func TestTypeResolver_AdditionalProperties(t *testing.T) {
	_, resolver, err := basicTaskListResolver(t)
	if assert.NoError(t, err) {

		// primitives as additional properties
		for _, val := range schTypeVals {
			sch := new(spec.Schema)

			sch.Typed(val.Type, val.Format)
			parent := new(spec.Schema)
			parent.AdditionalProperties = new(spec.SchemaOrBool)
			parent.AdditionalProperties.Schema = sch

			rt, err := resolver.ResolveSchema(parent, true, false)
			if assert.NoError(t, err) {
				assert.True(t, rt.IsMap)
				assert.False(t, rt.IsComplexObject)
				assert.Equal(t, "map[string]"+val.Expected, rt.GoType)
				assert.Equal(t, "object", rt.SwaggerType)
			}
		}

		// array of primitives as additional properties
		for _, val := range schTypeVals {
			sch := new(spec.Schema)

			sch.Typed(val.Type, val.Format)
			parent := new(spec.Schema)
			parent.AdditionalProperties = new(spec.SchemaOrBool)
			parent.AdditionalProperties.Schema = new(spec.Schema).CollectionOf(*sch)

			rt, err := resolver.ResolveSchema(parent, true, false)
			if assert.NoError(t, err) {
				assert.True(t, rt.IsMap)
				assert.False(t, rt.IsComplexObject)
				assert.Equal(t, "map[string][]"+val.Expected, rt.GoType)
				assert.Equal(t, "object", rt.SwaggerType)
			}
		}

		// refs as additional properties
		for _, val := range schRefVals {
			sch := new(spec.Schema)
			sch.Ref, _ = spec.NewRef("#/definitions/" + val.Type)
			parent := new(spec.Schema)
			parent.AdditionalProperties = new(spec.SchemaOrBool)
			parent.AdditionalProperties.Schema = sch

			rt, err := resolver.ResolveSchema(parent, true, true)
			if assert.NoError(t, err) {
				assert.True(t, rt.IsMap)
				assert.False(t, rt.IsComplexObject)
				assert.Equal(t, "map[string]"+val.Expected, rt.GoType)
				assert.Equal(t, "object", rt.SwaggerType)
			}
		}

		// when additional properties and properties present, it's a complex object

		// primitives as additional properties
		for _, val := range schTypeVals {
			sch := new(spec.Schema)

			sch.Typed(val.Type, val.Format)
			parent := new(spec.Schema)
			parent.Properties = make(map[string]spec.Schema)
			parent.Properties["id"] = *spec.Int32Property()
			parent.AdditionalProperties = new(spec.SchemaOrBool)
			parent.AdditionalProperties.Schema = sch

			rt, err := resolver.ResolveSchema(parent, true, true)
			if assert.NoError(t, err) {
				assert.True(t, rt.IsComplexObject)
				assert.False(t, rt.IsMap)
				assert.Equal(t, "map[string]"+val.Expected, rt.GoType)
				assert.Equal(t, "object", rt.SwaggerType)
			}
		}

		// array of primitives as additional properties
		for _, val := range schTypeVals {
			sch := new(spec.Schema)

			sch.Typed(val.Type, val.Format)
			parent := new(spec.Schema)
			parent.Properties = make(map[string]spec.Schema)
			parent.Properties["id"] = *spec.Int32Property()
			parent.AdditionalProperties = new(spec.SchemaOrBool)
			parent.AdditionalProperties.Schema = new(spec.Schema).CollectionOf(*sch)

			rt, err := resolver.ResolveSchema(parent, true, true)
			if assert.NoError(t, err) {
				assert.True(t, rt.IsComplexObject)
				assert.False(t, rt.IsMap)
				assert.Equal(t, "map[string][]"+val.Expected, rt.GoType)
				assert.Equal(t, "object", rt.SwaggerType)
			}
		}

		// refs as additional properties
		for _, val := range schRefVals {
			sch := new(spec.Schema)
			sch.Ref, _ = spec.NewRef("#/definitions/" + val.Type)
			parent := new(spec.Schema)
			parent.Properties = make(map[string]spec.Schema)
			parent.Properties["id"] = *spec.Int32Property()
			parent.AdditionalProperties = new(spec.SchemaOrBool)
			parent.AdditionalProperties.Schema = sch

			rt, err := resolver.ResolveSchema(parent, true, true)
			if assert.NoError(t, err) {
				assert.True(t, rt.IsComplexObject)
				assert.False(t, rt.IsMap)
				assert.Equal(t, "map[string]"+val.Expected, rt.GoType)
				assert.Equal(t, "object", rt.SwaggerType)
			}
		}

	}
}