Add test for undefined types in source file.

Author: cweill

gotests_test.go

@@ -2086,6 +2086,38 @@ func TestNot(t *testing.T) {
 		}
 	}
 }
+`,
+		}, {
+			name:    "Undefined types",
+			srcPath: `testdata/undefinedtypes/undefined.go`,
+			want: `package undefinedtypes
+
+import (
+	"reflect"
+	"testing"
+)
+
+func TestUndefinedDo(t *testing.T) {
+	tests := []struct {
+		name    string
+		u       *Undefined
+		es      Something
+		want    *Unknown
+		wantErr bool
+	}{
+	// TODO: Add test cases.
+	}
+	for _, tt := range tests {
+		got, err := tt.u.Do(tt.es)
+		if (err != nil) != tt.wantErr {
+			t.Errorf("%q. Undefined.Do() error = %v, wantErr %v", tt.name, err, tt.wantErr)
+			continue
+		}
+		if !reflect.DeepEqual(got, tt.want) {
+			t.Errorf("%q. Undefined.Do() = %v, want %v", tt.name, got, tt.want)
+		}
+	}
+}
 `,
 		},
 	}

testdata/undefinedtypes/undefined.go

@@ -0,0 +1,5 @@
+package undefinedtypes
+
+func (u *Undefined) Do(es Something) (*Unknown, error) {
+	return nil, nil
+}