Default: $CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT) | ||
# - CODE_COVERAGE_IGNORE_PATTERN: Extra glob pattern of files to ignore | ||
# | ||
# The generated report will be titled using the $(PACKAGE_NAME) and | ||
# $(PACKAGE_VERSION). In order to add the current git hash to the title, | ||
# use the git-version-gen script, available online. | ||
# Optional variables | ||
CODE_COVERAGE_DIRECTORY ?= $(top_builddir) | ||
CODE_COVERAGE_OUTPUT_FILE ?= $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage.info | ||
CODE_COVERAGE_OUTPUT_DIRECTORY ?= $(PACKAGE_NAME)-$(PACKAGE_VERSION)-coverage | ||
CODE_COVERAGE_BRANCH_COVERAGE ?= | ||
CODE_COVERAGE_LCOV_SHOPTS_DEFAULT ?= $(if $(CODE_COVERAGE_BRANCH_COVERAGE),\ | ||
--rc lcov_branch_coverage=$(CODE_COVERAGE_BRANCH_COVERAGE)) | ||
CODE_COVERAGE_LCOV_SHOPTS ?= $(CODE_COVERAGE_LCOV_SHOPTS_DEFAULT) | ||
CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH ?= --gcov-tool "$(GCOV)" | ||
CODE_COVERAGE_LCOV_OPTIONS_DEFAULT ?= $(CODE_COVERAGE_LCOV_OPTIONS_GCOVPATH) | ||
CODE_COVERAGE_LCOV_OPTIONS ?= $(CODE_COVERAGE_LCOV_OPTIONS_DEFAULT) | ||
CODE_COVERAGE_LCOV_RMOPTS_DEFAULT ?= | ||
CODE_COVERAGE_LCOV_RMOPTS ?= $(CODE_COVERAGE_LCOV_RMOPTS_DEFAULT) | ||
CODE_COVERAGE_GENHTML_OPTIONS_DEFAULT ?=\ | ||
$(if $(CODE_COVERAGE_BRANCH_COVERAGE),\ | ||
--rc genhtml_branch_coverage=$(CODE_COVERAGE_BRANCH_COVERAGE)) | ||
CODE_COVERAGE_GENHTML_OPTIONS ?= $(CODE_COVERAGE_GENHTML_OPTIONS_DEFAULTS) | ||
CODE_COVERAGE_IGNORE_PATTERN ?= | ||
code_coverage_v_lcov_cap = $(code_coverage_v_lcov_cap_$(V)) | ||
code_coverage_v_lcov_cap_ = $(code_coverage_v_lcov_cap_$(AM_DEFAULT_VERBOSITY)) | ||
code_coverage_v_lcov_cap_0 = @echo " LCOV --capture"\ | ||
$(CODE_COVERAGE_OUTPUT_FILE); | ||
code_coverage_v_lcov_ign = $(code_coverage_v_lcov_ign_$(V)) | ||
code_coverage_v_lcov_ign_ = $(code_coverage_v_lcov_ign_$(AM_DEFAULT_VERBOSITY)) | ||
code_coverage_v_lcov_ign_0 = @echo " LCOV --remove /tmp/*"\ | ||
$(CODE_COVERAGE_IGNORE_PATTERN); | ||
code_coverage_v_genhtml = $(code_coverage_v_genhtml_$(V)) | ||
code_coverage_v_genhtml_ = $(code_coverage_v_genhtml_$(AM_DEFAULT_VERBOSITY)) | ||
code_coverage_v_genhtml_0 = @echo " GEN " $(CODE_COVERAGE_OUTPUT_DIRECTORY); | ||
code_coverage_quiet = $(code_coverage_quiet_$(V)) | ||
code_coverage_quiet_ = $(code_coverage_quiet_$(AM_DEFAULT_VERBOSITY)) | ||
code_coverage_quiet_0 = --quiet | ||
# sanitizes the test-name: replaces with underscores: dashes and dots | ||
code_coverage_sanitize = $(subst -,_,$(subst .,_,$(1))) | ||
# Use recursive makes in order to ignore errors during check | ||
check-code-coverage: | ||
ifeq ($(CODE_COVERAGE_ENABLED),yes) | ||
