Function TestDecodeError_Position

errors_test.go:236–287

(t *testing.T)

}

func TestDecodeError_Position(t *testing.T) {
	// Test that error positions are correctly reported for various error locations
	examples := []struct {
		name        string
		doc         string
		expectedRow int
		minCol      int
	}{
		{
			name:        "error on first line",
			doc:         `a = 1__2`,
			expectedRow: 1,
			minCol:      5,
		},
		{
			name:        "error on second line",
			doc:         "a = 1\nb = 2__3",
			expectedRow: 2,
			minCol:      5,
		},
		{
			name:        "error on third line",
			doc:         "a = 1\nb = 2\nc = 3__4",
			expectedRow: 3,
			minCol:      5,
		},
		{
			name:        "missing equals on last line without trailing newline",
			doc:         "a = 1\nb = 2\nc",
			expectedRow: 3,
			minCol:      1,
		},
	}

	for _, e := range examples {
		t.Run(e.name, func(t *testing.T) {
			var v map[string]int
			err := Unmarshal([]byte(e.doc), &v)

			var derr *DecodeError
			if !errors.As(err, &derr) {
				t.Fatal("error not in expected format")
			}

			row, col := derr.Position()
			assert.Equal(t, e.expectedRow, row)
			if col < e.minCol {
				t.Errorf("expected column >= %d, got %d", e.minCol, col)
			}
		})
	}
}

func TestStrictErrorUnwrap(t *testing.T) {
	fo := bytes.NewBufferString(`