Init

cmd/patch/tests/testpatch

@@ -0,0 +1,51 @@
+#!/bin/sh
+
+while (true)
+do
+	generations=`random_numbers 1 1 8`
+	lines=`random_numbers 1 10 5000`
+
+
+	max_mutation=`expr 1 \* $lines`
+	max_mutation=`expr $max_mutation \/ 5`
+	mutations=`random_numbers 1 1 $max_mutation`
+
+	genfile $lines > original
+	cp original save_orig
+
+	echo testing lines=$lines  mutations=$max_mutation  generations=$generations
+	rm -f patch_file
+	while [ $generations -ne 0 ]; do
+		ptype=`random_numbers 1 0 99999`
+		ptype=`expr $ptype \% 3`
+		if [ $ptype -eq 0 ]; then
+			ptype="-c"
+		elif [ $ptype -eq 1 ]; then
+			ptype="  "
+		else
+			ptype="-e"
+		fi
+		echo "Creating generation $generations of type ($ptype)..."
+		mutatefile $max_mutation $lines original > mutant
+		echo "Index:original" >> patch_file
+		diff $ptype original mutant >> patch_file
+		mv mutant original
+		generations=`expr $generations - 1`
+	done
+	cp original expected
+	cp save_orig original
+
+	echo Patching file...
+	../patch original < patch_file
+	if [ $? -ne 0 ]; then
+		echo Patch returned $?
+		diff original expected > failure
+		exit
+	fi
+
+	diff original expected > failure
+	if [ $? -ne 0 ]; then
+		echo diff returned $?
+		exit
+	fi
+done