diff --git a/pkg/yqlib/doc/operators/filter.md b/pkg/yqlib/doc/operators/filter.md
new file mode 100644
index 00000000..8b137891
--- /dev/null
+++ b/pkg/yqlib/doc/operators/filter.md
@@ -0,0 +1 @@
+
diff --git a/pkg/yqlib/operator_filter_test.go b/pkg/yqlib/operator_filter_test.go
new file mode 100644
index 00000000..00b0d2f0
--- /dev/null
+++ b/pkg/yqlib/operator_filter_test.go
@@ -0,0 +1,53 @@
+package yqlib
+
+import (
+	"testing"
+)
+
+var filterOperatorScenarios = []expressionScenario{
+	{
+		skipDoc:    true,
+		document:   `[1,2,3]`,
+		document2:  `[1, 2]`,
+		expression: `filter(. < 3)`,
+		expected: []string{
+			"D0, P[], (!!seq)::[2, 3, 4]\n",
+			"D0, P[], (!!seq)::[1, 2]\n",
+		},
+	},
+	/*
+	{
+		description: "Map array",
+		document:    `[1,2,3]`,
+		expression:  `map(. + 1)`,
+		expected: []string{
+			"D0, P[], (!!seq)::[2, 3, 4]\n",
+		},
+	},
+	{
+		skipDoc:    true,
+		document:   `{a: 1, b: 2, c: 3}`,
+		document2:  `{x: 10, y: 20, z: 30}`,
+		expression: `map_values(. + 1)`,
+		expected: []string{
+			"D0, P[], (doc)::{a: 2, b: 3, c: 4}\n",
+			"D0, P[], (doc)::{x: 11, y: 21, z: 31}\n",
+		},
+	},
+	{
+		description: "Map object values",
+		document:    `{a: 1, b: 2, c: 3}`,
+		expression:  `map_values(. + 1)`,
+		expected: []string{
+			"D0, P[], (doc)::{a: 2, b: 3, c: 4}\n",
+		},
+	},
+	*/
+}
+
+func TestFilterOperatorScenarios(t *testing.T) {
+	for _, tt := range filterOperatorScenarios {
+		testScenario(t, &tt)
+	}
+	documentOperatorScenarios(t, "filter", filterOperatorScenarios)
+}