-$(A''M_V_at)$(MAKE) $(AM_MAKEFLAGS) -k check | ||
$(A''M_V_at)$(MAKE) $(AM_MAKEFLAGS) code-coverage-capture | ||
else | ||
@echo "Need to reconfigure with --enable-code-coverage" | ||
endif | ||
# Capture code coverage data | ||
code-coverage-capture: code-coverage-capture-hook | ||
ifeq ($(CODE_COVERAGE_ENABLED),yes) | ||
$(code_coverage_v_lcov_cap)$(LCOV) $(code_coverage_quiet) $(addprefix --directory ,$(CODE_COVERAGE_DIRECTORY)) --capture --output-file "$(CODE_COVERAGE_OUTPUT_FILE).tmp" --test-name "$(call code_coverage_sanitize,$(PACKAGE_NAME)-$(PACKAGE_VERSION))" --no-checksum --compat-libtool $(CODE_COVERAGE_LCOV_SHOPTS) $(CODE_COVERAGE_LCOV_OPTIONS) | ||
$(code_coverage_v_lcov_ign)$(LCOV) $(code_coverage_quiet) $(addprefix --directory ,$(CODE_COVERAGE_DIRECTORY)) --remove "$(CODE_COVERAGE_OUTPUT_FILE).tmp" "/tmp/*" $(CODE_COVERAGE_IGNORE_PATTERN) --output-file "$(CODE_COVERAGE_OUTPUT_FILE)" $(CODE_COVERAGE_LCOV_SHOPTS) $(CODE_COVERAGE_LCOV_RMOPTS) | ||
-@rm -f $(CODE_COVERAGE_OUTPUT_FILE).tmp | ||
$(code_coverage_v_genhtml)LANG=C $(GENHTML) $(code_coverage_quiet) $(addprefix --prefix ,$(CODE_COVERAGE_DIRECTORY)) --output-directory "$(CODE_COVERAGE_OUTPUT_DIRECTORY)" --title "$(PACKAGE_NAME)-$(PACKAGE_VERSION) Code Coverage" --legend --show-details "$(CODE_COVERAGE_OUTPUT_FILE)" $(CODE_COVERAGE_GENHTML_OPTIONS) | ||
@echo "file://$(abs_builddir)/$(CODE_COVERAGE_OUTPUT_DIRECTORY)/index.html" | ||
else | ||
@echo "Need to reconfigure with --enable-code-coverage" | ||
endif | ||
# Hook rule executed before code-coverage-capture, overridable by the user | ||
code-coverage-capture-hook: | ||
ifeq ($(CODE_COVERAGE_ENABLED),yes) | ||
clean: code-coverage-clean | ||
distclean: code-coverage-clean | ||
code-coverage-clean: | ||
-$(LCOV) --directory $(top_builddir) -z | ||
-rm -rf $(CODE_COVERAGE_OUTPUT_FILE) $(CODE_COVERAGE_OUTPUT_FILE).tmp $(CODE_COVERAGE_OUTPUT_DIRECTORY) | ||
-find . \( -name "*.gcda" -o -name "*.gcno" -o -name "*.gcov" \) -delete | ||
endif | ||
GITIGNOREFILES ?= | ||
GITIGNOREFILES += $(CODE_COVERAGE_OUTPUT_FILE) $(CODE_COVERAGE_OUTPUT_DIRECTORY) | ||
A''M_DISTCHECK_CONFIGURE_FLAGS ?= | ||
A''M_DISTCHECK_CONFIGURE_FLAGS += --disable-code-coverage | ||
.PHONY: check-code-coverage code-coverage-capture code-coverage-capture-hook code-coverage-clean | ||
'] | ||
AC_SUBST([CODE_COVERAGE_RULES]) | ||
m4_ifdef([_AM_SUBST_NOTMAKE], [_AM_SUBST_NOTMAKE([CODE_COVERAGE_RULES])]) | ||
]) |
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@CODE_COVERAGE_RULES@ | ||
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check_PROGRAMS = \ | ||
check-ber_tlv_tag \ | ||
check-length \ | ||
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