1 files changed, 113 insertions, 0 deletions
diff --git a/subex/main_test.go b/subex/main_test.go
index 0b4ee1b..78a62c4 100644
--- a/subex/main_test.go
+++ b/subex/main_test.go
@@ -69,6 +69,119 @@ func TestSubexMain(t *testing.T) {
 				walk.StringValue("ello"),
 			},
 		},
+		{
+			subex: "@(..$a`$a$a`{-0})@",
+			input: []walk.Value {
+				walk.ArrayValue {
+					walk.ArrayElement {
+						Index: 0,
+						Value: walk.NullValue{},
+					},
+					walk.ArrayElement {
+						Index: 0,
+						Value: walk.BoolValue(true),
+					},
+					walk.ArrayElement {
+						Index: 0,
+						Value: walk.NumberValue(5.4),
+					},
+					walk.ArrayElement {
+						Index: 5,
+						Value: walk.StringValue("hello"),
+					},
+					walk.ArrayElement {
+						Index: 3,
+						Value: walk.ArrayValue {
+							walk.ArrayElement {
+								Index: 0,
+								Value: walk.NullValue{},
+							},
+						},
+					},
+					walk.ArrayElement {
+						Index: 1,
+						Value: walk.MapValue {
+							walk.MapElement {
+								Key: "key",
+								Value: walk.StringValue("value"),
+							},
+						},
+					},
+				},
+			},
+			expected: []walk.Value {
+				walk.ArrayValue {
+					walk.ArrayElement {
+						Index: 0,
+						Value: walk.NullValue{},
+					},
+					walk.ArrayElement {
+						Index: 0,
+						Value: walk.NullValue{},
+					},
+					walk.ArrayElement {
+						Index: 0,
+						Value: walk.BoolValue(true),
+					},
+					walk.ArrayElement {
+						Index: 0,
+						Value: walk.BoolValue(true),
+					},
+					walk.ArrayElement {
+						Index: 0,
+						Value: walk.NumberValue(5.4),
+					},
+					walk.ArrayElement {
+						Index: 0,
+						Value: walk.NumberValue(5.4),
+					},
+					walk.ArrayElement {
+						Index: 5,
+						Value: walk.StringValue("hello"),
+					},
+					walk.ArrayElement {
+						Index: 5,
+						Value: walk.StringValue("hello"),
+					},
+					walk.ArrayElement {
+						Index: 3,
+						Value: walk.ArrayValue {
+							walk.ArrayElement {
+								Index: 0,
+								Value: walk.NullValue{},
+							},
+						},
+					},
+					walk.ArrayElement {
+						Index: 3,
+						Value: walk.ArrayValue {
+							walk.ArrayElement {
+								Index: 0,
+								Value: walk.NullValue{},
+							},
+						},
+					},
+					walk.ArrayElement {
+						Index: 1,
+						Value: walk.MapValue {
+							walk.MapElement {
+								Key: "key",
+								Value: walk.StringValue("value"),
+							},
+						},
+					},
+					walk.ArrayElement {
+						Index: 1,
+						Value: walk.MapValue {
+							walk.MapElement {
+								Key: "key",
+								Value: walk.StringValue("value"),
+							},
+						},
+					},
+				},
+			},
+		},
 	}
 
 	for _, test := range tests {