// Test configuring font properties.

---
// Set same font size in three different ways.
[#font(22pt) A]
[#font(200%) A]
[#font(size: 16.5pt + 50%) A]

// Do nothing.
[#font() Normal]

// Set style (is available).
[#font(style: italic) Italic]

// Set weight (is available).
[#font(weight: bold) Bold]

// Set stretch (not available, matching closest).
[#font(stretch: 50%) Condensed]

// Set family.
[#font(family: "PT Sans") Sans serif]

// Emoji.
Emoji: 🐪, 🌋, 🏞

// Math.
[#font("Latin Modern Math") ∫ 𝛼 + 3𝛽 d𝑡]

// Colors.
[
  #font(fill: eastern)
  This is [#font(fill: rgb("FA644B")) way more] colorful.
]

// Disable font fallback beyond the user-specified list.
// Without disabling, Latin Modern Math would come to the rescue.
#font("PT Sans", "Twitter Color Emoji", fallback: false)
2π = 𝛼 + 𝛽. ✅

---
// Test class definitions.
#font(sans-serif: "PT Sans")
[#font(family: sans-serif) Sans-serif.] \
[#font(monospace) Monospace.] \
[#font(monospace, monospace: ("Nope", "Latin Modern Math")) Math.]

---
// Test top and bottom edge.

#page(width: 170pt)
#let try(top, bottom) = rect(fill: conifer)[
  #font(top-edge: top, bottom-edge: bottom)
  `From `#top` to `#bottom
]

#try(ascender, descender)
#try(ascender, baseline)
#try(cap-height, baseline)
#try(x-height, baseline)

---
// Error: 7-12 unexpected argument
#font(false)

---
// Error: 14-18 expected font style, found font weight
#font(style: bold, weight: "thin")

---
// Error: 14-15 expected string or array of strings, found integer
#font(serif: 0)

---
// Error: 19-23 unexpected argument
#font(size: 10pt, 12pt)

---
// Error: 28-35 unexpected argument
#font(family: "Helvetica", "Arial")

---
// Error: 7-27 unexpected argument
#font(something: "invalid")