diff --git a/lib/sl/test_sl.c b/lib/sl/test_sl.c
index f88060f81..afdb75d10 100644
--- a/lib/sl/test_sl.c
+++ b/lib/sl/test_sl.c
@@ -49,6 +49,10 @@ struct {
     { 1, "foo   ", 1, { "foo" } },
     { 1, " foo  ", 1, { "foo" } },
     { 1, " foo  bar", 2, { "foo", "bar" } },
+    { 1, "foo\\ bar", 1, { "foo bar" } },
+    { 1, "\"foo bar\"", 1, { "foo bar" } },
+    { 1, "\"foo\\ bar\"", 1, { "foo bar" } },
+    { 1, "\"foo\\\" bar\"", 1, { "foo\" bar" } },
     { 1, "\"\"f\"\"oo\"\"", 1, { "foo" } },
     { 1, "\"foobar\"baz", 1, { "foobarbaz" }},
     { 1, "foo\tbar baz", 3, { "foo", "bar", "baz" }},