df <- c("fig/fig1.png", "fig/fig2.png")
df <- df |> rtf_read_figure()

df1 <- df |> rtf_figure() # to test default values

# to check multiple values
df2 <- df |> rtf_figure(fig_width = c(4.5, 6.2), fig_height = c(5.5, 6.1))

test_that("figure width and height attributes", {
  # check default values
  expect_true(is.matrix(attr(df1, "fig_width")))
  expect_true(is.matrix(attr(df1, "fig_height")))
  expect_equal(attr(df1, "fig_width"), matrix(c(5, 5), nrow = 2, ncol = 1))
  expect_equal(attr(df1, "fig_height"), matrix(c(5, 5), nrow = 2, ncol = 1))


  # check with non-default values
  expect_equal(attr(df2, "fig_width"), matrix(c(4.5, 6.2), nrow = 2, ncol = 1))
  expect_equal(attr(df2, "fig_height"), matrix(c(5.5, 6.1), nrow = 2, ncol = 1))
  expect_error(df |> rtf_figure(fig_width = c(-4, 6.2)))
  expect_error(df |> rtf_figure(fig_height = c(-4, -6)))
})