Add coverage analysis of test suite.

5 files changed, 43 insertions, 2 deletions

diff --git a/ChangeLog b/ChangeLog
index b390eeda..fc5cb13a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2005-08-29  Ulrich Drepper  <[email protected]>
+
+	* configure.ac: Fix GCOV make condition generation.
+
 2005-08-28  Ulrich Drepper  <[email protected]>
 
 	* configure.ac: Add --enable-gcov option.
diff --git a/configure.ac b/configure.ac
index f721310d..547d1182 100644
--- a/configure.ac
+++ b/configure.ac
@@ -147,7 +147,7 @@ if test "$use_gcov" = yes; then
   CFLAGS="$CFLAGS -fprofile-arcs -ftest-coverage"
   LDFLAGS="$LDFLAGS -fprofile-arcs"
 fi
-AM_CONDITIONAL(GPROF, test "$use_gprof" = yes)
+AM_CONDITIONAL(GCOV, test "$use_gcov" = yes)
 
 AM_CONDITIONAL(BUILD_STATIC, [dnl
 test "$use_mudflap" = yes -o "$use_gprof" = yes -o "$use_gcov" = yes])
diff --git a/tests/ChangeLog b/tests/ChangeLog
index e32c3041..ee6c1896 100644
--- a/tests/ChangeLog
+++ b/tests/ChangeLog
@@ -1,3 +1,9 @@
+2005-08-29  Ulrich Drepper  <[email protected]>
+
+	* Makefile.am (EXTRA_DIST): Add coverage.
+	[GCOV]: Generate coverage summary after the tests ran
+	* coverage.sh: New file.
+
 2005-08-28  Ulrich Drepper  <[email protected]>
 
 	* Makefile.an [BUILD_STATIC] (libdw): Add -ldl.
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 5ffe34ce..119e11d7 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -70,7 +70,8 @@ EXTRA_DIST = run-arextract.sh run-arsymtest.sh \
 	     testfile18.bz2 testfile19.bz2 testfile19.index.bz2 \
 	     testfile20.bz2 testfile20.index.bz2 \
 	     testfile21.bz2 testfile21.index.bz2 \
-	     testfile22.bz2 testfile23.bz2 testfile24.bz2 testfile25.bz2
+	     testfile22.bz2 testfile23.bz2 testfile24.bz2 testfile25.bz2 \
+	     coverage.sh
 
 if MUDFLAP
 static_build=yes
@@ -128,3 +129,10 @@ asm_tst9_LDADD = $(libasm) $(libebl) $(libelf) $(libmudflap) -ldl
 dwflmodtest_LDADD = $(libdw) $(libebl) $(libelf) $(libmudflap) -ldl
 
 CLEANFILES = xxx *.gcno *.gcda *gconv
+
+if GCOV
+check: check-am coverage
+.PHONY: coverage
+coverage:
+	-$(srcdir)/coverage.sh
+endif
diff --git a/tests/coverage.sh b/tests/coverage.sh
new file mode 100755
index 00000000..d5fd6b63
--- /dev/null
+++ b/tests/coverage.sh
@@ -0,0 +1,23 @@
+#! /bin/bash
+
+cd ..
+
+for d in lib libasm libdw libdwfl libebl libelf src; do
+  tmp=../$d-data
+  cd $d
+  unused=0
+  for f in *.gcno; do
+    base="$(basename $f .gcno)"
+    fc="$base.c"
+    gcda="$base.gcda"
+    if [ -f "$gcda" ]; then
+      gcov -n -a "$fc" |
+      gawk "/$d.$fc/ { getline; co=gensub(/.*:(.*)% .*/, \"\\\\1\", \"g\"); co=co+0.0; li=\$4+0; printf \"%-35s  %6.2f %5d\n\", \"$d/$fc\", co, li } " >> $tmp
+    else
+      unused=$(($unused + 1))
+    fi
+  done
+  gawk "{ copct=\$2; co=(\$3*copct)/100; toco+=(co+0); toli += (\$3+0); } END { printf \"%-12s %6.2f%% covered       unused files: %3d\n\", \"$d\", (toco*100)/toli, \"$unused\" }" $tmp
+  rm -f $tmp
+  cd ..
+done