valgrind: run the tests

vlib/v/tests/valgrind/valgrind_test.v

@@ -8,6 +8,8 @@ fn test_all() {
 	}
 	exe := os.executable()
 	dir := os.dir(exe)
+	vexe := os.dir(os.dir(os.dir(os.dir(dir)))) + '/v'
+	println(vexe)
 	println(dir)
 	println(111)
 	// files := os.ls('$dir/vlib/v/tests/valgrind/') or {
@@ -15,5 +17,25 @@ fn test_all() {
 		panic(err)
 	}
 	tests := files.filter(it.ends_with('.vv'))
+	for test in tests {
+		os.system('cp $dir/$test x.v') // cant run .vv file
+		println(test)
+		res := os.exec('$vexe x.v') or {
+			println('valgrind $test failed')
+			assert false
+			continue
+		}
+		println(res.output)
+		os.exec('valgrind ./x') or {
+			println('valgrind $test failed')
+			assert false
+			continue
+		}
+		println(res.output)
+		if res.exit_code != 0 {
+			println('valgrind $test failed')
+			assert false
+		}
+	}
 	println(tests)
 }